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improved mpeg1/2 decoding speed 

Originally committed as revision 517 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2002-05-18 22:56:50 +00:00
parent 44f27b3a86
commit 5bd12d1277
1 changed files with 6 additions and 0 deletions
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6
libavcodec/mpeg12.c
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@ -855,6 +855,8 @@ static int mpeg_decode_mb(MpegEncContext *s,
if (cbp & (1 << (5 - i))) {
if (mpeg2_decode_block_intra(s, block[i], i) < 0)
return -1;
} else {
s->block_last_index[i] = -1;
}
}
} else {
@ -862,6 +864,8 @@ static int mpeg_decode_mb(MpegEncContext *s,
if (cbp & (1 << (5 - i))) {
if (mpeg2_decode_block_non_intra(s, block[i], i) < 0)
return -1;
} else {
s->block_last_index[i] = -1;
}
}
}
@ -870,6 +874,8 @@ static int mpeg_decode_mb(MpegEncContext *s,
if (cbp & (1 << (5 - i))) {
if (mpeg1_decode_block(s, block[i], i) < 0)
return -1;
} else {
s->block_last_index[i] = -1;
}
}
}