/*
* Multiple format streaming server
- * Copyright (c) 2000 Gerard Lantau.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This file is part of FFmpeg.
*
- * This program is distributed in the hope that it will be useful,
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
+
+#include "config.h"
+#ifndef HAVE_CLOSESOCKET
+#define closesocket close
+#endif
#include <string.h>
-#include <netinet/in.h>
-#include <linux/videodev.h>
-#include <linux/soundcard.h>
+#include <stdlib.h>
+#include "avformat.h"
+#include "rtsp.h"
+#include "rtp.h"
+#include "os_support.h"
+
+#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
-#include <sys/mman.h>
+#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
+#endif
#include <errno.h>
#include <sys/time.h>
-#include <getopt.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <ctype.h>
-#include <pthread.h>
+#undef time //needed because HAVE_AV_CONFIG_H is defined on top
+#include <time.h>
+#include <sys/wait.h>
+#include <signal.h>
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include "network.h"
+#include "version.h"
+#include "ffserver.h"
+#include "random.h"
+#include "avstring.h"
+#include "cmdutils.h"
-#include "mpegenc.h"
+#undef exit
+
+static const char program_name[] = "FFserver";
+static const int program_birth_year = 2000;
/* maximum number of simultaneous HTTP connections */
#define HTTP_MAX_CONNECTIONS 2000
HTTPSTATE_WAIT_REQUEST,
HTTPSTATE_SEND_HEADER,
HTTPSTATE_SEND_DATA_HEADER,
- HTTPSTATE_SEND_DATA,
+ HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
HTTPSTATE_SEND_DATA_TRAILER,
+ HTTPSTATE_RECEIVE_DATA,
+ HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
+ HTTPSTATE_READY,
+
+ RTSPSTATE_WAIT_REQUEST,
+ RTSPSTATE_SEND_REPLY,
+ RTSPSTATE_SEND_PACKET,
};
-enum MasterState {
- MASTERSTATE_RECEIVE_HEADER,
- MASTERSTATE_RECEIVE_DATA,
+const char *http_state[] = {
+ "HTTP_WAIT_REQUEST",
+ "HTTP_SEND_HEADER",
+
+ "SEND_DATA_HEADER",
+ "SEND_DATA",
+ "SEND_DATA_TRAILER",
+ "RECEIVE_DATA",
+ "WAIT_FEED",
+ "READY",
+
+ "RTSP_WAIT_REQUEST",
+ "RTSP_SEND_REPLY",
+ "RTSP_SEND_PACKET",
};
-
-#define IOBUFFER_MAX_SIZE 16384
-#define FIFO_MAX_SIZE (1024*1024)
-/* coef for exponential mean for bitrate estimation in statistics */
-#define AVG_COEF 0.9
+#define IOBUFFER_INIT_SIZE 8192
/* timeouts are in ms */
-#define REQUEST_TIMEOUT (15 * 1000)
+#define HTTP_REQUEST_TIMEOUT (15 * 1000)
+#define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
+
#define SYNC_TIMEOUT (10 * 1000)
-#define MASTER_CONNECT_TIMEOUT (10 * 1000)
+typedef struct {
+ int64_t count1, count2;
+ int64_t time1, time2;
+} DataRateData;
+
+/* context associated with one connection */
typedef struct HTTPContext {
enum HTTPState state;
int fd; /* socket file descriptor */
struct sockaddr_in from_addr; /* origin */
struct pollfd *poll_entry; /* used when polling */
- long timeout;
- UINT8 buffer[IOBUFFER_MAX_SIZE];
- UINT8 *buffer_ptr, *buffer_end;
+ int64_t timeout;
+ uint8_t *buffer_ptr, *buffer_end;
int http_error;
+ int post;
struct HTTPContext *next;
- UINT8 *rptr; /* read pointer in the fifo */
- int got_key_frame[2]; /* for each type */
- long long data_count;
- long long last_http_fifo_write_count; /* used to monitor overflow in the fifo */
- /* format handling */
+ int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
+ int64_t data_count;
+ /* feed input */
+ int feed_fd;
+ /* input format handling */
+ AVFormatContext *fmt_in;
+ int64_t start_time; /* In milliseconds - this wraps fairly often */
+ int64_t first_pts; /* initial pts value */
+ int64_t cur_pts; /* current pts value from the stream in us */
+ int64_t cur_frame_duration; /* duration of the current frame in us */
+ int cur_frame_bytes; /* output frame size, needed to compute
+ the time at which we send each
+ packet */
+ int pts_stream_index; /* stream we choose as clock reference */
+ int64_t cur_clock; /* current clock reference value in us */
+ /* output format handling */
struct FFStream *stream;
- AVFormatContext fmt_ctx;
+ /* -1 is invalid stream */
+ int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
+ int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
+ int switch_pending;
+ AVFormatContext fmt_ctx; /* instance of FFStream for one user */
int last_packet_sent; /* true if last data packet was sent */
+ int suppress_log;
+ DataRateData datarate;
+ int wmp_client_id;
+ char protocol[16];
+ char method[16];
+ char url[128];
+ int buffer_size;
+ uint8_t *buffer;
+ int is_packetized; /* if true, the stream is packetized */
+ int packet_stream_index; /* current stream for output in state machine */
+
+ /* RTSP state specific */
+ uint8_t *pb_buffer; /* XXX: use that in all the code */
+ ByteIOContext *pb;
+ int seq; /* RTSP sequence number */
+
+ /* RTP state specific */
+ enum RTSPProtocol rtp_protocol;
+ char session_id[32]; /* session id */
+ AVFormatContext *rtp_ctx[MAX_STREAMS];
+
+ /* RTP/UDP specific */
+ URLContext *rtp_handles[MAX_STREAMS];
+
+ /* RTP/TCP specific */
+ struct HTTPContext *rtsp_c;
+ uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
} HTTPContext;
+static AVFrame dummy_frame;
+
/* each generated stream is described here */
enum StreamType {
STREAM_TYPE_LIVE,
- STREAM_TYPE_MASTER,
STREAM_TYPE_STATUS,
+ STREAM_TYPE_REDIRECT,
+};
+
+enum IPAddressAction {
+ IP_ALLOW = 1,
+ IP_DENY,
};
+typedef struct IPAddressACL {
+ struct IPAddressACL *next;
+ enum IPAddressAction action;
+ /* These are in host order */
+ struct in_addr first;
+ struct in_addr last;
+} IPAddressACL;
+
+/* description of each stream of the ffserver.conf file */
typedef struct FFStream {
enum StreamType stream_type;
- char filename[1024];
- AVFormat *fmt;
- AVEncodeContext *audio_enc;
- AVEncodeContext *video_enc;
+ char filename[1024]; /* stream filename */
+ struct FFStream *feed; /* feed we are using (can be null if
+ coming from file) */
+ AVFormatParameters *ap_in; /* input parameters */
+ AVInputFormat *ifmt; /* if non NULL, force input format */
+ AVOutputFormat *fmt;
+ IPAddressACL *acl;
+ int nb_streams;
+ int prebuffer; /* Number of millseconds early to start */
+ int64_t max_time; /* Number of milliseconds to run */
+ int send_on_key;
+ AVStream *streams[MAX_STREAMS];
+ int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
+ char feed_filename[1024]; /* file name of the feed storage, or
+ input file name for a stream */
+ char author[512];
+ char title[512];
+ char copyright[512];
+ char comment[512];
+ pid_t pid; /* Of ffmpeg process */
+ time_t pid_start; /* Of ffmpeg process */
+ char **child_argv;
struct FFStream *next;
-} FFStream;
+ int bandwidth; /* bandwidth, in kbits/s */
+ /* RTSP options */
+ char *rtsp_option;
+ /* multicast specific */
+ int is_multicast;
+ struct in_addr multicast_ip;
+ int multicast_port; /* first port used for multicast */
+ int multicast_ttl;
+ int loop; /* if true, send the stream in loops (only meaningful if file) */
-typedef struct FifoBuffer {
- UINT8 *buffer;
- UINT8 *rptr, *wptr, *end;
-} FifoBuffer;
+ /* feed specific */
+ int feed_opened; /* true if someone is writing to the feed */
+ int is_feed; /* true if it is a feed */
+ int readonly; /* True if writing is prohibited to the file */
+ int conns_served;
+ int64_t bytes_served;
+ int64_t feed_max_size; /* maximum storage size, zero means unlimited */
+ int64_t feed_write_index; /* current write position in feed (it wraps round) */
+ int64_t feed_size; /* current size of feed */
+ struct FFStream *next_feed;
+} FFStream;
-/* each codec is here */
-typedef struct FFCodec {
- struct FFCodec *next;
- FifoBuffer fifo; /* for compression: one audio fifo per codec */
- ReSampleContext resample; /* for audio resampling */
+typedef struct FeedData {
long long data_count;
float avg_frame_size; /* frame size averraged over last frames with exponential mean */
- AVEncodeContext enc;
-} FFCodec;
+} FeedData;
-/* packet header */
-typedef struct {
- UINT8 codec_type;
- UINT8 codec_id;
- UINT8 data[4];
- UINT16 bit_rate;
- UINT16 payload_size;
-} PacketHeader;
-
-struct sockaddr_in my_addr;
-char logfilename[1024];
-HTTPContext *first_http_ctx;
-FFStream *first_stream;
-FFCodec *first_codec;
-
-/* master state */
-char master_url[1024];
-enum MasterState master_state;
-UINT8 *master_wptr;
-int master_count;
-
-long long http_fifo_write_count;
-static FifoBuffer http_fifo;
-
-static int handle_http(HTTPContext *c, long cur_time);
+static struct sockaddr_in my_http_addr;
+static struct sockaddr_in my_rtsp_addr;
+
+static char logfilename[1024];
+static HTTPContext *first_http_ctx;
+static FFStream *first_feed; /* contains only feeds */
+static FFStream *first_stream; /* contains all streams, including feeds */
+
+static void new_connection(int server_fd, int is_rtsp);
+static void close_connection(HTTPContext *c);
+
+/* HTTP handling */
+static int handle_connection(HTTPContext *c);
static int http_parse_request(HTTPContext *c);
static int http_send_data(HTTPContext *c);
-static int master_receive(int fd);
static void compute_stats(HTTPContext *c);
+static int open_input_stream(HTTPContext *c, const char *info);
+static int http_start_receive_data(HTTPContext *c);
+static int http_receive_data(HTTPContext *c);
+
+/* RTSP handling */
+static int rtsp_parse_request(HTTPContext *c);
+static void rtsp_cmd_describe(HTTPContext *c, const char *url);
+static void rtsp_cmd_options(HTTPContext *c, const char *url);
+static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
+
+/* SDP handling */
+static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
+ struct in_addr my_ip);
-int nb_max_connections;
-int nb_connections;
+/* RTP handling */
+static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
+ FFStream *stream, const char *session_id,
+ enum RTSPProtocol rtp_protocol);
+static int rtp_new_av_stream(HTTPContext *c,
+ int stream_index, struct sockaddr_in *dest_addr,
+ HTTPContext *rtsp_c);
-/* fifo handling */
-int fifo_init(FifoBuffer *f, int size)
+static const char *my_program_name;
+static const char *my_program_dir;
+
+static int ffserver_debug;
+static int ffserver_daemon;
+static int no_launch;
+static int need_to_start_children;
+
+static int nb_max_connections;
+static int nb_connections;
+
+static int max_bandwidth;
+static int current_bandwidth;
+
+static int64_t cur_time; // Making this global saves on passing it around everywhere
+
+static AVRandomState random_state;
+
+static FILE *logfile = NULL;
+
+static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
{
- f->buffer = malloc(size);
- if (!f->buffer)
- return -1;
- f->end = f->buffer + size;
- f->wptr = f->rptr = f->buffer;
- return 0;
+ va_list ap;
+ va_start(ap, fmt);
+
+ if (logfile) {
+ vfprintf(logfile, fmt, ap);
+ fflush(logfile);
+ }
+ va_end(ap);
}
-static int fifo_size(FifoBuffer *f, UINT8 *rptr)
+static char *ctime1(char *buf2)
{
- int size;
+ time_t ti;
+ char *p;
- if (f->wptr >= rptr) {
- size = f->wptr - rptr;
- } else {
- size = (f->end - rptr) + (f->wptr - f->buffer);
- }
- return size;
+ ti = time(NULL);
+ p = ctime(&ti);
+ strcpy(buf2, p);
+ p = buf2 + strlen(p) - 1;
+ if (*p == '\n')
+ *p = '\0';
+ return buf2;
}
-/* get data from the fifo (return -1 if not enough data) */
-static int fifo_read(FifoBuffer *f, UINT8 *buf, int buf_size, UINT8 **rptr_ptr)
+static void log_connection(HTTPContext *c)
{
- UINT8 *rptr = *rptr_ptr;
- int size, len;
+ char buf2[32];
- if (f->wptr >= rptr) {
- size = f->wptr - rptr;
- } else {
- size = (f->end - rptr) + (f->wptr - f->buffer);
- }
-
- if (size < buf_size)
- return -1;
- while (buf_size > 0) {
- len = f->end - rptr;
- if (len > buf_size)
- len = buf_size;
- memcpy(buf, rptr, len);
- buf += len;
- rptr += len;
- if (rptr >= f->end)
- rptr = f->buffer;
- buf_size -= len;
- }
- *rptr_ptr = rptr;
- return 0;
+ if (c->suppress_log)
+ return;
+
+ http_log("%s - - [%s] \"%s %s %s\" %d %"PRId64"\n",
+ inet_ntoa(c->from_addr.sin_addr),
+ ctime1(buf2), c->method, c->url,
+ c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
}
-static void fifo_write(FifoBuffer *f, UINT8 *buf, int size, UINT8 **wptr_ptr)
+static void update_datarate(DataRateData *drd, int64_t count)
{
- int len;
- UINT8 *wptr;
- wptr = *wptr_ptr;
- while (size > 0) {
- len = f->end - wptr;
- if (len > size)
- len = size;
- memcpy(wptr, buf, len);
- wptr += len;
- if (wptr >= f->end)
- wptr = f->buffer;
- buf += len;
- size -= len;
- }
- *wptr_ptr = wptr;
+ if (!drd->time1 && !drd->count1) {
+ drd->time1 = drd->time2 = cur_time;
+ drd->count1 = drd->count2 = count;
+ } else if (cur_time - drd->time2 > 5000) {
+ drd->time1 = drd->time2;
+ drd->count1 = drd->count2;
+ drd->time2 = cur_time;
+ drd->count2 = count;
+ }
}
-static long gettime_ms(void)
+/* In bytes per second */
+static int compute_datarate(DataRateData *drd, int64_t count)
{
- struct timeval tv;
+ if (cur_time == drd->time1)
+ return 0;
- gettimeofday(&tv,NULL);
- return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
+ return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
}
-static FILE *logfile = NULL;
-static void http_log(char *fmt, ...)
