/* needed by inet_aton() */
#define _SVID_SOURCE
+#include "libavutil/base64.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
//#define DEBUG
//#define DEBUG_RTP_TCP
-static int rtsp_read_play(AVFormatContext *s);
-
#if LIBAVFORMAT_VERSION_INT < (53 << 16)
int rtsp_default_protocols = (1 << RTSP_LOWER_TRANSPORT_UDP);
#endif
-static int rtsp_probe(AVProbeData *p)
-{
- if (av_strstart(p->filename, "rtsp:", NULL))
- return AVPROBE_SCORE_MAX;
- return 0;
-}
-
#define SPACE_CHARS " \t\r\n"
/* we use memchr() instead of strchr() here because strchr() will return
* the terminating '\0' of SPACE_CHARS instead of NULL if c is '\0'. */
}
}
-/** Parse a string \p in the form of Range:npt=xx-xx, and determine the start
+/** Parse a string p in the form of Range:npt=xx-xx, and determine the start
* and end time.
* Used for seeking in the rtp stream.
*/
return 0;
}
+/* close and free RTSP streams */
+static void rtsp_close_streams(RTSPState *rt)
+{
+ int i;
+ RTSPStream *rtsp_st;
+
+ for(i=0;i<rt->nb_rtsp_streams;i++) {
+ rtsp_st = rt->rtsp_streams[i];
+ if (rtsp_st) {
+ if (rtsp_st->transport_priv) {
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ ff_rdt_parse_close(rtsp_st->transport_priv);
+ else
+ 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_free(rt->rtsp_streams);
+ if (rt->asf_ctx) {
+ av_close_input_stream (rt->asf_ctx);
+ rt->asf_ctx = NULL;
+ }
+ av_freep(&rt->auth_b64);
+}
+
+static int
+rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
+{
+ RTSPState *rt = s->priv_data;
+ AVStream *st = NULL;
+
+ /* open the RTP context */
+ if (rtsp_st->stream_index >= 0)
+ st = s->streams[rtsp_st->stream_index];
+ if (!st)
+ s->ctx_flags |= AVFMTCTX_NOHEADER;
+
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index,
+ rtsp_st->dynamic_protocol_context,
+ rtsp_st->dynamic_handler);
+ else
+ rtsp_st->transport_priv = rtp_parse_open(s, st, rtsp_st->rtp_handle,
+ rtsp_st->sdp_payload_type,
+ &rtsp_st->rtp_payload_data);
+
+ if (!rtsp_st->transport_priv) {
+ return AVERROR(ENOMEM);
+ } else if (rt->transport != RTSP_TRANSPORT_RDT) {
+ if(rtsp_st->dynamic_handler) {
+ rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv,
+ rtsp_st->dynamic_protocol_context,
+ rtsp_st->dynamic_handler);
+ }
+ }
+
+ return 0;
+}
+
+#if CONFIG_RTSP_DEMUXER
+static int rtsp_probe(AVProbeData *p)
+{
+ if (av_strstart(p->filename, "rtsp:", NULL))
+ return AVPROBE_SCORE_MAX;
+ return 0;
+}
+
static void rtsp_parse_range(int *min_ptr, int *max_ptr, const char **pp)
{
const char *p;
} else if (av_stristart(p, "Server:", &p)) {
skip_spaces(&p);
av_strlcpy(reply->server, p, sizeof(reply->server));
+ } else if (av_stristart(p, "Notice:", &p) ||
+ av_stristart(p, "X-Notice:", &p)) {
+ reply->notice = strtol(p, NULL, 10);
+ } else if (av_stristart(p, "Location:", &p)) {
+ skip_spaces(&p);
+ av_strlcpy(reply->location, p , sizeof(reply->location));
}
}
* @param s RTSP demuxer context
* @param reply pointer where the RTSP message header will be stored
* @param content_ptr pointer where the RTSP message body, if any, will
- * be stored (length is in \p reply)
+ * be stored (length is in reply)
* @param return_on_interleaved_data whether the function may return if we
* encounter a data marker ('$'), which precedes data
* packets over interleaved TCP/RTSP connections. If this
else
av_free(content);
+ /* EOS */
+ if (reply->notice == 2101 /* End-of-Stream Reached */ ||
+ reply->notice == 2104 /* Start-of-Stream Reached */ ||
