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ffmpeg/libavcodec/amfenc_h264.c

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/*
* 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/mem.h"
#include "libavutil/opt.h"
#include "amfenc.h"
#include "codec_internal.h"
#include <AMF/components/PreAnalysis.h>
#define OFFSET(x) offsetof(AmfContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
// Static
/// Usage
{ "usage", "Encoder Usage", OFFSET(usage), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
{ "transcoding", "Generic Transcoding", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCODING }, 0, 0, VE, .unit = "usage" },
{ "ultralowlatency","Ultra low latency usecase", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
{ "lowlatency", "Low latency usecase", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
{ "webcam", "Webcam", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_WEBCAM }, 0, 0, VE, .unit = "usage" },
{ "high_quality", "High quality usecase", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
{ "lowlatency_high_quality", "Low latency yet high quality usecase", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
/// Profile,
{ "profile", "Profile", OFFSET(profile),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH, VE, .unit = "profile" },
{ "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_MAIN }, 0, 0, VE, .unit = "profile" },
{ "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_HIGH }, 0, 0, VE, .unit = "profile" },
{ "constrained_baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_BASELINE }, 0, 0, VE, .unit = "profile" },
{ "constrained_high", "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH }, 0, 0, VE, .unit = "profile" },
/// Profile Level
{ "level", "Profile Level", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 62, VE, .unit = "level" },
{ "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, .unit = "level" },
{ "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 10 }, 0, 0, VE, .unit = "level" },
{ "1.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 11 }, 0, 0, VE, .unit = "level" },
{ "1.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 12 }, 0, 0, VE, .unit = "level" },
{ "1.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = 13 }, 0, 0, VE, .unit = "level" },
{ "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 20 }, 0, 0, VE, .unit = "level" },
{ "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 21 }, 0, 0, VE, .unit = "level" },
{ "2.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 22 }, 0, 0, VE, .unit = "level" },
{ "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 30 }, 0, 0, VE, .unit = "level" },
{ "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 31 }, 0, 0, VE, .unit = "level" },
{ "3.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 32 }, 0, 0, VE, .unit = "level" },
{ "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 40 }, 0, 0, VE, .unit = "level" },
{ "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 41 }, 0, 0, VE, .unit = "level" },
{ "4.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 42 }, 0, 0, VE, .unit = "level" },
{ "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 50 }, 0, 0, VE, .unit = "level" },
{ "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 51 }, 0, 0, VE, .unit = "level" },
{ "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 52 }, 0, 0, VE, .unit = "level" },
{ "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = 60 }, 0, 0, VE, .unit = "level" },
{ "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = 61 }, 0, 0, VE, .unit = "level" },
{ "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = 62 }, 0, 0, VE, .unit = "level" },
{ "latency", "enables low latency mode", OFFSET(latency), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
/// Quality Preset
{ "quality", "Set the encoding quality preset", OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, .unit = "quality" },
{ "preset", "Set the encoding quality preset", OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, .unit = "quality" },
{ "balanced", "Balanced", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_BALANCED }, 0, 0, VE, .unit = "quality" },
{ "speed", "Prefer Speed", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_SPEED }, 0, 0, VE, .unit = "quality" },
{ "quality", "Prefer Quality", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY }, 0, 0, VE, .unit = "quality" },
// Dynamic
/// Rate Control Method
{ "rc", "Rate Control Method", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
{ "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, .unit = "rc" },
{ "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "qvbr", "Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
{ "hqvbr", "High Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
{ "hqcbr", "High Quality Constant Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR }, 0, 0, VE, .unit = "rc" },
{ "qvbr_quality_level", "Sets the QVBR quality level", OFFSET(qvbr_quality_level),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
/// Enforce HRD, Filler Data, VBAQ, Frame Skipping
