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RTSP muxer: Create the SDP with the numerical IP of the peer

instead of using the original host name

Originally committed as revision 22464 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-03-11 08:24:18 +00:00
parent d8b91fae1d
commit 26cb700c82

View File

@ -1328,13 +1328,14 @@ static int rtsp_setup_input_streams(AVFormatContext *s)
return 0;
}
static int rtsp_setup_output_streams(AVFormatContext *s)
static int rtsp_setup_output_streams(AVFormatContext *s, const char *addr)
{
RTSPState *rt = s->priv_data;
RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
int i;
char *sdp;
AVFormatContext sdp_ctx, *ctx_array[1];
/* Announce the stream */
snprintf(cmd, sizeof(cmd),
@ -1344,7 +1345,23 @@ static int rtsp_setup_output_streams(AVFormatContext *s)
sdp = av_mallocz(8192);
if (sdp == NULL)
return AVERROR(ENOMEM);
if (avf_sdp_create(&s, 1, sdp, 8192)) {
/* We create the SDP based on the RTSP AVFormatContext where we
* aren't allowed to change the filename field. (We create the SDP
* based on the RTSP context since the contexts for the RTP streams
* don't exist yet.) In order to specify a custom URL with the actual
* peer IP instead of the originally specified hostname, we create
* a temporary copy of the AVFormatContext, where the custom URL is set.
*
* FIXME: Create the SDP without copying the AVFormatContext.
* This either requires setting up the RTP stream AVFormatContexts
* already here (complicating things immensely) or getting a more
* flexible SDP creation interface.
*/
sdp_ctx = *s;
ff_url_join(sdp_ctx.filename, sizeof(sdp_ctx.filename),
"rtsp", NULL, addr, -1, NULL);
ctx_array[0] = &sdp_ctx;
if (avf_sdp_create(ctx_array, 1, sdp, 8192)) {
av_free(sdp);
return AVERROR_INVALIDDATA;
}
@ -1507,7 +1524,7 @@ redirect:
if (s->iformat)
err = rtsp_setup_input_streams(s);
else
err = rtsp_setup_output_streams(s);
err = rtsp_setup_output_streams(s, host);
if (err)
goto fail;