#include "avformat.h"
#include <sys/time.h>
-#if HAVE_SYS_SELECT_H
-#include <sys/select.h>
+#if HAVE_POLL_H
+#include <poll.h>
#endif
#include <strings.h>
#include "internal.h"
//#define DEBUG
//#define DEBUG_RTP_TCP
-/* Timeout values for socket select, in ms,
+/* Timeout values for socket poll, in ms,
* and read_packet(), in seconds */
-#define SELECT_TIMEOUT_MS 100
+#define POLL_TIMEOUT_MS 100
#define READ_PACKET_TIMEOUT_S 10
-#define MAX_TIMEOUTS READ_PACKET_TIMEOUT_S * 1000 / SELECT_TIMEOUT_MS
+#define MAX_TIMEOUTS READ_PACKET_TIMEOUT_S * 1000 / POLL_TIMEOUT_MS
#define SDP_MAX_SIZE 16384
#define RECVBUF_SIZE 10 * RTP_MAX_PACKET_LENGTH
/* parse the rtpmap description: <codec_name>/<clock_rate>[/<other params>] */
static int sdp_parse_rtpmap(AVFormatContext *s,
- AVCodecContext *codec, RTSPStream *rtsp_st,
+ AVStream *st, RTSPStream *rtsp_st,
int payload_type, const char *p)
{
+ AVCodecContext *codec = st->codec;
char buf[256];
int i;
AVCodec *c;
codec->channels = RTSP_DEFAULT_NB_AUDIO_CHANNELS;
if (i > 0) {
codec->sample_rate = i;
+ av_set_pts_info(st, 32, 1, codec->sample_rate);
get_word_sep(buf, sizeof(buf), "/", &p);
i = atoi(buf);
if (i > 0)
break;
case AVMEDIA_TYPE_VIDEO:
av_log(s, AV_LOG_DEBUG, "video codec set to: %s\n", c_name);
+ if (i > 0)
+ av_set_pts_info(st, 32, 1, i);
break;
default:
break;
rtsp_st->stream_index = st->index;
st->codec->codec_type = codec_type;
if (rtsp_st->sdp_payload_type < RTP_PT_PRIVATE) {
+ RTPDynamicProtocolHandler *handler;
/* if standard payload type, we can find the codec right now */
ff_rtp_get_codec_info(st->codec, rtsp_st->sdp_payload_type);
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
+ st->codec->sample_rate > 0)
+ av_set_pts_info(st, 32, 1, st->codec->sample_rate);
+ /* Even static payload types may need a custom depacketizer */
+ handler = ff_rtp_handler_find_by_id(
+ rtsp_st->sdp_payload_type, st->codec->codec_type);
+ init_rtp_handler(handler, rtsp_st, st->codec);
}
}
/* put a default control url */
payload_type = atoi(buf1);
st = s->streams[s->nb_streams - 1];
rtsp_st = st->priv_data;
- sdp_parse_rtpmap(s, st->codec, rtsp_st, payload_type, p);
+ sdp_parse_rtpmap(s, st, rtsp_st, payload_type, p);
} else if (av_strstart(p, "fmtp:", &p) ||
av_strstart(p, "framesize:", &p)) {
/* NOTE: fmtp is only supported AFTER the 'a=rtpmap:xxx' tag */
} else if (av_strstart(p, "IsRealDataType:integer;",&p)) {
if (atoi(p) == 1)
rt->transport = RTSP_TRANSPORT_RDT;
+ } else if (av_strstart(p, "SampleRate:integer;", &p) &&
+ s->nb_streams > 0) {
+ st = s->streams[s->nb_streams - 1];
+ st->codec->sample_rate = atoi(p);
} else {
if (rt->server_type == RTSP_SERVER_WMS)
ff_wms_parse_sdp_a_line(s, p);
}
}
+/**
+ * Parse the sdp description and allocate the rtp streams and the
+ * pollfd array used for udp ones.
