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| author | Oskar Arvidsson <oskar@irock.se> | 2011-03-29 17:48:57 +0200 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-05-10 07:24:33 -0400 |
| commit | 6e3ef511d787ff632547059f8730396ff4498e70 (patch) | |
| tree | bda396b13aaa01e8dccbd60d697a543eff7643db /libavcodec/h264.h | |
| parent | 44ca80df3445a59bc065924d8c6110fa10367d01 (diff) | |
| download | ffmpeg-6e3ef511d787ff632547059f8730396ff4498e70.tar.gz | |
Add the notion of pixel size in h264 related functions.
In high bit depth the pixels will not be stored in uint8_t like in the
normal case, but in uint16_t. The pixel size is thus 1 in normal bit
depth and 2 in high bit depth.
Preparatory patch for high bit depth h264 decoding support.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libavcodec/h264.h')
| -rw-r--r-- | libavcodec/h264.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavcodec/h264.h b/libavcodec/h264.h index 0a0ec36649..470d9bee63 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -265,6 +265,7 @@ typedef struct MMCO{ typedef struct H264Context{ MpegEncContext s; H264DSPContext h264dsp; + int pixel_shift; ///< 0 for 8-bit H264, 1 for high-bit-depth H264 int chroma_qp[2]; //QPc int qp_thresh; ///< QP threshold to skip loopfilter @@ -296,7 +297,7 @@ typedef struct H264Context{ unsigned int top_samples_available; unsigned int topright_samples_available; unsigned int left_samples_available; - uint8_t (*top_borders[2])[16+2*8]; + uint8_t (*top_borders[2])[(16+2*8)*2]; /** * non zero coeff count cache. @@ -406,9 +407,9 @@ typedef struct H264Context{ GetBitContext *intra_gb_ptr; GetBitContext *inter_gb_ptr; - DECLARE_ALIGNED(16, DCTELEM, mb)[16*24]; - DECLARE_ALIGNED(16, DCTELEM, mb_luma_dc)[16]; - DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb + DECLARE_ALIGNED(16, DCTELEM, mb)[16*24*2]; ///< as a dct coeffecient is int32_t in high depth, we need to reserve twice the space. + DECLARE_ALIGNED(16, DCTELEM, mb_luma_dc)[16*2]; + DCTELEM mb_padding[256*2]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb /** * Cabac |