diff options
Diffstat (limited to 'libvpx/vp9/common/vp9_loopfilter.h')
-rw-r--r-- | libvpx/vp9/common/vp9_loopfilter.h | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/libvpx/vp9/common/vp9_loopfilter.h b/libvpx/vp9/common/vp9_loopfilter.h index 62389ea..97ae9d2 100644 --- a/libvpx/vp9/common/vp9_loopfilter.h +++ b/libvpx/vp9/common/vp9_loopfilter.h @@ -17,6 +17,10 @@ #include "vp9/common/vp9_blockd.h" #include "vp9/common/vp9_seg_common.h" +#ifdef __cplusplus +extern "C" { +#endif + #define MAX_LOOP_FILTER 63 #define MAX_SHARPNESS 7 @@ -54,12 +58,44 @@ typedef struct { typedef struct { loop_filter_thresh lfthr[MAX_LOOP_FILTER + 1]; uint8_t lvl[MAX_SEGMENTS][MAX_REF_FRAMES][MAX_MODE_LF_DELTAS]; - uint8_t mode_lf_lut[MB_MODE_COUNT]; } loop_filter_info_n; +// This structure holds bit masks for all 8x8 blocks in a 64x64 region. +// Each 1 bit represents a position in which we want to apply the loop filter. +// Left_ entries refer to whether we apply a filter on the border to the +// left of the block. Above_ entries refer to whether or not to apply a +// filter on the above border. Int_ entries refer to whether or not to +// apply borders on the 4x4 edges within the 8x8 block that each bit +// represents. +// Since each transform is accompanied by a potentially different type of +// loop filter there is a different entry in the array for each transform size. +typedef struct { + uint64_t left_y[TX_SIZES]; + uint64_t above_y[TX_SIZES]; + uint64_t int_4x4_y; + uint16_t left_uv[TX_SIZES]; + uint16_t above_uv[TX_SIZES]; + uint16_t int_4x4_uv; + uint8_t lfl_y[64]; + uint8_t lfl_uv[16]; +} LOOP_FILTER_MASK; + /* assorted loopfilter functions which get used elsewhere */ struct VP9Common; struct macroblockd; +struct VP9LfSyncData; + +// This function sets up the bit masks for the entire 64x64 region represented +// by mi_row, mi_col. +void vp9_setup_mask(struct VP9Common *const cm, + const int mi_row, const int mi_col, + MODE_INFO **mi_8x8, const int mode_info_stride, + LOOP_FILTER_MASK *lfm); + +void vp9_filter_block_plane(struct VP9Common *const cm, + struct macroblockd_plane *const plane, + int mi_row, + LOOP_FILTER_MASK *lfm); void vp9_loop_filter_init(struct VP9Common *cm); @@ -71,7 +107,7 @@ void vp9_loop_filter_frame_init(struct VP9Common *cm, int default_filt_lvl); void vp9_loop_filter_frame(struct VP9Common *cm, struct macroblockd *mbd, int filter_level, - int y_only, int partial); + int y_only, int partial_frame); // Apply the loop filter to [start, stop) macro block rows in frame_buffer. void vp9_loop_filter_rows(const YV12_BUFFER_CONFIG *frame_buffer, @@ -87,8 +123,15 @@ typedef struct LoopFilterWorkerData { int start; int stop; int y_only; + + struct VP9LfSyncData *lf_sync; + int num_lf_workers; } LFWorkerData; // Operates on the rows described by LFWorkerData passed as 'arg1'. int vp9_loop_filter_worker(void *arg1, void *arg2); +#ifdef __cplusplus +} // extern "C" +#endif + #endif // VP9_COMMON_VP9_LOOPFILTER_H_ |