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libavcodec/amfenc: add AV1 encoding support

Tested-by: Jean-Baptiste Kempf <jb@videolan.org>
This commit is contained in:
Dmitrii Ovchinnikov 2022-12-20 16:20:38 +01:00 committed by Gyan Doshi
parent 23d4f9223a
commit 5f0a7a9169
6 changed files with 379 additions and 0 deletions

1
configure vendored
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@ -3257,6 +3257,7 @@ wmv3_crystalhd_decoder_select="crystalhd"
av1_qsv_decoder_select="qsvdec"
av1_qsv_encoder_select="qsvenc"
av1_qsv_encoder_deps="libvpl"
av1_amf_encoder_deps="amf"
# parsers
aac_parser_select="adts_header mpeg4audio"

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@ -163,6 +163,7 @@ OBJS-$(CONFIG_TEXTUREDSP) += texturedsp.o
OBJS-$(CONFIG_TEXTUREDSPENC) += texturedspenc.o
OBJS-$(CONFIG_TPELDSP) += tpeldsp.o
OBJS-$(CONFIG_VAAPI_ENCODE) += vaapi_encode.o
OBJS-$(CONFIG_AV1_AMF_ENCODER) += amfenc_av1.o
OBJS-$(CONFIG_VC1DSP) += vc1dsp.o
OBJS-$(CONFIG_VIDEODSP) += videodsp.o
OBJS-$(CONFIG_VP3DSP) += vp3dsp.o

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@ -833,6 +833,7 @@ extern const FFCodec ff_av1_mediacodec_decoder;
extern const FFCodec ff_av1_nvenc_encoder;
extern const FFCodec ff_av1_qsv_decoder;
extern const FFCodec ff_av1_qsv_encoder;
extern const FFCodec ff_av1_amf_encoder;
extern const FFCodec ff_libopenh264_encoder;
extern const FFCodec ff_libopenh264_decoder;
extern const FFCodec ff_h264_amf_encoder;

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@ -349,6 +349,9 @@ static int amf_init_encoder(AVCodecContext *avctx)
case AV_CODEC_ID_HEVC:
codec_id = AMFVideoEncoder_HEVC;
break;
case AV_CODEC_ID_AV1 :
codec_id = AMFVideoEncoder_AV1;
break;
default:
break;
}
@ -460,6 +463,11 @@ static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buff
pkt->flags = AV_PKT_FLAG_KEY;
}
break;
case AV_CODEC_ID_AV1:
buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_AV1_OUTPUT_FRAME_TYPE, &var);
if (var.int64Value == AMF_VIDEO_ENCODER_AV1_OUTPUT_FRAME_TYPE_KEY) {
pkt->flags = AV_PKT_FLAG_KEY;
}
default:
break;
}
@ -681,6 +689,7 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
case AV_CODEC_ID_HEVC:
AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_HEVC_INSERT_AUD, !!ctx->aud);
break;
//case AV_CODEC_ID_AV1 not supported
default:
break;
}

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@ -23,6 +23,7 @@
#include <AMF/components/VideoEncoderVCE.h>
#include <AMF/components/VideoEncoderHEVC.h>
#include <AMF/components/VideoEncoderAV1.h>
#include "libavutil/fifo.h"
@ -116,6 +117,11 @@ typedef struct AmfContext {
int min_qp_p;
int max_qp_p;
int tier;
// AV1 - specific options
enum AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_ENUM align;
} AmfContext;
extern const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[];