{ "enforce_hrd", "Enforce HRD", OFFSET(enforce_hrd), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "filler_data", "Filler Data Enable", OFFSET(filler_data), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "vbaq", "Enable VBAQ", OFFSET(enable_vbaq), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "frame_skipping", "Rate Control Based Frame Skip", OFFSET(skip_frame), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
/// QP Values
{ "qp_i", "Quantization Parameter for I-Frame", OFFSET(qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "qp_p", "Quantization Parameter for P-Frame", OFFSET(qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "qp_b", "Quantization Parameter for B-Frame", OFFSET(qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
/// Pre-Pass, Pre-Analysis, Two-Pass
{ "preencode", "Pre-encode assisted rate control", OFFSET(preencode), AV_OPT_TYPE_BOOL,{ .i64 = -1 }, -1, 1, VE, NULL },
/// Maximum Access Unit Size
{ "max_au_size", "Maximum Access Unit Size for rate control (in bits)", OFFSET(max_au_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
/// Header Insertion Spacing
{ "header_spacing", "Header Insertion Spacing", OFFSET(header_spacing), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE },
/// B-Frames
// BPicturesPattern=bf
{ "bf_delta_qp", "B-Picture Delta QP", OFFSET(b_frame_delta_qp), AV_OPT_TYPE_INT, { .i64 = 4 }, -10, 10, VE },
{ "bf_ref", "Enable Reference to B-Frames", OFFSET(b_frame_ref), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
{ "bf_ref_delta_qp","Reference B-Picture Delta QP", OFFSET(ref_b_frame_delta_qp), AV_OPT_TYPE_INT, { .i64 = 4 }, -10, 10, VE },
{ "max_b_frames", "Maximum number of consecutive B Pictures", OFFSET(max_consecutive_b_frames), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 3, VE },
{ "bf", "B Picture Pattern", OFFSET(max_b_frames), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 3, VE },
/// Intra-Refresh
{ "intra_refresh_mb","Intra Refresh MBs Number Per Slot in Macroblocks", OFFSET(intra_refresh_mb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
/// coder
{ "coder", "Coding Type", OFFSET(coding_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_UNDEFINED }, AMF_VIDEO_ENCODER_UNDEFINED, AMF_VIDEO_ENCODER_CALV, VE, .unit = "coder" },
{ "auto", "Automatic", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_UNDEFINED }, 0, 0, VE, .unit = "coder" },
{ "cavlc", "Context Adaptive Variable-Length Coding", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_CALV }, 0, 0, VE, .unit = "coder" },
{ "cabac", "Context Adaptive Binary Arithmetic Coding", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_CABAC }, 0, 0, VE, .unit = "coder" },
{ "high_motion_quality_boost_enable", "Enable High motion quality boost mode", OFFSET(hw_high_motion_quality_boost), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "me_half_pel", "Enable ME Half Pixel", OFFSET(me_half_pel), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "me_quarter_pel", "Enable ME Quarter Pixel", OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "forced_idr", "Force I frames to be IDR frames", OFFSET(forced_idr) , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "aud", "Inserts AU Delimiter NAL unit", OFFSET(aud) , AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg) , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
//Pre Analysis options
{ "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_activity_type", "Set the type of activity analysis", OFFSET(pa_activity_type), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_ACTIVITY_YUV, VE, .unit = "activity_type" },
{ "y", "activity y", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_ACTIVITY_Y }, 0, 0, VE, .unit = "activity_type" },
{ "yuv", "activity yuv", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_ACTIVITY_YUV }, 0, 0, VE, .unit = "activity_type" },
{ "pa_scene_change_detection_enable", "Enable scene change detection", OFFSET(pa_scene_change_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_scene_change_detection_sensitivity", "Set the sensitivity of scene change detection", OFFSET(pa_scene_change_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "pa_static_scene_detection_enable", "Enable static scene detection", OFFSET(pa_static_scene_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_static_scene_detection_sensitivity", "Set the sensitivity of static scene detection", OFFSET(pa_static_scene_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH, VE , .unit = "static_scene_sensitivity" },
{ "low", "low static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "pa_initial_qp_after_scene_change", "The QP value that is used immediately after a scene change", OFFSET(pa_initial_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
{ "pa_max_qp_before_force_skip", "The QP threshold to allow a skip frame", OFFSET(pa_max_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
{ "pa_caq_strength", "Content Adaptive Quantization strength", OFFSET(pa_caq_strength), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_CAQ_STRENGTH_HIGH, VE , .unit = "caq_strength" },