+ */
+
int ff_sdp_parse(AVFormatContext *s, const char *content)
{
+ RTSPState *rt = s->priv_data;
const char *p;
int letter;
/* Some SDP lines, particularly for Realmedia or ASF RTSP streams,
if (*p == '\n')
p++;
}
+ rt->p = av_malloc(sizeof(struct pollfd)*2*(rt->nb_rtsp_streams+1));
+ if (!rt->p) return AVERROR(ENOMEM);
return 0;
}
#endif /* CONFIG_RTPDEC */
+void ff_rtsp_undo_setup(AVFormatContext *s)
+{
+ RTSPState *rt = s->priv_data;
+ int i;
+
+ for (i = 0; i < rt->nb_rtsp_streams; i++) {
+ RTSPStream *rtsp_st = rt->rtsp_streams[i];
+ if (!rtsp_st)
+ continue;
+ if (rtsp_st->transport_priv) {
+ if (s->oformat) {
+ AVFormatContext *rtpctx = rtsp_st->transport_priv;
+ av_write_trailer(rtpctx);
+ if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
+ uint8_t *ptr;
+ url_close_dyn_buf(rtpctx->pb, &ptr);
+ av_free(ptr);
+ } else {
+ url_fclose(rtpctx->pb);
+ }
+ av_metadata_free(&rtpctx->streams[0]->metadata);
+ av_metadata_free(&rtpctx->metadata);
+ av_free(rtpctx->streams[0]);
+ av_free(rtpctx);
+ } else if (rt->transport == RTSP_TRANSPORT_RDT && CONFIG_RTPDEC)
+ ff_rdt_parse_close(rtsp_st->transport_priv);
+ else if (CONFIG_RTPDEC)
+ rtp_parse_close(rtsp_st->transport_priv);
+ }
+ rtsp_st->transport_priv = NULL;
+ if (rtsp_st->rtp_handle)
+ url_close(rtsp_st->rtp_handle);
+ rtsp_st->rtp_handle = NULL;
+ }
+}
+
/* close and free RTSP streams */
void ff_rtsp_close_streams(AVFormatContext *s)
{
int i;
RTSPStream *rtsp_st;
+ ff_rtsp_undo_setup(s);
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st) {
- if (rtsp_st->transport_priv) {
- if (s->oformat) {
- AVFormatContext *rtpctx = rtsp_st->transport_priv;
- av_write_trailer(rtpctx);
- if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
- uint8_t *ptr;
- url_close_dyn_buf(rtpctx->pb, &ptr);
- av_free(ptr);
- } else {
- url_fclose(rtpctx->pb);
- }
- av_metadata_free(&rtpctx->streams[0]->metadata);
- av_metadata_free(&rtpctx->metadata);
- av_free(rtpctx->streams[0]);
- av_free(rtpctx);
- } else if (rt->transport == RTSP_TRANSPORT_RDT && CONFIG_RTPDEC)
- ff_rdt_parse_close(rtsp_st->transport_priv);
- else if (CONFIG_RTPDEC)
- rtp_parse_close(rtsp_st->transport_priv);
- }
- if (rtsp_st->rtp_handle)
- url_close(rtsp_st->rtp_handle);
if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)
rtsp_st->dynamic_handler->close(
rtsp_st->dynamic_protocol_context);
av_close_input_stream (rt->asf_ctx);
rt->asf_ctx = NULL;
}
+ av_free(rt->p);
av_free(rt->recvbuf);
}
}
}
+static void handle_rtp_info(RTSPState *rt, const char *url,
+ uint32_t seq, uint32_t rtptime)
+{
+ int i;
+ if (!rtptime || !url[0])
+ return;
+ if (rt->transport != RTSP_TRANSPORT_RTP)
+ return;
+ for (i = 0; i < rt->nb_rtsp_streams; i++) {
+ RTSPStream *rtsp_st = rt->rtsp_streams[i];
+ RTPDemuxContext *rtpctx = rtsp_st->transport_priv;
+ if (!rtpctx)
+ continue;
+ if (!strcmp(rtsp_st->control_url, url)) {
+ rtpctx->base_timestamp = rtptime;
+ break;
+ }
+ }
+}
+
+static void rtsp_parse_rtp_info(RTSPState *rt, const char *p)
+{
+ int read = 0;
+ char key[20], value[1024], url[1024] = "";
+ uint32_t seq = 0, rtptime = 0;
+
+ for (;;) {
+ p += strspn(p, SPACE_CHARS);
+ if (!*p)
+ break;
+ get_word_sep(key, sizeof(key), "=", &p);
+ if (*p != '=')
+ break;
+ p++;
+ get_word_sep(value, sizeof(value), ";, ", &p);
+ read++;
+ if (!strcmp(key, "url"))
+ av_strlcpy(url, value, sizeof(url));
+ else if (!strcmp(key, "seq"))
+ seq = strtol(value, NULL, 10);
+ else if (!strcmp(key, "rtptime"))
