[FFmpeg-devel] [PATCH V1 1/2] lavc/svt_hevc: add libsvt hevc encoder wrapper.
James Almer
jamrial at gmail.com
Sun Dec 2 16:12:00 EET 2018
On 12/2/2018 7:24 AM, Steven Liu wrote:
>
>
>> On Dec 2, 2018, at 13:38, Jun Zhao <mypopydev at gmail.com> wrote:
>>
>> base on patch by Huang, Zhengxu from https://github.com/intel/SVT-HEVC
>>
>> Signed-off-by: Huang, Zhengxu <zhengxu.huang at intel.com>
>> Signed-off-by: hassene <hassene.tmar at intel.com>
>> Signed-off-by: Jun Zhao <jun.zhao at intel.com>
>> ---
>> configure | 4 +
>> libavcodec/Makefile | 1 +
>> libavcodec/allcodecs.c | 1 +
>> libavcodec/libsvt_hevc.c | 370 ++++++++++++++++++++++++++++++++++++++++++++++
>> 4 files changed, 376 insertions(+), 0 deletions(-)
>> create mode 100644 libavcodec/libsvt_hevc.c
>>
>> diff --git a/configure b/configure
>> index 54b7e11..c3dca73 100755
>> --- a/configure
>> +++ b/configure
>> @@ -263,6 +263,7 @@ 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-libsvt 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]
>> @@ -1665,6 +1666,7 @@ EXTERNAL_LIBRARY_GPL_LIST="
>> libcdio
>> libdavs2
>> librubberband
>> + libsvt
>> libvidstab
>> libx264
>> libx265
>> @@ -3087,6 +3089,7 @@ pcm_mulaw_at_encoder_select="audio_frame_queue"
>> chromaprint_muxer_deps="chromaprint"
>> h264_videotoolbox_encoder_deps="pthreads"
>> h264_videotoolbox_encoder_select="videotoolbox_encoder"
>> +hevc_svt_encoder_deps="libsvt"
>> hevc_videotoolbox_encoder_deps="pthreads"
>> hevc_videotoolbox_encoder_select="videotoolbox_encoder"
>> libaom_av1_decoder_deps="libaom"
>> @@ -6147,6 +6150,7 @@ 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 libsvt && require_pkg_config libsvt svt 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 5feadac..1a8b547 100644
>> --- a/libavcodec/Makefile
>> +++ b/libavcodec/Makefile
>> @@ -374,6 +374,7 @@ OBJS-$(CONFIG_HEVC_QSV_DECODER) += qsvdec_h2645.o
>> OBJS-$(CONFIG_HEVC_QSV_ENCODER) += qsvenc_hevc.o hevc_ps_enc.o \
>> hevc_data.o
>> OBJS-$(CONFIG_HEVC_RKMPP_DECODER) += rkmppdec.o
>> +OBJS-$(CONFIG_HEVC_SVT_ENCODER) += libsvt_hevc.o
>> OBJS-$(CONFIG_HEVC_VAAPI_ENCODER) += vaapi_encode_h265.o h265_profile_level.o
>> OBJS-$(CONFIG_HEVC_V4L2M2M_DECODER) += v4l2_m2m_dec.o
>> OBJS-$(CONFIG_HEVC_V4L2M2M_ENCODER) += v4l2_m2m_enc.o
>> diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
>> index d70646e..ff8ea94 100644
>> --- a/libavcodec/allcodecs.c
>> +++ b/libavcodec/allcodecs.c
>> @@ -749,6 +749,7 @@ extern AVCodec ff_hevc_cuvid_decoder;
>> extern AVCodec ff_hevc_mediacodec_decoder;
>> extern AVCodec ff_hevc_nvenc_encoder;
>> extern AVCodec ff_hevc_qsv_encoder;
>> +extern AVCodec ff_hevc_svt_encoder;
>> extern AVCodec ff_hevc_v4l2m2m_encoder;
>> extern AVCodec ff_hevc_vaapi_encoder;
>> extern AVCodec ff_hevc_videotoolbox_encoder;
>> diff --git a/libavcodec/libsvt_hevc.c b/libavcodec/libsvt_hevc.c
>> new file mode 100644
>> index 0000000..1e10111
>> --- /dev/null
>> +++ b/libavcodec/libsvt_hevc.c
>> @@ -0,0 +1,370 @@
>> +/*
>> +* Scalable Video Technology for HEVC encoder library plugin
>> +*
>> +* Copyright (c) 2018 Intel Corporation
>> +*
>> +* This program 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.