{ "low", "low Content Adaptive Quantization strength", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_CAQ_STRENGTH_LOW }, 0, 0, VE, .unit = "caq_strength" },
{ "medium", "medium Content Adaptive Quantization strength", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_CAQ_STRENGTH_MEDIUM }, 0, 0, VE, .unit = "caq_strength" },
{ "high", "high Content Adaptive Quantization strength", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_CAQ_STRENGTH_HIGH }, 0, 0, VE, .unit = "caq_strength" },
{ "pa_frame_sad_enable", "Enable Frame SAD algorithm", OFFSET(pa_frame_sad), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_ltr_enable", "Enable long term reference frame management", OFFSET(pa_ltr), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_lookahead_buffer_depth", "Sets the PA lookahead buffer size", OFFSET(pa_lookahead_buffer_depth), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, MAX_LOOKAHEAD_DEPTH, VE },
{ "pa_paq_mode", "Sets the perceptual adaptive quantization mode", OFFSET(pa_paq_mode), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_PAQ_MODE_CAQ, VE , .unit = "paq_mode" },
{ "none", "no perceptual adaptive quantization", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_PAQ_MODE_NONE }, 0, 0, VE, .unit = "paq_mode" },
{ "caq", "caq perceptual adaptive quantization", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_PAQ_MODE_CAQ }, 0, 0, VE, .unit = "paq_mode" },
{ "pa_taq_mode", "Sets the temporal adaptive quantization mode", OFFSET(pa_taq_mode), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_TAQ_MODE_2, VE , .unit = "taq_mode" },
{ "none", "no temporal adaptive quantization", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_TAQ_MODE_NONE }, 0, 0, VE, .unit = "taq_mode" },
{ "1", "temporal adaptive quantization mode 1", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_TAQ_MODE_1 }, 0, 0, VE, .unit = "taq_mode" },
{ "2", "temporal adaptive quantization mode 2", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_TAQ_MODE_2 }, 0, 0, VE, .unit = "taq_mode" },
{ "pa_high_motion_quality_boost_mode", "Sets the PA high motion quality boost mode", OFFSET(pa_high_motion_quality_boost_mode), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE_AUTO, VE , .unit = "high_motion_quality_boost_mode" },
{ "none", "no high motion quality boost", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE_NONE }, 0, 0, VE, .unit = "high_motion_quality_boost_mode" },
{ "auto", "auto high motion quality boost", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE_AUTO }, 0, 0, VE, .unit = "high_motion_quality_boost_mode" },
{ "pa_adaptive_mini_gop", "Enable Adaptive MiniGOP", OFFSET(pa_adaptive_mini_gop), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ NULL }
};
static av_cold int amf_encode_init_h264(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);
int deblocking_filter = (avctx->flags & AV_CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
amf_int64 color_profile;
enum AVPixelFormat pix_fmt;
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
} else {
FF_DISABLE_DEPRECATION_WARNINGS
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
);
FF_ENABLE_DEPRECATION_WARNINGS
}
if ((ret = ff_amf_encode_init(avctx)) != 0)
return ret;
// init static parameters
if (ctx->usage != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_USAGE, ctx->usage);
}
AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_FRAMESIZE, framesize);
AMF_ASSIGN_PROPERTY_RATE(res, ctx->encoder, AMF_VIDEO_ENCODER_FRAMERATE, framerate);
switch (avctx->profile) {
case AV_PROFILE_H264_BASELINE:
profile = AMF_VIDEO_ENCODER_PROFILE_BASELINE;
break;
case AV_PROFILE_H264_MAIN:
profile = AMF_VIDEO_ENCODER_PROFILE_MAIN;
break;
case AV_PROFILE_H264_HIGH:
profile = AMF_VIDEO_ENCODER_PROFILE_HIGH;
break;
case AV_PROFILE_H264_CONSTRAINED_BASELINE:
profile = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_BASELINE;
break;
case (AV_PROFILE_H264_HIGH | AV_PROFILE_H264_CONSTRAINED):
profile = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH;
break;
}
if (profile == 0) {
if (ctx->profile != -1) {
profile = ctx->profile;
}
}
if (profile != 0) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE, profile);
}
profile_level = avctx->level;
if (profile_level == AV_LEVEL_UNKNOWN) {
profile_level = ctx->level;
}
if (profile_level != 0) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE_LEVEL, profile_level);
}
// Maximum Reference Frames
if (avctx->refs != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_NUM_REFRAMES, avctx->refs);
}
if (avctx->sample_aspect_ratio.den && avctx->sample_aspect_ratio.num) {
AMFRatio ratio = AMFConstructRatio(avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
AMF_ASSIGN_PROPERTY_RATIO(res, ctx->encoder, AMF_VIDEO_ENCODER_ASPECT_RATIO, ratio);
}
color_profile = ff_amf_get_color_profile(avctx);
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_OUTPUT_COLOR_PROFILE, color_profile);
/// Color Range (Support for older Drivers)
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_FULL_RANGE_COLOR, !!(avctx->color_range == AVCOL_RANGE_JPEG));
/// Color Depth
pix_fmt = avctx->hw_frames_ctx ? ((AVHWFramesContext*)avctx->hw_frames_ctx->data)->sw_format