+ rtptime = strtol(value, NULL, 10);
+ if (*p == ',') {
+ handle_rtp_info(rt, url, seq, rtptime);
+ url[0] = '\0';
+ seq = rtptime = 0;
+ read = 0;
+ }
+ if (*p)
+ p++;
+ }
+ if (read > 0)
+ handle_rtp_info(rt, url, seq, rtptime);
+}
+
void ff_rtsp_parse_line(RTSPMessageHeader *reply, const char *buf,
- HTTPAuthState *auth_state)
+ RTSPState *rt, const char *method)
{
const char *p;
} else if (av_stristart(p, "Location:", &p)) {
p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->location, p , sizeof(reply->location));
- } else if (av_stristart(p, "WWW-Authenticate:", &p) && auth_state) {
+ } else if (av_stristart(p, "WWW-Authenticate:", &p) && rt) {
p += strspn(p, SPACE_CHARS);
- ff_http_auth_handle_header(auth_state, "WWW-Authenticate", p);
- } else if (av_stristart(p, "Authentication-Info:", &p) && auth_state) {
+ ff_http_auth_handle_header(&rt->auth_state, "WWW-Authenticate", p);
+ } else if (av_stristart(p, "Authentication-Info:", &p) && rt) {
p += strspn(p, SPACE_CHARS);
- ff_http_auth_handle_header(auth_state, "Authentication-Info", p);
- } else if (av_stristart(p, "Content-Base:", &p)) {
+ ff_http_auth_handle_header(&rt->auth_state, "Authentication-Info", p);
+ } else if (av_stristart(p, "Content-Base:", &p) && rt) {
p += strspn(p, SPACE_CHARS);
- av_strlcpy(reply->content_base, p , sizeof(reply->content_base));
+ if (method && !strcmp(method, "DESCRIBE"))
+ av_strlcpy(rt->control_uri, p , sizeof(rt->control_uri));
+ } else if (av_stristart(p, "RTP-Info:", &p) && rt) {
+ p += strspn(p, SPACE_CHARS);
+ if (method && !strcmp(method, "PLAY"))
+ rtsp_parse_rtp_info(rt, p);
}
}
int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply,
unsigned char **content_ptr,
- int return_on_interleaved_data)
+ int return_on_interleaved_data, const char *method)
{
RTSPState *rt = s->priv_data;
char buf[4096], buf1[1024], *q;
reply->status_code = atoi(buf1);
av_strlcpy(reply->reason, p, sizeof(reply->reason));
} else {
- ff_rtsp_parse_line(reply, p, &rt->auth_state);
+ ff_rtsp_parse_line(reply, p, rt, method);
av_strlcat(rt->last_reply, p, sizeof(rt->last_reply));
av_strlcat(rt->last_reply, "\n", sizeof(rt->last_reply));
}
return 0;
}
-int ff_rtsp_send_cmd_with_content_async(AVFormatContext *s,
- const char *method, const char *url,
- const char *headers,
- const unsigned char *send_content,
- int send_content_length)
+/**
+ * Send a command to the RTSP server without waiting for the reply.
+ *
+ * @param s RTSP (de)muxer context
+ * @param method the method for the request
+ * @param url the target url for the request
+ * @param headers extra header lines to include in the request
+ * @param send_content if non-null, the data to send as request body content
+ * @param send_content_length the length of the send_content data, or 0 if
+ * send_content is null
+ *
+ * @return zero if success, nonzero otherwise
+ */
+static int ff_rtsp_send_cmd_with_content_async(AVFormatContext *s,
+ const char *method, const char *url,
+ const char *headers,
+ const unsigned char *send_content,
+ int send_content_length)
{
RTSPState *rt = s->priv_data;
char buf[4096], *out_buf;
send_content_length)))
return ret;
- if ((ret = ff_rtsp_read_reply(s, reply, content_ptr, 0) ) < 0)
+ if ((ret = ff_rtsp_read_reply(s, reply, content_ptr, 0, method) ) < 0)
return ret;
if (reply->status_code == 401 && cur_auth_type == HTTP_AUTH_NONE &&
/**
* @return 0 on success, <0 on error, 1 if protocol is unavailable.
