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Use the control URI from the SDP (if present) rather than the input filename,

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if present. This fixes playback of a number of MS-RTSP streams, mostly these
for which playback contains a session key in the URI. Fixes issue 1697.
Patch by Alan Steremberg <$firstname dot $lastname () gmail com>.

Originally committed as revision 21381 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alan Steremberg 2010-01-22 16:04:15 +00:00 committed by Ronald S. Bultje
parent 4a88852623
commit 00eb13e05f
2 changed files with 22 additions and 8 deletions
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25
libavformat/rtsp.c
View File

@ -437,11 +437,16 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
}
}
/* put a default control url */
av_strlcpy(rtsp_st->control_url, s->filename,
av_strlcpy(rtsp_st->control_url, rt->control_uri,
sizeof(rtsp_st->control_url));
break;
case 'a':
if (av_strstart(p, "control:", &p) && s->nb_streams > 0) {
if (av_strstart(p, "control:", &p)) {
if (s->nb_streams == 0) {
if (!strncmp(p, "rtsp://", 7))
av_strlcpy(rt->control_uri, p,
sizeof(rt->control_uri));
} else {
char proto[32];
/* get the control url */
st = s->streams[s->nb_streams - 1];
@ -452,6 +457,7 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
NULL, NULL, 0, p);
if (proto[0] == '\0') {
/* relative control URL */
if (rtsp_st->control_url[strlen(rtsp_st->control_url)-1]!='/')
av_strlcat(rtsp_st->control_url, "/",
sizeof(rtsp_st->control_url));
av_strlcat(rtsp_st->control_url, p,
@ -459,6 +465,7 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
} else
av_strlcpy(rtsp_st->control_url, p,
sizeof(rtsp_st->control_url));
}
} else if (av_strstart(p, "rtpmap:", &p) && s->nb_streams > 0) {
/* NOTE: rtpmap is only supported AFTER the 'm=' tag */
get_word(buf1, sizeof(buf1), &p);
@ -1203,12 +1210,12 @@ static int rtsp_read_play(AVFormatContext *s)
if (rt->state == RTSP_STATE_PAUSED) {
snprintf(cmd, sizeof(cmd),
"PLAY %s RTSP/1.0\r\n",
s->filename);
rt->control_uri);
} else {
snprintf(cmd, sizeof(cmd),
"PLAY %s RTSP/1.0\r\n"
"Range: npt=%0.3f-\r\n",
s->filename,
rt->control_uri,
(double)rt->seek_timestamp / AV_TIME_BASE);
}
rtsp_send_cmd(s, cmd, reply, NULL);
@ -1290,6 +1297,8 @@ redirect:
/* request options supported by the server; this also detects server
* type */
av_strlcpy(rt->control_uri, s->filename,
sizeof(rt->control_uri));
for (rt->server_type = RTSP_SERVER_RTP;;) {
snprintf(cmd, sizeof(cmd),
"OPTIONS %s RTSP/1.0\r\n", s->filename);
@ -1590,7 +1599,7 @@ static int rtsp_read_packet(AVFormatContext *s, AVPacket *pkt)
snprintf(cmd, sizeof(cmd),
"SET_PARAMETER %s RTSP/1.0\r\n"
"Unsubscribe: %s\r\n",
s->filename, rt->last_subscription);
rt->control_uri, rt->last_subscription);
rtsp_send_cmd(s, cmd, reply, NULL);
if (reply->status_code != RTSP_STATUS_OK)
return AVERROR_INVALIDDATA;
@ -1608,7 +1617,7 @@ static int rtsp_read_packet(AVFormatContext *s, AVPacket *pkt)
snprintf(cmd, sizeof(cmd),
"SET_PARAMETER %s RTSP/1.0\r\n"
"Subscribe: ",
s->filename);
rt->control_uri);
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rule_nr = 0;
for (r = 0; r < s->nb_streams; r++) {
@ -1648,7 +1657,7 @@ static int rtsp_read_packet(AVFormatContext *s, AVPacket *pkt)
if (rt->server_type == RTSP_SERVER_WMS) {
snprintf(cmd, sizeof(cmd) - 1,
"GET_PARAMETER %s RTSP/1.0\r\n",
s->filename);
rt->control_uri);
rtsp_send_cmd_async(s, cmd);
} else {
rtsp_send_cmd_async(s, "OPTIONS * RTSP/1.0\r\n");
@ -1672,7 +1681,7 @@ static int rtsp_read_pause(AVFormatContext *s)
else if (!(rt->server_type == RTSP_SERVER_REAL && rt->need_subscription)) {
snprintf(cmd, sizeof(cmd),
"PAUSE %s RTSP/1.0\r\n",
s->filename);
rt->control_uri);
rtsp_send_cmd(s, cmd, reply, NULL);
if (reply->status_code != RTSP_STATUS_OK) {
return -1;

5
libavformat/rtsp.h
View File

@ -266,6 +266,11 @@ typedef struct RTSPState {
* data packet in the bytecontext for each incoming RTSP packet. */
uint64_t asf_pb_pos;
//@}
/** some MS RTSP streams contain a URL in the SDP that we need to use
* for all subsequent RTSP requests, rather than the input URI; in
* other cases, this is a copy of AVFormatContext->filename. */
char control_uri[1024];
} RTSPState;
/**