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mpegvideo_enc: fix gray flag with 444 jpeg
author
Michael Niedermayer
<michaelni@gmx.at>
Wed, 27 Feb 2013 01:56:06 +0000
(
02:56
+0100)
committer
Michael Niedermayer
<michaelni@gmx.at>
Wed, 27 Feb 2013 01:56:06 +0000
(
02:56
+0100)
Fixes Ticket2155
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/mpegvideo_enc.c
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diff --git
a/libavcodec/mpegvideo_enc.c
b/libavcodec/mpegvideo_enc.c
index
9378c0c
..
a0e7a54
100644
(file)
--- a/
libavcodec/mpegvideo_enc.c
+++ b/
libavcodec/mpegvideo_enc.c
@@
-2156,6
+2156,12
@@
static av_always_inline void encode_mb_internal(MpegEncContext *s,
s->block_last_index[5] = 0;
s->block[4][0] =
s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale;
+ if (!s->chroma_y_shift) { /* 422 / 444 */
+ for (i=6; i<12; i++) {
+ s->block_last_index[i] = 0;
+ s->block[i][0] = s->block[4][0];
+ }
+ }
}
// non c quantize code returns incorrect block_last_index FIXME