+ reply->notice == 2306 /* Continuous Feed Terminated */)
+ rt->state = RTSP_STATE_IDLE;
+ else if (reply->notice >= 4400 && reply->notice < 5500)
+ return AVERROR(EIO); /* data or server error */
+ else if (reply->notice == 2401 /* Ticket Expired */ ||
+ (reply->notice >= 5500 && reply->notice < 5600) /* end of term */ )
+ return AVERROR(EPERM);
+
return 0;
}
snprintf(buf1, sizeof(buf1), "Session: %s\r\n", rt->session_id);
av_strlcat(buf, buf1, sizeof(buf));
}
+ if (rt->auth_b64)
+ av_strlcatf(buf, sizeof(buf),
+ "Authorization: Basic %s\r\n",
+ rt->auth_b64);
av_strlcat(buf, "\r\n", sizeof(buf));
dprintf(s, "Sending:\n%s--\n", buf);
rtsp_read_reply(s, reply, content_ptr, 0);
}
-
-/* close and free RTSP streams */
-static void rtsp_close_streams(RTSPState *rt)
-{
- int i;
- RTSPStream *rtsp_st;
-
- for(i=0;i<rt->nb_rtsp_streams;i++) {
- rtsp_st = rt->rtsp_streams[i];
- if (rtsp_st) {
- if (rtsp_st->transport_priv) {
- if (rt->transport == RTSP_TRANSPORT_RDT)
- ff_rdt_parse_close(rtsp_st->transport_priv);
- else
- 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_free(rt->rtsp_streams);
- if (rt->asf_ctx) {
- av_close_input_stream (rt->asf_ctx);
- rt->asf_ctx = NULL;
- }
-}
-
-static int
-rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
-{
- RTSPState *rt = s->priv_data;
- AVStream *st = NULL;
-
- /* open the RTP context */
- if (rtsp_st->stream_index >= 0)
- st = s->streams[rtsp_st->stream_index];
- if (!st)
- s->ctx_flags |= AVFMTCTX_NOHEADER;
-
- if (rt->transport == RTSP_TRANSPORT_RDT)
- rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index,
- rtsp_st->dynamic_protocol_context,
- rtsp_st->dynamic_handler);
- else
- rtsp_st->transport_priv = rtp_parse_open(s, st, rtsp_st->rtp_handle,
- rtsp_st->sdp_payload_type,
- &rtsp_st->rtp_payload_data);
-
- if (!rtsp_st->transport_priv) {
- return AVERROR(ENOMEM);
- } else if (rt->transport != RTSP_TRANSPORT_RDT) {
- if(rtsp_st->dynamic_handler) {
- rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv,
- rtsp_st->dynamic_protocol_context,
- rtsp_st->dynamic_handler);
- }
- }
-
- return 0;
-}
-
/**
* @returns 0 on success, <0 on error, 1 if protocol is unavailable.
*/
{
char url[1024];
struct in_addr in;
-
- in.s_addr = htonl(reply->transports[0].destination);
+ int port, ttl;
+
+ if (reply->transports[0].destination) {
+ in.s_addr = htonl(reply->transports[0].destination);
+ port = reply->transports[0].port_min;
+ ttl = reply->transports[0].ttl;
+ } else {
+ in = rtsp_st->sdp_ip;
+ port = rtsp_st->sdp_port;
+ ttl = rtsp_st->sdp_ttl;
+ }
snprintf(url, sizeof(url), "rtp://%s:%d?ttl=%d",
- inet_ntoa(in),
- reply->transports[0].port_min,
- reply->transports[0].ttl);
+ inet_ntoa(in), port, ttl);
if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
return err;
}
+static int rtsp_read_play(AVFormatContext *s)
+{
+ RTSPState *rt = s->priv_data;
+ RTSPMessageHeader reply1, *reply = &reply1;
+ char cmd[1024];
+
+ av_log(s, AV_LOG_DEBUG, "hello state=%d\n", rt->state);
+
+ if (!(rt->server_type == RTSP_SERVER_REAL && rt->need_subscription)) {
+ if (rt->state == RTSP_STATE_PAUSED) {
+ snprintf(cmd, sizeof(cmd),
+ "PLAY %s RTSP/1.0\r\n",
+ s->filename);
+ } else {
+ snprintf(cmd, sizeof(cmd),
+ "PLAY %s RTSP/1.0\r\n"
+ "Range: npt=%0.3f-\r\n",
+ s->filename,
+ (double)rt->seek_timestamp / AV_TIME_BASE);
+ }
+ rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK) {
+ return -1;
+ }
+ }
+ rt->state = RTSP_STATE_PLAYING;
+ return 0;
+}
+
static int rtsp_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