>> +*
>> +* This program 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 struct SvtEncoder {
>> + EB_H265_ENC_CONFIGURATION enc_params;
>> + EB_COMPONENTTYPE *svt_handle;
>> + EB_BUFFERHEADERTYPE *in_buf;
>> + EB_BUFFERHEADERTYPE *out_buf;
>> + int raw_size;
>> +} SvtEncoder;
>> +
>> +typedef struct SvtParams {
>> + int vui_info;
>> + int hierarchical_level;
>> + int la_depth;
>> + int intra_ref_type;
>> + int enc_mode;
>> + int rc_mode;
>> + int scd;
>> + int tune;
>> + int qp;
>> + int profile;
>> + int base_layer_switch_mode;
>> +}SvtParams;
>> +
>> +typedef struct SvtContext {
>> + AVClass *class;
>> + SvtEncoder *svt_enc;
>> + SvtParams svt_param;
>> + int eos_flag;
>> +} SvtContext;
>> +
>> +static void free_buffer(SvtEncoder *svt_enc)
>> +{
>> + if (svt_enc->in_buf) {
>> + EB_H265_ENC_INPUT *in_data = (EB_H265_ENC_INPUT *)svt_enc->in_buf->pBuffer;
>> + av_freep(&in_data);
>> + av_freep(&svt_enc->in_buf);
>> + }
>> + av_freep(&svt_enc->out_buf);
>> +}
>> +
>> +static EB_ERRORTYPE alloc_buffer(EB_H265_ENC_CONFIGURATION *config, SvtEncoder *svt_enc)
>> +{
>> + EB_ERRORTYPE ret = EB_ErrorNone;
>> +
>> + const int pack_mode_10bit = (config->encoderBitDepth > 8) && (config->compressedTenBitFormat == 0) ? 1 : 0;
>> + const size_t luma_size_8bit = config->sourceWidth * config->sourceHeight * (1 << pack_mode_10bit);
>> + const size_t luma_size_10bit = (config->encoderBitDepth > 8 && pack_mode_10bit == 0) ? luma_size_8bit : 0;
>> +
>> + svt_enc->raw_size = (luma_size_8bit + luma_size_10bit) * 3 / 2;
>> +
>> + // allocate buffer for in and out
>> + svt_enc->in_buf = av_mallocz(sizeof(EB_BUFFERHEADERTYPE));
>> + svt_enc->out_buf = av_mallocz(sizeof(EB_BUFFERHEADERTYPE));
>> + if (!svt_enc->in_buf || !svt_enc->out_buf)
>> + goto failed;
>> +
>> + svt_enc->in_buf->pBuffer = av_mallocz(sizeof(EB_H265_ENC_INPUT));
>> + if (!svt_enc->in_buf->pBuffer)
>> + goto failed;
>> +
>> + svt_enc->in_buf->nSize = sizeof(EB_BUFFERHEADERTYPE);
>> + svt_enc->in_buf->pAppPrivate = NULL;
>> + svt_enc->out_buf->nSize = sizeof(EB_BUFFERHEADERTYPE);
>> + svt_enc->out_buf->nAllocLen = svt_enc->raw_size;
>> + svt_enc->out_buf->pAppPrivate = NULL;
>> +
>> + return ret;
>> +
>> +failed:
>> + free_buffer(svt_enc);
>> + return AVERROR(ENOMEM);
>> +}
>> +
>> +static int error_mapping(int val)
>> +{
>> + if (val == EB_ErrorInsufficientResources)
>> + return AVERROR(ENOMEM);
>> + if ((val == EB_ErrorUndefined) || (val == EB_ErrorInvalidComponent) ||
>> + (val == EB_ErrorBadParameter))
>> + return AVERROR(EINVAL);
>> + return AVERROR_EXTERNAL;
>> +}
>> +
>> +static EB_ERRORTYPE config_enc_params(EB_H265_ENC_CONFIGURATION *param, AVCodecContext *avctx)
>> +{
>> + SvtContext *q = avctx->priv_data;
>> + SvtEncoder *svt_enc = q->svt_enc;
>> + EB_ERRORTYPE ret = EB_ErrorNone;
>> + int tenBits = 0;
> Camelcase ?
