diff options
Diffstat (limited to 'third_party/libaom/source/libaom/av1/encoder/temporal_filter.h')
-rw-r--r-- | third_party/libaom/source/libaom/av1/encoder/temporal_filter.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/third_party/libaom/source/libaom/av1/encoder/temporal_filter.h b/third_party/libaom/source/libaom/av1/encoder/temporal_filter.h index 2ae7dd4bda..3b9563755c 100644 --- a/third_party/libaom/source/libaom/av1/encoder/temporal_filter.h +++ b/third_party/libaom/source/libaom/av1/encoder/temporal_filter.h @@ -64,6 +64,14 @@ struct ThreadData; // then the actual threshold will be 720 * 0.1 = 72. Similarly, the threshold // for 360p videos will be 360 * 0.1 = 36. #define TF_SEARCH_DISTANCE_THRESHOLD 0.1 +// 6. Threshold to identify if the q is in a relative high range. +// Above this cutoff q, a stronger filtering is applied. +// For a high q, the quantization throws away more information, and thus a +// stronger filtering is less likely to distort the encoded quality, while a +// stronger filtering could reduce bit rates. +// Ror a low q, more details are expected to be retained. Filtering is thus +// more conservative. +#define TF_QINDEX_CUTOFF 128 #define NOISE_ESTIMATION_EDGE_THRESHOLD 50 @@ -276,11 +284,6 @@ static AOM_INLINE void tf_dealloc_data(TemporalFilterData *tf_data, aom_free(tf_data->pred); } -// Helper function to compute number of blocks on either side of the frame. -static INLINE int get_num_blocks(const int frame_length, const int mb_length) { - return (frame_length + mb_length - 1) / mb_length; -} - // Saves the state prior to temporal filter process. // Inputs: // mbd: Pointer to the block for filtering. |