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Use a bitstream filter for converting the extradata syntax when generating an SDP.

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This allows to generate correct SDPs for H.264 video in "MP4 syntax".

Originally committed as revision 23572 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Abeni 2010-06-11 08:01:45 +00:00
parent e91376d1f6
commit ede13f55f0
1 changed files with 13 additions and 0 deletions
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13
libavformat/sdp.c
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@ -149,6 +149,19 @@ static char *extradata2psets(AVCodecContext *c)
return NULL;
}
if (c->extradata[0] == 1) {
uint8_t *dummy_p;
int dummy_int;
AVBitStreamFilterContext *bsfc= av_bitstream_filter_init("h264_mp4toannexb");
if (!bsfc) {
av_log(c, AV_LOG_ERROR, "Cannot open the h264_mp4toannexb BSF!\n");
return NULL;
}
av_bitstream_filter_filter(bsfc, c, NULL, &dummy_p, &dummy_int, NULL, 0, 0);
av_bitstream_filter_close(bsfc);
}
psets = av_mallocz(MAX_PSET_SIZE);
if (psets == NULL) {