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authorMichael Niedermayer <michael@niedermayer.cc>2015-09-18 00:37:28 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2015-09-18 02:52:57 +0200
commit58fe57d5a05ad8d15c320b2bd163debbc412bdd3 (patch)
tree53f93217e69f6b7cbed9922908c34cec43b8c909 /libavcodec/x86/mpegvideo.c
parentbf9464027ba28f726ae6fff5754879ae098e5471 (diff)
avcodec/mpeg12enc: Basic support for encoding non even QPs for -non_linear_quant 1
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/x86/mpegvideo.c')
-rw-r--r--libavcodec/x86/mpegvideo.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/x86/mpegvideo.c b/libavcodec/x86/mpegvideo.c
index 3df6b864c5..af47422cf2 100644
--- a/libavcodec/x86/mpegvideo.c
+++ b/libavcodec/x86/mpegvideo.c
@@ -25,6 +25,7 @@
#include "libavutil/x86/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/mpegvideo.h"
+#include "libavcodec/mpegvideodata.h"
#if HAVE_MMX_INLINE
@@ -308,7 +309,8 @@ static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s,
av_assert2(s->block_last_index[n]>=0);
- qscale <<= 1;
+ if (s->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale];
+ else qscale <<= 1;
if(s->alternate_scan) nCoeffs= 63; //FIXME
else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
@@ -375,7 +377,8 @@ static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s,
av_assert2(s->block_last_index[n]>=0);
- qscale <<= 1;
+ if (s->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale];
+ else qscale <<= 1;
if(s->alternate_scan) nCoeffs= 63; //FIXME
else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];