*/
-static int make_setup_request(AVFormatContext *s, const char *host, int port,
+int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
int lower_transport, const char *real_challenge)
{
RTSPState *rt = s->priv_data;
err = AVERROR_INVALIDDATA;
goto fail;
}
+#else
+ av_log(s, AV_LOG_ERROR, "Unable to open an input RTP port\n");
+ err = AVERROR(EIO);
+ goto fail;
#endif
rtp_opened:
rt->transport = reply->transports[0].transport;
}
- /* close RTP connection if not chosen */
- if (reply->transports[0].lower_transport != RTSP_LOWER_TRANSPORT_UDP &&
- (lower_transport == RTSP_LOWER_TRANSPORT_UDP)) {
- url_close(rtsp_st->rtp_handle);
- rtsp_st->rtp_handle = NULL;
+ /* Fail if the server responded with another lower transport mode
+ * than what we requested. */
+ if (reply->transports[0].lower_transport != lower_transport) {
+ av_log(s, AV_LOG_ERROR, "Nonmatching transport in server reply\n");
+ err = AVERROR_INVALIDDATA;
+ goto fail;
}
switch(reply->transports[0].lower_transport) {
break;
case RTSP_LOWER_TRANSPORT_UDP: {
- char url[1024];
+ char url[1024], options[30] = "";
+ if (rt->filter_source)
+ av_strlcpy(options, "?connect=1", sizeof(options));
/* Use source address if specified */
if (reply->transports[0].source[0]) {
ff_url_join(url, sizeof(url), "rtp", NULL,
reply->transports[0].source,
- reply->transports[0].server_port_min, NULL);
+ reply->transports[0].server_port_min, options);
} else {
ff_url_join(url, sizeof(url), "rtp", NULL, host,
- reply->transports[0].server_port_min, NULL);
+ reply->transports[0].server_port_min, options);
}
if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) &&
rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) {
return 0;
fail:
- for (i = 0; i < rt->nb_rtsp_streams; i++) {
- if (rt->rtsp_streams[i]->rtp_handle) {
- url_close(rt->rtsp_streams[i]->rtp_handle);
- rt->rtsp_streams[i]->rtp_handle = NULL;
- }
- }
+ ff_rtsp_undo_setup(s);
return err;
}
int port, err, tcp_fd;
RTSPMessageHeader reply1 = {0}, *reply = &reply1;
int lower_transport_mask = 0;
- char real_challenge[64];
+ char real_challenge[64] = "";
struct sockaddr_storage peer;
socklen_t peer_len = sizeof(peer);
} else if(!strcmp(option, "http")) {
lower_transport_mask |= (1<< RTSP_LOWER_TRANSPORT_TCP);
rt->control_transport = RTSP_MODE_TUNNEL;
+ } else if (!strcmp(option, "filter_src")) {
+ rt->filter_source = 1;
} else {
/* Write options back into the buffer, using memmove instead
* of strcpy since the strings may overlap. */
int lower_transport = ff_log2_tab[lower_transport_mask &
~(lower_transport_mask - 1)];
- err = make_setup_request(s, host, port, lower_transport,
+ err = ff_rtsp_make_setup_request(s, host, port, lower_transport,
rt->server_type == RTSP_SERVER_REAL ?
