Skip to content

Instantly share code, notes, and snippets.

@wiiaboo

wiiaboo/ffmpeg-libsvthevc-patches.patch

Last active July 11, 2019 23:56
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save wiiaboo/9a570057d6bc605a3c72429cfe0cf45b to your computer and use it in GitHub Desktop.
Save wiiaboo/9a570057d6bc605a3c72429cfe0cf45b to your computer and use it in GitHub Desktop.
Download ZIP
Raw
ffmpeg-libsvthevc-patches.patch
From 9585df20e053dfecb341005cab4808332620236b Mon Sep 17 00:00:00 2001
From: Jing SUN <jing.a.sun@intel.com>
Date: Fri, 31 May 2019 13:37:54 +0800
Subject: [PATCH 1/2] lavc/svt_hevc: add libsvt hevc encoder wrapper
Signed-off-by: Zhengxu Huang <zhengxu.huang@intel.com>
Signed-off-by: Hassene Tmar <hassene.tmar@intel.com>
Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Jing Sun <jing.a.sun@intel.com>
---
configure | 4 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/libsvt_hevc.c | 501 +++++++++++++++++++++++++++++++++++++++
4 files changed, 507 insertions(+)
create mode 100644 libavcodec/libsvt_hevc.c
diff --git a/configure b/configure
index 5a4f507246..3a6cab733c 100755
--- a/configure
+++ b/configure
@@ -264,6 +264,7 @@ External library support:
--enable-libspeex enable Speex de/encoding via libspeex [no]
--enable-libsrt enable Haivision SRT protocol via libsrt [no]
--enable-libssh enable SFTP protocol via libssh [no]
+ --enable-libsvthevc enable HEVC encoding via svt [no]
--enable-libtensorflow enable TensorFlow as a DNN module backend
for DNN based filters like sr [no]
--enable-libtesseract enable Tesseract, needed for ocr filter [no]
@@ -1788,6 +1789,7 @@ EXTERNAL_LIBRARY_LIST="
libspeex
libsrt
libssh
+ libsvthevc
libtensorflow
libtesseract
libtheora
@@ -3183,6 +3185,7 @@ libshine_encoder_select="audio_frame_queue"
libspeex_decoder_deps="libspeex"
libspeex_encoder_deps="libspeex"
libspeex_encoder_select="audio_frame_queue"
+libsvt_hevc_encoder_deps="libsvthevc"
libtheora_encoder_deps="libtheora"
libtwolame_encoder_deps="libtwolame"
libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
@@ -6230,6 +6233,7 @@ enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
enabled libsrt && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket
+enabled libsvthevc && require_pkg_config libsvthevc SvtHevcEnc EbApi.h EbInitHandle
enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 3cd73fbcc6..d39f568585 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -991,6 +991,7 @@ OBJS-$(CONFIG_LIBOPUS_ENCODER) += libopusenc.o libopus.o \
OBJS-$(CONFIG_LIBSHINE_ENCODER) += libshine.o
OBJS-$(CONFIG_LIBSPEEX_DECODER) += libspeexdec.o
OBJS-$(CONFIG_LIBSPEEX_ENCODER) += libspeexenc.o
+OBJS-$(CONFIG_LIBSVT_HEVC_ENCODER) += libsvt_hevc.o
OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
OBJS-$(CONFIG_LIBTWOLAME_ENCODER) += libtwolame.o
OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index d2f9a39ce5..d8788a7954 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -707,6 +707,7 @@ extern AVCodec ff_librsvg_decoder;
extern AVCodec ff_libshine_encoder;
extern AVCodec ff_libspeex_encoder;
extern AVCodec ff_libspeex_decoder;
