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add support for avc1 in X-QT over RTSP 

patch by Carl Eugen Hoyos cehoyos at ag.or.at


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21889 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
gpoirier 2007-01-12 19:59:47 +00:00
parent 3caab47323
commit 18dedd6eec
1 changed files with 21 additions and 0 deletions
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21
libmpdemux/demux_rtp_codec.cpp
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@ -86,6 +86,27 @@ void rtpCodecInitialize_video(demuxer_t* demuxer,
} while (!parseQTState_video(qtRTPSource->qtState, fourcc));
bih->biCompression = sh_video->format = fourcc;
bih->biWidth = qtRTPSource->qtState.width;
bih->biHeight = qtRTPSource->qtState.height;
if (bih->biCompression == mmioFOURCC('a','v','c','1')) {
uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
+ qtRTPSource->qtState.sdAtomSize;
while (pos+8 < endpos) {
unsigned atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
if (atomLength == 0 || atomLength > endpos-pos) break;
if (memcmp(pos+4, "avcC", 4) == 0 &&
atomLength > 8 &&
atomLength <= INT_MAX-sizeof(BITMAPINFOHEADER)) {
bih->biSize = sizeof(BITMAPINFOHEADER)+atomLength-8;
sh_video->bih = bih = (BITMAPINFOHEADER*)realloc(bih, bih->biSize);
memcpy(bih+1, pos+8, atomLength-8);
break;
}
pos += atomLength;
}
needVideoFrameRate(demuxer, subsession);
}
} else {
fprintf(stderr,
"Unknown MPlayer format code for MIME type \"video/%s\"\n",