+static void start_children(FFStream *feed)
{
- va_list ap;
- va_start(ap, fmt);
-
- if (logfile)
- vfprintf(logfile, fmt, ap);
- va_end(ap);
-}
+ if (no_launch)
+ return;
+ for (; feed; feed = feed->next) {
+ if (feed->child_argv && !feed->pid) {
+ feed->pid_start = time(0);
-/* connect to url 'url' and return the connected socket ready to read data */
-static int url_get(const char *url)
-{
- struct sockaddr_in dest_addr;
- struct hostent *h;
- int s, port, size, line_size, len;
- char hostname[1024], *q;
- const char *p, *path;
- char req[1024];
- unsigned char ch;
-
- if (!strstart(url, "http://", &p))
- return -1;
- q = hostname;
- while (*p != ':' && *p != '\0' && *p != '/') {
- if ((q - hostname) < (sizeof(hostname) - 1))
- *q++ = *p;
- p++;
- }
- port = 80;
- if (*p == ':') {
- p++;
- port = strtol(p, (char **)&p, 10);
- }
- path = p;
-
- dest_addr.sin_family = AF_INET;
- dest_addr.sin_port = htons(port);
+ feed->pid = fork();
- if (!inet_aton(hostname, &dest_addr.sin_addr)) {
- if ((h = gethostbyname(hostname)) == NULL)
- return -1;
- memcpy(&dest_addr.sin_addr, h->h_addr, sizeof(dest_addr.sin_addr));
- }
+ if (feed->pid < 0) {
+ fprintf(stderr, "Unable to create children\n");
+ exit(1);
+ }
+ if (!feed->pid) {
+ /* In child */
+ char pathname[1024];
+ char *slash;
+ int i;
- s=socket(AF_INET, SOCK_STREAM, 0);
- if (s < 0)
- return -1;
+ for (i = 3; i < 256; i++)
+ close(i);
- if (connect(s, (struct sockaddr *)&dest_addr, sizeof(dest_addr)) < 0) {
- fail:
- close(s);
- return -1;
- }
-
- /* send http request */
- snprintf(req, sizeof(req), "GET %s HTTP/1.0\r\n\r\n", path);
- p = req;
- size = strlen(req);
- while (size > 0) {
- len = write(s, p, size);
- if (len == -1) {
- if (errno != EAGAIN && errno != EINTR)
- goto fail;
- } else {
- size -= len;
- p += len;
- }
- }
-
- /* receive answer */
- line_size = 0;
- for(;;) {
- len = read(s, &ch, 1);
- if (len == -1) {
- if (errno != EAGAIN && errno != EINTR)
- goto fail;
- } else if (len == 0) {
- goto fail;
- } else {
- if (ch == '\n') {
- if (line_size == 0)
- break;
- line_size = 0;
- } else if (ch != '\r') {
- line_size++;
+ if (!ffserver_debug) {
+ i = open("/dev/null", O_RDWR);
+ if (i)
+ dup2(i, 0);
+ dup2(i, 1);
+ dup2(i, 2);
+ if (i)
+ close(i);
+ }
+
+ av_strlcpy(pathname, my_program_name, sizeof(pathname));
+
+ slash = strrchr(pathname, '/');
+ if (!slash)
+ slash = pathname;
+ else
+ slash++;
+ strcpy(slash, "ffmpeg");
+
+ /* This is needed to make relative pathnames work */
+ chdir(my_program_dir);
+
+ signal(SIGPIPE, SIG_DFL);
+
+ execvp(pathname, feed->child_argv);
+
+ _exit(1);
}
}
}
-
- return s;
}
-/* Each request is served by reading the input FIFO and by adding the
- right format headers */
-static int http_server(struct sockaddr_in my_addr)
+/* open a listening socket */
+static int socket_open_listen(struct sockaddr_in *my_addr)
{
- int server_fd, tmp, ret;
- struct sockaddr_in from_addr;
- struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 1], *poll_entry;
- HTTPContext *c, **cp;
- long cur_time;
- int master_fd, master_timeout;
-
- /* will try to connect to master as soon as possible */
- master_fd = -1;
- master_timeout = gettime_ms();
+ int server_fd, tmp;
server_fd = socket(AF_INET,SOCK_STREAM,0);
if (server_fd < 0) {
perror ("socket");
return -1;
}
-
+
tmp = 1;
setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
- if (bind (server_fd, (struct sockaddr *) &my_addr, sizeof (my_addr)) < 0) {
- perror ("bind");
- close(server_fd);
+ if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
+ char bindmsg[32];
+ snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
+ perror (bindmsg);
+ closesocket(server_fd);
return -1;
}
-
+
if (listen (server_fd, 5) < 0) {
perror ("listen");
- close(server_fd);
+ closesocket(server_fd);
return -1;
}
+ ff_socket_nonblock(server_fd, 1);
+
+ return server_fd;
+}
+
+/* start all multicast streams */
+static void start_multicast(void)
+{
+ FFStream *stream;
+ char session_id[32];
+ HTTPContext *rtp_c;
+ struct sockaddr_in dest_addr;
+ int default_port, stream_index;
+
+ default_port = 6000;
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ if (stream->is_multicast) {
+ /* open the RTP connection */
+ snprintf(session_id, sizeof(session_id), "%08x%08x",
+ av_random(&random_state), av_random(&random_state));
+
+ /* choose a port if none given */
+ if (stream->multicast_port == 0) {
+ stream->multicast_port = default_port;
+ default_port += 100;
+ }
+
+ dest_addr.sin_family = AF_INET;
+ dest_addr.sin_addr = stream->multicast_ip;
+ dest_addr.sin_port = htons(stream->multicast_port);
+
+ rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
+ RTSP_PROTOCOL_RTP_UDP_MULTICAST);
+ if (!rtp_c)
+ continue;
+
+ if (open_input_stream(rtp_c, "") < 0) {
+ fprintf(stderr, "Could not open input stream for stream '%s'\n",
+ stream->filename);
+ continue;
+ }
+
+ /* open each RTP stream */
+ for(stream_index = 0; stream_index < stream->nb_streams;
+ stream_index++) {
+ dest_addr.sin_port = htons(stream->multicast_port +
+ 2 * stream_index);
+ if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
+ fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
+ stream->filename, stream_index);
+ exit(1);
+ }
+ }
+
+ /* change state to send data */
+ rtp_c->state = HTTPSTATE_SEND_DATA;
+ }
+ }
+}
+
+/* main loop of the http server */
+static int http_server(void)
+{
+ int server_fd, ret, rtsp_server_fd, delay, delay1;
+ struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
+ HTTPContext *c, *c_next;
+
+ server_fd = socket_open_listen(&my_http_addr);
+ if (server_fd < 0)
+ return -1;
+
+ rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
+ if (rtsp_server_fd < 0)
+ return -1;
http_log("ffserver started.\n");
- fcntl(server_fd, F_SETFL, O_NONBLOCK);
+ start_children(first_feed);
+
first_http_ctx = NULL;
nb_connections = 0;
- first_http_ctx = NULL;
+
+ start_multicast();
+
for(;;) {
poll_entry = poll_table;
poll_entry->fd = server_fd;
poll_entry->events = POLLIN;
poll_entry++;
- if (master_fd >= 0) {
- poll_entry->fd = master_fd;
- poll_entry->events = POLLIN;
- poll_entry++;
- }
+ poll_entry->fd = rtsp_server_fd;
+ poll_entry->events = POLLIN;
+ poll_entry++;
/* wait for events on each HTTP handle */
c = first_http_ctx;
+ delay = 1000;
while (c != NULL) {
int fd;
fd = c->fd;
switch(c->state) {
- case HTTPSTATE_WAIT_REQUEST:
+ case HTTPSTATE_SEND_HEADER:
+ case RTSPSTATE_SEND_REPLY:
+ case RTSPSTATE_SEND_PACKET:
c->poll_entry = poll_entry;
poll_entry->fd = fd;
- poll_entry->events = POLLIN;
+ poll_entry->events = POLLOUT;
poll_entry++;
break;
- case HTTPSTATE_SEND_HEADER:
case HTTPSTATE_SEND_DATA_HEADER:
case HTTPSTATE_SEND_DATA:
case HTTPSTATE_SEND_DATA_TRAILER:
+ if (!c->is_packetized) {
+ /* for TCP, we output as much as we can (may need to put a limit) */
+ c->poll_entry = poll_entry;
+ poll_entry->fd = fd;
+ poll_entry->events = POLLOUT;
+ poll_entry++;
+ } else {
+ /* when ffserver is doing the timing, we work by
+ looking at which packet need to be sent every
+ 10 ms */
+ delay1 = 10; /* one tick wait XXX: 10 ms assumed */
+ if (delay1 < delay)
+ delay = delay1;
+ }
+ break;
+ case HTTPSTATE_WAIT_REQUEST:
+ case HTTPSTATE_RECEIVE_DATA:
+ case HTTPSTATE_WAIT_FEED:
+ case RTSPSTATE_WAIT_REQUEST:
+ /* need to catch errors */
c->poll_entry = poll_entry;
poll_entry->fd = fd;
- poll_entry->events = POLLOUT;
+ poll_entry->events = POLLIN;/* Maybe this will work */
poll_entry++;
break;
default:
/* wait for an event on one connection. We poll at least every
second to handle timeouts */
do {
- ret = poll(poll_table, poll_entry - poll_table, 1000);
- } while (ret == -1);
-
- cur_time = gettime_ms();
+ ret = poll(poll_table, poll_entry - poll_table, delay);
+ if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR))
+ return -1;
+ } while (ret < 0);
- /* now handle the events */
+ cur_time = av_gettime() / 1000;
+
+ if (need_to_start_children) {
+ need_to_start_children = 0;
+ start_children(first_feed);
+ }
- cp = &first_http_ctx;
- while ((*cp) != NULL) {
- c = *cp;
- if (handle_http (c, cur_time) < 0) {
+ /* now handle the events */
+ for(c = first_http_ctx; c != NULL; c = c_next) {
+ c_next = c->next;
+ if (handle_connection(c) < 0) {
/* close and free the connection */
- close(c->fd);
- *cp = c->next;
- free(c);
- nb_connections--;
- } else {
- cp = &c->next;
+ log_connection(c);
+ close_connection(c);
}
}
- /* new connection request ? */
poll_entry = poll_table;
- if (poll_entry->revents & POLLIN) {
- int fd, len;
-
- len = sizeof(from_addr);
- fd = accept(server_fd, &from_addr, &len);
- if (fd >= 0) {
- fcntl(fd, F_SETFL, O_NONBLOCK);
- /* XXX: should output a warning page when comming
- close to the connection limit */
- if (nb_connections >= nb_max_connections) {
- close(fd);
- } else {
- /* add a new connection */
- c = malloc(sizeof(HTTPContext));
- memset(c, 0, sizeof(*c));
- c->next = first_http_ctx;
- first_http_ctx = c;
- c->fd = fd;
- c->poll_entry = NULL;
- c->from_addr = from_addr;
- c->state = HTTPSTATE_WAIT_REQUEST;
- c->buffer_ptr = c->buffer;
- c->buffer_end = c->buffer + IOBUFFER_MAX_SIZE;
- c->timeout = cur_time + REQUEST_TIMEOUT;
- nb_connections++;
- }
- }
- }
+ /* new HTTP connection request ? */
+ if (poll_entry->revents & POLLIN)
+ new_connection(server_fd, 0);
poll_entry++;
+ /* new RTSP connection request ? */
+ if (poll_entry->revents & POLLIN)
+ new_connection(rtsp_server_fd, 1);
+ }
+}
- /* master events */
- if (poll_entry->revents & POLLIN) {
- if (master_receive(master_fd) < 0) {
- close(master_fd);
- master_fd = -1;
- }
+/* start waiting for a new HTTP/RTSP request */
+static void start_wait_request(HTTPContext *c, int is_rtsp)
+{
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
+
+ if (is_rtsp) {
+ c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
+ c->state = RTSPSTATE_WAIT_REQUEST;
+ } else {
+ c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
+ c->state = HTTPSTATE_WAIT_REQUEST;
+ }
+}
+
+static void new_connection(int server_fd, int is_rtsp)
+{
+ struct sockaddr_in from_addr;
+ int fd, len;
+ HTTPContext *c = NULL;
+
+ len = sizeof(from_addr);
+ fd = accept(server_fd, (struct sockaddr *)&from_addr,
+ &len);
+ if (fd < 0)
+ return;
+ ff_socket_nonblock(fd, 1);
+
+ /* XXX: should output a warning page when coming
+ close to the connection limit */
+ if (nb_connections >= nb_max_connections)
+ goto fail;
+
+ /* add a new connection */
+ c = av_mallocz(sizeof(HTTPContext));
+ if (!c)
+ goto fail;
+
+ c->fd = fd;
+ c->poll_entry = NULL;
+ c->from_addr = from_addr;
+ c->buffer_size = IOBUFFER_INIT_SIZE;
+ c->buffer = av_malloc(c->buffer_size);
+ if (!c->buffer)
+ goto fail;
+
+ c->next = first_http_ctx;
+ first_http_ctx = c;
+ nb_connections++;
+
+ start_wait_request(c, is_rtsp);
+
+ return;
+
+ fail:
+ if (c) {
+ av_free(c->buffer);
+ av_free(c);
+ }
+ closesocket(fd);
+}
+
+static void close_connection(HTTPContext *c)
+{
+ HTTPContext **cp, *c1;
+ int i, nb_streams;
+ AVFormatContext *ctx;
+ URLContext *h;
+ AVStream *st;
+
+ /* remove connection from list */
+ cp = &first_http_ctx;
+ while ((*cp) != NULL) {
+ c1 = *cp;
+ if (c1 == c)
+ *cp = c->next;
+ else
+ cp = &c1->next;
+ }
+
+ /* remove references, if any (XXX: do it faster) */
+ for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
+ if (c1->rtsp_c == c)
+ c1->rtsp_c = NULL;
+ }
+
+ /* remove connection associated resources */
+ if (c->fd >= 0)
+ closesocket(c->fd);
+ if (c->fmt_in) {
+ /* close each frame parser */
+ for(i=0;i<c->fmt_in->nb_streams;i++) {
+ st = c->fmt_in->streams[i];
+ if (st->codec->codec)
+ avcodec_close(st->codec);
}
+ av_close_input_file(c->fmt_in);
+ }
- /* master (re)connection handling */
- if (master_url[0] != '\0' &&
- master_fd < 0 && (master_timeout - cur_time) <= 0) {
- master_fd = url_get(master_url);
- if (master_fd < 0) {
- master_timeout = gettime_ms() + MASTER_CONNECT_TIMEOUT;
- http_log("Connection to master: '%s' failed\n", master_url);
- } else {
- fcntl(master_fd, F_SETFL, O_NONBLOCK);
- master_state = MASTERSTATE_RECEIVE_HEADER;
- master_count = sizeof(PacketHeader);
- master_wptr = http_fifo.wptr;
+ /* free RTP output streams if any */
+ nb_streams = 0;
+ if (c->stream)
+ nb_streams = c->stream->nb_streams;
+
+ for(i=0;i<nb_streams;i++) {
+ ctx = c->rtp_ctx[i];
+ if (ctx) {
+ av_write_trailer(ctx);
+ av_free(ctx);
+ }
+ h = c->rtp_handles[i];
+ if (h)
+ url_close(h);
+ }
+
+ ctx = &c->fmt_ctx;
+
+ if (!c->last_packet_sent) {
+ if (ctx->oformat) {
+ /* prepare header */
+ if (url_open_dyn_buf(&ctx->pb) >= 0) {
+ av_write_trailer(ctx);
+ url_close_dyn_buf(ctx->pb, &c->pb_buffer);
}
}
}
+
+ for(i=0; i<ctx->nb_streams; i++)
+ av_free(ctx->streams[i]);
+
+ if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
+ current_bandwidth -= c->stream->bandwidth;
+
+ /* signal that there is no feed if we are the feeder socket */
+ if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
+ c->stream->feed_opened = 0;
+ close(c->feed_fd);
+ }
+
+ av_freep(&c->pb_buffer);
+ av_freep(&c->packet_buffer);
+ av_free(c->buffer);
+ av_free(c);
+ nb_connections--;
}
-static int handle_http(HTTPContext *c, long cur_time)
+static int handle_connection(HTTPContext *c)
{
- int len;
-
+ int len, ret;
+
switch(c->state) {
case HTTPSTATE_WAIT_REQUEST:
+ case RTSPSTATE_WAIT_REQUEST:
/* timeout ? */
if ((c->timeout - cur_time) < 0)
return -1;
if (!(c->poll_entry->revents & POLLIN))
return 0;
/* read the data */
- len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ read_loop:
+ len = recv(c->fd, c->buffer_ptr, 1, 0);
if (len < 0) {
- if (errno != EAGAIN && errno != EINTR)
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR))
return -1;
} else if (len == 0) {
return -1;
} else {
- /* search for end of request. XXX: not fully correct since garbage could come after the end */
- UINT8 *ptr;
+ /* search for end of request. */
+ uint8_t *ptr;
c->buffer_ptr += len;
ptr = c->buffer_ptr;
if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
(ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
/* request found : parse it and reply */
- if (http_parse_request(c) < 0)
+ if (c->state == HTTPSTATE_WAIT_REQUEST) {
+ ret = http_parse_request(c);
+ } else {
+ ret = rtsp_parse_request(c);
+ }
+ if (ret < 0)
return -1;
} else if (ptr >= c->buffer_end) {
/* request too long: cannot do anything */
return -1;
- }
+ } else goto read_loop;
}
break;
if (c->poll_entry->revents & (POLLERR | POLLHUP))
return -1;
- /* no need to read if no events */
+ /* no need to write if no events */
if (!(c->poll_entry->revents & POLLOUT))
return 0;
- len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
if (len < 0) {
- if (errno != EAGAIN && errno != EINTR) {
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR)) {
/* error : close connection */
+ av_freep(&c->pb_buffer);
return -1;
}
} else {
c->buffer_ptr += len;
+ if (c->stream)
+ c->stream->bytes_served += len;
+ c->data_count += len;
if (c->buffer_ptr >= c->buffer_end) {
+ av_freep(&c->pb_buffer);
/* if error, exit */
if (c->http_error)
return -1;
- /* all the buffer was send : synchronize to the incoming stream */
+ /* all the buffer was sent : synchronize to the incoming stream */
c->state = HTTPSTATE_SEND_DATA_HEADER;
c->buffer_ptr = c->buffer_end = c->buffer;
}
case HTTPSTATE_SEND_DATA:
case HTTPSTATE_SEND_DATA_HEADER:
case HTTPSTATE_SEND_DATA_TRAILER:
+ /* for packetized output, we consider we can always write (the
+ input streams sets the speed). It may be better to verify
+ that we do not rely too much on the kernel queues */
+ if (!c->is_packetized) {
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+
+ /* no need to read if no events */
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ }
+ if (http_send_data(c) < 0)
+ return -1;
+ /* close connection if trailer sent */
+ if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
+ return -1;
+ break;
+ case HTTPSTATE_RECEIVE_DATA:
/* no need to read if no events */
if (c->poll_entry->revents & (POLLERR | POLLHUP))
return -1;
-
+ if (!(c->poll_entry->revents & POLLIN))
+ return 0;
+ if (http_receive_data(c) < 0)
+ return -1;
+ break;
+ case HTTPSTATE_WAIT_FEED:
+ /* no need to read if no events */
+ if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
+ return -1;
+
+ /* nothing to do, we'll be waken up by incoming feed packets */
+ break;
+
+ case RTSPSTATE_SEND_REPLY:
+ if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
+ av_freep(&c->pb_buffer);
+ return -1;
+ }
+ /* no need to write if no events */
if (!(c->poll_entry->revents & POLLOUT))
return 0;
- if (http_send_data(c) < 0)
+ len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR)) {
+ /* error : close connection */
+ av_freep(&c->pb_buffer);
+ return -1;
+ }
+ } else {
+ c->buffer_ptr += len;
+ c->data_count += len;
+ if (c->buffer_ptr >= c->buffer_end) {
+ /* all the buffer was sent : wait for a new request */
+ av_freep(&c->pb_buffer);
+ start_wait_request(c, 1);
+ }
+ }
+ break;
+ case RTSPSTATE_SEND_PACKET:
+ if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
+ av_freep(&c->packet_buffer);
return -1;
+ }
+ /* no need to write if no events */
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ len = send(c->fd, c->packet_buffer_ptr,
+ c->packet_buffer_end - c->packet_buffer_ptr, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR)) {
+ /* error : close connection */
+ av_freep(&c->packet_buffer);
+ return -1;
+ }
+ } else {
+ c->packet_buffer_ptr += len;
+ if (c->packet_buffer_ptr >= c->packet_buffer_end) {
+ /* all the buffer was sent : wait for a new request */
+ av_freep(&c->packet_buffer);
+ c->state = RTSPSTATE_WAIT_REQUEST;
+ }
+ }
+ break;
+ case HTTPSTATE_READY:
+ /* nothing to do */
break;
default:
return -1;
return 0;
}
-/* parse http request and prepare header */
-static int http_parse_request(HTTPContext *c)
+static int extract_rates(char *rates, int ratelen, const char *request)
{
const char *p;
- char cmd[32];
- char url[1024], *q;
- char protocol[32];
- char msg[1024];
- char *mime_type;
- FFStream *stream;
- p = c->buffer;
- q = cmd;
- while (!isspace(*p) && *p != '\0') {
- if ((q - cmd) < sizeof(cmd) - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
- if (strcmp(cmd, "GET"))
- return -1;
+ for (p = request; *p && *p != '\r' && *p != '\n'; ) {
+ if (strncasecmp(p, "Pragma:", 7) == 0) {
+ const char *q = p + 7;
+
+ while (*q && *q != '\n' && isspace(*q))
+ q++;
+
+ if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
+ int stream_no;
+ int rate_no;
+
+ q += 20;
+
+ memset(rates, 0xff, ratelen);
+
+ while (1) {
+ while (*q && *q != '\n' && *q != ':')
+ q++;
+
+ if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
+ break;
+
+ stream_no--;
+ if (stream_no < ratelen && stream_no >= 0)
+ rates[stream_no] = rate_no;
+
+ while (*q && *q != '\n' && !isspace(*q))
+ q++;
+ }
+
+ return 1;
+ }
+ }
+ p = strchr(p, '\n');
+ if (!p)
+ break;
- while (isspace(*p)) p++;
- q = url;
- while (!isspace(*p) && *p != '\0') {
- if ((q - url) < sizeof(url) - 1)
- *q++ = *p;
p++;
}
- *q = '\0';
- while (isspace(*p)) p++;
- q = protocol;
+ return 0;
+}
+
+static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
+{
+ int i;
+ int best_bitrate = 100000000;
+ int best = -1;
+
+ for (i = 0; i < feed->nb_streams; i++) {
+ AVCodecContext *feed_codec = feed->streams[i]->codec;
+
+ if (feed_codec->codec_id != codec->codec_id ||
+ feed_codec->sample_rate != codec->sample_rate ||
+ feed_codec->width != codec->width ||
+ feed_codec->height != codec->height)
+ continue;
+
+ /* Potential stream */
+
+ /* We want the fastest stream less than bit_rate, or the slowest
+ * faster than bit_rate
+ */
+
+ if (feed_codec->bit_rate <= bit_rate) {
+ if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
+ best_bitrate = feed_codec->bit_rate;
+ best = i;
+ }
+ } else {
+ if (feed_codec->bit_rate < best_bitrate) {
+ best_bitrate = feed_codec->bit_rate;
+ best = i;
+ }
+ }
+ }
+
+ return best;
+}
+
+static int modify_current_stream(HTTPContext *c, char *rates)
+{
+ int i;
+ FFStream *req = c->stream;
+ int action_required = 0;
+
+ /* Not much we can do for a feed */
+ if (!req->feed)
+ return 0;
+
+ for (i = 0; i < req->nb_streams; i++) {
+ AVCodecContext *codec = req->streams[i]->codec;
+
+ switch(rates[i]) {
+ case 0:
+ c->switch_feed_streams[i] = req->feed_streams[i];
+ break;
+ case 1:
+ c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
+ break;
+ case 2:
+ /* Wants off or slow */
+ c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
+#ifdef WANTS_OFF
+ /* This doesn't work well when it turns off the only stream! */
+ c->switch_feed_streams[i] = -2;
+ c->feed_streams[i] = -2;
+#endif
+ break;
+ }
+
+ if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
+ action_required = 1;
+ }
+
+ return action_required;
+}
+
+
+static void do_switch_stream(HTTPContext *c, int i)
+{
+ if (c->switch_feed_streams[i] >= 0) {
+#ifdef PHILIP
+ c->feed_streams[i] = c->switch_feed_streams[i];
+#endif
+
+ /* Now update the stream */
+ }
+ c->switch_feed_streams[i] = -1;
+}
+
+/* XXX: factorize in utils.c ? */
+/* XXX: take care with different space meaning */
+static void skip_spaces(const char **pp)
+{
+ const char *p;
+ p = *pp;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ *pp = p;
+}
+
+static void get_word(char *buf, int buf_size, const char **pp)
+{
+ const char *p;
+ char *q;
+
+ p = *pp;
+ skip_spaces(&p);
+ q = buf;
while (!isspace(*p) && *p != '\0') {
- if ((q - protocol) < sizeof(protocol) - 1)
+ if ((q - buf) < buf_size - 1)
*q++ = *p;
p++;
}
- *q = '\0';
+ if (buf_size > 0)
+ *q = '\0';
+ *pp = p;
+}
+
+static int validate_acl(FFStream *stream, HTTPContext *c)
+{
+ enum IPAddressAction last_action = IP_DENY;
+ IPAddressACL *acl;
+ struct in_addr *src = &c->from_addr.sin_addr;
+ unsigned long src_addr = src->s_addr;
+
+ for (acl = stream->acl; acl; acl = acl->next) {
+ if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
+ return (acl->action == IP_ALLOW) ? 1 : 0;
+ last_action = acl->action;
+ }
+
+ /* Nothing matched, so return not the last action */
+ return (last_action == IP_DENY) ? 1 : 0;
+}
+
+/* compute the real filename of a file by matching it without its