+extern AVCodec ff_libsvt_hevc_encoder;
extern AVCodec ff_libtheora_encoder;
extern AVCodec ff_libtwolame_encoder;
extern AVCodec ff_libvo_amrwbenc_encoder;
diff --git a/libavcodec/libsvt_hevc.c b/libavcodec/libsvt_hevc.c
new file mode 100644
index 0000000000..d9ac04c19a
--- /dev/null
+++ b/libavcodec/libsvt_hevc.c
@@ -0,0 +1,501 @@
+/*
+* Scalable Video Technology for HEVC encoder library plugin
+*
+* Copyright (c) 2019 Intel Corporation
+*
+* 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 this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include "EbErrorCodes.h"
+#include "EbTime.h"
+#include "EbApi.h"
+
+#include "libavutil/common.h"
+#include "libavutil/frame.h"
+#include "libavutil/opt.h"
+
+#include "internal.h"
+#include "avcodec.h"
+
+typedef enum eos_status {
+ EOS_NOT_REACHED = 0,
+ EOS_SENT,
+ EOS_RECEIVED
+}EOS_STATUS;
+
+typedef struct SvtContext {
+ AVClass *class;
+
+ EB_H265_ENC_CONFIGURATION enc_params;
+ EB_COMPONENTTYPE *svt_handle;
+ EB_BUFFERHEADERTYPE in_buf;
+ EOS_STATUS eos_flag;
+
+ // User options.
+ int profile;
+ int hierarchical_level;
+ int enc_mode;
+ int tier;
+ int level;
+ int rc_mode;
+ int scd;
+ int tune;
+ int base_layer_switch_mode;
+ int qp;
+ int aud;
+ int asm_type;
+ int forced_idr;
+ int la_depth;
+} SvtContext;
+
+static int error_mapping(EB_ERRORTYPE svt_ret)
+{
+ switch (svt_ret) {
+ case EB_ErrorInsufficientResources:
+ return AVERROR(ENOMEM);
+
+ case EB_ErrorUndefined:
+ case EB_ErrorInvalidComponent:
+ case EB_ErrorBadParameter:
+ return AVERROR(EINVAL);
+
+ case EB_ErrorDestroyThreadFailed:
+ case EB_ErrorSemaphoreUnresponsive:
+ case EB_ErrorDestroySemaphoreFailed:
+ case EB_ErrorCreateMutexFailed:
+ case EB_ErrorMutexUnresponsive:
+ case EB_ErrorDestroyMutexFailed:
+ return AVERROR_EXTERNAL;
+
+ case EB_NoErrorEmptyQueue:
+ return AVERROR(EAGAIN);
+
+ case EB_ErrorNone:
+ return 0;
+
+ default:
+ return AVERROR_UNKNOWN;
+ }
+}
+
+static void free_buffer(SvtContext *svt_enc)
+{
+ uint8_t *in_data = svt_enc->in_buf.pBuffer;
+
+ av_freep(&in_data);
+}
+
+static EB_ERRORTYPE alloc_buffer(SvtContext *svt_enc)
+{
+ EB_BUFFERHEADERTYPE *in_buf = &svt_enc->in_buf;
+ EB_H265_ENC_INPUT *in_data = NULL;
+
+ memset(in_buf, 0, sizeof(*in_buf));
+ in_buf->nSize = sizeof(*in_buf);
+ in_buf->sliceType = EB_INVALID_PICTURE;
+
+ in_data = (EB_H265_ENC_INPUT *)av_mallocz(sizeof(*in_data));
+ if (in_data) {
+ in_buf->pBuffer = (uint8_t *)in_data;
+ return EB_ErrorNone;
+ } else {
+ return EB_ErrorInsufficientResources;
+ }
+}
+
+static int config_enc_params(EB_H265_ENC_CONFIGURATION *param,
+ AVCodecContext *avctx)
+{
+ SvtContext *svt_enc = avctx->priv_data;
+
+ param->sourceWidth = avctx->width;
+ param->sourceHeight = avctx->height;
+
+ if ((avctx->pix_fmt == AV_PIX_FMT_YUV420P10) ||
+ (avctx->pix_fmt == AV_PIX_FMT_YUV422P10) ||
+ (avctx->pix_fmt == AV_PIX_FMT_YUV444P10)) {
+ av_log(avctx, AV_LOG_DEBUG, "Set 10 bits depth input\n");
+ param->encoderBitDepth = 10;
+ } else {
+ av_log(avctx, AV_LOG_DEBUG, "Set 8 bits depth input\n");
+ param->encoderBitDepth = 8;
+ }
+
