[FFmpeg-devel] [PATCH v3 9/9] avcodec/av1_vaapi: improve decode quality

[Fei Wang]

- quantizer delta and matrix level specific.
- support loop filter delta.
- support use superres.

Signed-off-by: Fei Wang <fei.w.wang at intel.com>
---
 libavcodec/vaapi_av1.c | 67 ++++++++++++++++++++++++++----------------
 1 file changed, 41 insertions(+), 26 deletions(-)

diff --git a/libavcodec/vaapi_av1.c b/libavcodec/vaapi_av1.c
index 6aaabed2c1..2d0f0a76ad 100644
--- a/libavcodec/vaapi_av1.c
+++ b/libavcodec/vaapi_av1.c
@@ -75,26 +75,35 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
 
     memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
     pic_param = (VADecPictureParameterBufferAV1) {
-        .profile                 = seq->seq_profile,
-        .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
-        .bit_depth_idx           = bit_depth_idx,
-        .current_frame           = pic->output_surface,
-        .current_display_picture = apply_grain ? ff_vaapi_get_surface_id(s->cur_frame.tf_display.f) : pic->output_surface,
-        .frame_width_minus1      = frame_header->frame_width_minus_1,
-        .frame_height_minus1     = frame_header->frame_height_minus_1,
-        .primary_ref_frame       = frame_header->primary_ref_frame,
-        .order_hint              = frame_header->order_hint,
-        .tile_cols               = frame_header->tile_cols,
-        .tile_rows               = frame_header->tile_rows,
-        .context_update_tile_id  = frame_header->context_update_tile_id,
-        .interp_filter           = frame_header->interpolation_filter,
-        .filter_level[0]         = frame_header->loop_filter_level[0],
-        .filter_level[1]         = frame_header->loop_filter_level[1],
-        .filter_level_u          = frame_header->loop_filter_level[2],
-        .filter_level_v          = frame_header->loop_filter_level[3],
-        .base_qindex             = frame_header->base_q_idx,
-        .cdef_damping_minus_3    = frame_header->cdef_damping_minus_3,
-        .cdef_bits               = frame_header->cdef_bits,
+        .profile                    = seq->seq_profile,
+        .order_hint_bits_minus_1    = seq->order_hint_bits_minus_1,
+        .bit_depth_idx              = bit_depth_idx,
+        .matrix_coefficients        = seq->color_config.matrix_coefficients,
+        .current_frame              = pic->output_surface,
+        .current_display_picture    = apply_grain ? ff_vaapi_get_surface_id(s->cur_frame.tf_display.f) : pic->output_surface,
+        .frame_width_minus1         = frame_header->frame_width_minus_1,
+        .frame_height_minus1        = frame_header->frame_height_minus_1,
+        .primary_ref_frame          = frame_header->primary_ref_frame,
+        .order_hint                 = frame_header->order_hint,
+        .tile_cols                  = frame_header->tile_cols,
+        .tile_rows                  = frame_header->tile_rows,
+        .context_update_tile_id     = frame_header->context_update_tile_id,
+        .superres_scale_denominator = frame_header->use_superres ?
+                                        frame_header->coded_denom + AV1_SUPERRES_DENOM_MIN :
+                                        AV1_SUPERRES_NUM,
+        .interp_filter              = frame_header->interpolation_filter,
+        .filter_level[0]            = frame_header->loop_filter_level[0],
+        .filter_level[1]            = frame_header->loop_filter_level[1],
+        .filter_level_u             = frame_header->loop_filter_level[2],
+        .filter_level_v             = frame_header->loop_filter_level[3],
+        .base_qindex                = frame_header->base_q_idx,
+        .y_dc_delta_q               = frame_header->delta_q_y_dc,
+        .u_dc_delta_q               = frame_header->delta_q_u_dc,
+        .u_ac_delta_q               = frame_header->delta_q_u_ac,
+        .v_dc_delta_q               = frame_header->delta_q_v_dc,
+        .v_ac_delta_q               = frame_header->delta_q_v_ac,
+        .cdef_damping_minus_3       = frame_header->cdef_damping_minus_3,
+        .cdef_bits                  = frame_header->cdef_bits,
         .seq_info_fields.fields = {
             .still_picture              = seq->still_picture,
             .use_128x128_superblock     = seq->use_128x128_superblock,
@@ -165,12 +174,15 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
             .mode_ref_delta_update  = frame_header->loop_filter_delta_update,
         },
         .mode_control_fields.bits = {
-            .delta_q_present_flag = frame_header->delta_q_present,
-            .log2_delta_q_res     = frame_header->delta_q_res,
-            .tx_mode              = frame_header->tx_mode,
-            .reference_select     = frame_header->reference_select,
-            .reduced_tx_set_used  = frame_header->reduced_tx_set,
-            .skip_mode_present    = frame_header->skip_mode_present,
+            .delta_q_present_flag  = frame_header->delta_q_present,
+            .log2_delta_q_res      = frame_header->delta_q_res,
+            .delta_lf_present_flag = frame_header->delta_lf_present,
+            .log2_delta_lf_res     = frame_header->delta_lf_res,
+            .delta_lf_multi        = frame_header->delta_lf_multi,
+            .tx_mode               = frame_header->tx_mode,
+            .reference_select      = frame_header->reference_select,
+            .reduced_tx_set_used   = frame_header->reduced_tx_set,
+            .skip_mode_present     = frame_header->skip_mode_present,
         },
         .loop_restoration_fields.bits = {
             .yframe_restoration_type  = remap_lr_type[frame_header->lr_type[0]],
@@ -181,6 +193,9 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
         },
         .qmatrix_fields.bits = {
             .using_qmatrix = frame_header->using_qmatrix,
+            .qm_y          = frame_header->qm_y,
+            .qm_u          = frame_header->qm_u,
+            .qm_v          = frame_header->qm_v,
         }
     };
 
-- 
2.17.1