+ extensions to all the stream filenames */
+static void compute_real_filename(char *filename, int max_size)
+{
+ char file1[1024];
+ char file2[1024];
+ char *p;
+ FFStream *stream;
+
+ /* compute filename by matching without the file extensions */
+ av_strlcpy(file1, filename, sizeof(file1));
+ p = strrchr(file1, '.');
+ if (p)
+ *p = '\0';
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ av_strlcpy(file2, stream->filename, sizeof(file2));
+ p = strrchr(file2, '.');
+ if (p)
+ *p = '\0';
+ if (!strcmp(file1, file2)) {
+ av_strlcpy(filename, stream->filename, max_size);
+ break;
+ }
+ }
+}
+
+enum RedirType {
+ REDIR_NONE,
+ REDIR_ASX,
+ REDIR_RAM,
+ REDIR_ASF,
+ REDIR_RTSP,
+ REDIR_SDP,
+};
+
+/* parse http request and prepare header */
+static int http_parse_request(HTTPContext *c)
+{
+ char *p;
+ enum RedirType redir_type;
+ char cmd[32];
+ char info[1024], filename[1024];
+ char url[1024], *q;
+ char protocol[32];
+ char msg[1024];
+ const char *mime_type;
+ FFStream *stream;
+ int i;
+ char ratebuf[32];
+ char *useragent = 0;
+
+ p = c->buffer;
+ get_word(cmd, sizeof(cmd), (const char **)&p);
+ av_strlcpy(c->method, cmd, sizeof(c->method));
+
+ if (!strcmp(cmd, "GET"))
+ c->post = 0;
+ else if (!strcmp(cmd, "POST"))
+ c->post = 1;
+ else
+ return -1;
+
+ get_word(url, sizeof(url), (const char **)&p);
+ av_strlcpy(c->url, url, sizeof(c->url));
+
+ get_word(protocol, sizeof(protocol), (const char **)&p);
if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
return -1;
-
- /* find the filename in the request */
- p = url;
- if (*p == '/')
+
+ av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
+
+ if (ffserver_debug)
+ http_log("New connection: %s %s\n", cmd, url);
+
+ /* find the filename and the optional info string in the request */
+ p = strchr(url, '?');
+ if (p) {
+ av_strlcpy(info, p, sizeof(info));
+ *p = '\0';
+ } else
+ info[0] = '\0';
+
+ av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
+
+ for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
+ if (strncasecmp(p, "User-Agent:", 11) == 0) {
+ useragent = p + 11;
+ if (*useragent && *useragent != '\n' && isspace(*useragent))
+ useragent++;
+ break;
+ }
+ p = strchr(p, '\n');
+ if (!p)
+ break;
+
p++;
+ }
+
+ redir_type = REDIR_NONE;
+ if (match_ext(filename, "asx")) {
+ redir_type = REDIR_ASX;
+ filename[strlen(filename)-1] = 'f';
+ } else if (match_ext(filename, "asf") &&
+ (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
+ /* if this isn't WMP or lookalike, return the redirector file */
+ redir_type = REDIR_ASF;
+ } else if (match_ext(filename, "rpm,ram")) {
+ redir_type = REDIR_RAM;
+ strcpy(filename + strlen(filename)-2, "m");
+ } else if (match_ext(filename, "rtsp")) {
+ redir_type = REDIR_RTSP;
+ compute_real_filename(filename, sizeof(filename) - 1);
+ } else if (match_ext(filename, "sdp")) {
+ redir_type = REDIR_SDP;
+ compute_real_filename(filename, sizeof(filename) - 1);
+ }
+
+ // "redirect" / request to index.html
+ if (!strlen(filename))
+ av_strlcpy(filename, "index.html", sizeof(filename) - 1);
stream = first_stream;
while (stream != NULL) {
- if (!strcmp(stream->filename, p))
+ if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
break;
stream = stream->next;
}
if (stream == NULL) {
- sprintf(msg, "File '%s' not found", url);
+ snprintf(msg, sizeof(msg), "File '%s' not found", url);
goto send_error;
}
+
c->stream = stream;
-
- /* should do it after so that the size can be computed */
- {
- char buf1[32], buf2[32], *p;
- time_t ti;
- /* XXX: reentrant function ? */
- p = inet_ntoa(c->from_addr.sin_addr);
- strcpy(buf1, p);
- ti = time(NULL);
- p = ctime(&ti);
- strcpy(buf2, p);
- p = buf2 + strlen(p) - 1;
- if (*p == '\n')
- *p = '\0';
- http_log("%s - - [%s] \"%s %s %s\" %d %d\n",
- buf1, buf2, cmd, url, protocol, 200, 1024);
+ memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
+ memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
+
+ if (stream->stream_type == STREAM_TYPE_REDIRECT) {
+ c->http_error = 301;
+ q = c->buffer;
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
+
+ /* prepare output buffer */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ }
+
+ /* If this is WMP, get the rate information */
+ if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
+ if (modify_current_stream(c, ratebuf)) {
+ for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
+ if (c->switch_feed_streams[i] >= 0)
+ do_switch_stream(c, i);
+ }
+ }
+ }
+
+ /* If already streaming this feed, do not let start another feeder. */
+ if (stream->feed_opened) {
+ snprintf(msg, sizeof(msg), "This feed is already being received.");
+ goto send_error;
+ }
+
+ if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
+ current_bandwidth += stream->bandwidth;
+
+ if (c->post == 0 && max_bandwidth < current_bandwidth) {
+ c->http_error = 200;
+ q = c->buffer;
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec.</p>\r\n",
+ current_bandwidth, max_bandwidth);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
+
+ /* prepare output buffer */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ }
+
+ if (redir_type != REDIR_NONE) {
+ char *hostinfo = 0;
+
+ for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
+ if (strncasecmp(p, "Host:", 5) == 0) {
+ hostinfo = p + 5;
+ break;
+ }
+ p = strchr(p, '\n');
+ if (!p)
+ break;
+
+ p++;
+ }
+
+ if (hostinfo) {
+ char *eoh;
+ char hostbuf[260];
+
+ while (isspace(*hostinfo))
+ hostinfo++;
+
+ eoh = strchr(hostinfo, '\n');
+ if (eoh) {
+ if (eoh[-1] == '\r')
+ eoh--;
+
+ if (eoh - hostinfo < sizeof(hostbuf) - 1) {
+ memcpy(hostbuf, hostinfo, eoh - hostinfo);
+ hostbuf[eoh - hostinfo] = 0;
+
+ c->http_error = 200;
+ q = c->buffer;
+ switch(redir_type) {
+ case REDIR_ASX:
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
+ //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
+ hostbuf, filename, info);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
+ break;
+ case REDIR_RAM:
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
+ hostbuf, filename, info);
+ break;
+ case REDIR_ASF:
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
+ hostbuf, filename, info);
+ break;
+ case REDIR_RTSP:
+ {
+ char hostname[256], *p;
+ /* extract only hostname */
+ av_strlcpy(hostname, hostbuf, sizeof(hostname));
+ p = strrchr(hostname, ':');
+ if (p)
+ *p = '\0';
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
+ /* XXX: incorrect mime type ? */
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
+ hostname, ntohs(my_rtsp_addr.sin_port),
+ filename);
+ }
+ break;
+ case REDIR_SDP:
+ {
+ uint8_t *sdp_data;
+ int sdp_data_size, len;
+ struct sockaddr_in my_addr;
+
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+
+ len = sizeof(my_addr);
+ getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
+
+ /* XXX: should use a dynamic buffer */
+ sdp_data_size = prepare_sdp_description(stream,
+ &sdp_data,
+ my_addr.sin_addr);
+ if (sdp_data_size > 0) {
+ memcpy(q, sdp_data, sdp_data_size);
+ q += sdp_data_size;
+ *q = '\0';
+ av_free(sdp_data);
+ }
+ }
+ break;
+ default:
+ abort();
+ break;
+ }
+
+ /* prepare output buffer */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ }
+ }
+ }
+
+ snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
+ goto send_error;
+ }
+
+ stream->conns_served++;
+
+ /* XXX: add there authenticate and IP match */
+
+ if (c->post) {
+ /* if post, it means a feed is being sent */
+ if (!stream->is_feed) {
+ /* However it might be a status report from WMP! Lets log the data
+ * as it might come in handy one day
+ */
+ char *logline = 0;
+ int client_id = 0;
+
+ for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
+ if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
+ logline = p;
+ break;
+ }
+ if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
+ client_id = strtol(p + 18, 0, 10);
+ p = strchr(p, '\n');
+ if (!p)
+ break;
+
+ p++;
+ }
+
+ if (logline) {
+ char *eol = strchr(logline, '\n');
+
+ logline += 17;
+
+ if (eol) {
+ if (eol[-1] == '\r')
+ eol--;
+ http_log("%.*s\n", (int) (eol - logline), logline);
+ c->suppress_log = 1;
+ }
+ }
+
+#ifdef DEBUG_WMP
+ http_log("\nGot request:\n%s\n", c->buffer);
+#endif
+
+ if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
+ HTTPContext *wmpc;
+
+ /* Now we have to find the client_id */
+ for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
+ if (wmpc->wmp_client_id == client_id)
+ break;
+ }
+
+ if (wmpc && modify_current_stream(wmpc, ratebuf))
+ wmpc->switch_pending = 1;
+ }
+
+ snprintf(msg, sizeof(msg), "POST command not handled");
+ c->stream = 0;
+ goto send_error;
+ }
+ if (http_start_receive_data(c) < 0) {
+ snprintf(msg, sizeof(msg), "could not open feed");
+ goto send_error;
+ }
+ c->http_error = 0;
+ c->state = HTTPSTATE_RECEIVE_DATA;
+ return 0;
+ }
+
+#ifdef DEBUG_WMP
+ if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
+ http_log("\nGot request:\n%s\n", c->buffer);
+#endif
+
+ if (c->stream->stream_type == STREAM_TYPE_STATUS)
+ goto send_stats;
+
+ /* open input stream */
+ if (open_input_stream(c, info) < 0) {
+ snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
+ goto send_error;
+ }
+
+ /* prepare http header */
+ q = c->buffer;
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
+ mime_type = c->stream->fmt->mime_type;
+ if (!mime_type)
+ mime_type = "application/x-octet-stream";
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
+
+ /* for asf, we need extra headers */
+ if (!strcmp(c->stream->fmt->name,"asf_stream")) {
+ /* Need to allocate a client id */
+
+ c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
+
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
+ }
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+
+ /* prepare output buffer */
+ c->http_error = 0;
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ send_error:
+ c->http_error = 404;
+ q = c->buffer;
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
+
+ /* prepare output buffer */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ send_stats:
+ compute_stats(c);
+ c->http_error = 200; /* horrible : we use this value to avoid
+ going to the send data state */
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+}
+
+static void fmt_bytecount(ByteIOContext *pb, int64_t count)
+{
+ static const char *suffix = " kMGTP";
+ const char *s;
+
+ for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
+
+ url_fprintf(pb, "%"PRId64"%c", count, *s);
+}
+
+static void compute_stats(HTTPContext *c)
+{
+ HTTPContext *c1;
+ FFStream *stream;
+ char *p;
+ time_t ti;
+ int i, len;
+ ByteIOContext *pb;
+
+ if (url_open_dyn_buf(&pb) < 0) {
+ /* XXX: return an error ? */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer;
+ return;
+ }
+
+ url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
+ url_fprintf(pb, "Content-type: %s\r\n", "text/html");
+ url_fprintf(pb, "Pragma: no-cache\r\n");
+ url_fprintf(pb, "\r\n");
+
+ url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
+ if (c->stream->feed_filename)
+ url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
+ url_fprintf(pb, "</HEAD>\n<BODY>");
+ url_fprintf(pb, "<H1>FFServer Status</H1>\n");
+ /* format status */
+ url_fprintf(pb, "<H2>Available Streams</H2>\n");
+ url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
+ url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
+ stream = first_stream;
+ while (stream != NULL) {
+ char sfilename[1024];
+ char *eosf;
+
+ if (stream->feed != stream) {
+ av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
+ eosf = sfilename + strlen(sfilename);
+ if (eosf - sfilename >= 4) {
+ if (strcmp(eosf - 4, ".asf") == 0)
+ strcpy(eosf - 4, ".asx");
+ else if (strcmp(eosf - 3, ".rm") == 0)
+ strcpy(eosf - 3, ".ram");
+ else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
+ /* generate a sample RTSP director if
+ unicast. Generate an SDP redirector if
+ multicast */
+ eosf = strrchr(sfilename, '.');
+ if (!eosf)
+ eosf = sfilename + strlen(sfilename);
+ if (stream->is_multicast)
+ strcpy(eosf, ".sdp");
+ else
+ strcpy(eosf, ".rtsp");
+ }
+ }
+
+ url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
+ sfilename, stream->filename);
+ url_fprintf(pb, "<td align=right> %d <td align=right> ",
+ stream->conns_served);
+ fmt_bytecount(pb, stream->bytes_served);
+ switch(stream->stream_type) {
+ case STREAM_TYPE_LIVE:
+ {
+ int audio_bit_rate = 0;
+ int video_bit_rate = 0;
+ const char *audio_codec_name = "";
+ const char *video_codec_name = "";
+ const char *audio_codec_name_extra = "";
+ const char *video_codec_name_extra = "";
+
+ for(i=0;i<stream->nb_streams;i++) {
+ AVStream *st = stream->streams[i];
+ AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
+ switch(st->codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ audio_bit_rate += st->codec->bit_rate;
+ if (codec) {
+ if (*audio_codec_name)
+ audio_codec_name_extra = "...";
+ audio_codec_name = codec->name;
+ }
+ break;
+ case CODEC_TYPE_VIDEO:
+ video_bit_rate += st->codec->bit_rate;
+ if (codec) {
+ if (*video_codec_name)
+ video_codec_name_extra = "...";
+ video_codec_name = codec->name;
+ }
+ break;
+ case CODEC_TYPE_DATA:
+ video_bit_rate += st->codec->bit_rate;
+ break;
+ default:
+ abort();
+ }
+ }
+ url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
+ stream->fmt->name,
+ stream->bandwidth,
+ video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
+ audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
+ if (stream->feed)
+ url_fprintf(pb, "<TD>%s", stream->feed->filename);
+ else
+ url_fprintf(pb, "<TD>%s", stream->feed_filename);
+ url_fprintf(pb, "\n");
+ }
+ break;
+ default:
+ url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
+ break;
+ }
+ }
+ stream = stream->next;
+ }
+ url_fprintf(pb, "</TABLE>\n");
+
+ stream = first_stream;
+ while (stream != NULL) {
+ if (stream->feed == stream) {
+ url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
+ if (stream->pid) {
+ url_fprintf(pb, "Running as pid %d.\n", stream->pid);
+
+#if defined(linux) && !defined(CONFIG_NOCUTILS)
+ {
+ FILE *pid_stat;
+ char ps_cmd[64];
+
+ /* This is somewhat linux specific I guess */
+ snprintf(ps_cmd, sizeof(ps_cmd),
+ "ps -o \"%%cpu,cputime\" --no-headers %d",
+ stream->pid);
+
+ pid_stat = popen(ps_cmd, "r");
+ if (pid_stat) {
+ char cpuperc[10];
+ char cpuused[64];
+
+ if (fscanf(pid_stat, "%10s %64s", cpuperc,
+ cpuused) == 2) {
+ url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
+ cpuperc, cpuused);
+ }
+ fclose(pid_stat);
+ }
+ }
+#endif
+
+ url_fprintf(pb, "<p>");
+ }
+ url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
+
+ for (i = 0; i < stream->nb_streams; i++) {
+ AVStream *st = stream->streams[i];
+ AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
+ const char *type = "unknown";
+ char parameters[64];
+
+ parameters[0] = 0;
+
+ switch(st->codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ type = "audio";
+ snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
+ break;
+ case CODEC_TYPE_VIDEO:
+ type = "video";
+ snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
+ st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
+ break;
+ default:
+ abort();
+ }
+ url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
+ i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
+ }
+ url_fprintf(pb, "</table>\n");
+
+ }
+ stream = stream->next;
+ }
+
+#if 0
+ {
+ float avg;
+ AVCodecContext *enc;
+ char buf[1024];
+
+ /* feed status */
+ stream = first_feed;
+ while (stream != NULL) {
+ url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
+ url_fprintf(pb, "<TABLE>\n");
+ url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
+ for(i=0;i<stream->nb_streams;i++) {
+ AVStream *st = stream->streams[i];
+ FeedData *fdata = st->priv_data;
+ enc = st->codec;
+
+ avcodec_string(buf, sizeof(buf), enc);
+ avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
+ if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
+ avg /= enc->frame_size;
+ url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
+ buf, enc->frame_number, fdata->data_count, avg / 1000.0);
+ }
+ url_fprintf(pb, "</TABLE>\n");
+ stream = stream->next_feed;
+ }
+ }
+#endif
+
+ /* connection status */
+ url_fprintf(pb, "<H2>Connection Status</H2>\n");
+
+ url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
+ nb_connections, nb_max_connections);
+
+ url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
+ current_bandwidth, max_bandwidth);
+
+ url_fprintf(pb, "<TABLE>\n");
+ url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
+ c1 = first_http_ctx;
+ i = 0;
+ while (c1 != NULL) {
+ int bitrate;
+ int j;
+
+ bitrate = 0;
+ if (c1->stream) {
+ for (j = 0; j < c1->stream->nb_streams; j++) {
+ if (!c1->stream->feed)
+ bitrate += c1->stream->streams[j]->codec->bit_rate;
+ else if (c1->feed_streams[j] >= 0)
+ bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
+ }
+ }
+
+ i++;
+ p = inet_ntoa(c1->from_addr.sin_addr);
+ url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
+ i,
+ c1->stream ? c1->stream->filename : "",
+ c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
+ p,
+ c1->protocol,
+ http_state[c1->state]);
+ fmt_bytecount(pb, bitrate);
+ url_fprintf(pb, "<td align=right>");
+ fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
+ url_fprintf(pb, "<td align=right>");
+ fmt_bytecount(pb, c1->data_count);
+ url_fprintf(pb, "\n");
+ c1 = c1->next;
+ }
+ url_fprintf(pb, "</TABLE>\n");
+
+ /* date */
+ ti = time(NULL);
+ p = ctime(&ti);
+ url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
+ url_fprintf(pb, "</BODY>\n</HTML>\n");
+
+ len = url_close_dyn_buf(pb, &c->pb_buffer);
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+}
+
+/* check if the parser needs to be opened for stream i */
+static void open_parser(AVFormatContext *s, int i)
+{
+ AVStream *st = s->streams[i];
+ AVCodec *codec;
+
+ if (!st->codec->codec) {
+ codec = avcodec_find_decoder(st->codec->codec_id);
+ if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
+ st->codec->parse_only = 1;
+ if (avcodec_open(st->codec, codec) < 0)
+ st->codec->parse_only = 0;
+ }
+ }
+}
+
+static int open_input_stream(HTTPContext *c, const char *info)
+{
+ char buf[128];
+ char input_filename[1024];
+ AVFormatContext *s;
+ int buf_size, i;
+ int64_t stream_pos;
+
+ /* find file name */
+ if (c->stream->feed) {
+ strcpy(input_filename, c->stream->feed->feed_filename);
+ buf_size = FFM_PACKET_SIZE;
+ /* compute position (absolute time) */
+ if (find_info_tag(buf, sizeof(buf), "date", info))
+ {
+ stream_pos = parse_date(buf, 0);
+ if (stream_pos == INT64_MIN)
+ return -1;
+ }
+ else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
+ int prebuffer = strtol(buf, 0, 10);
+ stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
+ } else
+ stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
+ } else {
+ strcpy(input_filename, c->stream->feed_filename);
+ buf_size = 0;
+ /* compute position (relative time) */
+ if (find_info_tag(buf, sizeof(buf), "date", info))
+ {
+ stream_pos = parse_date(buf, 1);
+ if (stream_pos == INT64_MIN)
+ return -1;
+ }
+ else
+ stream_pos = 0;
+ }
+ if (input_filename[0] == '\0')
+ return -1;
+
+#if 0
+ { time_t when = stream_pos / 1000000;
+ http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
+ }
+#endif
+
+ /* open stream */
+ if (av_open_input_file(&s, input_filename, c->stream->ifmt,
+ buf_size, c->stream->ap_in) < 0) {
+ http_log("%s not found", input_filename);
+ return -1;
+ }
+ s->flags |= AVFMT_FLAG_GENPTS;
+ c->fmt_in = s;
+ av_find_stream_info(c->fmt_in);
+
+ /* open each parser */
+ for(i=0;i<s->nb_streams;i++)
+ open_parser(s, i);
+
+ /* choose stream as clock source (we favorize video stream if
+ present) for packet sending */
+ c->pts_stream_index = 0;
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->pts_stream_index == 0 &&
+ c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
+ c->pts_stream_index = i;
+ }
+ }
+
+#if 1
+ if (c->fmt_in->iformat->read_seek)
+ c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
+#endif
+ /* set the start time (needed for maxtime and RTP packet timing) */
+ c->start_time = cur_time;
+ c->first_pts = AV_NOPTS_VALUE;
+ return 0;
+}
+
+/* return the server clock (in us) */
+static int64_t get_server_clock(HTTPContext *c)
+{
+ /* compute current pts value from system time */
+ return (cur_time - c->start_time) * 1000;
+}
+
+/* return the estimated time at which the current packet must be sent
+ (in us) */
+static int64_t get_packet_send_clock(HTTPContext *c)
+{
+ int bytes_left, bytes_sent, frame_bytes;
+
+ frame_bytes = c->cur_frame_bytes;
+ if (frame_bytes <= 0)
+ return c->cur_pts;
+ else {
+ bytes_left = c->buffer_end - c->buffer_ptr;
+ bytes_sent = frame_bytes - bytes_left;
+ return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
+ }
+}
+
+
+static int http_prepare_data(HTTPContext *c)
+{
+ int i, len, ret;
+ AVFormatContext *ctx;
+
+ av_freep(&c->pb_buffer);
+ switch(c->state) {
+ case HTTPSTATE_SEND_DATA_HEADER:
+ memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
+ av_strlcpy(c->fmt_ctx.author, c->stream->author,
+ sizeof(c->fmt_ctx.author));
+ av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
+ sizeof(c->fmt_ctx.comment));
+ av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
+ sizeof(c->fmt_ctx.copyright));
+ av_strlcpy(c->fmt_ctx.title, c->stream->title,
+ sizeof(c->fmt_ctx.title));
+
+ /* open output stream by using specified codecs */
+ c->fmt_ctx.oformat = c->stream->fmt;
+ c->fmt_ctx.nb_streams = c->stream->nb_streams;
+ for(i=0;i<c->fmt_ctx.nb_streams;i++) {
+ AVStream *st;
+ AVStream *src;
+ st = av_mallocz(sizeof(AVStream));
+ st->codec= avcodec_alloc_context();
+ c->fmt_ctx.streams[i] = st;
+ /* if file or feed, then just take streams from FFStream struct */
+ if (!c->stream->feed ||
+ c->stream->feed == c->stream)
+ src = c->stream->streams[i];
+ else
+ src = c->stream->feed->streams[c->stream->feed_streams[i]];
+
+ *st = *src;
+ st->priv_data = 0;
+ st->codec->frame_number = 0; /* XXX: should be done in
+ AVStream, not in codec */
+ /* I'm pretty sure that this is not correct...