RTSPState *rt = s->priv_data;
- char host[1024], path[1024], tcpname[1024], cmd[2048], *option_list, *option;
+ char host[1024], path[1024], tcpname[1024], cmd[2048], auth[128];
+ char *option_list, *option, *filename;
URLContext *rtsp_hd;
int port, ret, err;
RTSPMessageHeader reply1, *reply = &reply1;
unsigned char *content = NULL;
int lower_transport_mask = 0;
char real_challenge[64];
-
+ redirect:
/* extract hostname and port */
- url_split(NULL, 0, NULL, 0,
+ url_split(NULL, 0, auth, sizeof(auth),
host, sizeof(host), &port, path, sizeof(path), s->filename);
+ if (*auth) {
+ int auth_len = strlen(auth), b64_len = ((auth_len + 2) / 3) * 4 + 1;
+
+ if (!(rt->auth_b64 = av_malloc(b64_len)))
+ return AVERROR(ENOMEM);
+ if (!av_base64_encode(rt->auth_b64, b64_len, auth, auth_len)) {
+ err = AVERROR(EINVAL);
+ goto fail;
+ }
+ }
if (port < 0)
port = RTSP_DEFAULT_PORT;
/* search for options */
option_list = strchr(path, '?');
if (option_list) {
- /* remove the options from the path */
- *option_list++ = 0;
+ filename = strchr(s->filename, '?');
while(option_list) {
/* move the option pointer */
- option = option_list;
+ option = ++option_list;
option_list = strchr(option_list, '&');
if (option_list)
- *(option_list++) = 0;
+ *option_list = 0;
+
/* handle the options */
if (strcmp(option, "udp") == 0)
lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_UDP);
lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
else if (strcmp(option, "tcp") == 0)
lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_TCP);
+ else {
+ strcpy(++filename, option);
+ filename += strlen(option);
+ if (option_list) *filename = '&';
+ }
}
+ *filename = 0;
}
if (!lower_transport_mask)
/* open the tcp connexion */
snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
- if (url_open(&rtsp_hd, tcpname, URL_RDWR) < 0)
- return AVERROR(EIO);
+ if (url_open(&rtsp_hd, tcpname, URL_RDWR) < 0) {
+ err = AVERROR(EIO);
+ goto fail;
+ }
rt->rtsp_hd = rtsp_hd;
rt->seq = 0;
rtsp_close_streams(rt);
av_freep(&content);
url_close(rt->rtsp_hd);
+ if (reply->status_code >=300 && reply->status_code < 400) {
+ av_strlcpy(s->filename, reply->location, sizeof(s->filename));
+ av_log(s, AV_LOG_INFO, "Status %d: Redirecting to %s\n",
+ reply->status_code,
+ s->filename);
+ goto redirect;
+ }
return err;
}
+static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
+ uint8_t *buf, int buf_size)
+{
+ RTSPState *rt = s->priv_data;
+ RTSPStream *rtsp_st;
+ fd_set rfds;
+ int fd, fd_max, n, i, ret, tcp_fd;
+ struct timeval tv;
+
+ for(;;) {
+ if (url_interrupt_cb())
+ return AVERROR(EINTR);
+ FD_ZERO(&rfds);
+ if (rt->rtsp_hd) {
+ tcp_fd = fd_max = url_get_file_handle(rt->rtsp_hd);
+ FD_SET(tcp_fd, &rfds);
+ } 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) {
+ /* currently, we cannot probe RTCP handle because of
+ * blocking restrictions */
+ fd = url_get_file_handle(rtsp_st->rtp_handle);
+ if (fd > fd_max)
+ fd_max = fd;
+ FD_SET(fd, &rfds);
+ }
+ }
+ tv.tv_sec = 0;
+ tv.tv_usec = 100 * 1000;
+ n = select(fd_max + 1, &rfds, NULL, NULL, &tv);
+ if (n > 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);
+ if (FD_ISSET(fd, &rfds)) {
+ ret = url_read(rtsp_st->rtp_handle, buf, buf_size);
+ if (ret > 0) {
+ *prtsp_st = rtsp_st;
+ return ret;
+ }
+ }
+ }
+ }
+#if CONFIG_RTSP_DEMUXER
+ if (FD_ISSET(tcp_fd, &rfds)) {
+ RTSPMessageHeader reply;
+
+ rtsp_read_reply(s, &reply, NULL, 0);
+ /* XXX: parse message */
+ if (rt->state != RTSP_STATE_PLAYING)
