More documentation for AV1_COMMON struct.
Deblocking filter, Loop restoration, CDEF, Film grain, frame contexts
etc.
BUG=aomedia:2610
Change-Id: I9d77b30b9c695875ffabb6f3a9ce9142a4f5ffd7
diff --git a/av1/common/av1_common_int.h b/av1/common/av1_common_int.h
index d56f629..e98e14b 100644
--- a/av1/common/av1_common_int.h
+++ b/av1/common/av1_common_int.h
@@ -573,24 +573,43 @@
// Quantization params.
CommonQuantParams quant_params;
- uint8_t *last_frame_seg_map;
-
- loop_filter_info_n lf_info;
- RestorationInfo rst_info[MAX_MB_PLANE];
-
- // Pointer to a scratch buffer used by self-guided restoration
- int32_t *rst_tmpbuf;
- RestorationLineBuffers *rlbs;
-
- // Output of loop restoration
- YV12_BUFFER_CONFIG rst_frame;
-
- int ref_frame_sign_bias[REF_FRAMES]; /* Two state 0, 1 */
-
- struct loopfilter lf;
+ // Segmentation info for current frame.
struct segmentation seg;
- FRAME_CONTEXT *fc; /* this frame entropy */
+ // Segmentation map for previous frame.
+ uint8_t *last_frame_seg_map;
+
+ // Deblocking filter parameters.
+ loop_filter_info_n lf_info;
+ struct loopfilter lf;
+
+ // Loop Restoration filter parameters.
+ RestorationInfo rst_info[MAX_MB_PLANE]; // Loop Restoration filter info.
+ int32_t *rst_tmpbuf; // Scratch buffer for self-guided restoration filter.
+ RestorationLineBuffers *rlbs; // Line buffers required by loop restoration.
+ YV12_BUFFER_CONFIG rst_frame; // Stores the output of loop restoration.
+
+ // CDEF (Constrained Directional Enhancement Filter) parameters.
+ CdefInfo cdef_info;
+
+ // Parameters for film grain synthesis.
+ aom_film_grain_t film_grain_params;
+
+ // Parameters for delta quantization and delta loop filter level.
+ DeltaQInfo delta_q_info;
+
+ // Global motion parameters for each reference frame.
+ WarpedMotionParams global_motion[REF_FRAMES];
+
+ // Elements part of the sequence header, that are applicable for all the
+ // frames in the video.
+ SequenceHeader seq_params;
+
+ // Current CDFs of all the symbols for the current frame.
+ FRAME_CONTEXT *fc;
+ // Default CDFs used when features.primary_ref_frame = PRIMARY_REF_NONE
+ // (e.g. for a keyframe). These default CDFs are defined by the bitstream and
+ // copied from default CDF tables for each symbol.
FRAME_CONTEXT *default_frame_context;
// Parameters related to tiling.
@@ -602,17 +621,12 @@
PARTITION_CONTEXT **above_seg_context;
ENTROPY_CONTEXT **above_context[MAX_MB_PLANE];
TXFM_CONTEXT **above_txfm_context;
- WarpedMotionParams global_motion[REF_FRAMES];
- aom_film_grain_t film_grain_params;
-
- CdefInfo cdef_info;
- DeltaQInfo delta_q_info; // Delta Q and Delta LF parameters
-
- SequenceHeader seq_params;
int current_frame_id;
int ref_frame_id[REF_FRAMES];
TPL_MV_REF *tpl_mvs;
int tpl_mvs_mem_size;
+
+ int ref_frame_sign_bias[REF_FRAMES]; /* Two state 0, 1 */
// TODO(jingning): This can be combined with sign_bias later.
int8_t ref_frame_side[REF_FRAMES];