+ if ((avctx->pix_fmt == AV_PIX_FMT_YUV420P) ||
+ (avctx->pix_fmt == AV_PIX_FMT_YUV420P10))
+ param->encoderColorFormat = EB_YUV420;
+ else if ((avctx->pix_fmt == AV_PIX_FMT_YUV422P) ||
+ (avctx->pix_fmt == AV_PIX_FMT_YUV422P10))
+ param->encoderColorFormat = EB_YUV422;
+ else
+ param->encoderColorFormat = EB_YUV444;
+
+ param->profile = svt_enc->profile;
+
+ if (FF_PROFILE_HEVC_MAIN_STILL_PICTURE == param->profile) {
+ av_log(avctx, AV_LOG_ERROR, "Main Still Picture Profile not supported\n");
+ return EB_ErrorBadParameter;
+ }
+
+ if ((param->encoderColorFormat >= EB_YUV422) &&
+ (param->profile != FF_PROFILE_HEVC_REXT)) {
+ av_log(avctx, AV_LOG_WARNING, "Rext Profile forced for 422 or 444\n");
+ param->profile = FF_PROFILE_HEVC_REXT;
+ }
+
+ if ((FF_PROFILE_HEVC_MAIN == param->profile) &&
+ (param->encoderBitDepth > 8)) {
+ av_log(avctx, AV_LOG_WARNING, "Main10 Profile forced for 10 bits\n");
+ param->profile = FF_PROFILE_HEVC_MAIN_10;
+ }
+
+ param->targetBitRate = avctx->bit_rate;
+
+ if (avctx->gop_size > 0)
+ param->intraPeriodLength = avctx->gop_size - 1;
+
+ if ((avctx->framerate.num > 0) && (avctx->framerate.den > 0)) {
+ param->frameRateNumerator = avctx->framerate.num;
+ param->frameRateDenominator =
+ avctx->framerate.den * avctx->ticks_per_frame;
+ } else {
+ param->frameRateNumerator = avctx->time_base.den;
+ param->frameRateDenominator =
+ avctx->time_base.num * avctx->ticks_per_frame;
+ }
+
+ if (param->rateControlMode) {
+ param->maxQpAllowed = avctx->qmax;
+ param->minQpAllowed = avctx->qmin;
+ }
+
+ param->hierarchicalLevels = svt_enc->hierarchical_level;
+ param->encMode = svt_enc->enc_mode;
+ param->tier = svt_enc->tier;
+ param->level = svt_enc->level;
+ param->rateControlMode = svt_enc->rc_mode;
+ param->sceneChangeDetection = svt_enc->scd;
+ param->tune = svt_enc->tune;
+ param->baseLayerSwitchMode = svt_enc->base_layer_switch_mode;
+ param->qp = svt_enc->qp;
+ param->accessUnitDelimiter = svt_enc->aud;
+ param->asmType = svt_enc->asm_type;
+
+ param->intraRefreshType = svt_enc->forced_idr + 1;
+
+ if (svt_enc->la_depth != -1)
+ param->lookAheadDistance = svt_enc->la_depth;
+
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
+ param->codeVpsSpsPps = 0;
+ else
+ param->codeVpsSpsPps = 1;
+
+ param->codeEosNal = 1;
+
+ return EB_ErrorNone;
+}
+
+static void read_in_data(EB_H265_ENC_CONFIGURATION *config,
+ const AVFrame *frame,
+ EB_BUFFERHEADERTYPE *header_ptr)
+{
+ uint8_t is16bit;
+ uint64_t frame_size;
+ EB_H265_ENC_INPUT *in_data = (EB_H265_ENC_INPUT *)header_ptr->pBuffer;
+
+ is16bit = config->encoderBitDepth > 8;
+ frame_size = (uint64_t)(config->sourceWidth * config->sourceHeight) << is16bit;
+
+ in_data->luma = frame->data[0];
+ in_data->cb = frame->data[1];
+ in_data->cr = frame->data[2];
+
+ in_data->yStride = frame->linesize[0] >> is16bit;
+ in_data->cbStride = frame->linesize[1] >> is16bit;
+ in_data->crStride = frame->linesize[2] >> is16bit;
+
+ if (config->encoderColorFormat == EB_YUV420)
+ frame_size *= 3/2u;
+ else if (config->encoderColorFormat == EB_YUV422)
+ frame_size *= 2u;
+ else
+ frame_size *= 3u;
+
