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parse one row of intra modes altogether

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(instead of per-macroblock)

speed unchanged.
simplified the context-saving for incremental decoding

Change-Id: I301be581bab581ff68de14c4ffe5bc0ec63f34be
This commit is contained in:
skal
2014-01-28 21:40:40 +01:00
parent a2f608f9e0
commit bbc23ff34c
4 changed files with 55 additions and 48 deletions
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6
src/dec/vp8i.h
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@ -195,6 +195,8 @@ typedef struct {
uint32_t non_zero_y_;
uint32_t non_zero_uv_;
uint8_t dither_; // local dithering strength (deduced from non_zero_*)
uint8_t skip_;
uint8_t segment_;
} VP8MBData;
// Persistent information needed by the parallel processing
@ -265,7 +267,6 @@ struct VP8Decoder {
uint8_t* intra_t_; // top intra modes values: 4 * mb_w_
uint8_t intra_l_[4]; // left intra modes values
uint8_t segment_; // segment of the currently parsed block
VP8TopSamples* yuv_t_; // top y/u/v samples
VP8MB* mb_info_; // contextual macroblock info (mb_w_ + 1)
@ -313,7 +314,8 @@ int VP8SetError(VP8Decoder* const dec,
// in tree.c
void VP8ResetProba(VP8Proba* const proba);
void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec);
void VP8ParseIntraMode(VP8BitReader* const br, VP8Decoder* const dec);
// parses one row of intra mode data in partition 0, returns !eof
int VP8ParseIntraModeRow(VP8BitReader* const br, VP8Decoder* const dec);
// in quant.c
void VP8ParseQuant(VP8Decoder* const dec);