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prores: simplify 4444 handling

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This commit is contained in:
Jonne Ahner 2011-09-20 23:54:03 +02:00 committed by Michael Niedermayer
parent d673972d30
commit ecb0edd9d7
1 changed files with 30 additions and 39 deletions
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69
libavcodec/proresdec.c
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@ -391,10 +391,10 @@ static av_always_inline void decode_ac_coeffs(AVCodecContext *avctx, GetBitConte
CLOSE_READER(re, gb);
}
static void decode_slice_full(AVCodecContext *avctx, SliceContext *slice,
static void decode_slice_luma(AVCodecContext *avctx, SliceContext *slice,
uint8_t *dst, int dst_stride,
const uint8_t *buf, unsigned buf_size,
const int *qmat, int rotate)
const int *qmat)
{
ProresContext *ctx = avctx->priv_data;
LOCAL_ALIGNED_16(DCTELEM, blocks, [8*4*64]);
@ -412,38 +412,27 @@ static void decode_slice_full(AVCodecContext *avctx, SliceContext *slice,
block = blocks;
if (rotate) {
for (i = 0; i < slice->mb_count; i++) {
ctx->idct_put(block+(0<<6), dst, dst_stride);
ctx->idct_put(block+(2<<6), dst+16, dst_stride);
ctx->idct_put(block+(1<<6), dst+8*dst_stride, dst_stride);
ctx->idct_put(block+(3<<6), dst+8*dst_stride+16, dst_stride);
block += 4*64;
dst += 32;
}
} else {
for (i = 0; i < slice->mb_count; i++) {
ctx->idct_put(block+(0<<6), dst, dst_stride);
ctx->idct_put(block+(1<<6), dst+16, dst_stride);
ctx->idct_put(block+(2<<6), dst+8*dst_stride, dst_stride);
ctx->idct_put(block+(3<<6), dst+8*dst_stride+16, dst_stride);
block += 4*64;
dst += 32;
}
for (i = 0; i < slice->mb_count; i++) {
ctx->idct_put(block+(0<<6), dst, dst_stride);
ctx->idct_put(block+(1<<6), dst+16, dst_stride);
ctx->idct_put(block+(2<<6), dst+8*dst_stride, dst_stride);
ctx->idct_put(block+(3<<6), dst+8*dst_stride+16, dst_stride);
block += 4*64;
dst += 32;
}
}
static void decode_slice_half(AVCodecContext *avctx, SliceContext *slice,
static void decode_slice_chroma(AVCodecContext *avctx, SliceContext *slice,
uint8_t *dst, int dst_stride,
const uint8_t *buf, unsigned buf_size,
const int *qmat)
const int *qmat, int log2_blocks_per_mb)
{
ProresContext *ctx = avctx->priv_data;
LOCAL_ALIGNED_16(DCTELEM, blocks, [8*4*64]);
DCTELEM *block;
GetBitContext gb;
int i, blocks_per_slice = slice->mb_count<<1;
int i, j, blocks_per_slice = slice->mb_count << log2_blocks_per_mb;
for (i = 0; i < blocks_per_slice; i++)
ctx->dsp.clear_block(blocks+(i<<6));
@ -455,10 +444,12 @@ static void decode_slice_half(AVCodecContext *avctx, SliceContext *slice,
block = blocks;
for (i = 0; i < slice->mb_count; i++) {
ctx->idct_put(block+(0<<6), dst, dst_stride);
ctx->idct_put(block+(1<<6), dst+8*dst_stride, dst_stride);
block += 2*64;
dst += 16;
for (j = 0; j < log2_blocks_per_mb; j++) {
ctx->idct_put(block+(0<<6), dst, dst_stride);
ctx->idct_put(block+(1<<6), dst+8*dst_stride, dst_stride);
block += 2*64;
dst += 16;
}
}
}
@ -518,24 +509,24 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int
dest_v += pic->linesize[2];
}
decode_slice_full(avctx, slice, dest_y, luma_stride,
buf, y_data_size, qmat_luma_scaled, 0);
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) {
decode_slice_full(avctx, slice, dest_u, chroma_stride,
if ((avctx->flags & CODEC_FLAG_GRAY)) {
} else if (avctx->pix_fmt == PIX_FMT_YUV444P10) {
decode_slice_chroma(avctx, slice, dest_u, chroma_stride,
buf + y_data_size, u_data_size,
qmat_chroma_scaled, 1);
decode_slice_full(avctx, slice, dest_v, chroma_stride,
qmat_chroma_scaled, 2);
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, 2);
} else {
decode_slice_half(avctx, slice, dest_u, chroma_stride,
decode_slice_chroma(avctx, slice, dest_u, chroma_stride,
buf + y_data_size, u_data_size,
qmat_chroma_scaled);
decode_slice_half(avctx, slice, dest_v, chroma_stride,
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);
qmat_chroma_scaled, 1);
}
return 0;