+ return 0;
+ }
+#endif
+ }
+ }
+}
+
static int tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
uint8_t *buf, int buf_size)
{
if (ret == 1) /* received '$' */
break;
/* XXX: parse message */
+ if (rt->state != RTSP_STATE_PLAYING)
+ return 0;
}
ret = url_read_complete(rt->rtsp_hd, buf, 3);
if (ret != 3)
return len;
}
-static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
- uint8_t *buf, int buf_size)
+static int rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
{
RTSPState *rt = s->priv_data;
+ int ret, len;
+ uint8_t buf[10 * RTP_MAX_PACKET_LENGTH];
RTSPStream *rtsp_st;
- fd_set rfds;
- int fd, fd_max, n, i, ret, tcp_fd;
- struct timeval tv;
- for(;;) {
- if (url_interrupt_cb())
- return AVERROR(EINTR);
- FD_ZERO(&rfds);
- if (rt->rtsp_hd) {
- tcp_fd = fd_max = url_get_file_handle(rt->rtsp_hd);
- FD_SET(tcp_fd, &rfds);
+ /* get next frames from the same RTP packet */
+ if (rt->cur_transport_priv) {
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
+ else
+ ret = rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
+ if (ret == 0) {
+ rt->cur_transport_priv = NULL;
+ return 0;
+ } else if (ret == 1) {
+ return 0;
} 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) {
- /* currently, we cannot probe RTCP handle because of
- * blocking restrictions */
- fd = url_get_file_handle(rtsp_st->rtp_handle);
- if (fd > fd_max)
- fd_max = fd;
- FD_SET(fd, &rfds);
- }
+ rt->cur_transport_priv = NULL;
}
- tv.tv_sec = 0;
- tv.tv_usec = 100 * 1000;
- n = select(fd_max + 1, &rfds, NULL, NULL, &tv);
- if (n > 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);
- if (FD_ISSET(fd, &rfds)) {
- ret = url_read(rtsp_st->rtp_handle, buf, buf_size);
- if (ret > 0) {
- *prtsp_st = rtsp_st;
- return ret;
- }
- }
- }
- }
- if (FD_ISSET(tcp_fd, &rfds)) {
- RTSPMessageHeader reply;
+ }
- rtsp_read_reply(s, &reply, NULL, 0);
- /* XXX: parse message */
- }
- }
+ /* read next RTP packet */
+ redo:
+ switch(rt->lower_transport) {
+ default:
+#if CONFIG_RTSP_DEMUXER
+ case RTSP_LOWER_TRANSPORT_TCP:
+ len = tcp_read_packet(s, &rtsp_st, buf, sizeof(buf));
+ break;
+#endif
+ case RTSP_LOWER_TRANSPORT_UDP:
+ case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
+ len = udp_read_packet(s, &rtsp_st, buf, sizeof(buf));
+ if (len >=0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP)
+ rtp_check_and_send_back_rr(rtsp_st->transport_priv, len);
+ break;
+ }
+ if (len < 0)
+ return len;
+ if (len == 0)
+ return AVERROR_EOF;
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
+ else
+ ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
+ if (ret < 0)
+ goto redo;
+ if (ret == 1) {
+ /* more packets may follow, so we save the RTP context */
+ rt->cur_transport_priv = rtsp_st->transport_priv;
}
+
+ return ret;
}
static int rtsp_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
RTSPState *rt = s->priv_data;
- RTSPStream *rtsp_st;
- int ret, len;
- uint8_t buf[10 * RTP_MAX_PACKET_LENGTH];
+ int ret;
RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
}
}
- /* get next frames from the same RTP packet */
- if (rt->cur_transport_priv) {
- if (rt->transport == RTSP_TRANSPORT_RDT)
- ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
- else
- ret = rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
- if (ret == 0) {
- rt->cur_transport_priv = NULL;
- return 0;
- } else if (ret == 1) {
- return 0;
- } else {
- rt->cur_transport_priv = NULL;
- }
- }
-
- /* read next RTP packet */
- redo:
- switch(rt->lower_transport) {