+ * However, without it, we crash
+ */
+ st->codec->coded_frame = &dummy_frame;
+ }
+ c->got_key_frame = 0;
+
+ /* prepare header and save header data in a stream */
+ if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
+ /* XXX: potential leak */
+ return -1;
+ }
+ c->fmt_ctx.pb->is_streamed = 1;
+
+ av_set_parameters(&c->fmt_ctx, NULL);
+ if (av_write_header(&c->fmt_ctx) < 0)
+ return -1;
+
+ len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+
+ c->state = HTTPSTATE_SEND_DATA;
+ c->last_packet_sent = 0;
+ break;
+ case HTTPSTATE_SEND_DATA:
+ /* find a new packet */
+ {
+ AVPacket pkt;
+
+ /* read a packet from the input stream */
+ if (c->stream->feed)
+ ffm_set_write_index(c->fmt_in,
+ c->stream->feed->feed_write_index,
+ c->stream->feed->feed_size);
+
+ if (c->stream->max_time &&
+ c->stream->max_time + c->start_time - cur_time < 0)
+ /* We have timed out */
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
+ else {
+ redo:
+ if (av_read_frame(c->fmt_in, &pkt) < 0) {
+ if (c->stream->feed && c->stream->feed->feed_opened) {
+ /* if coming from feed, it means we reached the end of the
+ ffm file, so must wait for more data */
+ c->state = HTTPSTATE_WAIT_FEED;
+ return 1; /* state changed */
+ } else {
+ if (c->stream->loop) {
+ av_close_input_file(c->fmt_in);
+ c->fmt_in = NULL;
+ if (open_input_stream(c, "") < 0)
+ goto no_loop;
+ goto redo;
+ } else {
+ no_loop:
+ /* must send trailer now because eof or error */
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
+ }
+ }
+ } else {
+ /* update first pts if needed */
+ if (c->first_pts == AV_NOPTS_VALUE) {
+ c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
+ c->start_time = cur_time;
+ }
+ /* send it to the appropriate stream */
+ if (c->stream->feed) {
+ /* if coming from a feed, select the right stream */
+ if (c->switch_pending) {
+ c->switch_pending = 0;
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->switch_feed_streams[i] == pkt.stream_index)
+ if (pkt.flags & PKT_FLAG_KEY)
+ do_switch_stream(c, i);
+ if (c->switch_feed_streams[i] >= 0)
+ c->switch_pending = 1;
+ }
+ }
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->feed_streams[i] == pkt.stream_index) {
+ pkt.stream_index = i;
+ if (pkt.flags & PKT_FLAG_KEY)
+ c->got_key_frame |= 1 << i;
+ /* See if we have all the key frames, then
+ * we start to send. This logic is not quite
+ * right, but it works for the case of a
+ * single video stream with one or more
+ * audio streams (for which every frame is
+ * typically a key frame).
+ */
+ if (!c->stream->send_on_key ||
+ ((c->got_key_frame + 1) >> c->stream->nb_streams))
+ goto send_it;
+ }
+ }
+ } else {
+ AVCodecContext *codec;
+
+ send_it:
+ /* specific handling for RTP: we use several
+ output stream (one for each RTP
+ connection). XXX: need more abstract handling */
+ if (c->is_packetized) {
+ AVStream *st;
+ /* compute send time and duration */
+ st = c->fmt_in->streams[pkt.stream_index];
+ c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
+ if (st->start_time != AV_NOPTS_VALUE)
+ c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
+ c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
+#if 0
+ printf("index=%d pts=%0.3f duration=%0.6f\n",
+ pkt.stream_index,
+ (double)c->cur_pts /
+ AV_TIME_BASE,
+ (double)c->cur_frame_duration /
+ AV_TIME_BASE);
+#endif
+ /* find RTP context */
+ c->packet_stream_index = pkt.stream_index;
+ ctx = c->rtp_ctx[c->packet_stream_index];
+ if(!ctx) {
+ av_free_packet(&pkt);
+ break;
+ }
+ codec = ctx->streams[0]->codec;
+ /* only one stream per RTP connection */
+ pkt.stream_index = 0;
+ } else {
+ ctx = &c->fmt_ctx;
+ /* Fudge here */
+ codec = ctx->streams[pkt.stream_index]->codec;
+ }
+
+ codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
+ if (c->is_packetized) {
+ int max_packet_size;
+ if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
+ max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
+ else
+ max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
+ ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
+ } else {
+ ret = url_open_dyn_buf(&ctx->pb);
+ }
+ if (ret < 0) {
+ /* XXX: potential leak */
+ return -1;
+ }
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts = av_rescale_q(pkt.dts,
+ c->fmt_in->streams[pkt.stream_index]->time_base,
+ ctx->streams[pkt.stream_index]->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts = av_rescale_q(pkt.pts,
+ c->fmt_in->streams[pkt.stream_index]->time_base,
+ ctx->streams[pkt.stream_index]->time_base);
+ if (av_write_frame(ctx, &pkt))
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
+
+ len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
+ c->cur_frame_bytes = len;
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+
+ codec->frame_number++;
+ if (len == 0)
+ goto redo;
+ }
+ av_free_packet(&pkt);
+ }
+ }
+ }
+ break;
+ default:
+ case HTTPSTATE_SEND_DATA_TRAILER:
+ /* last packet test ? */
+ if (c->last_packet_sent || c->is_packetized)
+ return -1;
+ ctx = &c->fmt_ctx;
+ /* prepare header */
+ if (url_open_dyn_buf(&ctx->pb) < 0) {
+ /* XXX: potential leak */
+ return -1;
+ }
+ av_write_trailer(ctx);
+ len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+
+ c->last_packet_sent = 1;
+ break;
+ }
+ return 0;
+}
+
+/* should convert the format at the same time */
+/* send data starting at c->buffer_ptr to the output connection
+ (either UDP or TCP connection) */
+static int http_send_data(HTTPContext *c)
+{
+ int len, ret;
+
+ for(;;) {
+ if (c->buffer_ptr >= c->buffer_end) {
+ ret = http_prepare_data(c);
+ if (ret < 0)
+ return -1;
+ else if (ret != 0)
+ /* state change requested */
+ break;
+ } else {
+ if (c->is_packetized) {
+ /* RTP data output */
+ len = c->buffer_end - c->buffer_ptr;
+ if (len < 4) {
+ /* fail safe - should never happen */
+ fail1:
+ c->buffer_ptr = c->buffer_end;
+ return 0;
+ }
+ len = (c->buffer_ptr[0] << 24) |
+ (c->buffer_ptr[1] << 16) |
+ (c->buffer_ptr[2] << 8) |
+ (c->buffer_ptr[3]);
+ if (len > (c->buffer_end - c->buffer_ptr))
+ goto fail1;
+ if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
+ /* nothing to send yet: we can wait */
+ return 0;
+ }
+
+ c->data_count += len;
+ update_datarate(&c->datarate, c->data_count);
+ if (c->stream)
+ c->stream->bytes_served += len;
+
+ if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
+ /* RTP packets are sent inside the RTSP TCP connection */
+ ByteIOContext *pb;
+ int interleaved_index, size;
+ uint8_t header[4];
+ HTTPContext *rtsp_c;
+
+ rtsp_c = c->rtsp_c;
+ /* if no RTSP connection left, error */
+ if (!rtsp_c)
+ return -1;
+ /* if already sending something, then wait. */
+ if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
+ break;
+ if (url_open_dyn_buf(&pb) < 0)
+ goto fail1;
+ interleaved_index = c->packet_stream_index * 2;
+ /* RTCP packets are sent at odd indexes */
+ if (c->buffer_ptr[1] == 200)
+ interleaved_index++;
+ /* write RTSP TCP header */
+ header[0] = '$';
+ header[1] = interleaved_index;
+ header[2] = len >> 8;
+ header[3] = len;
+ put_buffer(pb, header, 4);
+ /* write RTP packet data */
+ c->buffer_ptr += 4;
+ put_buffer(pb, c->buffer_ptr, len);
+ size = url_close_dyn_buf(pb, &c->packet_buffer);
+ /* prepare asynchronous TCP sending */
+ rtsp_c->packet_buffer_ptr = c->packet_buffer;
+ rtsp_c->packet_buffer_end = c->packet_buffer + size;
+ c->buffer_ptr += len;
+
+ /* send everything we can NOW */
+ len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
+ rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
+ if (len > 0)
+ rtsp_c->packet_buffer_ptr += len;
+ if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
+ /* if we could not send all the data, we will
+ send it later, so a new state is needed to
+ "lock" the RTSP TCP connection */
+ rtsp_c->state = RTSPSTATE_SEND_PACKET;
+ break;
+ } else
+ /* all data has been sent */
+ av_freep(&c->packet_buffer);
+ } else {
+ /* send RTP packet directly in UDP */
+ c->buffer_ptr += 4;
+ url_write(c->rtp_handles[c->packet_stream_index],
+ c->buffer_ptr, len);
+ c->buffer_ptr += len;
+ /* here we continue as we can send several packets per 10 ms slot */
+ }
+ } else {
+ /* TCP data output */
+ len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR))
+ /* error : close connection */
+ return -1;
+ else
+ return 0;
+ } else
+ c->buffer_ptr += len;
+
+ c->data_count += len;
+ update_datarate(&c->datarate, c->data_count);
+ if (c->stream)
+ c->stream->bytes_served += len;
+ break;
+ }
+ }
+ } /* for(;;) */
+ return 0;
+}
+
+static int http_start_receive_data(HTTPContext *c)
+{
+ int fd;
+
+ if (c->stream->feed_opened)
+ return -1;
+
+ /* Don't permit writing to this one */
+ if (c->stream->readonly)
+ return -1;
+
+ /* open feed */
+ fd = open(c->stream->feed_filename, O_RDWR);
+ if (fd < 0)
+ return -1;
+ c->feed_fd = fd;
+
+ c->stream->feed_write_index = ffm_read_write_index(fd);
+ c->stream->feed_size = lseek(fd, 0, SEEK_END);
+ lseek(fd, 0, SEEK_SET);
+
+ /* init buffer input */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer + FFM_PACKET_SIZE;
+ c->stream->feed_opened = 1;
+ return 0;
+}
+
+static int http_receive_data(HTTPContext *c)
+{
+ HTTPContext *c1;
+
+ if (c->buffer_end > c->buffer_ptr) {
+ int len;
+
+ len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
+ if (len < 0) {
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR))
+ /* error : close connection */
+ goto fail;
+ } else if (len == 0)
+ /* end of connection : close it */
+ goto fail;
+ else {
+ c->buffer_ptr += len;
+ c->data_count += len;
+ update_datarate(&c->datarate, c->data_count);
+ }
+ }
+
+ if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
+ if (c->buffer[0] != 'f' ||
+ c->buffer[1] != 'm') {
+ http_log("Feed stream has become desynchronized -- disconnecting\n");
+ goto fail;
+ }
+ }
+
+ if (c->buffer_ptr >= c->buffer_end) {
+ FFStream *feed = c->stream;
+ /* a packet has been received : write it in the store, except
+ if header */
+ if (c->data_count > FFM_PACKET_SIZE) {
+
+ // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
+ /* XXX: use llseek or url_seek */
+ lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
+ write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
+
+ feed->feed_write_index += FFM_PACKET_SIZE;
+ /* update file size */
+ if (feed->feed_write_index > c->stream->feed_size)
+ feed->feed_size = feed->feed_write_index;
+
+ /* handle wrap around if max file size reached */
+ if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
+ feed->feed_write_index = FFM_PACKET_SIZE;
+
+ /* write index */
+ ffm_write_write_index(c->feed_fd, feed->feed_write_index);
+
+ /* wake up any waiting connections */
+ for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
+ if (c1->state == HTTPSTATE_WAIT_FEED &&
+ c1->stream->feed == c->stream->feed)
+ c1->state = HTTPSTATE_SEND_DATA;
+ }
+ } else {
+ /* We have a header in our hands that contains useful data */
+ AVFormatContext s;
+ AVInputFormat *fmt_in;
+ int i;
+
+ memset(&s, 0, sizeof(s));
+
+ url_open_buf(&s.pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
+ s.pb->buf_end = c->buffer_end; /* ?? */
+ s.pb->is_streamed = 1;
+
+ /* use feed output format name to find corresponding input format */
+ fmt_in = av_find_input_format(feed->fmt->name);
+ if (!fmt_in)
+ goto fail;
+
+ if (fmt_in->priv_data_size > 0) {
+ s.priv_data = av_mallocz(fmt_in->priv_data_size);
+ if (!s.priv_data)
+ goto fail;
+ } else
+ s.priv_data = NULL;
+
+ if (fmt_in->read_header(&s, 0) < 0) {
+ av_freep(&s.priv_data);
+ goto fail;
+ }
+
+ /* Now we have the actual streams */
+ if (s.nb_streams != feed->nb_streams) {
+ av_freep(&s.priv_data);
+ goto fail;
+ }
+ for (i = 0; i < s.nb_streams; i++)
+ memcpy(feed->streams[i]->codec,
+ s.streams[i]->codec, sizeof(AVCodecContext));
+ av_freep(&s.priv_data);
+ }
+ c->buffer_ptr = c->buffer;
+ }
+
+ return 0;
+ fail:
+ c->stream->feed_opened = 0;
+ close(c->feed_fd);
+ return -1;
+}
+
+/********************************************************************/
+/* RTSP handling */
+
+static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
+{
+ const char *str;
+ time_t ti;
+ char *p;
+ char buf2[32];
+
+ switch(error_number) {
+ case RTSP_STATUS_OK:
+ str = "OK";
+ break;
+ case RTSP_STATUS_METHOD:
+ str = "Method Not Allowed";
+ break;
+ case RTSP_STATUS_BANDWIDTH:
+ str = "Not Enough Bandwidth";
+ break;
+ case RTSP_STATUS_SESSION:
+ str = "Session Not Found";
+ break;
+ case RTSP_STATUS_STATE:
+ str = "Method Not Valid in This State";
+ break;
+ case RTSP_STATUS_AGGREGATE:
+ str = "Aggregate operation not allowed";
+ break;
+ case RTSP_STATUS_ONLY_AGGREGATE:
+ str = "Only aggregate operation allowed";
+ break;
+ case RTSP_STATUS_TRANSPORT:
+ str = "Unsupported transport";
+ break;
+ case RTSP_STATUS_INTERNAL:
+ str = "Internal Server Error";
+ break;
+ case RTSP_STATUS_SERVICE:
+ str = "Service Unavailable";
+ break;
+ case RTSP_STATUS_VERSION:
+ str = "RTSP Version not supported";
+ break;
+ default:
+ str = "Unknown Error";
+ break;
+ }
+
+ url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
+ url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
+
+ /* output GMT time */
+ ti = time(NULL);
+ p = ctime(&ti);
+ strcpy(buf2, p);
+ p = buf2 + strlen(p) - 1;
+ if (*p == '\n')
+ *p = '\0';
+ url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
+}
+
+static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
+{
+ rtsp_reply_header(c, error_number);
+ url_fprintf(c->pb, "\r\n");
+}
+
+static int rtsp_parse_request(HTTPContext *c)
+{
+ const char *p, *p1, *p2;
+ char cmd[32];
+ char url[1024];
+ char protocol[32];
+ char line[1024];
+ int len;
+ RTSPHeader header1, *header = &header1;
+
+ c->buffer_ptr[0] = '\0';
+ p = c->buffer;
+
+ get_word(cmd, sizeof(cmd), &p);
+ get_word(url, sizeof(url), &p);
+ get_word(protocol, sizeof(protocol), &p);
+
+ av_strlcpy(c->method, cmd, sizeof(c->method));
+ av_strlcpy(c->url, url, sizeof(c->url));
+ av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
+
+ if (url_open_dyn_buf(&c->pb) < 0) {
+ /* XXX: cannot do more */
+ c->pb = NULL; /* safety */
+ return -1;
+ }
+
+ /* check version name */
+ if (strcmp(protocol, "RTSP/1.0") != 0) {
+ rtsp_reply_error(c, RTSP_STATUS_VERSION);
+ goto the_end;
+ }
+
+ /* parse each header line */
+ memset(header, 0, sizeof(RTSPHeader));
+ /* skip to next line */
+ while (*p != '\n' && *p != '\0')
+ p++;
+ if (*p == '\n')
+ p++;
+ while (*p != '\0') {
+ p1 = strchr(p, '\n');
+ if (!p1)
+ break;
+ p2 = p1;
+ if (p2 > p && p2[-1] == '\r')
+ p2--;
+ /* skip empty line */
+ if (p2 == p)
+ break;
+ len = p2 - p;
+ if (len > sizeof(line) - 1)
+ len = sizeof(line) - 1;
+ memcpy(line, p, len);
+ line[len] = '\0';
+ rtsp_parse_line(header, line);
+ p = p1 + 1;
+ }
+
+ /* handle sequence number */
+ c->seq = header->seq;
+
+ if (!strcmp(cmd, "DESCRIBE"))
+ rtsp_cmd_describe(c, url);
+ else if (!strcmp(cmd, "OPTIONS"))
+ rtsp_cmd_options(c, url);
+ else if (!strcmp(cmd, "SETUP"))
+ rtsp_cmd_setup(c, url, header);
+ else if (!strcmp(cmd, "PLAY"))
+ rtsp_cmd_play(c, url, header);
+ else if (!strcmp(cmd, "PAUSE"))
+ rtsp_cmd_pause(c, url, header);
+ else if (!strcmp(cmd, "TEARDOWN"))
+ rtsp_cmd_teardown(c, url, header);
+ else
+ rtsp_reply_error(c, RTSP_STATUS_METHOD);
+
+ the_end:
+ len = url_close_dyn_buf(c->pb, &c->pb_buffer);
+ c->pb = NULL; /* safety */
+ if (len < 0) {
+ /* XXX: cannot do more */
+ return -1;
+ }
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+ c->state = RTSPSTATE_SEND_REPLY;
+ return 0;
+}
+
+static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
+ struct in_addr my_ip)
+{
+ AVFormatContext *avc;
+ AVStream avs[MAX_STREAMS];
+ int i;
+
+ avc = av_alloc_format_context();
+ if (avc == NULL) {
+ return -1;
+ }
+ if (stream->title[0] != 0) {
+ av_strlcpy(avc->title, stream->title, sizeof(avc->title));
+ } else {
+ av_strlcpy(avc->title, "No Title", sizeof(avc->title));
+ }
+ avc->nb_streams = stream->nb_streams;
+ if (stream->is_multicast) {
+ snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
+ inet_ntoa(stream->multicast_ip),