+ header_ptr->nFilledLen += frame_size;
+}
+
+static av_cold int eb_enc_init(AVCodecContext *avctx)
+{
+ SvtContext *svt_enc = avctx->priv_data;
+ EB_ERRORTYPE svt_ret;
+
+ svt_enc->eos_flag = EOS_NOT_REACHED;
+
+ svt_ret = EbInitHandle(&svt_enc->svt_handle, svt_enc, &svt_enc->enc_params);
+ if (svt_ret != EB_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to init handle\n");
+ return error_mapping(svt_ret);
+ }
+
+ svt_ret = config_enc_params(&svt_enc->enc_params, avctx);
+ if (svt_ret != EB_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to config parameters\n");
+ goto failed_init_handle;
+ }
+
+ svt_ret = EbH265EncSetParameter(svt_enc->svt_handle, &svt_enc->enc_params);
+ if (svt_ret != EB_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to set parameters\n");
+ goto failed_init_handle;
+ }
+
+ svt_ret = EbInitEncoder(svt_enc->svt_handle);
+ if (svt_ret != EB_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to init encoder\n");
+ goto failed_init_handle;
+ }
+
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
+ EB_BUFFERHEADERTYPE *header_ptr = NULL;
+
+ svt_ret = EbH265EncStreamHeader(svt_enc->svt_handle, &header_ptr);
+ if (svt_ret != EB_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to build stream header\n");
+ goto failed_init_encoder;
+ }
+
+ avctx->extradata_size = header_ptr->nFilledLen;
+ avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!avctx->extradata) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to allocate extradata\n");
+ svt_ret = EB_ErrorInsufficientResources;
+ goto failed_init_encoder;
+ }
+ memcpy(avctx->extradata, header_ptr->pBuffer, avctx->extradata_size);
+ memset((void *)(avctx->extradata+avctx->extradata_size), 0, AV_INPUT_BUFFER_PADDING_SIZE);
+ }
+
+ svt_ret = alloc_buffer(svt_enc);
+ if (svt_ret != EB_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to alloc data buffer\n");
+ goto failed_init_encoder;
+ }
+ return 0;
+
+failed_init_encoder:
+ EbDeinitEncoder(svt_enc->svt_handle);
+failed_init_handle:
+ EbDeinitHandle(svt_enc->svt_handle);
+ svt_enc->svt_handle = NULL;
+ svt_enc = NULL;
+ return error_mapping(svt_ret);
+}
+
+static int eb_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
+{
+ SvtContext *svt_enc = avctx->priv_data;
+ EB_BUFFERHEADERTYPE *header_ptr = &svt_enc->in_buf;
+ EB_ERRORTYPE svt_ret;
+ int av_ret;
+
+ if (EOS_RECEIVED == svt_enc->eos_flag) {
+ *got_packet = 0;
+ return 0;
+ }
+
+ if (!frame) {
+ if (!svt_enc->eos_flag) {
+ svt_enc->eos_flag = EOS_SENT;
+
+ header_ptr->nAllocLen = 0;
+ header_ptr->nFilledLen = 0;
+ header_ptr->nTickCount = 0;
+ header_ptr->pBuffer = NULL;
+ header_ptr->nFlags = EB_BUFFERFLAG_EOS;
+
+ EbH265EncSendPicture(svt_enc->svt_handle, header_ptr);
+
+ av_log(avctx, AV_LOG_DEBUG, "Sent EOS\n");
+ }
+ } else {
+ read_in_data(&svt_enc->enc_params, frame, header_ptr);
+ header_ptr->pts = frame->pts;
+
+ EbH265EncSendPicture(svt_enc->svt_handle, header_ptr);
+
+ av_log(avctx, AV_LOG_DEBUG, "Sent PTS %"PRId64"\n", header_ptr->pts);
+ }
+
+ header_ptr = NULL;
+ svt_ret = EbH265GetPacket(svt_enc->svt_handle, &header_ptr, svt_enc->eos_flag);
