forked from KolibriOS/kolibrios
570 lines
18 KiB
C
570 lines
18 KiB
C
/*
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* Intel MediaSDK QSV encoder utility functions
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*
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* copyright (c) 2013 Yukinori Yamazoe
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* copyright (c) 2015 Anton Khirnov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <string.h>
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#include <sys/types.h>
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#include <mfx/mfxvideo.h>
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#include "libavutil/common.h"
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#include "libavutil/mem.h"
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#include "libavutil/log.h"
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#include "libavutil/time.h"
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#include "libavutil/imgutils.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "qsv.h"
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#include "qsv_internal.h"
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#include "qsvenc.h"
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static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
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{
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const char *ratecontrol_desc;
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float quant;
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int ret;
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ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
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if (ret < 0)
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return AVERROR_BUG;
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q->param.mfx.CodecId = ret;
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q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
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if (avctx->level > 0)
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q->param.mfx.CodecLevel = avctx->level;
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q->param.mfx.CodecProfile = q->profile;
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q->param.mfx.TargetUsage = q->preset;
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q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
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q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
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q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
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MFX_GOP_CLOSED : 0;
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q->param.mfx.IdrInterval = q->idr_interval;
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q->param.mfx.NumSlice = avctx->slices;
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q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
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q->param.mfx.EncodedOrder = 0;
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q->param.mfx.BufferSizeInKB = 0;
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q->param.mfx.FrameInfo.FourCC = MFX_FOURCC_NV12;
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q->param.mfx.FrameInfo.CropX = 0;
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q->param.mfx.FrameInfo.CropY = 0;
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q->param.mfx.FrameInfo.CropW = avctx->width;
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q->param.mfx.FrameInfo.CropH = avctx->height;
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q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
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q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
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q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
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q->param.mfx.FrameInfo.BitDepthLuma = 8;
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q->param.mfx.FrameInfo.BitDepthChroma = 8;
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q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
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if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
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/* A true field layout (TFF or BFF) is not important here,
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it will specified later during frame encoding. But it is important
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to specify is frame progressive or not because allowed heigh alignment
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does depend by this.
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*/
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q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF;
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q->height_align = 32;
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} else {
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q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
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q->height_align = 16;
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}
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q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, q->height_align);
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if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
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q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
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q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
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} else {
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q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
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q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
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}
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if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
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q->param.mfx.RateControlMethod = MFX_RATECONTROL_CQP;
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ratecontrol_desc = "constant quantization parameter (CQP)";
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} else if (avctx->rc_max_rate == avctx->bit_rate) {
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q->param.mfx.RateControlMethod = MFX_RATECONTROL_CBR;
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ratecontrol_desc = "constant bitrate (CBR)";
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} else if (!avctx->rc_max_rate) {
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#if QSV_VERSION_ATLEAST(1,7)
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if (q->look_ahead) {
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q->param.mfx.RateControlMethod = MFX_RATECONTROL_LA;
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ratecontrol_desc = "lookahead (LA)";
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} else
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#endif
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{
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q->param.mfx.RateControlMethod = MFX_RATECONTROL_AVBR;
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ratecontrol_desc = "average variable bitrate (AVBR)";
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}
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} else {
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q->param.mfx.RateControlMethod = MFX_RATECONTROL_VBR;
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ratecontrol_desc = "variable bitrate (VBR)";
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}
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av_log(avctx, AV_LOG_VERBOSE, "Using the %s ratecontrol method\n", ratecontrol_desc);
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switch (q->param.mfx.RateControlMethod) {
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case MFX_RATECONTROL_CBR:
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case MFX_RATECONTROL_VBR:
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q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
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q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
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q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
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break;
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case MFX_RATECONTROL_CQP:
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quant = avctx->global_quality / FF_QP2LAMBDA;
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q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
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q->param.mfx.QPP = av_clip(quant, 0, 51);
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q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
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break;
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case MFX_RATECONTROL_AVBR:
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#if QSV_VERSION_ATLEAST(1,7)
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case MFX_RATECONTROL_LA:
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#endif
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q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
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q->param.mfx.Convergence = q->avbr_convergence;
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q->param.mfx.Accuracy = q->avbr_accuracy;
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break;
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}
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// the HEVC encoder plugin currently fails if coding options
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// are provided
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if (avctx->codec_id != AV_CODEC_ID_HEVC) {
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q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
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q->extco.Header.BufferSz = sizeof(q->extco);
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q->extco.CAVLC = avctx->coder_type == FF_CODER_TYPE_VLC ?
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MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
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q->extco.PicTimingSEI = q->pic_timing_sei ?