+ stream->multicast_port, stream->multicast_ttl);
+ }
+
+ for(i = 0; i < stream->nb_streams; i++) {
+ avc->streams[i] = &avs[i];
+ avc->streams[i]->codec = stream->streams[i]->codec;
+ }
+ *pbuffer = av_mallocz(2048);
+ avf_sdp_create(&avc, 1, *pbuffer, 2048);
+ av_free(avc);
+
+ return strlen(*pbuffer);
+}
+
+static void rtsp_cmd_options(HTTPContext *c, const char *url)
+{
+// rtsp_reply_header(c, RTSP_STATUS_OK);
+ url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
+ url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
+ url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
+ url_fprintf(c->pb, "\r\n");
+}
+
+static void rtsp_cmd_describe(HTTPContext *c, const char *url)
+{
+ FFStream *stream;
+ char path1[1024];
+ const char *path;
+ uint8_t *content;
+ int content_length, len;
+ struct sockaddr_in my_addr;
+
+ /* find which url is asked */
+ url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
+ path = path1;
+ if (*path == '/')
+ path++;
+
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ if (!stream->is_feed &&
+ stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
+ !strcmp(path, stream->filename)) {
+ goto found;
+ }
+ }
+ /* no stream found */
+ rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
+ return;
+
+ found:
+ /* prepare the media description in sdp format */
+
+ /* get the host IP */
+ len = sizeof(my_addr);
+ getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
+ content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
+ if (content_length < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
+ return;
+ }
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
+ url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
+ url_fprintf(c->pb, "\r\n");
+ put_buffer(c->pb, content, content_length);
+}
+
+static HTTPContext *find_rtp_session(const char *session_id)
+{
+ HTTPContext *c;
+
+ if (session_id[0] == '\0')
+ return NULL;
+
+ for(c = first_http_ctx; c != NULL; c = c->next) {
+ if (!strcmp(c->session_id, session_id))
+ return c;
+ }
+ return NULL;
+}
+
+static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
+{
+ RTSPTransportField *th;
+ int i;
+
+ for(i=0;i<h->nb_transports;i++) {
+ th = &h->transports[i];
+ if (th->protocol == protocol)
+ return th;
+ }
+ return NULL;
+}
+
+static void rtsp_cmd_setup(HTTPContext *c, const char *url,
+ RTSPHeader *h)
+{
+ FFStream *stream;
+ int stream_index, port;
+ char buf[1024];
+ char path1[1024];
+ const char *path;
+ HTTPContext *rtp_c;
+ RTSPTransportField *th;
+ struct sockaddr_in dest_addr;
+ RTSPActionServerSetup setup;
+
+ /* find which url is asked */
+ url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
+ path = path1;
+ if (*path == '/')
+ path++;
+
+ /* now check each stream */
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ if (!stream->is_feed &&
+ stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
+ /* accept aggregate filenames only if single stream */
+ if (!strcmp(path, stream->filename)) {
+ if (stream->nb_streams != 1) {
+ rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
+ return;
+ }
+ stream_index = 0;
+ goto found;
+ }
+
+ for(stream_index = 0; stream_index < stream->nb_streams;
+ stream_index++) {
+ snprintf(buf, sizeof(buf), "%s/streamid=%d",
+ stream->filename, stream_index);
+ if (!strcmp(path, buf))
+ goto found;
+ }
+ }
+ }
+ /* no stream found */
+ rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
+ return;
+ found:
+
+ /* generate session id if needed */
+ if (h->session_id[0] == '\0')
+ snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
+ av_random(&random_state), av_random(&random_state));
+
+ /* find rtp session, and create it if none found */
+ rtp_c = find_rtp_session(h->session_id);
+ if (!rtp_c) {
+ /* always prefer UDP */
+ th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
+ if (!th) {
+ th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
+ if (!th) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+ }
+
+ rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
+ th->protocol);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
+ return;
+ }
+
+ /* open input stream */
+ if (open_input_stream(rtp_c, "") < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
+ return;
+ }
+ }
+
+ /* test if stream is OK (test needed because several SETUP needs
+ to be done for a given file) */
+ if (rtp_c->stream != stream) {
+ rtsp_reply_error(c, RTSP_STATUS_SERVICE);
+ return;
+ }
+
+ /* test if stream is already set up */
+ if (rtp_c->rtp_ctx[stream_index]) {
+ rtsp_reply_error(c, RTSP_STATUS_STATE);
+ return;
+ }
+
+ /* check transport */
+ th = find_transport(h, rtp_c->rtp_protocol);
+ if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
+ th->client_port_min <= 0)) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+
+ /* setup default options */
+ setup.transport_option[0] = '\0';
+ dest_addr = rtp_c->from_addr;
+ dest_addr.sin_port = htons(th->client_port_min);
+
+ /* setup stream */
+ if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+
+ switch(rtp_c->rtp_protocol) {
+ case RTSP_PROTOCOL_RTP_UDP:
+ port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
+ url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
+ "client_port=%d-%d;server_port=%d-%d",
+ th->client_port_min, th->client_port_min + 1,
+ port, port + 1);
+ break;
+ case RTSP_PROTOCOL_RTP_TCP:
+ url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
+ stream_index * 2, stream_index * 2 + 1);
+ break;
+ default:
+ break;
+ }
+ if (setup.transport_option[0] != '\0')
+ url_fprintf(c->pb, ";%s", setup.transport_option);
+ url_fprintf(c->pb, "\r\n");
+
+
+ url_fprintf(c->pb, "\r\n");
+}
+
+
+/* find an rtp connection by using the session ID. Check consistency
+ with filename */
+static HTTPContext *find_rtp_session_with_url(const char *url,
+ const char *session_id)
+{
+ HTTPContext *rtp_c;
+ char path1[1024];
+ const char *path;
+ char buf[1024];
+ int s;
+
+ rtp_c = find_rtp_session(session_id);
+ if (!rtp_c)
+ return NULL;
+
+ /* find which url is asked */
+ url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
+ path = path1;
+ if (*path == '/')
+ path++;
+ if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
+ for(s=0; s<rtp_c->stream->nb_streams; ++s) {
+ snprintf(buf, sizeof(buf), "%s/streamid=%d",
+ rtp_c->stream->filename, s);
+ if(!strncmp(path, buf, sizeof(buf))) {
+ // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
+ return rtp_c;
+ }
+ }
+ return NULL;
+}
+
+static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
+{
+ HTTPContext *rtp_c;
+
+ rtp_c = find_rtp_session_with_url(url, h->session_id);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_SESSION);
+ return;
+ }
+
+ if (rtp_c->state != HTTPSTATE_SEND_DATA &&
+ rtp_c->state != HTTPSTATE_WAIT_FEED &&
+ rtp_c->state != HTTPSTATE_READY) {
+ rtsp_reply_error(c, RTSP_STATUS_STATE);
+ return;
+ }
+
+#if 0
+ /* XXX: seek in stream */
+ if (h->range_start != AV_NOPTS_VALUE) {
+ printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
+ av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
+ }
+#endif
+
+ rtp_c->state = HTTPSTATE_SEND_DATA;
+
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+ url_fprintf(c->pb, "\r\n");
+}
+
+static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
+{
+ HTTPContext *rtp_c;
+
+ rtp_c = find_rtp_session_with_url(url, h->session_id);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_SESSION);
+ return;
+ }
+
+ if (rtp_c->state != HTTPSTATE_SEND_DATA &&
+ rtp_c->state != HTTPSTATE_WAIT_FEED) {
+ rtsp_reply_error(c, RTSP_STATUS_STATE);
+ return;
+ }
+
+ rtp_c->state = HTTPSTATE_READY;
+ rtp_c->first_pts = AV_NOPTS_VALUE;
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+ url_fprintf(c->pb, "\r\n");
+}
+
+static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
+{
+ HTTPContext *rtp_c;
+ char session_id[32];
+
+ rtp_c = find_rtp_session_with_url(url, h->session_id);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_SESSION);
+ return;
+ }
+
+ av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
+
+ /* abort the session */
+ close_connection(rtp_c);
+
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", session_id);
+ url_fprintf(c->pb, "\r\n");
+}
+
+
+/********************************************************************/
+/* RTP handling */
+
+static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
+ FFStream *stream, const char *session_id,
+ enum RTSPProtocol rtp_protocol)
+{
+ HTTPContext *c = NULL;
+ const char *proto_str;
+
+ /* XXX: should output a warning page when coming
+ close to the connection limit */
+ if (nb_connections >= nb_max_connections)
+ goto fail;
+
+ /* add a new connection */
+ c = av_mallocz(sizeof(HTTPContext));
+ if (!c)
+ goto fail;
+
+ c->fd = -1;
+ c->poll_entry = NULL;
+ c->from_addr = *from_addr;
+ c->buffer_size = IOBUFFER_INIT_SIZE;
+ c->buffer = av_malloc(c->buffer_size);
+ if (!c->buffer)
+ goto fail;
+ nb_connections++;
+ c->stream = stream;
+ av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
+ c->state = HTTPSTATE_READY;
+ c->is_packetized = 1;
+ c->rtp_protocol = rtp_protocol;
+
+ /* protocol is shown in statistics */
+ switch(c->rtp_protocol) {
+ case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+ proto_str = "MCAST";
+ break;
+ case RTSP_PROTOCOL_RTP_UDP:
+ proto_str = "UDP";
+ break;
+ case RTSP_PROTOCOL_RTP_TCP:
+ proto_str = "TCP";
+ break;
+ default:
+ proto_str = "???";
+ break;
+ }
+ av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
+ av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
+
+ current_bandwidth += stream->bandwidth;
+
+ c->next = first_http_ctx;
+ first_http_ctx = c;
+ return c;
+
+ fail:
+ if (c) {
+ av_free(c->buffer);
+ av_free(c);
+ }
+ return NULL;
+}
+
+/* add a new RTP stream in an RTP connection (used in RTSP SETUP
+ command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
+ used. */
+static int rtp_new_av_stream(HTTPContext *c,
+ int stream_index, struct sockaddr_in *dest_addr,
+ HTTPContext *rtsp_c)
+{
+ AVFormatContext *ctx;
+ AVStream *st;
+ char *ipaddr;
+ URLContext *h;
+ uint8_t *dummy_buf;
+ char buf2[32];
+ int max_packet_size;
+
+ /* now we can open the relevant output stream */
+ ctx = av_alloc_format_context();
+ if (!ctx)
+ return -1;
+ ctx->oformat = guess_format("rtp", NULL, NULL);
+
+ st = av_mallocz(sizeof(AVStream));
+ if (!st)
+ goto fail;
+ st->codec= avcodec_alloc_context();
+ ctx->nb_streams = 1;
+ ctx->streams[0] = st;
+
+ if (!c->stream->feed ||
+ c->stream->feed == c->stream)
+ memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
+ else
+ memcpy(st,
+ c->stream->feed->streams[c->stream->feed_streams[stream_index]],
+ sizeof(AVStream));
+ st->priv_data = NULL;
+
+ /* build destination RTP address */
+ ipaddr = inet_ntoa(dest_addr->sin_addr);
+
+ switch(c->rtp_protocol) {
+ case RTSP_PROTOCOL_RTP_UDP:
+ case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+ /* RTP/UDP case */
+
+ /* XXX: also pass as parameter to function ? */
+ if (c->stream->is_multicast) {
+ int ttl;
+ ttl = c->stream->multicast_ttl;
+ if (!ttl)
+ ttl = 16;
+ snprintf(ctx->filename, sizeof(ctx->filename),
+ "rtp://%s:%d?multicast=1&ttl=%d",
+ ipaddr, ntohs(dest_addr->sin_port), ttl);
+ } else {
+ snprintf(ctx->filename, sizeof(ctx->filename),
+ "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
+ }
+
+ if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
+ goto fail;
+ c->rtp_handles[stream_index] = h;
+ max_packet_size = url_get_max_packet_size(h);
+ break;
+ case RTSP_PROTOCOL_RTP_TCP:
+ /* RTP/TCP case */
+ c->rtsp_c = rtsp_c;
+ max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
+ break;
+ default:
+ goto fail;
}
- if (c->stream->stream_type == STREAM_TYPE_STATUS)
- goto send_stats;
+ http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
+ ipaddr, ntohs(dest_addr->sin_port),
+ ctime1(buf2),
+ c->stream->filename, stream_index, c->protocol);
- /* prepare http header */
- q = c->buffer;
- q += sprintf(q, "HTTP/1.0 200 OK\r\n");
- mime_type = c->stream->fmt->mime_type;
- if (!mime_type)
- mime_type = "application/x-octet_stream";
- q += sprintf(q, "Content-type: %s\r\n", mime_type);
- q += sprintf(q, "Pragma: no-cache\r\n");
- /* for asf, we need extra headers */
- if (!strcmp(c->stream->fmt->name,"asf")) {
- q += sprintf(q, "Pragma: features=broadcast\r\n");
+ /* normally, no packets should be output here, but the packet size may be checked */
+ if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
+ /* XXX: close stream */
+ goto fail;
}
- q += sprintf(q, "\r\n");
+ av_set_parameters(ctx, NULL);
+ if (av_write_header(ctx) < 0) {
+ fail:
+ if (h)
+ url_close(h);
+ av_free(ctx);
+ return -1;
+ }
+ url_close_dyn_buf(ctx->pb, &dummy_buf);
+ av_free(dummy_buf);
- /* prepare output buffer */
- c->http_error = 0;
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
+ c->rtp_ctx[stream_index] = ctx;
return 0;
- send_error:
- c->http_error = 404;
- q = c->buffer;
- q += sprintf(q, "HTTP/1.0 404 Not Found\r\n");
- q += sprintf(q, "Content-type: %s\r\n", "text/html");
- q += sprintf(q, "\r\n");
- q += sprintf(q, "<HTML>\n");
- q += sprintf(q, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
- q += sprintf(q, "<BODY>%s</BODY>\n", msg);
- q += sprintf(q, "</HTML>\n");
+}
- /* prepare output buffer */
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
- send_stats:
- compute_stats(c);
- c->http_error = 200; /* horrible : we use this value to avoid
- going to the send data state */
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
+/********************************************************************/
+/* ffserver initialization */
+
+static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
+{
+ AVStream *fst;
+
+ fst = av_mallocz(sizeof(AVStream));
+ if (!fst)
+ return NULL;
+ fst->codec= avcodec_alloc_context();
+ fst->priv_data = av_mallocz(sizeof(FeedData));
+ memcpy(fst->codec, codec, sizeof(AVCodecContext));
+ fst->codec->coded_frame = &dummy_frame;
+ fst->index = stream->nb_streams;
+ av_set_pts_info(fst, 33, 1, 90000);
+ stream->streams[stream->nb_streams++] = fst;
+ return fst;
}
-static void compute_stats(HTTPContext *c)
+/* return the stream number in the feed */
+static int add_av_stream(FFStream *feed, AVStream *st)
{
- AVEncodeContext *enc;
- HTTPContext *c1;
- FFCodec *ffenc;
- FFStream *stream;
- float avg;
- char buf[1024], *q, *p;
- time_t ti;
+ AVStream *fst;
+ AVCodecContext *av, *av1;
int i;
- q = c->buffer;
- q += sprintf(q, "HTTP/1.0 200 OK\r\n");
- q += sprintf(q, "Content-type: %s\r\n", "text/html");
- q += sprintf(q, "Pragma: no-cache\r\n");
- q += sprintf(q, "\r\n");
-
- q += sprintf(q, "<HEAD><TITLE>FFServer Status</TITLE></HEAD>\n<BODY>");
- q += sprintf(q, "<H1>FFServer Status</H1>\n");
- /* format status */
- q += sprintf(q, "<H1>Available Streams</H1>\n");
- q += sprintf(q, "<TABLE>\n");
- q += sprintf(q, "<TR><TD>Path<TD>Format<TD>Bit rate (kbits/s)<TD>Video<TD>Audio\n");
- stream = first_stream;
- while (stream != NULL) {
- q += sprintf(q, "<TR><TD><A HREF=\"/%s\">%s</A> ",
- stream->filename, stream->filename);
- switch(stream->stream_type) {
- case STREAM_TYPE_LIVE:
- {
- int audio_bit_rate = 0;
- int video_bit_rate = 0;
- if (stream->audio_enc)
- audio_bit_rate = stream->audio_enc->bit_rate;
- if (stream->video_enc)
- video_bit_rate = stream->video_enc->bit_rate;
-
- q += sprintf(q, "<TD> %s <TD> %d <TD> %d <TD> %d\n",
- stream->fmt->name,
- (audio_bit_rate + video_bit_rate) / 1000,
- video_bit_rate / 1000, audio_bit_rate / 1000);
+ av = st->codec;
+ for(i=0;i<feed->nb_streams;i++) {
+ st = feed->streams[i];
+ av1 = st->codec;
+ if (av1->codec_id == av->codec_id &&
+ av1->codec_type == av->codec_type &&
+ av1->bit_rate == av->bit_rate) {
+
+ switch(av->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ if (av1->channels == av->channels &&
+ av1->sample_rate == av->sample_rate)
+ goto found;
+ break;
+ case CODEC_TYPE_VIDEO:
+ if (av1->width == av->width &&
+ av1->height == av->height &&
+ av1->time_base.den == av->time_base.den &&
+ av1->time_base.num == av->time_base.num &&
+ av1->gop_size == av->gop_size)