+
+ if (svt_ret == EB_NoErrorEmptyQueue) {
+ *got_packet = 0;
+ av_log(avctx, AV_LOG_DEBUG, "Received none\n");
+ return 0;
+ }
+
+ av_log(avctx, AV_LOG_DEBUG, "Received PTS %"PRId64" packet\n", header_ptr->pts);
+
+ av_ret = ff_alloc_packet2(avctx, pkt, header_ptr->nFilledLen, 0);
+ if (av_ret) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to allocate a packet\n");
+ EbH265ReleaseOutBuffer(&header_ptr);
+ return av_ret;
+ }
+
+ memcpy(pkt->data, header_ptr->pBuffer, header_ptr->nFilledLen);
+ pkt->size = header_ptr->nFilledLen;
+ pkt->pts = header_ptr->pts;
+ pkt->dts = header_ptr->dts;
+
+ if ((header_ptr->sliceType == EB_IDR_PICTURE) ||
+ (header_ptr->sliceType == EB_I_PICTURE))
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ if (header_ptr->sliceType == EB_NON_REF_PICTURE)
+ pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
+
+ EbH265ReleaseOutBuffer(&header_ptr);
+
+ *got_packet = 1;
+
+ if (EB_BUFFERFLAG_EOS == header_ptr->nFlags)
+ svt_enc->eos_flag = EOS_RECEIVED;
+
+ return 0;
+}
+
+static av_cold int eb_enc_close(AVCodecContext *avctx)
+{
+ SvtContext *svt_enc = avctx->priv_data;
+
+ if (svt_enc) {
+ free_buffer(svt_enc);
+
+ if (svt_enc->svt_handle) {
+ EbDeinitEncoder(svt_enc->svt_handle);
+ EbDeinitHandle(svt_enc->svt_handle);
+ svt_enc->svt_handle = NULL;
+ }
+
+ svt_enc = NULL;
+ }
+
+ return 0;
+}
+
+#define OFFSET(x) offsetof(SvtContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "asm_type", "Assembly instruction set type [0: C Only, 1: Auto]", OFFSET(asm_type),
+ AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
+
+ { "aud", "Include Access Unit Delimiter", OFFSET(aud),
+ AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+
+ { "bl_mode", "Random Access Prediction Structure type setting", OFFSET(base_layer_switch_mode),
+ AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+
+ { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr),
+ AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+
+ { "hielevel", "Hierarchical prediction levels setting", OFFSET(hierarchical_level),
+ AV_OPT_TYPE_INT, { .i64 = 3 }, 0, 3, VE , "hielevel"},
+ { "flat", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "hielevel" },
+ { "1 level", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "hielevel" },
+ { "2 level", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, VE, "hielevel" },
+ { "3 level", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, INT_MIN, INT_MAX, VE, "hielevel" },
+
+ { "la_depth", "Look ahead distance [0, 256]", OFFSET(la_depth),
+ AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 256, VE },
+
+ { "level", "Set level (level_idc)", OFFSET(level),
+ AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 0xff, VE, "level" },
+
+ { "preset", "Encoding preset [0, 12]",
+ OFFSET(enc_mode), AV_OPT_TYPE_INT, { .i64 = 9 }, 0, 12, VE },
+
+ { "profile", "Profile setting, Main Still Picture Profile not supported", OFFSET(profile),
+ AV_OPT_TYPE_INT, { .i64 = FF_PROFILE_HEVC_MAIN }, FF_PROFILE_HEVC_MAIN, FF_PROFILE_HEVC_REXT, VE, "profile"},
+
+ { "qp", "QP value for intra frames", OFFSET(qp),