>> +
>> + param->sourceWidth = avctx->width;
>> + param->sourceHeight = avctx->height;
>> +
>> + if (avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE) {
>> + av_log(avctx, AV_LOG_DEBUG , "Encoder 10 bits depth input\n");
>> + param->compressedTenBitFormat = 0;
>> + tenBits = 1;
>> + }
>> +
> maybe need check q->svt_param first.
>>
>> + // Update param from options
>> + param->hierarchicalLevels = q->svt_param.hierarchical_level;
>> + param->encMode = q->svt_param.enc_mode;
>> + param->intraRefreshType = q->svt_param.intra_ref_type;
>> + param->profile = q->svt_param.profile;
>> + param->rateControlMode = q->svt_param.rc_mode;
>> + param->sceneChangeDetection = q->svt_param.scd;
>> + param->tune = q->svt_param.tune;
>> + param->baseLayerSwitchMode = q->svt_param.base_layer_switch_mode;
>> + param->qp = q->svt_param.qp;
>> +
>> + param->targetBitRate = avctx->bit_rate;
>> + param->intraPeriodLength = avctx->gop_size-1;
>> + param->frameRateNumerator = avctx->time_base.den;
>> + param->frameRateDenominator = avctx->time_base.num * avctx->ticks_per_frame;
>> +
>> + param->codeVpsSpsPps = 0;
>> +
>> + if (q->svt_param.vui_info)
>> + param->videoUsabilityInfo = q->svt_param.vui_info;
>> + if (q->svt_param.la_depth != -1)
>> + param->lookAheadDistance = q->svt_param.la_depth;
>> +
>> + if (tenBits == 1) {
>> + param->encoderBitDepth = 10;
>> + param->profile = 2;
>> + }
>> +
>> + ret = alloc_buffer(param, svt_enc);
>> +
>> + return ret;
>> +}
>> +
>> +static void read_in_data(EB_H265_ENC_CONFIGURATION *config, const AVFrame* frame, EB_BUFFERHEADERTYPE *headerPtr)
>> +{
>> + unsigned int is16bit = config->encoderBitDepth > 8;
>> + unsigned long long lumaReadSize = (unsigned long long)config->sourceWidth * config->sourceHeight<< is16bit;
> what about use uint64_t?
>> + EB_H265_ENC_INPUT *in_data = (EB_H265_ENC_INPUT*)headerPtr->pBuffer;
>> +
>> + // support yuv420p and yuv420p010
>> + in_data->luma = frame->data[0];
>> + in_data->cb = frame->data[1];
>> + in_data->cr = frame->data[2];
>> +
>> + // stride info
>> + in_data->yStride = frame->linesize[0] >> is16bit;
>> + in_data->cbStride = frame->linesize[1] >> is16bit;
>> + in_data->crStride = frame->linesize[2] >> is16bit;
>> +
>> + headerPtr->nFilledLen += lumaReadSize * 3/2u;
>> +}
>> +
>> +static av_cold int eb_enc_init(AVCodecContext *avctx)
>> +{
>> + SvtContext *q = avctx->priv_data;
>> + SvtEncoder *svt_enc = NULL;
>> + EB_ERRORTYPE ret = EB_ErrorNone;
>> +
>> + q->svt_enc = av_mallocz(sizeof(*q->svt_enc));
>> + if (!q->svt_enc)
>> + return AVERROR(ENOMEM);
>> + svt_enc = q->svt_enc;
>> +
>> + q->eos_flag = 0;
>> +
>> + ret = EbInitHandle(&svt_enc->svt_handle, q, &svt_enc->enc_params);
>> + if (ret != EB_ErrorNone)
>> + goto failed_init;
>> +
>> + ret = config_enc_params(&svt_enc->enc_params, avctx);
>> + if (ret != EB_ErrorNone)
>> + goto failed_init;
>> +
>> + ret = EbH265EncSetParameter(svt_enc->svt_handle, &svt_enc->enc_params);
>> + if (ret != EB_ErrorNone)
>> + goto failed_init;
>> +
>> + ret = EbInitEncoder(svt_enc->svt_handle);
>> + if (ret != EB_ErrorNone)
>> + goto failed_init;
>> +