: avctx->pix_fmt;
// 10 bit input video is not supported by AMF H264 encoder
AMF_RETURN_IF_FALSE(ctx, pix_fmt != AV_PIX_FMT_P010, AVERROR_INVALIDDATA, "10-bit input video is not supported by AMF H264 encoder\n");
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_COLOR_BIT_DEPTH, AMF_COLOR_BIT_DEPTH_8);
/// Color Transfer Characteristics (AMF matches ISO/IEC)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_OUTPUT_TRANSFER_CHARACTERISTIC, (amf_int64)avctx->color_trc);
/// Color Primaries (AMF matches ISO/IEC)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_OUTPUT_COLOR_PRIMARIES, (amf_int64)avctx->color_primaries);
// autodetect rate control method
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN) {
if (ctx->qp_i != -1 || ctx->qp_p != -1 || ctx->qp_b != -1) {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
} else if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate) {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
} else {
ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
}
}
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PREENCODE_ENABLE, AMF_VIDEO_ENCODER_PREENCODE_DISABLED);
if (ctx->preencode != -1) {
if (ctx->preencode) {
av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
}
}
}
else {
if (ctx->preencode != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PREENCODE_ENABLE, ctx->preencode);
}
}
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_QUALITY_VBR) {
if (ctx->qvbr_quality_level != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QVBR_QUALITY_LEVEL, ctx->qvbr_quality_level);
}
}
if (ctx->hw_high_motion_quality_boost != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HIGH_MOTION_QUALITY_BOOST_ENABLE, ((ctx->hw_high_motion_quality_boost == 0) ? false : true));
}
if (ctx->quality != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QUALITY_PRESET, ctx->quality);
}
// Dynamic parameters
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD, ctx->rate_control_mode);
/// VBV Buffer
if (avctx->rc_buffer_size != 0) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_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_INITIAL_VBV_BUFFER_FULLNESS, amf_buffer_fullness);
}
}
/// Maximum Access Unit Size and AUD
if (ctx->max_au_size != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_AU_SIZE, ctx->max_au_size);
}
if (ctx->aud != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INSERT_AUD, ctx->aud);
}
// QP Minimum / Maximum
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MIN_QP, 0);
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_QP, 51);
} else {
if (avctx->qmin != -1) {
int qval = avctx->qmin > 51 ? 51 : avctx->qmin;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MIN_QP, qval);
}
if (avctx->qmax != -1) {
int qval = avctx->qmax > 51 ? 51 : avctx->qmax;
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_QP, qval);
}
}
// QP Values
if (ctx->qp_i != -1)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_I, ctx->qp_i);
if (ctx->qp_p != -1)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_P, ctx->qp_p);
if (ctx->qp_b != -1)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_B, ctx->qp_b);
if (avctx->bit_rate) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_TARGET_BITRATE, avctx->bit_rate);
}
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR) {
if (avctx->bit_rate) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PEAK_BITRATE, avctx->bit_rate);
}
}
if (avctx->rc_max_rate) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PEAK_BITRATE, avctx->rc_max_rate);
} else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_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 (ctx->latency != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_LOWLATENCY_MODE, ((ctx->latency == 0) ? false : true));
}
if (ctx->preanalysis != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, !!((ctx->preanalysis == 0) ? false : true));
}
res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, &var);
if ((int)var.int64Value)
{
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, true);
if (ctx->pa_activity_type != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_ACTIVITY_TYPE, ctx->pa_activity_type);
}
if (ctx->pa_scene_change_detection != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_SCENE_CHANGE_DETECTION_ENABLE, ((ctx->pa_scene_change_detection == 0) ? false : true));
}
if (ctx->pa_scene_change_detection_sensitivity != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY, ctx->pa_scene_change_detection_sensitivity);
}
if (ctx->pa_static_scene_detection != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_STATIC_SCENE_DETECTION_ENABLE, ((ctx->pa_static_scene_detection == 0) ? false : true));
}
if (ctx->pa_static_scene_detection_sensitivity != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY, ctx->pa_static_scene_detection_sensitivity);
}
if (ctx->pa_initial_qp != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_INITIAL_QP_AFTER_SCENE_CHANGE, ctx->pa_initial_qp);
}
if (ctx->pa_max_qp != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_MAX_QP_BEFORE_FORCE_SKIP, ctx->pa_max_qp);