+ goto found;
+ break;
+ default:
+ abort();
}
- break;
- case STREAM_TYPE_MASTER:
- q += sprintf(q, "<TD> %s <TD> - <TD> - <TD> -\n",
- "master");
- break;
- default:
- q += sprintf(q, "<TD> - <TD> - <TD> - <TD> -\n");
- break;
}
- stream = stream->next;
- }
- q += sprintf(q, "</TABLE>\n");
-
- /* codec status */
- q += sprintf(q, "<H1>Codec Status</H1>\n");
- q += sprintf(q, "<TABLE>\n");
- q += sprintf(q, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- avencoder_string(buf, sizeof(buf), enc);
- avg = ffenc->avg_frame_size * (float)enc->rate * 8.0;
- if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
- avg /= enc->frame_size;
- q += sprintf(q, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
- buf, enc->frame_number, ffenc->data_count, avg / 1000.0);
- ffenc = ffenc->next;
- }
- q += sprintf(q, "</TABLE>\n");
-
- /* exclude the stat connection */
- q += sprintf(q, "Number of connections: %d / %d<BR>\n",
- nb_connections, nb_max_connections);
-
- /* connection status */
- q += sprintf(q, "<H1>Connection Status</H1>\n");
- q += sprintf(q, "<TABLE>\n");
- q += sprintf(q, "<TR><TD>#<TD>File<TD>IP<TD>Size\n");
- c1 = first_http_ctx;
- i = 0;
- while (c1 != NULL) {
- i++;
- p = inet_ntoa(c1->from_addr.sin_addr);
- q += sprintf(q, "<TR><TD><B>%d</B><TD>%s <TD> %s <TD> %Ld\n",
- i, c1->stream->filename, p, c1->data_count);
- c1 = c1->next;
}
- q += sprintf(q, "</TABLE>\n");
-
- /* date */
- ti = time(NULL);
- p = ctime(&ti);
- q += sprintf(q, "<HR>Generated at %s", p);
- q += sprintf(q, "</BODY>\n</HTML>\n");
-
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
-}
-
-static void http_write_packet(void *opaque,
- unsigned char *buf, int size)
-{
- HTTPContext *c = opaque;
- if (size > IOBUFFER_MAX_SIZE)
- abort();
- memcpy(c->buffer, buf, size);
- c->buffer_ptr = c->buffer;
- c->buffer_end = c->buffer + size;
+ fst = add_av_stream1(feed, av);
+ if (!fst)
+ return -1;
+ return feed->nb_streams - 1;
+ found:
+ return i;
}
-/* this headers are used to identify a packet for a given codec */
-void mk_header(PacketHeader *h, AVEncodeContext *c, int payload_size)
+static void remove_stream(FFStream *stream)
{
- h->codec_type = c->codec->type;
- h->codec_id = c->codec->id;
- h->bit_rate = htons(c->bit_rate / 1000);
- switch(c->codec->type) {
- case CODEC_TYPE_VIDEO:
- h->data[0] = c->rate;
- h->data[1] = c->width / 16;
- h->data[2] = c->height / 16;
- break;
- case CODEC_TYPE_AUDIO:
- h->data[0] = c->rate / 1000;
- h->data[1] = c->channels;
- h->data[2] = 0;
- break;
+ FFStream **ps;
+ ps = &first_stream;
+ while (*ps != NULL) {
+ if (*ps == stream)
+ *ps = (*ps)->next;
+ else
+ ps = &(*ps)->next;
}
- h->data[3] = c->key_frame;
- h->payload_size = htons(payload_size);
}
-int test_header(PacketHeader *h, AVEncodeContext *c)
+/* specific mpeg4 handling : we extract the raw parameters */
+static void extract_mpeg4_header(AVFormatContext *infile)
{
- if (!c)
- return 0;
+ int mpeg4_count, i, size;
+ AVPacket pkt;
+ AVStream *st;
+ const uint8_t *p;
- if (h->codec_type == c->codec->type &&
- h->codec_id == c->codec->id &&
- h->bit_rate == htons(c->bit_rate / 1000)) {
+ mpeg4_count = 0;
+ for(i=0;i<infile->nb_streams;i++) {
+ st = infile->streams[i];
+ if (st->codec->codec_id == CODEC_ID_MPEG4 &&
+ st->codec->extradata_size == 0) {
+ mpeg4_count++;
+ }
+ }
+ if (!mpeg4_count)
+ return;
- switch(c->codec->type) {
- case CODEC_TYPE_VIDEO:
- if (h->data[0] == c->rate &&
- h->data[1] == (c->width / 16) &&
- h->data[2] == (c->height / 16))
- goto found;
- break;
- case CODEC_TYPE_AUDIO:
- if (h->data[0] == (c->rate / 1000) &&
- (h->data[1] == c->channels))
- goto found;
+ printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
+ while (mpeg4_count > 0) {
+ if (av_read_packet(infile, &pkt) < 0)
break;
+ st = infile->streams[pkt.stream_index];
+ if (st->codec->codec_id == CODEC_ID_MPEG4 &&
+ st->codec->extradata_size == 0) {
+ av_freep(&st->codec->extradata);
+ /* fill extradata with the header */
+ /* XXX: we make hard suppositions here ! */
+ p = pkt.data;
+ while (p < pkt.data + pkt.size - 4) {
+ /* stop when vop header is found */
+ if (p[0] == 0x00 && p[1] == 0x00 &&
+ p[2] == 0x01 && p[3] == 0xb6) {
+ size = p - pkt.data;
+ // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
+ st->codec->extradata = av_malloc(size);
+ st->codec->extradata_size = size;
+ memcpy(st->codec->extradata, pkt.data, size);
+ break;
+ }
+ p++;
+ }
+ mpeg4_count--;
}
+ av_free_packet(&pkt);
}
- return 0;
- found:
- c->frame_number++;
- c->key_frame = h->data[3];
- return 1;
}
-static int http_prepare_data(HTTPContext *c)
+/* compute the needed AVStream for each file */
+static void build_file_streams(void)
{
- PacketHeader hdr;
- UINT8 *start_rptr, *payload;
- int payload_size, ret;
- long long fifo_total_size;
+ FFStream *stream, *stream_next;
+ AVFormatContext *infile;
+ int i;
- switch(c->state) {
- case HTTPSTATE_SEND_DATA_HEADER:
- if (c->stream->stream_type != STREAM_TYPE_MASTER) {
- memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
- c->fmt_ctx.format = c->stream->fmt;
- if (c->fmt_ctx.format->audio_codec != CODEC_ID_NONE) {
- /* create a fake new codec instance */
- c->fmt_ctx.audio_enc = malloc(sizeof(AVEncodeContext));
- memcpy(c->fmt_ctx.audio_enc, c->stream->audio_enc,
- sizeof(AVEncodeContext));
- c->fmt_ctx.audio_enc->frame_number = 0;
- }
- if (c->fmt_ctx.format->video_codec != CODEC_ID_NONE) {
- c->fmt_ctx.video_enc = malloc(sizeof(AVEncodeContext));
- memcpy(c->fmt_ctx.video_enc, c->stream->video_enc,
- sizeof(AVEncodeContext));
- c->fmt_ctx.video_enc->frame_number = 0;
- }
- init_put_byte(&c->fmt_ctx.pb, c->buffer, IOBUFFER_MAX_SIZE,
- c, http_write_packet, NULL);
- c->fmt_ctx.is_streamed = 1;
- c->got_key_frame[0] = 0;
- c->got_key_frame[1] = 0;
- /* prepare header */
- c->fmt_ctx.format->write_header(&c->fmt_ctx);
- }
- c->state = HTTPSTATE_SEND_DATA;
- c->last_packet_sent = 0;
- c->rptr = http_fifo.wptr;
- c->last_http_fifo_write_count = http_fifo_write_count;
- break;
- case HTTPSTATE_SEND_DATA:
- /* find a new packet */
- fifo_total_size = http_fifo_write_count - c->last_http_fifo_write_count;
- if (fifo_total_size >= ((3 * FIFO_MAX_SIZE) / 4)) {
- /* overflow : resync. We suppose that wptr is at this
- point a pointer to a valid packet */
- c->rptr = http_fifo.wptr;
- c->got_key_frame[0] = 0;
- c->got_key_frame[1] = 0;
- }
-
- start_rptr = c->rptr;
- if (fifo_read(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &c->rptr) < 0)
- return 0;
- payload_size = ntohs(hdr.payload_size);
- payload = malloc(payload_size);
- if (fifo_read(&http_fifo, payload, payload_size, &c->rptr) < 0) {
- /* cannot read all the payload */
- free(payload);
- c->rptr = start_rptr;
- return 0;
- }
-
- c->last_http_fifo_write_count = http_fifo_write_count -
- fifo_size(&http_fifo, c->rptr);
-
- if (c->stream->stream_type != STREAM_TYPE_MASTER) {
- /* test if the packet can be handled by this format */
- ret = 0;
- if (test_header(&hdr, c->fmt_ctx.audio_enc)) {
- /* only begin sending when got a key frame */
- if (c->fmt_ctx.audio_enc->key_frame)
- c->got_key_frame[1] = 1;
- if (c->got_key_frame[1]) {
- ret = c->fmt_ctx.format->write_audio_frame(&c->fmt_ctx,
- payload, payload_size);
- }
- } else if (test_header(&hdr, c->fmt_ctx.video_enc)) {
- if (c->fmt_ctx.video_enc->key_frame)
- c->got_key_frame[0] = 1;
- if (c->got_key_frame[0]) {
- ret = c->fmt_ctx.format->write_video_picture(&c->fmt_ctx,
- payload, payload_size);
- }
+ /* gather all streams */
+ for(stream = first_stream; stream != NULL; stream = stream_next) {
+ stream_next = stream->next;
+ if (stream->stream_type == STREAM_TYPE_LIVE &&
+ !stream->feed) {
+ /* the stream comes from a file */
+ /* try to open the file */
+ /* open stream */
+ stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
+ if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
+ /* specific case : if transport stream output to RTP,
+ we use a raw transport stream reader */
+ stream->ap_in->mpeg2ts_raw = 1;
+ stream->ap_in->mpeg2ts_compute_pcr = 1;
}
- if (ret) {
- /* must send trailer now */
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
+
+ if (av_open_input_file(&infile, stream->feed_filename,
+ stream->ifmt, 0, stream->ap_in) < 0) {
+ http_log("%s not found", stream->feed_filename);
+ /* remove stream (no need to spend more time on it) */
+ fail:
+ remove_stream(stream);
+ } else {
+ /* find all the AVStreams inside and reference them in
+ 'stream' */
+ if (av_find_stream_info(infile) < 0) {
+ http_log("Could not find codec parameters from '%s'",
+ stream->feed_filename);
+ av_close_input_file(infile);
+ goto fail;
+ }
+ extract_mpeg4_header(infile);
+
+ for(i=0;i<infile->nb_streams;i++)
+ add_av_stream1(stream, infile->streams[i]->codec);
+
+ av_close_input_file(infile);
}
- } else {
- /* master case : send everything */
- char *q;
- q = c->buffer;
- memcpy(q, &hdr, sizeof(hdr));
- q += sizeof(hdr);
- memcpy(q, payload, payload_size);
- q += payload_size;
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- }
- free(payload);
- break;
- default:
- case HTTPSTATE_SEND_DATA_TRAILER:
- /* last packet test ? */
- if (c->last_packet_sent)
- return -1;
- /* prepare header */
- c->fmt_ctx.format->write_trailer(&c->fmt_ctx);
- c->last_packet_sent = 1;
- break;
+ }
}
- return 0;
}
-
-/* should convert the format at the same time */
-static int http_send_data(HTTPContext *c)
+/* compute the needed AVStream for each feed */
+static void build_feed_streams(void)
{
- int len;
+ FFStream *stream, *feed;
+ int i;
- while (c->buffer_ptr >= c->buffer_end) {
- if (http_prepare_data(c) < 0)
- return -1;
+ /* gather all streams */
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ feed = stream->feed;
+ if (feed) {
+ if (!stream->is_feed) {
+ /* we handle a stream coming from a feed */
+ for(i=0;i<stream->nb_streams;i++)
+ stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
+ }
+ }
}
- len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
- if (len < 0) {
- if (errno != EAGAIN && errno != EINTR) {
- /* error : close connection */
- return -1;
+ /* gather all streams */
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ feed = stream->feed;
+ if (feed) {
+ if (stream->is_feed) {
+ for(i=0;i<stream->nb_streams;i++)
+ stream->feed_streams[i] = i;
+ }
}
- } else {
- c->buffer_ptr += len;
- c->data_count += len;
}
- return 0;
+
+ /* create feed files if needed */
+ for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
+ int fd;
+
+ if (url_exist(feed->feed_filename)) {
+ /* See if it matches */
+ AVFormatContext *s;
+ int matches = 0;
+
+ if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
+ /* Now see if it matches */
+ if (s->nb_streams == feed->nb_streams) {
+ matches = 1;
+ for(i=0;i<s->nb_streams;i++) {
+ AVStream *sf, *ss;
+ sf = feed->streams[i];
+ ss = s->streams[i];
+
+ if (sf->index != ss->index ||
+ sf->id != ss->id) {
+ printf("Index & Id do not match for stream %d (%s)\n",
+ i, feed->feed_filename);
+ matches = 0;
+ } else {
+ AVCodecContext *ccf, *ccs;
+
+ ccf = sf->codec;
+ ccs = ss->codec;
+#define CHECK_CODEC(x) (ccf->x != ccs->x)
+
+ if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
+ printf("Codecs do not match for stream %d\n", i);
+ matches = 0;
+ } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
+ printf("Codec bitrates do not match for stream %d\n", i);
+ matches = 0;
+ } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
+ if (CHECK_CODEC(time_base.den) ||
+ CHECK_CODEC(time_base.num) ||
+ CHECK_CODEC(width) ||
+ CHECK_CODEC(height)) {
+ printf("Codec width, height and framerate do not match for stream %d\n", i);
+ matches = 0;
+ }
+ } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
+ if (CHECK_CODEC(sample_rate) ||
+ CHECK_CODEC(channels) ||
+ CHECK_CODEC(frame_size)) {
+ printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
+ matches = 0;
+ }
+ } else {
+ printf("Unknown codec type\n");
+ matches = 0;
+ }
+ }
+ if (!matches)
+ break;
+ }
+ } else
+ printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
+ feed->feed_filename, s->nb_streams, feed->nb_streams);
+
+ av_close_input_file(s);
+ } else
+ printf("Deleting feed file '%s' as it appears to be corrupt\n",
+ feed->feed_filename);
+
+ if (!matches) {
+ if (feed->readonly) {
+ printf("Unable to delete feed file '%s' as it is marked readonly\n",
+ feed->feed_filename);
+ exit(1);
+ }
+ unlink(feed->feed_filename);
+ }
+ }
+ if (!url_exist(feed->feed_filename)) {
+ AVFormatContext s1, *s = &s1;
+
+ if (feed->readonly) {
+ printf("Unable to create feed file '%s' as it is marked readonly\n",
+ feed->feed_filename);
+ exit(1);
+ }
+
+ /* only write the header of the ffm file */
+ if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
+ fprintf(stderr, "Could not open output feed file '%s'\n",
+ feed->feed_filename);
+ exit(1);
+ }
+ s->oformat = feed->fmt;
+ s->nb_streams = feed->nb_streams;
+ for(i=0;i<s->nb_streams;i++) {
+ AVStream *st;
+ st = feed->streams[i];
+ s->streams[i] = st;
+ }
+ av_set_parameters(s, NULL);
+ if (av_write_header(s) < 0) {
+ fprintf(stderr, "Container doesn't supports the required parameters\n");
+ exit(1);
+ }
+ /* XXX: need better api */
+ av_freep(&s->priv_data);
+ url_fclose(s->pb);
+ }
+ /* get feed size and write index */
+ fd = open(feed->feed_filename, O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "Could not open output feed file '%s'\n",
+ feed->feed_filename);
+ exit(1);
+ }
+
+ feed->feed_write_index = ffm_read_write_index(fd);
+ feed->feed_size = lseek(fd, 0, SEEK_END);
+ /* ensure that we do not wrap before the end of file */
+ if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
+ feed->feed_max_size = feed->feed_size;
+
+ close(fd);
+ }
}
-static int master_receive(int fd)
+/* compute the bandwidth used by each stream */
+static void compute_bandwidth(void)
{
- int len, size;
- FifoBuffer *f = &http_fifo;
- UINT8 *rptr;
-
- size = f->end - f->wptr;
- if (size > master_count)
- size = master_count;
- len = read(fd, f->wptr, size);
- if (len == -1) {
- if (errno != EAGAIN && errno != EINTR)
- return -1;
- } else if (len == 0) {
- return -1;
- } else {
- master_wptr += len;
- if (master_wptr >= f->end)
- master_wptr = f->buffer;
- master_count -= len;
- if (master_count == 0) {
- if (master_state == MASTERSTATE_RECEIVE_HEADER) {
- /* XXX: use generic fifo read to extract packet header */
- rptr = master_wptr;
- if (rptr == f->buffer)
- rptr = f->end - 1;
- else
- rptr--;
- master_count = *rptr;
- if (rptr == f->buffer)
- rptr = f->end - 1;
- else
- rptr--;
- master_count |= *rptr << 8;
- master_state = MASTERSTATE_RECEIVE_DATA;
- } else {
- /* update fifo wptr */
- f->wptr = master_wptr;
- master_state = MASTERSTATE_RECEIVE_HEADER;
+ int bandwidth, i;
+ FFStream *stream;
+
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ bandwidth = 0;
+ for(i=0;i<stream->nb_streams;i++) {
+ AVStream *st = stream->streams[i];
+ switch(st->codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ case CODEC_TYPE_VIDEO:
+ bandwidth += st->codec->bit_rate;
+ break;
+ default:
+ break;
}
}
+ stream->bandwidth = (bandwidth + 999) / 1000;
}
- return 0;
}
static void get_arg(char *buf, int buf_size, const char **pp)
{
const char *p;
char *q;
+ int quote;
p = *pp;
while (isspace(*p)) p++;
q = buf;
- while (!isspace(*p) && *p != '\0') {
+ quote = 0;
+ if (*p == '\"' || *p == '\'')
+ quote = *p++;
+ for(;;) {
+ if (quote) {
+ if (*p == quote)
+ break;
+ } else {
+ if (isspace(*p))
+ break;
+ }
+ if (*p == '\0')
+ break;
if ((q - buf) < buf_size - 1)
*q++ = *p;
p++;
}
*q = '\0';
+ if (quote && *p == quote)
+ p++;
*pp = p;
}
-/* add a codec and check if it does not already exists */
-AVEncodeContext *add_codec(int codec_id,
- AVEncodeContext *av)
+/* add a codec and set the default parameters */
+static void add_codec(FFStream *stream, AVCodecContext *av)
{
- AVEncoder *codec;
- FFCodec *ctx, **pctx;
- AVEncodeContext *av1;
-
- codec = avencoder_find(codec_id);
- if (!codec)
- return NULL;
+ AVStream *st;
/* compute default parameters */
- av->codec = codec;
