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| author | Gwenole Beauchesne <gwenole.beauchesne@intel.com> | 2011-10-06 15:19:33 +0200 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2011-10-12 11:26:51 +0200 |
| commit | 7275dc28f6eec4168dbef79275b605bc73dbc0e4 (patch) | |
| tree | 0cc11014c2662d688a9221afa78718f79e2d0515 /libavcodec | |
| parent | 638e183d11367f0ccc46bee6228e5b271fda5a8e (diff) | |
| download | ffmpeg-7275dc28f6eec4168dbef79275b605bc73dbc0e4.tar.gz | |
vaapi: fix VC-1 decoding (reconstruct bitstream TTFRM correctly).
(cherry picked from commit 825dd135d829d85778e6c37f685a6088fef01b2e)
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vaapi_vc1.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/libavcodec/vaapi_vc1.c b/libavcodec/vaapi_vc1.c index d4d76c815f..09bef4a5f9 100644 --- a/libavcodec/vaapi_vc1.c +++ b/libavcodec/vaapi_vc1.c @@ -116,6 +116,18 @@ static inline VAMvModeVC1 vc1_get_MVMODE2(VC1Context *v) return 0; } +/** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */ +static inline int vc1_get_TTFRM(VC1Context *v) +{ + switch (v->ttfrm) { + case TT_8X8: return 0; + case TT_8X4: return 1; + case TT_4X8: return 2; + case TT_4X4: return 3; + } + return 0; +} + /** Pack FFmpeg bitplanes into a VABitPlaneBuffer element */ static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride) { @@ -239,7 +251,7 @@ static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t pic_param->transform_fields.value = 0; /* reset all bits */ pic_param->transform_fields.bits.variable_sized_transform_flag = v->vstransform; pic_param->transform_fields.bits.mb_level_transform_type_flag = v->ttmbf; - pic_param->transform_fields.bits.frame_level_transform_type = v->ttfrm; + pic_param->transform_fields.bits.frame_level_transform_type = vc1_get_TTFRM(v); pic_param->transform_fields.bits.transform_ac_codingset_idx1 = v->c_ac_table_index; pic_param->transform_fields.bits.transform_ac_codingset_idx2 = v->y_ac_table_index; pic_param->transform_fields.bits.intra_transform_dc_table = v->s.dc_table_index; |