+ AV_OPT_TYPE_INT, { .i64 = 32 }, 0, 51, VE },
+
+ { "rc", "Bit rate control mode", OFFSET(rc_mode),
+ AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE , "rc"},
+ { "cqp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "rc" },
+ { "vbr", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "rc" },
+
+ { "sc_detection", "Scene change detection", OFFSET(scd),
+ AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
+
+ { "tier", "Set tier (general_tier_flag)", OFFSET(tier),
+ AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, "tier" },
+ { "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "tier" },
+ { "high", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, VE, "tier" },
+
+ { "tune", "Quality tuning mode", OFFSET(tune), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 2, VE, "tune" },
+ { "sq", "Visually optimized mode", 0,
+ AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "tune" },
+ { "oq", "PSNR / SSIM optimized mode", 0,
+ AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "tune" },
+ { "vmaf", "VMAF optimized mode", 0,
+ AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, VE, "tune" },
+
+ {NULL},
+};
+
+static const AVClass class = {
+ .class_name = "libsvt_hevc",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault eb_enc_defaults[] = {
+ { "b", "7M" },
+ { "flags", "+cgop" },
+ { "qmin", "10" },
+ { "qmax", "48" },
+ { "g", "-2" },
+ { NULL },
+};
+
+AVCodec ff_libsvt_hevc_encoder = {
+ .name = "libsvt_hevc",
+ .long_name = NULL_IF_CONFIG_SMALL("SVT-HEVC(Scalable Video Technology for HEVC) encoder"),
+ .priv_data_size = sizeof(SvtContext),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_HEVC,
+ .init = eb_enc_init,
+ .encode2 = eb_encode_frame,
+ .close = eb_enc_close,
+ .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV420P10,
+ AV_PIX_FMT_YUV422P,
+ AV_PIX_FMT_YUV420P10,
+ AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_YUV444P10,
+ AV_PIX_FMT_NONE },
+ .priv_class = &class,
+ .defaults = eb_enc_defaults,
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
+ .wrapper_name = "libsvt_hevc",
+};
--
2.22.0
From 87228283897cee47ea4166987cd2242a569ee591 Mon Sep 17 00:00:00 2001
From: Jing SUN <jing.a.sun@intel.com>
Date: Thu, 30 May 2019 19:35:37 +0800
Subject: [PATCH 2/2] doc: Add libsvt_hevc encoder docs
Add docs for libsvt_hevc encoder in encoders.texi and general.texi
RiCON: removed general.texi modifications to prevent conflicts
Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Zhengxu Huang <zhengxu.huang@intel.com>
Signed-off-by: Hassene Tmar <hassene.tmar@intel.com>
Signed-off-by: Jing Sun <jing.a.sun@intel.com>
---
doc/encoders.texi | 149 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 149 insertions(+)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index eefd124751..81debda5a8 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1640,6 +1640,155 @@ Set maximum NAL size in bytes.
Allow skipping frames to hit the target bitrate if set to 1.
@end table
+@section libsvt_hevc
+
+Scalable Video Technology for HEVC (SVT-HEVC) encoder wrapper.
