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cosmetics:

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- use VP8ScanUV, separate from VP8Scan[] (for luma)
 - fix indentation
 - few missing consts
 - change TrellisQuantizeBlock() signature

Change-Id: I94b437d791cbf887015772b5923feb83dd145530
This commit is contained in:
Pascal Massimino 2014-03-17 15:10:23 -07:00
parent 687a58ecc3
commit 536220084c
2 changed files with 19 additions and 20 deletions
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35
src/enc/quant.c
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@ -454,13 +454,14 @@ void VP8MakeIntra4Preds(const VP8EncIterator* const it) {
// |UUVV| 20 // |UUVV| 20
// +----+ // +----+
const int VP8Scan[16 + 4 + 4] = { const int VP8Scan[16] = { // Luma
// Luma
0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS,
0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS,
0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS,
0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS, 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS,
};
static const int VP8ScanUV[4 + 4] = {
0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U 0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U
8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V 8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V
}; };
@ -542,13 +543,13 @@ static WEBP_INLINE score_t RDScoreTrellis(int lambda, score_t rate,
return rate * lambda + 256 * distortion; return rate * lambda + 256 * distortion;
} }
static int TrellisQuantizeBlock(const VP8EncIterator* const it, static int TrellisQuantizeBlock(const VP8Encoder* const enc,
int16_t in[16], int16_t out[16], int16_t in[16], int16_t out[16],
int ctx0, int coeff_type, int ctx0, int coeff_type,
const VP8Matrix* const mtx, const VP8Matrix* const mtx,
int lambda) { int lambda) {
ProbaArray* const probas = it->enc_->proba_.coeffs_[coeff_type]; const ProbaArray* const probas = enc->proba_.coeffs_[coeff_type];
CostArray* const costs = it->enc_->proba_.level_cost_[coeff_type]; const CostArray* const costs = enc->proba_.level_cost_[coeff_type];
const int first = (coeff_type == 0) ? 1 : 0; const int first = (coeff_type == 0) ? 1 : 0;
Node nodes[17][NUM_NODES]; Node nodes[17][NUM_NODES];
int best_path[3] = {-1, -1, -1}; // store best-last/best-level/best-previous int best_path[3] = {-1, -1, -1}; // store best-last/best-level/best-previous
@ -698,10 +699,10 @@ static int ReconstructIntra16(VP8EncIterator* const it,
VP8ModeScore* const rd, VP8ModeScore* const rd,
uint8_t* const yuv_out, uint8_t* const yuv_out,
int mode) { int mode) {
VP8Encoder* const enc = it->enc_; const VP8Encoder* const enc = it->enc_;
const uint8_t* const ref = it->yuv_p_ + VP8I16ModeOffsets[mode]; const uint8_t* const ref = it->yuv_p_ + VP8I16ModeOffsets[mode];
const uint8_t* const src = it->yuv_in_ + Y_OFF; const uint8_t* const src = it->yuv_in_ + Y_OFF;
VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_];
int nz = 0; int nz = 0;
int n; int n;
int16_t tmp[16][16], dc_tmp[16]; int16_t tmp[16][16], dc_tmp[16];
@ -719,8 +720,8 @@ static int ReconstructIntra16(VP8EncIterator* const it,
for (x = 0; x < 4; ++x, ++n) { for (x = 0; x < 4; ++x, ++n) {
const int ctx = it->top_nz_[x] + it->left_nz_[y]; const int ctx = it->top_nz_[x] + it->left_nz_[y];
const int non_zero = const int non_zero =
TrellisQuantizeBlock(it, tmp[n], rd->y_ac_levels[n], ctx, 0, TrellisQuantizeBlock(enc, tmp[n], rd->y_ac_levels[n], ctx, 0,
&dqm->y1_, dqm->lambda_trellis_i16_); &dqm->y1_, dqm->lambda_trellis_i16_);
it->top_nz_[x] = it->left_nz_[y] = non_zero; it->top_nz_[x] = it->left_nz_[y] = non_zero;
nz |= non_zero << n; nz |= non_zero << n;
} }
@ -755,7 +756,7 @@ static int ReconstructIntra4(VP8EncIterator* const it,
if (DO_TRELLIS_I4 && it->do_trellis_) { if (DO_TRELLIS_I4 && it->do_trellis_) {
const int x = it->i4_ & 3, y = it->i4_ >> 2; const int x = it->i4_ & 3, y = it->i4_ >> 2;
