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avcodec/av1_vaapi: setting 2 output surface for film grain

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VAAPI needs 2 output surface for film grain frame. One used for
reference and the other used for applying film grain and pushing
to downstream.

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
This commit is contained in:
Fei Wang 2021-10-12 16:24:02 +08:00 committed by James Almer
parent 53403158cc
commit 7871144cf8
1 changed files with 108 additions and 7 deletions
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115
libavcodec/vaapi_av1.c
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@ -21,8 +21,28 @@
#include "libavutil/pixdesc.h"
#include "hwconfig.h"
#include "vaapi_decode.h"
#include "internal.h"
#include "av1dec.h"
typedef struct VAAPIAV1FrameRef {
ThreadFrame frame;
int valid;
} VAAPIAV1FrameRef;
typedef struct VAAPIAV1DecContext {
VAAPIDecodeContext base;
/**
* For film grain case, VAAPI generate 2 output for each frame,
* current_frame will not apply film grain, and will be used for
* references for next frames. Maintain the reference list without
* applying film grain here. And current_display_picture will be
* used to apply film grain and push to downstream.
*/
VAAPIAV1FrameRef ref_tab[AV1_NUM_REF_FRAMES];
ThreadFrame tmp_frame;
} VAAPIAV1DecContext;
static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
{
if (vf)
@ -49,6 +69,48 @@ static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2;
}
static int vaapi_av1_decode_init(AVCodecContext *avctx)
{
VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
ctx->tmp_frame.f = av_frame_alloc();
if (!ctx->tmp_frame.f) {
av_log(avctx, AV_LOG_ERROR,
"Failed to allocate frame.\n");
return AVERROR(ENOMEM);
}
for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) {
ctx->ref_tab[i].frame.f = av_frame_alloc();
if (!ctx->ref_tab[i].frame.f) {
av_log(avctx, AV_LOG_ERROR,
"Failed to allocate reference table frame %d.\n", i);
return AVERROR(ENOMEM);
}
ctx->ref_tab[i].valid = 0;
}
return ff_vaapi_decode_init(avctx);
}
static int vaapi_av1_decode_uninit(AVCodecContext *avctx)
{
VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
if (ctx->tmp_frame.f->buf[0])
ff_thread_release_buffer(avctx, &ctx->tmp_frame);
av_frame_free(&ctx->tmp_frame.f);
for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) {
if (ctx->ref_tab[i].frame.f->buf[0])
ff_thread_release_buffer(avctx, &ctx->ref_tab[i].frame);
av_frame_free(&ctx->ref_tab[i].frame.f);
}
return ff_vaapi_decode_uninit(avctx);
}
static int vaapi_av1_start_frame(AVCodecContext *avctx,
av_unused const uint8_t *buffer,
av_unused uint32_t size)
@ -58,18 +120,28 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
const AV1RawFrameHeader *frame_header = s->raw_frame_header;
const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
VADecPictureParameterBufferAV1 pic_param;
int8_t bit_depth_idx;
int err = 0;
int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
uint8_t remap_lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx);
if (bit_depth_idx < 0)
goto fail;
if (apply_grain) {
if (ctx->tmp_frame.f->buf[0])
ff_thread_release_buffer(avctx, &ctx->tmp_frame);
err = ff_thread_get_buffer(avctx, &ctx->tmp_frame, AV_GET_BUFFER_FLAG_REF);
if (err < 0)
goto fail;
pic->output_surface = ff_vaapi_get_surface_id(ctx->tmp_frame.f);
} else {
pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
}
memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
pic_param = (VADecPictureParameterBufferAV1) {
.profile = seq->seq_profile,
@ -77,6 +149,7 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
.bit_depth_idx = bit_depth_idx,
.current_frame = pic->output_surface,
.current_display_picture = pic->output_surface,
.current_display_picture = vaapi_av1_surface_id(&s->cur_frame),
.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,
@ -185,7 +258,9 @@ static int vaapi_av1_start_frame(AVCodecContext *avctx,
if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY)
pic_param.ref_frame_map[i] = VA_INVALID_ID;
else
pic_param.ref_frame_map[i] = vaapi_av1_surface_id(&s->ref[i]);
pic_param.ref_frame_map[i] = ctx->ref_tab[i].valid ?
ff_vaapi_get_surface_id(ctx->ref_tab[i].frame.f) :
vaapi_av1_surface_id(&s->ref[i]);
}
for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
@ -264,8 +339,34 @@ fail:
static int vaapi_av1_end_frame(AVCodecContext *avctx)
{
const AV1DecContext *s = avctx->priv_data;
const AV1RawFrameHeader *header = s->raw_frame_header;
const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
return ff_vaapi_decode_issue(avctx, pic);
VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
int ret;
ret = ff_vaapi_decode_issue(avctx, pic);
if (ret < 0)
return ret;
for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
if (header->refresh_frame_flags & (1 << i)) {
if (ctx->ref_tab[i].frame.f->buf[0])
ff_thread_release_buffer(avctx, &ctx->ref_tab[i].frame);
if (apply_grain) {
ret = ff_thread_ref_frame(&ctx->ref_tab[i].frame, &ctx->tmp_frame);
if (ret < 0)
return ret;
ctx->ref_tab[i].valid = 1;
} else {
ctx->ref_tab[i].valid = 0;
}
}
}
return 0;
}
static int vaapi_av1_decode_slice(AVCodecContext *avctx,
@ -312,9 +413,9 @@ const AVHWAccel ff_av1_vaapi_hwaccel = {
.end_frame = vaapi_av1_end_frame,
.decode_slice = vaapi_av1_decode_slice,
.frame_priv_data_size = sizeof(VAAPIDecodePicture),
.init = ff_vaapi_decode_init,
.uninit = ff_vaapi_decode_uninit,
.init = vaapi_av1_decode_init,
.uninit = vaapi_av1_decode_uninit,
.frame_params = ff_vaapi_common_frame_params,
.priv_data_size = sizeof(VAAPIDecodeContext),
.priv_data_size = sizeof(VAAPIAV1DecContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
};