+
+This encoder requires the presence of the headers and
+library during configuration. You need to explicitly configure the
+build with @code{--enable-libsvthevc}. The library is detected using
+@command{pkg-config}.
+
+For more information about the library see
+@url{https://github.com/intel/SVT-HEVC.git}.
+
+@subsection Options
+
+The following FFmpeg global options affect the configurations of the
+libsvt_hevc encoder:
+
+@table @option
+@item b (@emph{bitrate})
+Set the bitrate (as a number of bits per second). Default is 7M.
+
+@item g / @option{gop_size}
+Set the GOP size. Default is -2 (unspecified).
+
+@item flags +cgop
+Enable closed GOP.
+
+@item qmin (@emph{min-q})
+Default is 10
+
+@item qmax (@emph{max-q})
+Default is 48
+
+Set minimum/maximum quantisation values. Valid range is from 0 to 51
+(Only used when bit rate control mode @option{rc} is set to 1(vbr) mode.
+It is required that qmax >= qmin).
+
+@item profile (@emph{profile})
+Set profile restrictions. Can assume one of the following possible values:
+
+@table @samp
+@item main
+main profile
+@item main10
+main10 profile
+@item rext
+rext profile
+@end table
+
+Default is 1 (main).
+
+@item level (@emph{level})
+
+@option{level} sets the value of @emph{level}.
+Set level (level_idc). Default is 0 (to be determined by the encoder).
+
+@end table
+
+The encoder also has its own specific options:
+
+@table @option
+@item aud (@emph{aud})
+Enable use of access unit delimiters when set to 1. Default is 0 (Off).
+
+@item hielevel
+Set hierarchical levels. Can assume one of the following possible values:
+
+@table @samp
+@item flat
+flat more
+@item 1 level
+Minigop size is 2^1
+@item 2 level
+Minigop size is 2^2
+@item 3 level
+Minigop size is 2^3
+@end table
+
+Default is 3 level.
+
+@item la_depth
+Set look-ahead depth, depending on @option{rc}: for @var{vbr}, it's recommended
+to unset it and use the default value (the intra period); for @var{cqp}, better
+specify the look-ahead depth.
+
+The range is @var{-1-256}. Default is -1 (unset and the default value to be used).
+
+@item preset
+Set the quality vs density tradeoff point at which the encoding is to be performed.
+Higher perset value, higher density and lower quality.
+
+The range is @var{0-12}. Default is 9.
+
+@item tier
+Set @emph{general_tier_flag}. This may affect the level chosen for the stream
+if it is not explicitly specified. Can assume one of the following possible values:
+
+@table @samp
+@item main
+main tier
+@item high
+high tier
+@end table
+
+Default is 1 (main).
+
+@item rc
+Set bit rate control mode. Can assume one of the following possible values:
+
+@table @samp
+@item cqp
+Constant QP (CQP) mode
+@item vbr
+Variable Bit Rate (VBR) mode
+@end table
+
+Default is 0 (cqp).
+
+@item forced_idr
+Force keyframes to be IDR if set to 1. Default is 0 (CRA).
+
+@item asm_type
+Auto select highest supported asm if set to 1 or C only if 0. Default is 1.
+
+@item qp
+Initial quantization parameter for the intra pictures used when
+@option{rc} is cqp mode. The range is from @var{0-51}. Default is 32.
+
+@item sc_detection
+Enables or disables the scene change detection algorithm. Default is 0 (disabled).
+
+@item tune
+Set quality tuning mode. Can assume one of the following possible values:
+
+@table @samp
+@item sq
+Visually optimized mode
+@item oq
+PSNR / SSIM optimized mode
+@item vmaf
+VMAF optimized mode
+@end table
+
+Default is 1 (oq).
+
+@item bl_mode
+Enables or disables Random Access Prediction. Default is 0 (disabled).
+@end table
+
@section libtheora
libtheora Theora encoder wrapper.
--
2.22.0
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment