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prores: Simplify code further 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-09-21 00:05:16 +02:00
parent ecb0edd9d7
commit 743e1df5c2
1 changed files with 12 additions and 13 deletions
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25
libavcodec/proresdec.c
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@ -459,7 +459,7 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int
SliceContext *slice = &ctx->slices[jobnr];
const uint8_t *buf = slice->data;
AVFrame *pic = avctx->coded_frame;
int i, hdr_size, qscale;
int i, hdr_size, qscale, log2_chroma_blocks_per_mb;
int luma_stride, chroma_stride;
int y_data_size, u_data_size, v_data_size;
uint8_t *dest_y, *dest_u, *dest_v;
@ -498,7 +498,14 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int
chroma_stride = pic->linesize[1] << 1;
}
mb_x_shift = (avctx->pix_fmt == PIX_FMT_YUV444P10) ? 5 : 4;
if (avctx->pix_fmt == PIX_FMT_YUV444P10) {
mb_x_shift = 5;
log2_chroma_blocks_per_mb = 2;
} else {
mb_x_shift = 4;
log2_chroma_blocks_per_mb = 1;
}
dest_y = pic->data[0] + (slice->mb_y << 4) * luma_stride + (slice->mb_x << 5);
dest_u = pic->data[1] + (slice->mb_y << 4) * chroma_stride + (slice->mb_x << mb_x_shift);
dest_v = pic->data[2] + (slice->mb_y << 4) * chroma_stride + (slice->mb_x << mb_x_shift);
@ -512,21 +519,13 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int
decode_slice_luma(avctx, slice, dest_y, luma_stride,
buf, y_data_size, qmat_luma_scaled);
if ((avctx->flags & CODEC_FLAG_GRAY)) {
} else if (avctx->pix_fmt == PIX_FMT_YUV444P10) {
if (!(avctx->flags & CODEC_FLAG_GRAY)) {
decode_slice_chroma(avctx, slice, dest_u, chroma_stride,
buf + y_data_size, u_data_size,
qmat_chroma_scaled, 2);
qmat_chroma_scaled, log2_chroma_blocks_per_mb);
decode_slice_chroma(avctx, slice, dest_v, chroma_stride,
buf + y_data_size + u_data_size, v_data_size,
qmat_chroma_scaled, 2);
} else {
decode_slice_chroma(avctx, slice, dest_u, chroma_stride,
buf + y_data_size, u_data_size,
qmat_chroma_scaled, 1);
decode_slice_chroma(avctx, slice, dest_v, chroma_stride,
buf + y_data_size + u_data_size, v_data_size,
qmat_chroma_scaled, 1);
qmat_chroma_scaled, log2_chroma_blocks_per_mb);
}
return 0;