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MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
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q->extparam[0] = (mfxExtBuffer *)&q->extco;
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#if QSV_VERSION_ATLEAST(1,6)
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q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
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q->extco2.Header.BufferSz = sizeof(q->extco2);
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#if QSV_VERSION_ATLEAST(1,7)
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// valid value range is from 10 to 100 inclusive
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// to instruct the encoder to use the default value this should be set to zero
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q->extco2.LookAheadDepth = q->look_ahead_depth != 0 ? FFMAX(10, q->look_ahead_depth) : 0;
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#endif
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#if QSV_VERSION_ATLEAST(1,8)
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q->extco2.LookAheadDS = q->look_ahead_downsampling;
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#endif
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q->extparam[1] = (mfxExtBuffer *)&q->extco2;
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#endif
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q->param.ExtParam = q->extparam;
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q->param.NumExtParam = FF_ARRAY_ELEMS(q->extparam);
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}
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return 0;
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}
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static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
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{
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uint8_t sps_buf[128];
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uint8_t pps_buf[128];
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mfxExtCodingOptionSPSPPS extradata = {
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.Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
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.Header.BufferSz = sizeof(extradata),
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.SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
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.PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
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};
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mfxExtBuffer *ext_buffers[] = {
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(mfxExtBuffer*)&extradata,
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};
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int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
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int ret;
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q->param.ExtParam = ext_buffers;
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q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
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ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
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if (ret < 0)
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return ff_qsv_error(ret);
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q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
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if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
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av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
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return AVERROR_UNKNOWN;
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}
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avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
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AV_INPUT_BUFFER_PADDING_SIZE);
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if (!avctx->extradata)
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return AVERROR(ENOMEM);
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memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
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if (need_pps)
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memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
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avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
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memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
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return 0;
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}
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int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
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{
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int ret;
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q->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
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q->param.AsyncDepth = q->async_depth;
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q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
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(sizeof(AVPacket) + sizeof(mfxSyncPoint) + sizeof(mfxBitstream*)));
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if (!q->async_fifo)
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return AVERROR(ENOMEM);
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if (avctx->hwaccel_context) {
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AVQSVContext *qsv = avctx->hwaccel_context;
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q->session = qsv->session;
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q->param.IOPattern = qsv->iopattern;
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}
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if (!q->session) {
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ret = ff_qsv_init_internal_session(avctx, &q->internal_qs,
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q->load_plugins);
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if (ret < 0)
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return ret;
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q->session = q->internal_qs.session;
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}
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ret = init_video_param(avctx, q);
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if (ret < 0)
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return ret;
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ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error querying the encoding parameters\n");
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return ff_qsv_error(ret);
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}
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ret = MFXVideoENCODE_Init(q->session, &q->param);
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if (MFX_WRN_PARTIAL_ACCELERATION==ret) {
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av_log(avctx, AV_LOG_WARNING, "Encoder will work with partial HW acceleration\n");
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} else if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error initializing the encoder\n");
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return ff_qsv_error(ret);
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}
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ret = qsv_retrieve_enc_params(avctx, q);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
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return ret;
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}
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q->avctx = avctx;
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return 0;
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}
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static void clear_unused_frames(QSVEncContext *q)
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{
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QSVFrame *cur = q->work_frames;
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while (cur) {
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if (cur->surface && !cur->surface->Data.Locked) {
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cur->surface = NULL;
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av_frame_unref(cur->frame);
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}
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cur = cur->next;
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}
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}
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static int get_free_frame(QSVEncContext *q, QSVFrame **f)
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{
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QSVFrame *frame, **last;
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clear_unused_frames(q);
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frame = q->work_frames;
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last = &q->work_frames;
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while (frame) {
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if (!frame->surface) {
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*f = frame;
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return 0;
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}
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last = &frame->next;
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frame = frame->next;
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}
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frame = av_mallocz(sizeof(*frame));
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if (!frame)
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return AVERROR(ENOMEM);
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frame->frame = av_frame_alloc();
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if (!frame->frame) {
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av_freep(&frame);
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return AVERROR(ENOMEM);
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}
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*last = frame;
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*f = frame;
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return 0;