}
if (ctx->pa_caq_strength != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_CAQ_STRENGTH, ctx->pa_caq_strength);
}
if (ctx->pa_frame_sad != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_FRAME_SAD_ENABLE, ((ctx->pa_frame_sad == 0) ? false : true));
}
if (ctx->pa_paq_mode != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_PAQ_MODE, ctx->pa_paq_mode);
}
if (ctx->pa_taq_mode != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_TAQ_MODE, ctx->pa_taq_mode);
}
if (ctx->pa_adaptive_mini_gop != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ADAPTIVE_MINIGOP, ((ctx->pa_adaptive_mini_gop == 0) ? false : true));
}
if (ctx->pa_ltr != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_LTR_ENABLE, ((ctx->pa_ltr == 0) ? false : true));
}
if (ctx->pa_lookahead_buffer_depth != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_LOOKAHEAD_BUFFER_DEPTH, ctx->pa_lookahead_buffer_depth);
}
if (ctx->pa_high_motion_quality_boost_mode != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE, ctx->pa_high_motion_quality_boost_mode);
}
}
// B-Frames
if (ctx->max_consecutive_b_frames != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_CONSECUTIVE_BPICTURES, ctx->max_consecutive_b_frames);
if (ctx->max_b_frames != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, ctx->max_b_frames);
if (res != AMF_OK) {
res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, &var);
av_log(ctx, AV_LOG_WARNING, "B-frames=%d is not supported by this GPU, switched to %d\n",
ctx->max_b_frames, (int)var.int64Value);
ctx->max_b_frames = (int)var.int64Value;
}
if (ctx->max_consecutive_b_frames < ctx->max_b_frames) {
av_log(ctx, AVERROR_BUG, "Maxium B frames needs to be greater than the specified B frame count.\n");
}
}
}
else {
if (ctx->max_b_frames != -1) {
av_log(ctx, AVERROR_BUG, "Maxium number of B frames needs to be specified.\n");
}
}
res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, &var);
if ((int)var.int64Value) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_DELTA_QP, ctx->b_frame_delta_qp);
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_B_REFERENCE_ENABLE, !!ctx->b_frame_ref);
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_REF_B_PIC_DELTA_QP, ctx->ref_b_frame_delta_qp);
}
// Initialize 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);
// Enforce HRD, Filler Data, VBAQ, Frame Skipping, Deblocking Filter
if (ctx->enforce_hrd != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENFORCE_HRD, ((ctx->enforce_hrd == 0) ? false : true));
}
if (ctx->filler_data != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_FILLER_DATA_ENABLE, ((ctx->filler_data == 0) ? false : true));
}
if (ctx->skip_frame != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_SKIP_FRAME_ENABLE, ((ctx->skip_frame == 0) ? false : true));
}
if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, 0);
if (ctx->enable_vbaq)
av_log(ctx, AV_LOG_WARNING, "VBAQ is not supported by cqp Rate Control Method, automatically disabled\n");
} else {
if (ctx->enable_vbaq != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, !!ctx->enable_vbaq);
}
}
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_DE_BLOCKING_FILTER, !!deblocking_filter);
// Keyframe Interval
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_IDR_PERIOD, avctx->gop_size);
// Header Insertion Spacing
if (ctx->header_spacing >= 0)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEADER_INSERTION_SPACING, ctx->header_spacing);
// Intra-Refresh, Slicing
if (ctx->intra_refresh_mb != -1)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INTRA_REFRESH_NUM_MBS_PER_SLOT, ctx->intra_refresh_mb);
if (avctx->slices > 1)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_SLICES_PER_FRAME, avctx->slices);
// Coding
if (ctx->coding_mode != 0)
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_CABAC_ENABLE, ctx->coding_mode);
// Motion Estimation
if (ctx->me_half_pel != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_HALF_PIXEL, !!ctx->me_half_pel);
}
if (ctx->me_quarter_pel != -1) {
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_QUARTERPIXEL, !!ctx->me_quarter_pel);
}
// 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_EXTRADATA, &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" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ "b", "0" },
{ "g", "-1" },
{ "slices", "1" },
{ "flags", "+loop"},
{ NULL },
};
static const AVClass h264_amf_class = {
.class_name = "h264_amf",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
const FFCodec ff_h264_amf_encoder = {
.p.name = "h264_amf",
CODEC_LONG_NAME("AMD AMF H.264 Encoder"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_H264,
.init = amf_encode_init_h264,
FF_CODEC_RECEIVE_PACKET_CB(ff_amf_receive_packet),
.close = ff_amf_encode_close,
.priv_data_size = sizeof(AmfContext),
.p.priv_class = &h264_amf_class,
.defaults = defaults,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
.p.pix_fmts = ff_amf_pix_fmts,
.color_ranges = AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG,
.p.wrapper_name = "amf",
.hw_configs = ff_amfenc_hw_configs,
};
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