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Decode a full row of bitstream before reconstructing

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Needs more memory but allows for future parallelization.
Noticeably faster on ARM, slightly faster on x86

also: remove dec->filter_row_ unnecessary field

Change-Id: I044a808839b4e000c838a477e3e8688820436d9a
This commit is contained in:
skal
2013-10-10 21:29:58 +02:00
parent dca8a4d315
commit cb22155201
5 changed files with 128 additions and 125 deletions
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5
src/dec/vp8i.h
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@ -292,7 +292,6 @@ struct VP8Decoder {
// Filtering side-info
int filter_type_; // 0=off, 1=simple, 2=complex
int filter_row_; // per-row flag
VP8FInfo fstrengths_[NUM_MB_SEGMENTS][2]; // precalculated per-segment/type
// Alpha
@ -325,8 +324,8 @@ void VP8ParseQuant(VP8Decoder* const dec);
// in frame.c
int VP8InitFrame(VP8Decoder* const dec, VP8Io* io);
// Predict a block and add residual
void VP8ReconstructBlock(const VP8Decoder* const dec);
// Reconstruct a full row of blocks (prediction + residual adding)
void VP8ReconstructBlocks(const VP8Decoder* const dec, int mb_y);
// Call io->setup() and finish setting up scan parameters.
// After this call returns, one must always call VP8ExitCritical() with the
// same parameters. Both functions should be used in pair. Returns VP8_STATUS_OK