>> + if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
>> +
>> + EB_BUFFERHEADERTYPE headerPtr;
>> + headerPtr.nSize = sizeof(EB_BUFFERHEADERTYPE);
>> + headerPtr.nFilledLen = 0;
>> + headerPtr.pBuffer = av_malloc(10 * 1024 * 1024);
>> + headerPtr.nAllocLen = (10 * 1024 * 1024);
>> +
>> + if (!headerPtr.pBuffer)
>> + return AVERROR(ENOMEM);
>> +
>> + ret = EbH265EncStreamHeader(svt_enc->svt_handle, &headerPtr);
>> + if (ret != EB_ErrorNone) {
>> + av_freep(&headerPtr.pBuffer);
>> + goto failed_init;
>> + }
>> + avctx->extradata_size = headerPtr.nFilledLen;
>> + avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
>> + if (!avctx->extradata) {
>> + av_log(avctx, AV_LOG_ERROR,
>> + "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
>> + return AVERROR(ENOMEM);
>> + }
>> + memcpy(avctx->extradata, headerPtr.pBuffer, avctx->extradata_size);
>> + av_freep(&headerPtr.pBuffer);
>> + }
>> + return 0;
>> +
>> +failed_init:
> add av_free(q->svt_enc) ?
The codec has the FF_CODEC_CAP_INIT_CLEANUP capability, so close() will
be called if init() fails.
It should be ok as long as both EbDeinitEncoder() and EbDeinitHandle()
can be called if either EbInitHandle() or EbInitEncoder() failed.
>> + return error_mapping(ret);
>> +}
>> +
>> +static int eb_send_frame(AVCodecContext *avctx, const AVFrame *frame)
>> +{
>> + SvtContext *q = avctx->priv_data;
>> + SvtEncoder *svt_enc = q->svt_enc;
>> + EB_BUFFERHEADERTYPE *headerPtr = svt_enc->in_buf;
>> + int ret = 0;
>> +
>> + if (!frame) {
>> + EB_BUFFERHEADERTYPE headerPtrLast;
>> + headerPtrLast.nAllocLen = 0;
>> + headerPtrLast.nFilledLen = 0;
>> + headerPtrLast.nTickCount = 0;
>> + headerPtrLast.pAppPrivate = NULL;
>> + headerPtrLast.nOffset = 0;
>> + headerPtrLast.pBuffer = NULL;
>> + headerPtrLast.nFlags = EB_BUFFERFLAG_EOS;
>> + EbH265EncSendPicture(svt_enc->svt_handle, &headerPtrLast);
>> + q->eos_flag = 1;
>> + av_log(avctx, AV_LOG_DEBUG, "Finish sending frames!!!\n");
>> + return ret;
>> + }
>> +
>> + read_in_data(&svt_enc->enc_params, frame, headerPtr);
>> +
>> + headerPtr->nOffset = 0;
>> + headerPtr->nFlags = 0;
>> + headerPtr->pAppPrivate = NULL;
>> + headerPtr->pts = frame->pts;
>> + headerPtr->sliceType = INVALID_SLICE;
>> + EbH265EncSendPicture(svt_enc->svt_handle, headerPtr);
>> +
>> + return ret;
>> +}
>> +
>> +static int eb_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
>> +{
>> + SvtContext *q = avctx->priv_data;
>> + SvtEncoder *svt_enc = q->svt_enc;
>> + EB_BUFFERHEADERTYPE *headerPtr = svt_enc->out_buf;
>> + EB_ERRORTYPE stream_status = EB_ErrorNone;
>> + int ret = 0;
>> +
>> + if ((ret = ff_alloc_packet2(avctx, pkt, svt_enc->raw_size, 0)) < 0) {
>> + av_log(avctx, AV_LOG_ERROR, "Failed to allocate output packet.\n");
>> + return ret;
>> + }
>> + headerPtr->pBuffer = pkt->data;
>> + stream_status = EbH265GetPacket(svt_enc->svt_handle, headerPtr, q->eos_flag);
>> + if (stream_status == EB_NoErrorEmptyQueue)
>> + return AVERROR(EAGAIN);
>> +
>> + pkt->size = headerPtr->nFilledLen;
>> + pkt->pts = headerPtr->pts;
>> + pkt->dts = headerPtr->dts;
>> + if (headerPtr->sliceType == IDR_SLICE)
>> + pkt->flags |= AV_PKT_FLAG_KEY;
