diff options
Diffstat (limited to 'vp9/encoder/vp9_encodeframe.c')
-rw-r--r-- | vp9/encoder/vp9_encodeframe.c | 94 |
1 files changed, 78 insertions, 16 deletions
diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c index b478b5053..f6fcd9d33 100644 --- a/vp9/encoder/vp9_encodeframe.c +++ b/vp9/encoder/vp9_encodeframe.c @@ -3319,20 +3319,73 @@ static int ml_pruning_partition(VP9_COMMON *const cm, MACROBLOCKD *const xd, } #define FEATURES 4 -static const float partition_breakout_weights_64[FEATURES + 1] = { - -0.016673f, -0.001025f, -0.000032f, 0.000833f, 1.94261885f - 2.1f, +#define Q_CTX 2 +static const float partition_breakout_weights_64[Q_CTX][FEATURES + 1] = { + { + -0.016673f, + -0.001025f, + -0.000032f, + 0.000833f, + 1.94261885f - 2.1f, + }, + { + -0.160867f, + -0.002101f, + 0.000011f, + 0.002448f, + 1.65738142f - 2.5f, + }, }; -static const float partition_breakout_weights_32[FEATURES + 1] = { - -0.010554f, -0.003081f, -0.000134f, 0.004491f, 1.68445992f - 3.5f, +static const float partition_breakout_weights_32[Q_CTX][FEATURES + 1] = { + { + -0.010554f, + -0.003081f, + -0.000134f, + 0.004491f, + 1.68445992f - 3.5f, + }, + { + -0.051489f, + -0.007609f, + 0.000016f, + 0.009792f, + 1.28089404f - 2.5f, + }, }; -static const float partition_breakout_weights_16[FEATURES + 1] = { - -0.013154f, -0.002404f, -0.000977f, 0.008450f, 2.57404566f - 5.5f, +static const float partition_breakout_weights_16[Q_CTX][FEATURES + 1] = { + { + -0.013154f, + -0.002404f, + -0.000977f, + 0.008450f, + 2.57404566f - 5.5f, + }, + { + -0.019146f, + -0.004018f, + 0.000064f, + 0.008187f, + 2.15043926f - 2.5f, + }, }; -static const float partition_breakout_weights_8[FEATURES + 1] = { - -0.011807f, -0.009873f, -0.000931f, 0.034768f, 1.32254851f - 2.0f, +static const float partition_breakout_weights_8[Q_CTX][FEATURES + 1] = { + { + -0.011807f, + -0.009873f, + -0.000931f, + 0.034768f, + 1.32254851f - 2.0f, + }, + { + -0.003861f, + -0.002701f, + 0.000100f, + 0.013876f, + 1.96755111f - 1.5f, + }, }; // ML-based partition search breakout. @@ -3340,22 +3393,30 @@ static int ml_predict_breakout(const VP9_COMP *const cpi, BLOCK_SIZE bsize, const MACROBLOCK *const x, const RD_COST *const rd_cost) { DECLARE_ALIGNED(16, static const uint8_t, vp9_64_zeros[64]) = { 0 }; + const VP9_COMMON *const cm = &cpi->common; float features[FEATURES]; const float *linear_weights = NULL; // Linear model weights. float linear_score = 0.0f; + const int qindex = cm->base_qindex; + const int q_ctx = qindex >= 200 ? 0 : 1; switch (bsize) { - case BLOCK_64X64: linear_weights = partition_breakout_weights_64; break; - case BLOCK_32X32: linear_weights = partition_breakout_weights_32; break; - case BLOCK_16X16: linear_weights = partition_breakout_weights_16; break; - case BLOCK_8X8: linear_weights = partition_breakout_weights_8; break; + case BLOCK_64X64: + linear_weights = partition_breakout_weights_64[q_ctx]; + break; + case BLOCK_32X32: + linear_weights = partition_breakout_weights_32[q_ctx]; + break; + case BLOCK_16X16: + linear_weights = partition_breakout_weights_16[q_ctx]; + break; + case BLOCK_8X8: linear_weights = partition_breakout_weights_8[q_ctx]; break; default: assert(0 && "Unexpected block size."); return 0; } if (!linear_weights) return 0; { // Generate feature values. - const VP9_COMMON *const cm = &cpi->common; - const int ac_q = vp9_ac_quant(cm->base_qindex, 0, cm->bit_depth); + const int ac_q = vp9_ac_quant(qindex, 0, cm->bit_depth); const int num_pels_log2 = num_pels_log2_lookup[bsize]; int feature_index = 0; unsigned int var, sse; @@ -3387,9 +3448,10 @@ static int ml_predict_breakout(const VP9_COMP *const cpi, BLOCK_SIZE bsize, linear_score += linear_weights[i] * features[i]; } - return linear_score >= 0; + return linear_score >= cpi->sf.ml_partition_search_breakout_thresh[q_ctx]; } #undef FEATURES +#undef Q_CTX // TODO(jingning,jimbankoski,rbultje): properly skip partition types that are // unlikely to be selected depending on previous rate-distortion optimization @@ -3579,7 +3641,7 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td, if (!x->e_mbd.lossless && ctx->skippable) { int use_ml_based_breakout = cpi->sf.use_ml_partition_search_breakout && - cm->base_qindex >= 200; + cm->base_qindex >= 150; #if CONFIG_VP9_HIGHBITDEPTH if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) use_ml_based_breakout = 0; |