const int ctx = it->top_nz_[x] + it->left_nz_[y]; const int ctx = it->top_nz_[x] + it->left_nz_[y];
nz = TrellisQuantizeBlock(it, tmp, levels, ctx, 3, &dqm->y1_, nz = TrellisQuantizeBlock(enc, tmp, levels, ctx, 3, &dqm->y1_,
dqm->lambda_trellis_i4_); dqm->lambda_trellis_i4_);
} else { } else {
nz = VP8EncQuantizeBlock(tmp, levels, 0, &dqm->y1_); nz = VP8EncQuantizeBlock(tmp, levels, 0, &dqm->y1_);
@ -775,7 +776,7 @@ static int ReconstructUV(VP8EncIterator* const it, VP8ModeScore* const rd,
int16_t tmp[8][16]; int16_t tmp[8][16];
for (n = 0; n < 8; ++n) { for (n = 0; n < 8; ++n) {
VP8FTransform(src + VP8Scan[16 + n], ref + VP8Scan[16 + n], tmp[n]); VP8FTransform(src + VP8ScanUV[n], ref + VP8ScanUV[n], tmp[n]);
} }
if (DO_TRELLIS_UV && it->do_trellis_) { if (DO_TRELLIS_UV && it->do_trellis_) {
int ch, x, y; int ch, x, y;
@ -784,8 +785,8 @@ static int ReconstructUV(VP8EncIterator* const it, VP8ModeScore* const rd,
for (x = 0; x < 2; ++x, ++n) { for (x = 0; x < 2; ++x, ++n) {
const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y];
const int non_zero = const int non_zero =
TrellisQuantizeBlock(it, tmp[n], rd->uv_levels[n], ctx, 2, TrellisQuantizeBlock(enc, tmp[n], rd->uv_levels[n], ctx, 2,
&dqm->uv_, dqm->lambda_trellis_uv_); &dqm->uv_, dqm->lambda_trellis_uv_);
it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = non_zero; it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = non_zero;
nz |= non_zero << n; nz |= non_zero << n;
} }
@ -798,7 +799,7 @@ static int ReconstructUV(VP8EncIterator* const it, VP8ModeScore* const rd,
} }
for (n = 0; n < 8; n += 2) { for (n = 0; n < 8; n += 2) {
VP8ITransform(ref + VP8Scan[16 + n], tmp[n], yuv_out + VP8Scan[16 + n], 1); VP8ITransform(ref + VP8ScanUV[n], tmp[n], yuv_out + VP8ScanUV[n], 1);
} }
return (nz << 16); return (nz << 16);
} }
@ -843,8 +844,7 @@ static score_t IsFlat(const int16_t* levels, int num_blocks, score_t thresh) {
static void PickBestIntra16(VP8EncIterator* const it, VP8ModeScore* const rd) { static void PickBestIntra16(VP8EncIterator* const it, VP8ModeScore* const rd) {
const int kNumBlocks = 16; const int kNumBlocks = 16;
VP8Encoder* const enc = it->enc_; VP8SegmentInfo* const dqm = &it->enc_->dqm_[it->mb_->segment_];
VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_];
const int lambda = dqm->lambda_i16_; const int lambda = dqm->lambda_i16_;
const int tlambda = dqm->tlambda_; const int tlambda = dqm->tlambda_;
const uint8_t* const src = it->yuv_in_ + Y_OFF; const uint8_t* const src = it->yuv_in_ + Y_OFF;
@ -991,8 +991,7 @@ static int PickBestIntra4(VP8EncIterator* const it, VP8ModeScore* const rd) {
static void PickBestUV(VP8EncIterator* const it, VP8ModeScore* const rd) { static void PickBestUV(VP8EncIterator* const it, VP8ModeScore* const rd) {
const int kNumBlocks = 8; const int kNumBlocks = 8;
const VP8Encoder* const enc = it->enc_; const VP8SegmentInfo* const dqm = &it->enc_->dqm_[it->mb_->segment_];
const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_];
const int lambda = dqm->lambda_uv_; const int lambda = dqm->lambda_uv_;
const uint8_t* const src = it->yuv_in_ + U_OFF; const uint8_t* const src = it->yuv_in_ + U_OFF;
uint8_t* const tmp_dst = it->yuv_out2_ + U_OFF; // scratch buffer uint8_t* const tmp_dst = it->yuv_out2_ + U_OFF; // scratch buffer

4
src/enc/vp8enci.h
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@ -130,8 +130,8 @@ typedef enum { // Rate-distortion optimization levels
#define ALIGN_CST 15 #define ALIGN_CST 15
#define DO_ALIGN(PTR) ((uintptr_t)((PTR) + ALIGN_CST) & ~ALIGN_CST) #define DO_ALIGN(PTR) ((uintptr_t)((PTR) + ALIGN_CST) & ~ALIGN_CST)
extern const int VP8Scan[16 + 4 + 4]; // in quant.c extern const int VP8Scan[16]; // in quant.c
extern const int VP8UVModeOffsets[4]; // in analyze.c extern const int VP8UVModeOffsets[4]; // in analyze.c
extern const int VP8I16ModeOffsets[4]; extern const int VP8I16ModeOffsets[4];
extern const int VP8I4ModeOffsets[NUM_BMODES]; extern const int VP8I4ModeOffsets[NUM_BMODES];