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* making profile selection a bit more tolerant to the badly broken streams

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Originally committed as revision 9710 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roman Shaposhnik 2007-07-17 04:06:03 +00:00
parent f1639f69b4
commit 263c241226
1 changed files with 2 additions and 2 deletions
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4
libavcodec/dvdata.h
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@ -2665,14 +2665,14 @@ static inline const DVprofile* dv_frame_profile(uint8_t* frame)
{
if ((frame[3] & 0x80) == 0) { /* DSF flag */
/* it's an NTSC format */
if ((frame[80*5 + 48 + 3] & 0x4)) { /* 4:2:2 sampling */
if ((frame[80*5 + 48 + 3] & 0x4) && (frame[80*5 + 48] == dv_video_source)) { /* 4:2:2 sampling */
return &dv_profiles[3]; /* NTSC 50Mbps */
} else { /* 4:1:1 sampling */
return &dv_profiles[0]; /* NTSC 25Mbps */
}
} else {
/* it's a PAL format */
if ((frame[80*5 + 48 + 3] & 0x4)) { /* 4:2:2 sampling */
if ((frame[80*5 + 48 + 3] & 0x4) && (frame[80*5 + 48] == dv_video_source)) { /* 4:2:2 sampling */
return &dv_profiles[4]; /* PAL 50Mbps */
} else if ((frame[5] & 0x07) == 0) { /* APT flag */
return &dv_profiles[1]; /* PAL 25Mbps 4:2:0 */