real_challenge : NULL);
if (err < 0)
}
} while (err);
+ rt->lower_transport_mask = lower_transport_mask;
+ av_strlcpy(rt->real_challenge, real_challenge, sizeof(rt->real_challenge));
rt->state = RTSP_STATE_IDLE;
rt->seek_timestamp = 0; /* default is to start stream at position zero */
return 0;
{
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
- fd_set rfds;
- int fd, fd_rtcp, fd_max, n, i, ret, tcp_fd, timeout_cnt = 0;
- struct timeval tv;
+ int n, i, ret, tcp_fd, timeout_cnt = 0;
+ int max_p = 0;
+ struct pollfd *p = rt->p;
for (;;) {
if (url_interrupt_cb())
return AVERROR(EINTR);
if (wait_end && wait_end - av_gettime() < 0)
return AVERROR(EAGAIN);
- FD_ZERO(&rfds);
+ max_p = 0;
if (rt->rtsp_hd) {
- tcp_fd = fd_max = url_get_file_handle(rt->rtsp_hd);
- FD_SET(tcp_fd, &rfds);
+ tcp_fd = url_get_file_handle(rt->rtsp_hd);
+ p[max_p].fd = tcp_fd;
+ p[max_p++].events = POLLIN;
} else {
- fd_max = 0;
tcp_fd = -1;
}
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st->rtp_handle) {
- fd = url_get_file_handle(rtsp_st->rtp_handle);
- fd_rtcp = rtp_get_rtcp_file_handle(rtsp_st->rtp_handle);
- if (FFMAX(fd, fd_rtcp) > fd_max)
- fd_max = FFMAX(fd, fd_rtcp);
- FD_SET(fd, &rfds);
- FD_SET(fd_rtcp, &rfds);
+ p[max_p].fd = url_get_file_handle(rtsp_st->rtp_handle);
+ p[max_p++].events = POLLIN;
+ p[max_p].fd = rtp_get_rtcp_file_handle(rtsp_st->rtp_handle);
+ p[max_p++].events = POLLIN;
}
}
- tv.tv_sec = 0;
- tv.tv_usec = SELECT_TIMEOUT_MS * 1000;
- n = select(fd_max + 1, &rfds, NULL, NULL, &tv);
+ n = poll(p, max_p, POLL_TIMEOUT_MS);
if (n > 0) {
+ int j = 1 - (tcp_fd == -1);
timeout_cnt = 0;
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st->rtp_handle) {
- fd = url_get_file_handle(rtsp_st->rtp_handle);
- fd_rtcp = rtp_get_rtcp_file_handle(rtsp_st->rtp_handle);
- if (FD_ISSET(fd_rtcp, &rfds) || FD_ISSET(fd, &rfds)) {
+ if (p[j].revents & POLLIN || p[j+1].revents & POLLIN) {
ret = url_read(rtsp_st->rtp_handle, buf, buf_size);
if (ret > 0) {
*prtsp_st = rtsp_st;
return ret;
}
}
+ j+=2;
}
}
#if CONFIG_RTSP_DEMUXER
- if (tcp_fd != -1 && FD_ISSET(tcp_fd, &rfds)) {
+ if (tcp_fd != -1 && p[0].revents & POLLIN) {
RTSPMessageHeader reply;
- ret = ff_rtsp_read_reply(s, &reply, NULL, 0);
+ ret = ff_rtsp_read_reply(s, &reply, NULL, 0, NULL);
if (ret < 0)
return ret;
/* XXX: parse message */
int64_t first_queue_time = 0;
for (i = 0; i < rt->nb_rtsp_streams; i++) {
RTPDemuxContext *rtpctx = rt->rtsp_streams[i]->transport_priv;
- int64_t queue_time = ff_rtp_queued_packet_time(rtpctx);
+ int64_t queue_time;
+ if (!rtpctx)
+ continue;
+ queue_time = ff_rtp_queued_packet_time(rtpctx);
if (queue_time && (queue_time - first_queue_time < 0 ||
!first_queue_time)) {
first_queue_time = queue_time;
* in order to map their timestamp origin to the same ntp time
* as this one. */
int i;
+ AVStream *st = NULL;
+ if (rtsp_st->stream_index >= 0)
+ st = s->streams[rtsp_st->stream_index];
for (i = 0; i < rt->nb_rtsp_streams; i++) {
RTPDemuxContext *rtpctx2 = rt->rtsp_streams[i]->transport_priv;
- if (rtpctx2 &&
- rtpctx2->first_rtcp_ntp_time == AV_NOPTS_VALUE)
+ AVStream *st2 = NULL;
+ if (rt->rtsp_streams[i]->stream_index >= 0)
+ st2 = s->streams[rt->rtsp_streams[i]->stream_index];
+ if (rtpctx2 && st && st2 &&
+ rtpctx2->first_rtcp_ntp_time == AV_NOPTS_VALUE) {
rtpctx2->first_rtcp_ntp_time = rtpctx->first_rtcp_ntp_time;
+ rtpctx2->rtcp_ts_offset = av_rescale_q(
+ rtpctx->rtcp_ts_offset, st->time_base,
+ st2->time_base);
+ }
}
}
if (ret == -RTCP_BYE) {
return 0;
}
-AVInputFormat sdp_demuxer = {
+AVInputFormat ff_sdp_demuxer = {
"sdp",
NULL_IF_CONFIG_SMALL("SDP"),
sizeof(RTSPState),
return ret;
}
-AVInputFormat rtp_demuxer = {
+AVInputFormat ff_rtp_demuxer = {
"rtp",
NULL_IF_CONFIG_SMALL("RTP input format"),
sizeof(RTSPState),
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