- switch(codec->type) {
+ switch(av->codec_type) {
case CODEC_TYPE_AUDIO:
if (av->bit_rate == 0)
av->bit_rate = 64000;
- if (av->rate == 0)
- av->rate = 22050;
+ if (av->sample_rate == 0)
+ av->sample_rate = 22050;
if (av->channels == 0)
av->channels = 1;
break;
case CODEC_TYPE_VIDEO:
if (av->bit_rate == 0)
av->bit_rate = 64000;
- if (av->rate == 0)
- av->rate = 5;
+ if (av->time_base.num == 0){
+ av->time_base.den = 5;
+ av->time_base.num = 1;
+ }
if (av->width == 0 || av->height == 0) {
av->width = 160;
av->height = 128;
}
+ /* Bitrate tolerance is less for streaming */
+ if (av->bit_rate_tolerance == 0)
+ av->bit_rate_tolerance = av->bit_rate / 4;
+ if (av->qmin == 0)
+ av->qmin = 3;
+ if (av->qmax == 0)
+ av->qmax = 31;
+ if (av->max_qdiff == 0)
+ av->max_qdiff = 3;
+ av->qcompress = 0.5;
+ av->qblur = 0.5;
+
+ if (!av->nsse_weight)
+ av->nsse_weight = 8;
+
+ av->frame_skip_cmp = FF_CMP_DCTMAX;
+ av->me_method = ME_EPZS;
+ av->rc_buffer_aggressivity = 1.0;
+
+ if (!av->rc_eq)
+ av->rc_eq = "tex^qComp";
+ if (!av->i_quant_factor)
+ av->i_quant_factor = -0.8;
+ if (!av->b_quant_factor)
+ av->b_quant_factor = 1.25;
+ if (!av->b_quant_offset)
+ av->b_quant_offset = 1.25;
+ if (!av->rc_max_rate)
+ av->rc_max_rate = av->bit_rate * 2;
+
+ if (av->rc_max_rate && !av->rc_buffer_size) {
+ av->rc_buffer_size = av->rc_max_rate;
+ }
+
+
break;
+ default:
+ abort();
}
- /* find if the codec already exists */
- pctx = &first_codec;
- while (*pctx != NULL) {
- av1 = &(*pctx)->enc;
- if (av1->codec == av->codec &&
- av1->bit_rate == av->bit_rate &&
- av1->rate == av->rate) {
+ st = av_mallocz(sizeof(AVStream));
+ if (!st)
+ return;
+ st->codec = avcodec_alloc_context();
+ stream->streams[stream->nb_streams++] = st;
+ memcpy(st->codec, av, sizeof(AVCodecContext));
+}
- switch(av->codec->type) {
- case CODEC_TYPE_AUDIO:
- if (av1->channels == av->channels)
- goto found;
- break;
- case CODEC_TYPE_VIDEO:
- if (av1->width == av->width &&
- av1->height == av->height &&
- av1->gop_size == av->gop_size)
- goto found;
- break;
- }
- }
- pctx = &(*pctx)->next;
+static int opt_audio_codec(const char *arg)
+{
+ AVCodec *p= avcodec_find_encoder_by_name(arg);
+
+ if (p == NULL || p->type != CODEC_TYPE_AUDIO)
+ return CODEC_ID_NONE;
+
+ return p->id;
+}
+
+static int opt_video_codec(const char *arg)
+{
+ AVCodec *p= avcodec_find_encoder_by_name(arg);
+
+ if (p == NULL || p->type != CODEC_TYPE_VIDEO)
+ return CODEC_ID_NONE;
+
+ return p->id;
+}
+
+/* simplistic plugin support */
+
+#ifdef HAVE_DLOPEN
+static void load_module(const char *filename)
+{
+ void *dll;
+ void (*init_func)(void);
+ dll = dlopen(filename, RTLD_NOW);
+ if (!dll) {
+ fprintf(stderr, "Could not load module '%s' - %s\n",
+ filename, dlerror());
+ return;
}
- ctx = malloc(sizeof(FFCodec));
- if (!ctx)
- return NULL;
- memset(ctx, 0, sizeof(FFCodec));
- *pctx = ctx;
-
- memcpy(&ctx->enc, av, sizeof(AVEncodeContext));
- return &ctx->enc;
- found:
- ctx = *pctx;
- return &ctx->enc;
+ init_func = dlsym(dll, "ffserver_module_init");
+ if (!init_func) {
+ fprintf(stderr,
+ "%s: init function 'ffserver_module_init()' not found\n",
+ filename);
+ dlclose(dll);
+ }
+
+ init_func();
}
+#endif
-int parse_ffconfig(const char *filename)
+static int parse_ffconfig(const char *filename)
{
FILE *f;
char line[1024];
char arg[1024];
const char *p;
int val, errors, line_num;
- FFStream **last_stream, *stream;
- AVEncodeContext audio_enc, video_enc;
+ FFStream **last_stream, *stream, *redirect;
+ FFStream **last_feed, *feed;
+ AVCodecContext audio_enc, video_enc;
+ int audio_id, video_id;
f = fopen(filename, "r");
if (!f) {
perror(filename);
return -1;
}
-
+
errors = 0;
line_num = 0;
first_stream = NULL;
- first_codec = NULL;
last_stream = &first_stream;
+ first_feed = NULL;
+ last_feed = &first_feed;
stream = NULL;
+ feed = NULL;
+ redirect = NULL;
+ audio_id = CODEC_ID_NONE;
+ video_id = CODEC_ID_NONE;
for(;;) {
if (fgets(line, sizeof(line), f) == NULL)
break;
line_num++;
p = line;
- while (isspace(*p))
+ while (isspace(*p))
p++;
if (*p == '\0' || *p == '#')
continue;
get_arg(cmd, sizeof(cmd), &p);
-
+
if (!strcasecmp(cmd, "Port")) {
get_arg(arg, sizeof(arg), &p);
- my_addr.sin_port = htons (atoi(arg));
+ val = atoi(arg);
+ if (val < 1 || val > 65536) {
+ fprintf(stderr, "%s:%d: Invalid port: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ my_http_addr.sin_port = htons(val);
} else if (!strcasecmp(cmd, "BindAddress")) {
get_arg(arg, sizeof(arg), &p);
- if (!inet_aton(arg, &my_addr.sin_addr)) {
- fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
+ if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
+ fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "NoDaemon")) {
+ ffserver_daemon = 0;
+ } else if (!strcasecmp(cmd, "RTSPPort")) {
+ get_arg(arg, sizeof(arg), &p);
+ val = atoi(arg);
+ if (val < 1 || val > 65536) {
+ fprintf(stderr, "%s:%d: Invalid port: %s\n",
filename, line_num, arg);
errors++;
}
- } else if (!strcasecmp(cmd, "MasterServer")) {
- get_arg(master_url, sizeof(master_url), &p);
- if (!strstart(master_url, "http://", NULL)) {
- fprintf(stderr, "%s:%d: Invalid URL for master server: %s\n",
- filename, line_num, master_url);
+ my_rtsp_addr.sin_port = htons(atoi(arg));
+ } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
+ fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
+ filename, line_num, arg);
errors++;
}
} else if (!strcasecmp(cmd, "MaxClients")) {
get_arg(arg, sizeof(arg), &p);
val = atoi(arg);
if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
- fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
+ fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
filename, line_num, arg);
errors++;
} else {
nb_max_connections = val;
}
+ } else if (!strcasecmp(cmd, "MaxBandwidth")) {
+ get_arg(arg, sizeof(arg), &p);
+ val = atoi(arg);
+ if (val < 10 || val > 100000) {
+ fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
+ filename, line_num, arg);
+ errors++;
+ } else
+ max_bandwidth = val;
} else if (!strcasecmp(cmd, "CustomLog")) {
get_arg(logfilename, sizeof(logfilename), &p);
+ } else if (!strcasecmp(cmd, "<Feed")) {
+ /*********************************************/
+ /* Feed related options */
+ char *q;
+ if (stream || feed) {
+ fprintf(stderr, "%s:%d: Already in a tag\n",
+ filename, line_num);
+ } else {
+ feed = av_mallocz(sizeof(FFStream));
+ /* add in stream list */
+ *last_stream = feed;
+ last_stream = &feed->next;
+ /* add in feed list */
+ *last_feed = feed;
+ last_feed = &feed->next_feed;
+
+ get_arg(feed->filename, sizeof(feed->filename), &p);
+ q = strrchr(feed->filename, '>');
+ if (*q)
+ *q = '\0';
+ feed->fmt = guess_format("ffm", NULL, NULL);
+ /* defaut feed file */
+ snprintf(feed->feed_filename, sizeof(feed->feed_filename),
+ "/tmp/%s.ffm", feed->filename);
+ feed->feed_max_size = 5 * 1024 * 1024;
+ feed->is_feed = 1;
+ feed->feed = feed; /* self feeding :-) */
+ }
+ } else if (!strcasecmp(cmd, "Launch")) {
+ if (feed) {
+ int i;
+
+ feed->child_argv = av_mallocz(64 * sizeof(char *));
+
+ for (i = 0; i < 62; i++) {
+ get_arg(arg, sizeof(arg), &p);
+ if (!arg[0])
+ break;
+
+ feed->child_argv[i] = av_strdup(arg);
+ }
+
+ feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
+
+ snprintf(feed->child_argv[i], 30+strlen(feed->filename),
+ "http://%s:%d/%s",
+ (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
+ inet_ntoa(my_http_addr.sin_addr),
+ ntohs(my_http_addr.sin_port), feed->filename);
+
+ if (ffserver_debug)
+ {
+ int j;
+ fprintf(stdout, "Launch commandline: ");
+ for (j = 0; j <= i; j++)
+ fprintf(stdout, "%s ", feed->child_argv[j]);
+ fprintf(stdout, "\n");
+ }
+ }
+ } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
+ if (feed) {
+ get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
+ feed->readonly = 1;
+ } else if (stream) {
+ get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
+ }
+ } else if (!strcasecmp(cmd, "File")) {
+ if (feed) {
+ get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
+ } else if (stream)
+ get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
+ } else if (!strcasecmp(cmd, "FileMaxSize")) {
+ if (feed) {
+ const char *p1;
+ double fsize;
+
+ get_arg(arg, sizeof(arg), &p);
+ p1 = arg;
+ fsize = strtod(p1, (char **)&p1);
+ switch(toupper(*p1)) {
+ case 'K':
+ fsize *= 1024;
+ break;
+ case 'M':
+ fsize *= 1024 * 1024;
+ break;
+ case 'G':
+ fsize *= 1024 * 1024 * 1024;
+ break;
+ }
+ feed->feed_max_size = (int64_t)fsize;
+ }
+ } else if (!strcasecmp(cmd, "</Feed>")) {
+ if (!feed) {
+ fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
+ filename, line_num);
+ errors++;
+ }
+ feed = NULL;
} else if (!strcasecmp(cmd, "<Stream")) {
+ /*********************************************/
+ /* Stream related options */
char *q;
- if (stream) {
- fprintf(stderr, "%s:%d: Already in a stream tag\n",
+ if (stream || feed) {
+ fprintf(stderr, "%s:%d: Already in a tag\n",
filename, line_num);
} else {
- stream = malloc(sizeof(FFStream));
- memset(stream, 0, sizeof(FFStream));
+ stream = av_mallocz(sizeof(FFStream));
*last_stream = stream;
last_stream = &stream->next;
q = strrchr(stream->filename, '>');
if (*q)
*q = '\0';
- stream->fmt = guess_format(NULL, stream->filename, NULL);
- memset(&audio_enc, 0, sizeof(AVEncodeContext));
- memset(&video_enc, 0, sizeof(AVEncodeContext));
+ stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
+ memset(&audio_enc, 0, sizeof(AVCodecContext));
+ memset(&video_enc, 0, sizeof(AVCodecContext));
+ audio_id = CODEC_ID_NONE;
+ video_id = CODEC_ID_NONE;
+ if (stream->fmt) {
+ audio_id = stream->fmt->audio_codec;
+ video_id = stream->fmt->video_codec;
+ }
+ }
+ } else if (!strcasecmp(cmd, "Feed")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ FFStream *sfeed;
+
+ sfeed = first_feed;
+ while (sfeed != NULL) {
+ if (!strcmp(sfeed->filename, arg))
+ break;
+ sfeed = sfeed->next_feed;
+ }
+ if (!sfeed)
+ fprintf(stderr, "%s:%d: feed '%s' not defined\n",
+ filename, line_num, arg);
+ else
+ stream->feed = sfeed;
}
} else if (!strcasecmp(cmd, "Format")) {
get_arg(arg, sizeof(arg), &p);
- if (!strcmp(arg, "master")) {
- stream->stream_type = STREAM_TYPE_MASTER;
- stream->fmt = NULL;
- } else if (!strcmp(arg, "status")) {
+ if (!strcmp(arg, "status")) {
stream->stream_type = STREAM_TYPE_STATUS;
stream->fmt = NULL;
} else {
stream->stream_type = STREAM_TYPE_LIVE;
- stream->fmt = guess_format(arg, NULL, NULL);
+ /* jpeg cannot be used here, so use single frame jpeg */
+ if (!strcmp(arg, "jpeg"))
+ strcpy(arg, "mjpeg");
+ stream->fmt = guess_stream_format(arg, NULL, NULL);
if (!stream->fmt) {
- fprintf(stderr, "%s:%d: Unknown Format: %s\n",
+ fprintf(stderr, "%s:%d: Unknown Format: %s\n",
filename, line_num, arg);
errors++;
}
}
+ if (stream->fmt) {
+ audio_id = stream->fmt->audio_codec;
+ video_id = stream->fmt->video_codec;
+ }
+ } else if (!strcasecmp(cmd, "InputFormat")) {
+ get_arg(arg, sizeof(arg), &p);
+ stream->ifmt = av_find_input_format(arg);
+ if (!stream->ifmt) {
+ fprintf(stderr, "%s:%d: Unknown input format: %s\n",
+ filename, line_num, arg);
+ }
+ } else if (!strcasecmp(cmd, "FaviconURL")) {
+ if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
+ get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
+ } else {
+ fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
+ filename, line_num);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "Author")) {
+ if (stream)
+ get_arg(stream->author, sizeof(stream->author), &p);
+ } else if (!strcasecmp(cmd, "Comment")) {
+ if (stream)
+ get_arg(stream->comment, sizeof(stream->comment), &p);
+ } else if (!strcasecmp(cmd, "Copyright")) {
+ if (stream)
+ get_arg(stream->copyright, sizeof(stream->copyright), &p);
+ } else if (!strcasecmp(cmd, "Title")) {
+ if (stream)
+ get_arg(stream->title, sizeof(stream->title), &p);
+ } else if (!strcasecmp(cmd, "Preroll")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ stream->prebuffer = atof(arg) * 1000;
+ } else if (!strcasecmp(cmd, "StartSendOnKey")) {
+ if (stream)
+ stream->send_on_key = 1;
+ } else if (!strcasecmp(cmd, "AudioCodec")) {
+ get_arg(arg, sizeof(arg), &p);
+ audio_id = opt_audio_codec(arg);
+ if (audio_id == CODEC_ID_NONE) {
+ fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "VideoCodec")) {
+ get_arg(arg, sizeof(arg), &p);
+ video_id = opt_video_codec(arg);
+ if (video_id == CODEC_ID_NONE) {
+ fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "MaxTime")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ stream->max_time = atof(arg) * 1000;
} else if (!strcasecmp(cmd, "AudioBitRate")) {
get_arg(arg, sizeof(arg), &p);
- if (stream) {
+ if (stream)
audio_enc.bit_rate = atoi(arg) * 1000;
- }
} else if (!strcasecmp(cmd, "AudioChannels")) {
get_arg(arg, sizeof(arg), &p);
- if (stream) {
+ if (stream)
audio_enc.channels = atoi(arg);
- }
} else if (!strcasecmp(cmd, "AudioSampleRate")) {
get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ audio_enc.sample_rate = atoi(arg);
+ } else if (!strcasecmp(cmd, "AudioQuality")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+// audio_enc.quality = atof(arg) * 1000;
+ }
+ } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
+ if (stream) {
+ int minrate, maxrate;
+
+ get_arg(arg, sizeof(arg), &p);
+
+ if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
+ video_enc.rc_min_rate = minrate * 1000;
+ video_enc.rc_max_rate = maxrate * 1000;
+ } else {
+ fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ }
+ } else if (!strcasecmp(cmd, "Debug")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.debug = strtol(arg,0,0);
+ }
+ } else if (!strcasecmp(cmd, "Strict")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.strict_std_compliance = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "VideoBufferSize")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.rc_buffer_size = atoi(arg) * 8*1024;
+ }
+ } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
if (stream) {
- audio_enc.rate = atoi(arg);
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.bit_rate_tolerance = atoi(arg) * 1000;
}
} else if (!strcasecmp(cmd, "VideoBitRate")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
video_enc.bit_rate = atoi(arg) * 1000;
}
+ } else if (!strcasecmp(cmd, "VideoSize")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
+ if ((video_enc.width % 16) != 0 ||
+ (video_enc.height % 16) != 0) {
+ fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
+ filename, line_num);
+ errors++;
+ }
+ }
} else if (!strcasecmp(cmd, "VideoFrameRate")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
- video_enc.rate = atoi(arg);
+ video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
+ video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
}
} else if (!strcasecmp(cmd, "VideoGopSize")) {
get_arg(arg, sizeof(arg), &p);
- if (stream) {
+ if (stream)
video_enc.gop_size = atoi(arg);
- }
} else if (!strcasecmp(cmd, "VideoIntraOnly")) {
- if (stream) {
+ if (stream)
video_enc.gop_size = 1;
+ } else if (!strcasecmp(cmd, "VideoHighQuality")) {
+ if (stream)
+ video_enc.mb_decision = FF_MB_DECISION_BITS;
+ } else if (!strcasecmp(cmd, "Video4MotionVector")) {
+ if (stream) {
+ video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
+ video_enc.flags |= CODEC_FLAG_4MV;
+ }
+ } else if (!strcasecmp(cmd, "VideoTag")) {
+ get_arg(arg, sizeof(arg), &p);
+ if ((strlen(arg) == 4) && stream)
+ video_enc.codec_tag = ff_get_fourcc(arg);
+ } else if (!strcasecmp(cmd, "BitExact")) {
+ if (stream)
+ video_enc.flags |= CODEC_FLAG_BITEXACT;
+ } else if (!strcasecmp(cmd, "DctFastint")) {
+ if (stream)
+ video_enc.dct_algo = FF_DCT_FASTINT;
+ } else if (!strcasecmp(cmd, "IdctSimple")) {
+ if (stream)
+ video_enc.idct_algo = FF_IDCT_SIMPLE;
+ } else if (!strcasecmp(cmd, "Qscale")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.flags |= CODEC_FLAG_QSCALE;
+ video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "VideoQDiff")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.max_qdiff = atoi(arg);
+ if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
+ fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
+ filename, line_num);
+ errors++;
+ }
+ }
+ } else if (!strcasecmp(cmd, "VideoQMax")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.qmax = atoi(arg);
+ if (video_enc.qmax < 1 || video_enc.qmax > 31) {
+ fprintf(stderr, "%s:%d: VideoQMax out of range\n",
+ filename, line_num);
+ errors++;
+ }
+ }
+ } else if (!strcasecmp(cmd, "VideoQMin")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.qmin = atoi(arg);
+ if (video_enc.qmin < 1 || video_enc.qmin > 31) {
+ fprintf(stderr, "%s:%d: VideoQMin out of range\n",
+ filename, line_num);
+ errors++;
+ }
+ }
+ } else if (!strcasecmp(cmd, "LumaElim")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ video_enc.luma_elim_threshold = atoi(arg);
+ } else if (!strcasecmp(cmd, "ChromaElim")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ video_enc.chroma_elim_threshold = atoi(arg);
+ } else if (!strcasecmp(cmd, "LumiMask")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ video_enc.lumi_masking = atof(arg);
+ } else if (!strcasecmp(cmd, "DarkMask")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ video_enc.dark_masking = atof(arg);
+ } else if (!strcasecmp(cmd, "NoVideo")) {
+ video_id = CODEC_ID_NONE;
+ } else if (!strcasecmp(cmd, "NoAudio")) {
+ audio_id = CODEC_ID_NONE;
+ } else if (!strcasecmp(cmd, "ACL")) {
+ IPAddressACL acl;
+
+ get_arg(arg, sizeof(arg), &p);
+ if (strcasecmp(arg, "allow") == 0)
+ acl.action = IP_ALLOW;
+ else if (strcasecmp(arg, "deny") == 0)
+ acl.action = IP_DENY;
+ else {
+ fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
+ filename, line_num, arg);
+ errors++;
+ }
+
+ get_arg(arg, sizeof(arg), &p);
+
+ if (resolve_host(&acl.first, arg) != 0) {
+ fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
+ filename, line_num, arg);
+ errors++;
+ } else
+ acl.last = acl.first;
+
+ get_arg(arg, sizeof(arg), &p);
+
+ if (arg[0]) {
+ if (resolve_host(&acl.last, arg) != 0) {
+ fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ }
+
+ if (!errors) {
+ IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
+ IPAddressACL **naclp = 0;
+
+ acl.next = 0;
+ *nacl = acl;
+
+ if (stream)
+ naclp = &stream->acl;
+ else if (feed)
+ naclp = &feed->acl;
+ else {
+ fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
+ filename, line_num);
+ errors++;
+ }
+
+ if (naclp) {
+ while (*naclp)
+ naclp = &(*naclp)->next;
+
+ *naclp = nacl;
+ }
+ }
+ } else if (!strcasecmp(cmd, "RTSPOption")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ av_freep(&stream->rtsp_option);
+ stream->rtsp_option = av_strdup(arg);
}
+ } else if (!strcasecmp(cmd, "MulticastAddress")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ if (resolve_host(&stream->multicast_ip, arg) != 0) {
+ fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ stream->is_multicast = 1;
+ stream->loop = 1; /* default is looping */
+ }
+ } else if (!strcasecmp(cmd, "MulticastPort")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ stream->multicast_port = atoi(arg);
+ } else if (!strcasecmp(cmd, "MulticastTTL")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream)
+ stream->multicast_ttl = atoi(arg);
+ } else if (!strcasecmp(cmd, "NoLoop")) {
+ if (stream)
+ stream->loop = 0;
} else if (!strcasecmp(cmd, "</Stream>")) {
if (!stream) {
fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
filename, line_num);
errors++;
}
- if (stream->fmt) {
- if (stream->fmt->audio_codec != CODEC_ID_NONE) {
- stream->audio_enc = add_codec(stream->fmt->audio_codec,
- &audio_enc);
+ if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
+ if (audio_id != CODEC_ID_NONE) {
+ audio_enc.codec_type = CODEC_TYPE_AUDIO;
+ audio_enc.codec_id = audio_id;
+ add_codec(stream, &audio_enc);
+ }
+ if (video_id != CODEC_ID_NONE) {
+ video_enc.codec_type = CODEC_TYPE_VIDEO;
+ video_enc.codec_id = video_id;
+ add_codec(stream, &video_enc);
}
-
- if (stream->fmt->video_codec != CODEC_ID_NONE)
- stream->video_enc = add_codec(stream->fmt->video_codec,
- &video_enc);
}
stream = NULL;
+ } else if (!strcasecmp(cmd, "<Redirect")) {
+ /*********************************************/
+ char *q;
+ if (stream || feed || redirect) {
+ fprintf(stderr, "%s:%d: Already in a tag\n",
+ filename, line_num);
+ errors++;
+ } else {
+ redirect = av_mallocz(sizeof(FFStream));
+ *last_stream = redirect;
+ last_stream = &redirect->next;
+
+ get_arg(redirect->filename, sizeof(redirect->filename), &p);
+ q = strrchr(redirect->filename, '>');
+ if (*q)
+ *q = '\0';
+ redirect->stream_type = STREAM_TYPE_REDIRECT;
+ }
+ } else if (!strcasecmp(cmd, "URL")) {
+ if (redirect)
+ get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
+ } else if (!strcasecmp(cmd, "</Redirect>")) {
+ if (!redirect) {
+ fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
+ filename, line_num);
+ errors++;
+ }
+ if (!redirect->feed_filename[0]) {
+ fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
+ filename, line_num);
+ errors++;
+ }
+ redirect = NULL;
+ } else if (!strcasecmp(cmd, "LoadModule")) {
+ get_arg(arg, sizeof(arg), &p);
+#ifdef HAVE_DLOPEN
+ load_module(arg);
+#else
+ fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
+ filename, line_num, arg);
+ errors++;
+#endif
} else {
- fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
+ fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
filename, line_num, cmd);
errors++;
}
return 0;
}
-
-void *http_server_thread(void *arg)
-{
- http_server(my_addr);
- return NULL;
-}
-
-static void write_packet(FFCodec *ffenc,
- UINT8 *buf, int size)
+static void show_help(void)
{
- PacketHeader hdr;
- AVEncodeContext *enc = &ffenc->enc;
- UINT8 *wptr;
- mk_header(&hdr, enc, size);
- wptr = http_fifo.wptr;
- fifo_write(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &wptr);
- fifo_write(&http_fifo, buf, size, &wptr);
- /* atomic modification of wptr */
- http_fifo.wptr = wptr;
- ffenc->data_count += size;
- ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
+ printf("usage: ffserver [-L] [-h] [-f configfile]\n"
+ "Hyper fast multi format Audio/Video streaming server\n"
+ "\n"
+ "-L : print the LICENSE\n"
+ "-h : this help\n"
+ "-f configfile : use configfile instead of /etc/ffserver.conf\n"
+ );
}
-#define AUDIO_FIFO_SIZE 8192
-
-int av_grab(void)
+static void handle_child_exit(int sig)
{
- UINT8 audio_buf[AUDIO_FIFO_SIZE/2];
- UINT8 audio_buf1[AUDIO_FIFO_SIZE/2];
- UINT8 audio_out[AUDIO_FIFO_SIZE/2];
- UINT8 video_buffer[128*1024];
- char buf[256];
- short *samples;
- int ret;
- int audio_fd;
- FFCodec *ffenc;
- AVEncodeContext *enc;
- int frame_size, frame_bytes;
- int use_audio, use_video;
- int frame_rate, sample_rate, channels;
- int width, height, frame_number;
- UINT8 *picture[3];
-
- use_audio = 0;
- use_video = 0;
- frame_rate = 0;
- sample_rate = 0;
- frame_size = 0;
- channels = 1;
- width = 0;
- height = 0;
- frame_number = 0;
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- avencoder_string(buf, sizeof(buf), enc);
- fprintf(stderr, " %s\n", buf);
- if (avencoder_open(enc, enc->codec) < 0) {
- fprintf(stderr, "Incorrect encode parameters\n");
- return -1;
- }
- switch(enc->codec->type) {
- case CODEC_TYPE_AUDIO:
- use_audio = 1;
- if (enc->rate > sample_rate)
- sample_rate = enc->rate;
- if (enc->frame_size > frame_size)
- frame_size = enc->frame_size;
- if (enc->channels > channels)
- channels = enc->channels;
- fifo_init(&ffenc->fifo, AUDIO_FIFO_SIZE);
- break;
- case CODEC_TYPE_VIDEO:
- use_video = 1;
- if (enc->rate > frame_rate)
- frame_rate = enc->rate;
- if (enc->width > width)
- width = enc->width;
- if (enc->height > height)
- height = enc->height;
- break;
- }
- ffenc = ffenc->next;
- }
+ pid_t pid;
+ int status;
- /* audio */
- samples = NULL;
- audio_fd = -1;
- if (use_audio) {
- printf("Audio sampling: %d Hz, %s\n",
- sample_rate, channels == 2 ? "stereo" : "mono");
- audio_fd = audio_open(sample_rate, channels);
- if (audio_fd < 0) {
- fprintf(stderr, "Could not open audio device\n");
- exit(1);
- }
- }
-
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- if (enc->codec->type == CODEC_TYPE_AUDIO &&
- (enc->channels != channels ||
- enc->rate != sample_rate)) {
- audio_resample_init(&ffenc->resample, enc->channels, channels,
- enc->rate, sample_rate);
- }
- ffenc = ffenc->next;
- }
+ while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
+ FFStream *feed;
- /* video */
- if (use_video) {
- printf("Video sampling: %dx%d, %d fps\n",
- width, height, frame_rate);
- ret = v4l_init(frame_rate, width, height);
- if (ret < 0) {
- fprintf(stderr,"Could not init video 4 linux capture\n");
- exit(1);
- }
- }
+ for (feed = first_feed; feed; feed = feed->next) {
+ if (feed->pid == pid) {
+ int uptime = time(0) - feed->pid_start;
- for(;;) {
- /* read & compress audio frames */
- if (use_audio) {
- int ret, nb_samples, nb_samples_out;
- UINT8 *buftmp;
-
- for(;;) {
- ret = read(audio_fd, audio_buf, AUDIO_FIFO_SIZE/2);
- if (ret <= 0)
- break;
- /* fill each codec fifo by doing the right sample
- rate conversion. This is not optimal because we
- do too much work, but it is easy to do */
- nb_samples = ret / (channels * 2);
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- if (enc->codec->type == CODEC_TYPE_AUDIO) {
- /* rate & stereo convertion */
- if (enc->channels == channels &&
- enc->rate == sample_rate) {
- buftmp = audio_buf;
- nb_samples_out = nb_samples;
- } else {
- buftmp = audio_buf1;
- nb_samples_out = audio_resample(&ffenc->resample,
- (short *)buftmp, (short *)audio_buf,
- nb_samples);
-
- }
- fifo_write(&ffenc->fifo, buftmp, nb_samples_out * enc->channels * 2,
- &ffenc->fifo.wptr);
- }
- ffenc = ffenc->next;
- }
-
- /* compress as many frame as possible with each audio codec */
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- if (enc->codec->type == CODEC_TYPE_AUDIO) {
- frame_bytes = enc->frame_size * 2 * enc->channels;
-
- while (fifo_read(&ffenc->fifo, audio_buf, frame_bytes, &ffenc->fifo.rptr) == 0) {
- ret = avencoder_encode(enc,
- audio_out, sizeof(audio_out), audio_buf);
- write_packet(ffenc, audio_out, ret);
- }
- }
- ffenc = ffenc->next;
- }
- }
- }
+ feed->pid = 0;
+ fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
- if (use_video) {
- ret = v4l_read_picture (picture, width, height,
- frame_number);
- if (ret < 0)
- break;
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- if (enc->codec->type == CODEC_TYPE_VIDEO) {
- int n1, n2;
- /* feed each codec with its requested frame rate */
- n1 = (frame_number * enc->rate) / frame_rate;
- n2 = ((frame_number + 1) * enc->rate) / frame_rate;
- if (n2 > n1) {
- ret = avencoder_encode(enc, video_buffer, sizeof(video_buffer), picture);
- write_packet(ffenc, video_buffer, ret);
- }
- }
- ffenc = ffenc->next;
+ if (uptime < 30)
+ /* Turn off any more restarts */
+ feed->child_argv = 0;
}
- frame_number++;
}
}
-
- ffenc = first_codec;
- while (ffenc != NULL) {
- enc = &ffenc->enc;
- avencoder_close(enc);
- ffenc = ffenc->next;
- }
- close(audio_fd);
- return 0;
-}
-
-
-void help(void)
-{
- printf("ffserver version 1.0, Copyright (c) 2000 Gerard Lantau\n"
- "usage: ffserver [-L] [-h] [-f configfile]\n"
- "Hyper fast multi format Audio/Video streaming server\n"
- "\n"
- "-L : print the LICENCE\n"
- "-h : this help\n"
- "-f configfile : use configfile instead of /etc/ffserver.conf\n"
- );
-}
-void licence(void)
-{
- printf(
- "ffserver version 1.0\n"
- "Copyright (c) 2000 Gerard Lantau\n"
- "This program is free software; you can redistribute it and/or modify\n"
- "it under the terms of the GNU General Public License as published by\n"
- "the Free Software Foundation; either version 2 of the License, or\n"
- "(at your option) any later version.\n"
- "\n"
- "This program is distributed in the hope that it will be useful,\n"
- "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
- "GNU General Public License for more details.\n"
- "\n"
- "You should have received a copy of the GNU General Public License\n"
- "along with this program; if not, write to the Free Software\n"
- "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
- );
+ need_to_start_children = 1;
}
int main(int argc, char **argv)
{
- pthread_t http_server_tid;
const char *config_filename;
int c;
+ struct sigaction sigact;
+
+ av_register_all();
- /* codecs */
- register_avencoder(&ac3_encoder);
- register_avencoder(&mp2_encoder);
- register_avencoder(&mpeg1video_encoder);
- register_avencoder(&h263_encoder);
- register_avencoder(&rv10_encoder);
- register_avencoder(&mjpeg_encoder);
-
- /* audio video formats */
- register_avformat(&mp2_format);
- register_avformat(&ac3_format);
- register_avformat(&mpeg_mux_format);
- register_avformat(&mpeg1video_format);
- register_avformat(&h263_format);
- register_avformat(&rm_format);
- register_avformat(&ra_format);
- register_avformat(&asf_format);
- register_avformat(&mpjpeg_format);
- register_avformat(&jpeg_format);
- register_avformat(&swf_format);
+ show_banner(program_name, program_birth_year);
config_filename = "/etc/ffserver.conf";
+ my_program_name = argv[0];
+ my_program_dir = getcwd(0, 0);
+ ffserver_daemon = 1;
+
for(;;) {
- c = getopt_long_only(argc, argv, "Lh?f:", NULL, NULL);
+ c = getopt(argc, argv, "ndLh?f:");
if (c == -1)
break;
switch(c) {
case 'L':
- licence();
- exit(1);
+ show_license();
+ exit(0);
case '?':
case 'h':
- help();
- exit(1);
+ show_help();
+ exit(0);
+ case 'n':
+ no_launch = 1;
+ break;
+ case 'd':
+ ffserver_debug = 1;
+ ffserver_daemon = 0;
+ break;
case 'f':
config_filename = optarg;
break;
}
}
- /* address on which the server will handle connections */
- my_addr.sin_family = AF_INET;
- my_addr.sin_port = htons (8080);
- my_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+ putenv("http_proxy"); /* Kill the http_proxy */
+
+ av_init_random(av_gettime() + (getpid() << 16), &random_state);
+
+ /* address on which the server will handle HTTP connections */
+ my_http_addr.sin_family = AF_INET;
+ my_http_addr.sin_port = htons (8080);
+ my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+
+ /* address on which the server will handle RTSP connections */
+ my_rtsp_addr.sin_family = AF_INET;
+ my_rtsp_addr.sin_port = htons (5454);
+ my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+
nb_max_connections = 5;
+ max_bandwidth = 1000;
first_stream = NULL;
logfilename[0] = '\0';
+ memset(&sigact, 0, sizeof(sigact));
+ sigact.sa_handler = handle_child_exit;
+ sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
+ sigaction(SIGCHLD, &sigact, 0);
+
if (parse_ffconfig(config_filename) < 0) {
fprintf(stderr, "Incorrect config file - exiting.\n");
exit(1);
}
+ build_file_streams();
+
+ build_feed_streams();
+
+ compute_bandwidth();
+
+ /* put the process in background and detach it from its TTY */
+ if (ffserver_daemon) {
+ int pid;
+
+ pid = fork();
+ if (pid < 0) {
+ perror("fork");
+ exit(1);
+ } else if (pid > 0) {
+ /* parent : exit */
+ exit(0);
+ } else {
+ /* child */
+ setsid();
+ chdir("/");
+ close(0);
+ open("/dev/null", O_RDWR);
+ if (strcmp(logfilename, "-") != 0) {
+ close(1);
+ dup(0);
+ }
+ close(2);
+ dup(0);
+ }
+ }
+
+ /* signal init */
+ signal(SIGPIPE, SIG_IGN);
+
/* open log file if needed */
if (logfilename[0] != '\0') {
if (!strcmp(logfilename, "-"))
logfile = fopen(logfilename, "w");
}
- /* init fifo */
- http_fifo_write_count = 0;
- if (fifo_init(&http_fifo, FIFO_MAX_SIZE) < 0) {
- fprintf(stderr, "Could not allow receive fifo\n");
+ if (http_server() < 0) {
+ fprintf(stderr, "Could not start server\n");
exit(1);
}
- if (master_url[0] == '\0') {
- /* no master server: we grab ourself */
-
- /* launch server thread */
- if (pthread_create(&http_server_tid, NULL,
- http_server_thread, NULL) != 0) {
- fprintf(stderr, "Could not create http server thread\n");
- exit(1);
- }
-
- /* launch the audio / video grab */
- if (av_grab() < 0) {
- fprintf(stderr, "Could not start audio/video grab\n");
- exit(1);
- }
- } else {
- /* master server : no thread are needed */
- if (http_server(my_addr) < 0) {
- fprintf(stderr, "Could start http server\n");
- exit(1);
- }
- }
-
return 0;
}
projects / ffmpeg / blobdiff