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}
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static int submit_frame(QSVEncContext *q, const AVFrame *frame,
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mfxFrameSurface1 **surface)
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{
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QSVFrame *qf;
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int ret;
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ret = get_free_frame(q, &qf);
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if (ret < 0)
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return ret;
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if (frame->format == AV_PIX_FMT_QSV) {
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ret = av_frame_ref(qf->frame, frame);
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if (ret < 0)
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return ret;
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qf->surface = (mfxFrameSurface1*)qf->frame->data[3];
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*surface = qf->surface;
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return 0;
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}
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/* make a copy if the input is not padded as libmfx requires */
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if ( frame->height & (q->height_align - 1) ||
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frame->linesize[0] & (q->width_align - 1)) {
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qf->frame->height = FFALIGN(frame->height, q->height_align);
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qf->frame->width = FFALIGN(frame->width, q->width_align);
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ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
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if (ret < 0)
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return ret;
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qf->frame->height = frame->height;
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qf->frame->width = frame->width;
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ret = av_frame_copy(qf->frame, frame);
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if (ret < 0) {
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av_frame_unref(qf->frame);
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return ret;
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}
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} else {
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ret = av_frame_ref(qf->frame, frame);
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if (ret < 0)
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return ret;
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}
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qf->surface_internal.Info = q->param.mfx.FrameInfo;
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qf->surface_internal.Info.PicStruct =
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!frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
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frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
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MFX_PICSTRUCT_FIELD_BFF;
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if (frame->repeat_pict == 1)
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qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
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else if (frame->repeat_pict == 2)
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qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
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else if (frame->repeat_pict == 4)
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qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
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qf->surface_internal.Data.PitchLow = qf->frame->linesize[0];
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qf->surface_internal.Data.Y = qf->frame->data[0];
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qf->surface_internal.Data.UV = qf->frame->data[1];
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qf->surface_internal.Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
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qf->surface = &qf->surface_internal;
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*surface = qf->surface;
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return 0;
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}
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static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
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{
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if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
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if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
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q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
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q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
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av_log(avctx, AV_LOG_WARNING,
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"Interlaced coding is supported"
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" at Main/High Profile Level 2.1-4.1\n");
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}
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}
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int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
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AVPacket *pkt, const AVFrame *frame, int *got_packet)
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{
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AVPacket new_pkt = { 0 };
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mfxBitstream *bs;
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mfxFrameSurface1 *surf = NULL;
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mfxSyncPoint sync = NULL;
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int ret;
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if (frame) {
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ret = submit_frame(q, frame, &surf);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
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return ret;
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}
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}
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ret = av_new_packet(&new_pkt, q->packet_size);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
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return ret;
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}
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bs = av_mallocz(sizeof(*bs));
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if (!bs) {
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av_packet_unref(&new_pkt);
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return AVERROR(ENOMEM);
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}
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bs->Data = new_pkt.data;
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bs->MaxLength = new_pkt.size;
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do {
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ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, &sync);
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if (ret == MFX_WRN_DEVICE_BUSY) {
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av_usleep(500);
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|
continue;
|
|
}
|
|
break;
|
|
} while ( 1 );
|
|
|
|
if (ret < 0) {
|
|
av_packet_unref(&new_pkt);
|
|
av_freep(&bs);
|
|
if (ret == MFX_ERR_MORE_DATA)
|
|
return 0;
|
|
av_log(avctx, AV_LOG_ERROR, "EncodeFrameAsync returned %d\n", ret);
|
|
return ff_qsv_error(ret);
|
|
}
|
|
|
|
if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM) {
|
|
if (frame->interlaced_frame)
|
|
print_interlace_msg(avctx, q);
|
|
else
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"EncodeFrameAsync returned 'incompatible param' code\n");
|
|
}
|
|
if (sync) {
|
|
av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
|
|
av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
|
|
av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
|
|
} else {
|
|
av_packet_unref(&new_pkt);
|
|
av_freep(&bs);
|
|
}
|
|
|
|
if (!av_fifo_space(q->async_fifo) ||
|
|
(!frame && av_fifo_size(q->async_fifo))) {
|
|
av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
|
|
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
|
|
av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
|
|
|
|
MFXVideoCORE_SyncOperation(q->session, sync, 60000);
|
|
|
|
new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
|
|
new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
|
|
new_pkt.size = bs->DataLength;
|
|
|
|
if (bs->FrameType & MFX_FRAMETYPE_IDR ||
|
|
bs->FrameType & MFX_FRAMETYPE_xIDR)
|
|
new_pkt.flags |= AV_PKT_FLAG_KEY;
|
|
|
|
#if FF_API_CODED_FRAME
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
|
else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
|
|
else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
|
|
av_freep(&bs);
|
|
|
|
if (pkt->data) {
|
|
if (pkt->size < new_pkt.size) {
|
|
av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
|
|
pkt->size, new_pkt.size);
|
|
av_packet_unref(&new_pkt);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
memcpy(pkt->data, new_pkt.data, new_pkt.size);
|
|
pkt->size = new_pkt.size;
|
|
|
|
ret = av_packet_copy_props(pkt, &new_pkt);
|
|
av_packet_unref(&new_pkt);
|
|
if (ret < 0)
|
|
return ret;
|
|
} else
|
|
*pkt = new_pkt;
|
|
|
|
*got_packet = 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
|
|
{
|
|
QSVFrame *cur;
|
|
|
|
MFXVideoENCODE_Close(q->session);
|
|
q->session = NULL;
|
|
|
|
ff_qsv_close_internal_session(&q->internal_qs);
|
|
|
|
cur = q->work_frames;
|
|
while (cur) {
|
|
q->work_frames = cur->next;
|
|
av_frame_free(&cur->frame);
|
|
av_freep(&cur);
|
|
cur = q->work_frames;
|
|
}
|
|
|
|
while (q->async_fifo && av_fifo_size(q->async_fifo)) {
|
|
AVPacket pkt;
|
|
mfxSyncPoint sync;
|
|
mfxBitstream *bs;
|
|
|
|
av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
|
|
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
|
|
av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
|
|
|
|
av_freep(&bs);
|
|
av_packet_unref(&pkt);
|
|
}
|
|
av_fifo_free(q->async_fifo);
|
|
q->async_fifo = NULL;
|
|
|
|
return 0;
|
|
}
|