- default:
- case RTSP_LOWER_TRANSPORT_TCP:
- len = tcp_read_packet(s, &rtsp_st, buf, sizeof(buf));
- break;
- case RTSP_LOWER_TRANSPORT_UDP:
- case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
- len = udp_read_packet(s, &rtsp_st, buf, sizeof(buf));
- if (len >=0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP)
- rtp_check_and_send_back_rr(rtsp_st->transport_priv, len);
- break;
- }
- if (len < 0)
- return len;
- if (rt->transport == RTSP_TRANSPORT_RDT)
- ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
- else
- ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
- if (ret < 0)
- goto redo;
- if (ret == 1) {
- /* more packets may follow, so we save the RTP context */
- rt->cur_transport_priv = rtsp_st->transport_priv;
+ ret = rtsp_fetch_packet(s, pkt);
+ if (ret < 0) {
+ return ret;
}
/* send dummy request to keep TCP connection alive */
return 0;
}
-static int rtsp_read_play(AVFormatContext *s)
-{
- RTSPState *rt = s->priv_data;
- RTSPMessageHeader reply1, *reply = &reply1;
- char cmd[1024];
-
- av_log(s, AV_LOG_DEBUG, "hello state=%d\n", rt->state);
-
- if (!(rt->server_type == RTSP_SERVER_REAL && rt->need_subscription)) {
- if (rt->state == RTSP_STATE_PAUSED) {
- snprintf(cmd, sizeof(cmd),
- "PLAY %s RTSP/1.0\r\n",
- s->filename);
- } else {
- snprintf(cmd, sizeof(cmd),
- "PLAY %s RTSP/1.0\r\n"
- "Range: npt=%0.3f-\r\n",
- s->filename,
- (double)rt->seek_timestamp / AV_TIME_BASE);
- }
- rtsp_send_cmd(s, cmd, reply, NULL);
- if (reply->status_code != RTSP_STATUS_OK) {
- return -1;
- }
- }
- rt->state = RTSP_STATE_PLAYING;
- return 0;
-}
-
/* pause the stream */
static int rtsp_read_pause(AVFormatContext *s)
{
return 0;
}
-#if CONFIG_RTSP_DEMUXER
AVInputFormat rtsp_demuxer = {
"rtsp",
NULL_IF_CONFIG_SMALL("RTSP input format"),
return err;
}
-static int sdp_read_packet(AVFormatContext *s,
- AVPacket *pkt)
-{
- return rtsp_read_packet(s, pkt);
-}
-
static int sdp_read_close(AVFormatContext *s)
{
RTSPState *rt = s->priv_data;
return 0;
}
-#if CONFIG_SDP_DEMUXER
AVInputFormat sdp_demuxer = {
"sdp",
NULL_IF_CONFIG_SMALL("SDP"),
sizeof(RTSPState),
sdp_probe,
sdp_read_header,
- sdp_read_packet,
+ rtsp_fetch_packet,
sdp_read_close,
};
-#endif
-
-#if CONFIG_REDIR_DEMUXER
-/* dummy redirector format (used directly in av_open_input_file now) */
-static int redir_probe(AVProbeData *pd)
-{
- const char *p;
- p = pd->buf;
- skip_spaces(&p);
- if (av_strstart(p, "http://", NULL) ||
- av_strstart(p, "rtsp://", NULL))
- return AVPROBE_SCORE_MAX;
- return 0;
-}
-
-static int redir_read_header(AVFormatContext *s, AVFormatParameters *ap)
-{
- char buf[4096], *q;
- int c;
- AVFormatContext *ic = NULL;
- ByteIOContext *f = s->pb;
-
- /* parse each URL and try to open it */
- c = url_fgetc(f);
- while (c != URL_EOF) {
- /* skip spaces */
- for(;;) {
- if (!redir_isspace(c))
- break;
- c = url_fgetc(f);
- }
- if (c == URL_EOF)
- break;
- /* record url */
- q = buf;
- for(;;) {
- if (c == URL_EOF || redir_isspace(c))
- break;
- if ((q - buf) < sizeof(buf) - 1)
- *q++ = c;
- c = url_fgetc(f);
- }
- *q = '\0';
- //printf("URL='%s'\n", buf);
- /* try to open the media file */
- if (av_open_input_file(&ic, buf, NULL, 0, NULL) == 0)
- break;
- }
- if (!ic)
- return AVERROR(EIO);
-
- *s = *ic;
- url_fclose(f);
-
- return 0;
-}
-
-AVInputFormat redir_demuxer = {
- "redir",
- NULL_IF_CONFIG_SMALL("Redirector format"),
- 0,
- redir_probe,
- redir_read_header,
- NULL,
- NULL,
-};
-#endif
projects / ffmpeg / blobdiff