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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/utils.c | |
| parent | 44ca80df3445a59bc065924d8c6110fa10367d01 (diff) | |
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/utils.c')
| -rw-r--r-- | libavcodec/utils.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index e356ca08cb..9a19cde9cc 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -273,6 +273,7 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){ int unaligned; AVPicture picture; int stride_align[4]; + const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1; avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift); @@ -322,7 +323,7 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){ if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2]) buf->data[i] = buf->base[i]; else - buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]); + buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (pixel_size*EDGE_WIDTH>>h_shift), stride_align[i]); } if(size[1] && !size[2]) ff_set_systematic_pal2((uint32_t*)buf->data[1], s->pix_fmt); |