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ffmpeg
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avcodec/av1dec: don't derive loop filter delta parameters 

This is now handled by CBS.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-10-20 19:37:28 -03:00
parent 5ed9f8c66c
commit 7dac8ddb20
2 changed files with 0 additions and 63 deletions
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60
libavcodec/av1dec.c
View File

@ -26,54 +26,6 @@
#include "internal.h"
#include "profiles.h"
static void setup_past_independence(AV1Frame *f)
{
f->loop_filter_delta_enabled = 1;
f->loop_filter_ref_deltas[AV1_REF_FRAME_INTRA] = 1;
f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST] = 0;
f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST2] = 0;
f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST3] = 0;
f->loop_filter_ref_deltas[AV1_REF_FRAME_GOLDEN] = -1;
f->loop_filter_ref_deltas[AV1_REF_FRAME_BWDREF] = 0;
f->loop_filter_ref_deltas[AV1_REF_FRAME_ALTREF2] = -1;
f->loop_filter_ref_deltas[AV1_REF_FRAME_ALTREF] = -1;
f->loop_filter_mode_deltas[0] = 0;
f->loop_filter_mode_deltas[1] = 0;
}
static void load_previous_and_update(AV1DecContext *s)
{
uint8_t primary_frame, prev_frame;
primary_frame = s->raw_frame_header->primary_ref_frame;
prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
memcpy(s->cur_frame.loop_filter_ref_deltas,
s->ref[prev_frame].loop_filter_ref_deltas,
AV1_NUM_REF_FRAMES * sizeof(int8_t));
memcpy(s->cur_frame.loop_filter_mode_deltas,
s->ref[prev_frame].loop_filter_mode_deltas,
2 * sizeof(int8_t));
if (s->raw_frame_header->loop_filter_delta_update) {
for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
if (s->raw_frame_header->update_ref_delta[i])
s->cur_frame.loop_filter_ref_deltas[i] =
s->raw_frame_header->loop_filter_ref_deltas[i];
}
for (int i = 0; i < 2; i++) {
if (s->raw_frame_header->update_mode_delta[i])
s->cur_frame.loop_filter_mode_deltas[i] =
s->raw_frame_header->loop_filter_mode_deltas[i];
}
}
s->cur_frame.loop_filter_delta_enabled =
s->raw_frame_header->loop_filter_delta_enabled;
}
static uint32_t inverse_recenter(int r, uint32_t v)
{
if (v > 2 * r)
@ -363,13 +315,6 @@ static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *s
dst->spatial_id = src->spatial_id;
dst->temporal_id = src->temporal_id;
dst->loop_filter_delta_enabled = src->loop_filter_delta_enabled;
memcpy(dst->loop_filter_ref_deltas,
src->loop_filter_ref_deltas,
AV1_NUM_REF_FRAMES * sizeof(int8_t));
memcpy(dst->loop_filter_mode_deltas,
src->loop_filter_mode_deltas,
2 * sizeof(int8_t));
memcpy(dst->gm_type,
src->gm_type,
AV1_NUM_REF_FRAMES * sizeof(uint8_t));
@ -645,11 +590,6 @@ static int get_current_frame(AVCodecContext *avctx)
return ret;
}
if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
setup_past_independence(&s->cur_frame);
else
load_previous_and_update(s);
global_motion_params(s);
return ret;

3
libavcodec/av1dec.h
View File

@ -39,9 +39,6 @@ typedef struct AV1Frame {
int temporal_id;
int spatial_id;
uint8_t loop_filter_delta_enabled;
int8_t loop_filter_ref_deltas[AV1_NUM_REF_FRAMES];
int8_t loop_filter_mode_deltas[2];
uint8_t gm_type[AV1_NUM_REF_FRAMES];
int32_t gm_params[AV1_NUM_REF_FRAMES][6];
} AV1Frame;