>> + if (headerPtr->sliceType == NON_REF_SLICE)
>> + pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
>> +
>> + ret = (headerPtr->nFlags & EB_BUFFERFLAG_EOS) ? AVERROR_EOF : 0;
>> + return ret;
>> +}
>> +
>> +static av_cold int eb_enc_close(AVCodecContext *avctx)
>> +{
>> + SvtContext *q = avctx->priv_data;
>> + SvtEncoder *svt_enc = q->svt_enc;
>> +
>> + EbDeinitEncoder(svt_enc->svt_handle);
>> + EbDeinitHandle(svt_enc->svt_handle);
>> +
>> + free_buffer(svt_enc);
>> + av_freep(&svt_enc);
>> +
>> + return 0;
>> +}
>> +
>> +#define OFFSET(x) offsetof(SvtContext, x)
>> +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
>> +static const AVOption options[] = {
>> + {"vui", "Enable vui info", OFFSET(svt_param.vui_info), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
>> + {"hielevel", "Hierarchical Prediction Levels [0,3]", OFFSET(svt_param.hierarchical_level), AV_OPT_TYPE_INT, { .i64 = 3 }, 0, 3, VE },
>> + {"la_depth", "Look Ahead Distance [0,256]", OFFSET(svt_param.la_depth), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 256, VE },
>> + {"intra_ref_type", "Intra Refresh Type 0: No intra refresh 1: CRA (Open GOP) 2: IDR", OFFSET(svt_param.intra_ref_type), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, VE },
>> + {"enc_p", "Encoding preset [0,12] (for tune 0 and >=4k resolution), [0,10] (for >= 1080p resolution), [0,9] (for all resolution and modes)", OFFSET(svt_param.enc_mode), AV_OPT_TYPE_INT, { .i64 = 9 }, 0, 12, VE },
>> + {"profile", "Profile now support[1,2], Main Still Picture Profile not supported", OFFSET(svt_param.profile), AV_OPT_TYPE_INT, { .i64 = 2 }, 1, 2, VE },
>> + {"rc", "RC mode 0: CQP 1: VBR", OFFSET(svt_param.rc_mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
>> + {"q", "QP value for intra frames", OFFSET(svt_param.qp), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, 51, VE },
>> + {"scd", "Scene change detection", OFFSET(svt_param.scd), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
>> + {"tune", "Tune mode: SQ/OQ[0,1]", OFFSET(svt_param.tune), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
>> + {"bl_mode", "Random Access Prediction Structure Type", OFFSET(svt_param.base_layer_switch_mode), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
>> + {NULL},
>> +};
>
> Need Document.
>> +
>> +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" },
>> + { "refs", "0" },
>> + { "g", "64" },
>> + { "flags", "+cgop" },
>> + { NULL },
>> +};
>> +
>> +AVCodec ff_hevc_svt_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,
>> + .send_frame = eb_send_frame,
>> + .receive_packet = eb_receive_packet,
>> + .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_NONE },
>> + .priv_class = &class,
>> + .defaults = eb_enc_defaults,
>> + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
>> + .wrapper_name = "libsvt_hevc",
>> +};
>> --
>> 1.7.1
>>
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> Thanks
> Steven
>
>
>
>
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
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>
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