361
libavcodec/amfenc_av1.c Normal file
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@ -0,0 +1,361 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "amfenc.h"
#include "codec_internal.h"
#include "internal.h"
#define OFFSET(x) offsetof(AmfContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "usage", "Set the encoding usage", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING }, AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING, AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY, VE, "usage" },
{ "transcoding", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING }, 0, 0, VE, "usage" },
{ "lowlatency", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY }, 0, 0, VE, "usage" },
{ "profile", "Set the profile (default main)", OFFSET(profile), AV_OPT_TYPE_INT,{.i64 = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN }, AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN, AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN, VE, "profile" },
{ "main", "", 0, AV_OPT_TYPE_CONST,{.i64 = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN }, 0, 0, VE, "profile" },
{ "level", "Set the encoding level (default auto)", OFFSET(level), AV_OPT_TYPE_INT,{.i64 = 0 }, 0, AMF_VIDEO_ENCODER_AV1_LEVEL_7_3, VE, "level" },
{ "auto", "", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, VE, "level" },
{ "2.0", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_0 }, 0, 0, VE, "level" },
{ "2.1", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_1 }, 0, 0, VE, "level" },
{ "2.2", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_2 }, 0, 0, VE, "level" },
{ "2.3", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_3 }, 0, 0, VE, "level" },
{ "3.0", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_0 }, 0, 0, VE, "level" },
{ "3.1", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_1 }, 0, 0, VE, "level" },
{ "3.2", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_2 }, 0, 0, VE, "level" },
{ "3.3", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_3 }, 0, 0, VE, "level" },
{ "4.0", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_0 }, 0, 0, VE, "level" },
{ "4.1", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_1 }, 0, 0, VE, "level" },
{ "4.2", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_2 }, 0, 0, VE, "level" },
{ "4.3", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_3 }, 0, 0, VE, "level" },
{ "5.0", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_0 }, 0, 0, VE, "level" },
{ "5.1", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_1 }, 0, 0, VE, "level" },
{ "5.2", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_2 }, 0, 0, VE, "level" },
{ "5.3", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_3 }, 0, 0, VE, "level" },
{ "6.0", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_0 }, 0, 0, VE, "level" },
{ "6.1", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_1 }, 0, 0, VE, "level" },
{ "6.2", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_2 }, 0, 0, VE, "level" },
{ "6.3", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_3 }, 0, 0, VE, "level" },
{ "7.0", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_0 }, 0, 0, VE, "level" },
{ "7.1", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_1 }, 0, 0, VE, "level" },
{ "7.2", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_2 }, 0, 0, VE, "level" },
{ "7.3", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_3 }, 0, 0, VE, "level" },
{ "quality", "Set the encoding quality", OFFSET(quality), AV_OPT_TYPE_INT, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED }, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED, VE, "quality" },
{ "balanced", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_BALANCED }, 0, 0, VE, "quality" },
{ "speed", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED }, 0, 0, VE, "quality" },
{ "quality", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_QUALITY }, 0, 0, VE, "quality" },
{ "high_quality", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY }, 0, 0, VE, "quality" },
{ "rc", "Set the rate control mode", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR, VE, "rc" },
{ "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, "rc" },
{ "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
{ "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
{ "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, "rc" },
{ "header_insertion_mode", "Set header insertion mode", OFFSET(header_insertion_mode), AV_OPT_TYPE_INT,{.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_NONE }, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_NONE, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_KEY_FRAME_ALIGNED, VE, "hdrmode" },
{ "none", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_NONE }, 0, 0, VE, "hdrmode" },
{ "gop", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_GOP_ALIGNED }, 0, 0, VE, "hdrmode" },
{ "frame", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_KEY_FRAME_ALIGNED }, 0, 0, VE, "hdrmode" },
{ "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, VE},
{ "enforce_hrd", "Enforce HRD", OFFSET(enforce_hrd), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, VE},
{ "filler_data", "Filler Data Enable", OFFSET(filler_data), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, VE},
// min_qp_i -> min_qp_intra, min_qp_p -> min_qp_inter
{ "min_qp_i", "min quantization parameter for I-frame", OFFSET(min_qp_i), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 255, VE },
{ "max_qp_i", "max quantization parameter for I-frame", OFFSET(max_qp_i), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 255, VE },
{ "min_qp_p", "min quantization parameter for P-frame", OFFSET(min_qp_p), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 255, VE },
{ "max_qp_p", "max quantization parameter for P-frame", OFFSET(max_qp_p), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 255, VE },
{ "qp_p", "quantization parameter for P-frame", OFFSET(qp_p), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 255, VE },
{ "qp_i", "quantization parameter for I-frame", OFFSET(qp_i), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 255, VE },
{ "skip_frame", "Rate Control Based Frame Skip", OFFSET(skip_frame), AV_OPT_TYPE_BOOL,{.i64 = 0 }, 0, 1, VE },
{ "align", "alignment mode", OFFSET(align), AV_OPT_TYPE_INT, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS }, AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY, AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS, VE, "align" },
{ "64x16", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY }, 0, 0, VE, "align" },
{ "1080p", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_1080P_CODED_1082 }, 0, 0, VE, "align" },
{ "none", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS }, 0, 0, VE, "align" },
{ NULL }
};
static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
{
int ret = 0;
AMF_RESULT res = AMF_OK;
AmfContext* ctx = avctx->priv_data;
AMFVariantStruct var = { 0 };
amf_int64 profile = 0;
amf_int64 profile_level = 0;
AMFBuffer* buffer;
AMFGuid guid;
AMFRate framerate;
AMFSize framesize = AMFConstructSize(avctx->width, avctx->height);
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
}
else {
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
}
if ((ret = ff_amf_encode_init(avctx)) < 0)
return ret;
// init static parameters
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_USAGE, ctx->usage);
AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FRAMESIZE, framesize);
AMF_ASSIGN_PROPERTY_RATE(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FRAMERATE, framerate);
switch (avctx->profile) {
case FF_PROFILE_AV1_MAIN:
profile = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN;
break;
default:
break;
}
if (profile == 0) {
profile = ctx->profile;
}
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PROFILE, profile);
profile_level = avctx->level;
if (profile_level == FF_LEVEL_UNKNOWN) {
profile_level = ctx->level;
}
if (profile_level != 0) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_LEVEL, profile_level);
}
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET, ctx->quality);
// Maximum Reference Frames
if (avctx->refs != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_NUM_REFRAMES, avctx->refs);
}
// Picture control properties
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_GOP_SIZE, avctx->gop_size);
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE, ctx->header_insertion_mode);
// Rate control
// autodetect rate control method
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN) {
if (ctx->min_qp_i != -1 || ctx->max_qp_i != -1 ||
ctx->min_qp_p != -1 || ctx->max_qp_p != -1 ||
ctx->qp_i != -1 || ctx->qp_p != -1) {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
}
else if (avctx->rc_max_rate > 0) {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
}
else {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
}
}
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD, ctx->rate_control_mode);
if (avctx->rc_buffer_size) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_VBV_BUFFER_SIZE, avctx->rc_buffer_size);
if (avctx->rc_initial_buffer_occupancy != 0) {
int amf_buffer_fullness = avctx->rc_initial_buffer_occupancy * 64 / avctx->rc_buffer_size;
if (amf_buffer_fullness > 64)
amf_buffer_fullness = 64;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_INITIAL_VBV_BUFFER_FULLNESS, amf_buffer_fullness);
}
}
// Pre-Pass, Pre-Analysis, Two-Pass
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PRE_ANALYSIS_ENABLE, ctx->preanalysis);
// init dynamic rate control params
if (ctx->max_au_size)
ctx->enforce_hrd = 1;
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENFORCE_HRD, ctx->enforce_hrd);
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FILLER_DATA, ctx->filler_data);
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_TARGET_BITRATE, avctx->bit_rate);
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PEAK_BITRATE, avctx->bit_rate);
}
if (avctx->rc_max_rate) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PEAK_BITRATE, avctx->rc_max_rate);
}
else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR) {
av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
}
if (avctx->bit_rate > 0) {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
}
switch (ctx->align)
{
case AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY:
if (avctx->width / 64 * 64 != avctx->width || avctx->height / 16 * 16 != avctx->height)
{
res = AMF_NOT_SUPPORTED;
av_log(ctx, AV_LOG_ERROR, "Resolution incorrect for alignment mode\n");
return AVERROR_EXIT;
}
break;
case AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_1080P_CODED_1082:
if ((avctx->width / 64 * 64 == avctx->width && avctx->height / 16 * 16 == avctx->height) || (avctx->width == 1920 && avctx->height == 1080))
{
res = AMF_OK;
}
else
{
res = AMF_NOT_SUPPORTED;
av_log(ctx, AV_LOG_ERROR, "Resolution incorrect for alignment mode\n");
return AVERROR_EXIT;
}
break;
case AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS:
res = AMF_OK;
break;
default:
res = AMF_NOT_SUPPORTED;
av_log(ctx, AV_LOG_ERROR, "Invalid alignment mode\n");
return AVERROR_EXIT;
}
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE, ctx->align);
// init encoder
res = ctx->encoder->pVtbl->Init(ctx->encoder, ctx->format, avctx->width, avctx->height);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "encoder->Init() failed with error %d\n", res);
// init dynamic picture control params
if (ctx->min_qp_i != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTRA, ctx->min_qp_i);
}
else if (avctx->qmin != -1) {
int qval = avctx->qmin > 255 ? 255 : avctx->qmin;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTRA, qval);
}
if (ctx->max_qp_i != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTRA, ctx->max_qp_i);
}
else if (avctx->qmax != -1) {
int qval = avctx->qmax > 255 ? 255 : avctx->qmax;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTRA, qval);
}
if (ctx->min_qp_p != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTER, ctx->min_qp_p);
}
else if (avctx->qmin != -1) {
int qval = avctx->qmin > 255 ? 255 : avctx->qmin;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTER, qval);
}
if (ctx->max_qp_p != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTER, ctx->max_qp_p);
}
else if (avctx->qmax != -1) {
int qval = avctx->qmax > 255 ? 255 : avctx->qmax;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTER, qval);
}
if (ctx->qp_p != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_Q_INDEX_INTER, ctx->qp_p);
}
if (ctx->qp_i != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_Q_INDEX_INTRA, ctx->qp_i);
}
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_SKIP_FRAME, ctx->skip_frame);
// fill extradata
res = AMFVariantInit(&var);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "AMFVariantInit() failed with error %d\n", res);
res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_AV1_EXTRA_DATA, &var);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) failed with error %d\n", res);
AMF_RETURN_IF_FALSE(ctx, var.pInterface != NULL, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) returned NULL\n");
guid = IID_AMFBuffer();
res = var.pInterface->pVtbl->QueryInterface(var.pInterface, &guid, (void**)&buffer); // query for buffer interface
if (res != AMF_OK) {
var.pInterface->pVtbl->Release(var.pInterface);
}
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "QueryInterface(IID_AMFBuffer) failed with error %d\n", res);
avctx->extradata_size = (int)buffer->pVtbl->GetSize(buffer);
avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
buffer->pVtbl->Release(buffer);
var.pInterface->pVtbl->Release(var.pInterface);
return AVERROR(ENOMEM);
}
memcpy(avctx->extradata, buffer->pVtbl->GetNative(buffer), avctx->extradata_size);
buffer->pVtbl->Release(buffer);
var.pInterface->pVtbl->Release(var.pInterface);
return 0;
}
static const FFCodecDefault defaults[] = {
{ "refs", "-1" },
{ "aspect", "0" },
{ "b", "2M" },
{ "g", "250" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ NULL },
};
static const AVClass av1_amf_class = {
.class_name = "av1_amf",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
const FFCodec ff_av1_amf_encoder = {
.p.name = "av1_amf",
CODEC_LONG_NAME("AMD AMF AV1 encoder"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_AV1,
.init = amf_encode_init_av1,
FF_CODEC_RECEIVE_PACKET_CB(ff_amf_receive_packet),
.close = ff_amf_encode_close,
.priv_data_size = sizeof(AmfContext),
.p.priv_class = &av1_amf_class,
.defaults = defaults,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
.p.pix_fmts = ff_amf_pix_fmts,
.p.wrapper_name = "amf",
.hw_configs = ff_amfenc_hw_configs,
};