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lavc: add Intel libmfx-based H.264 encoder

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pull/127/head
Anton Khirnov 10 years ago
parent 9ba27c2348
commit 72b7441a10
10 changed files with 656 additions and 10 deletions
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  1. 1
      Changelog
  2. 4
      configure
  3. 2
      libavcodec/Makefile
  4. 1
      libavcodec/allcodecs.c
  5. 13
      libavcodec/qsv_internal.h
  6. 10
      libavcodec/qsvdec.h
  7. 444
      libavcodec/qsvenc.c
  8. 68
      libavcodec/qsvenc.h
  9. 121
      libavcodec/qsvenc_h264.c
  10. 2
      libavcodec/version.h

1
Changelog
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@ -24,6 +24,7 @@ version <next>:
- VP9 RTP payload format (draft 0) experimental depacketizer
- TDSC decoder
- DTS lossless extension (XLL) decoding (not lossless, disabled by default)
- Intel QSV-accelerated H.264 encoding
version 11:

4
configure vendored
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@ -1599,6 +1599,7 @@ CONFIG_EXTRA="
qpeldsp
qsv
qsvdec
qsvenc
rangecoder
riffdec
riffenc
@ -1762,6 +1763,7 @@ mpegaudiodsp_select="dct"
mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
qsvdec_select="qsv"
qsvenc_select="qsv"
# decoders / encoders
aac_decoder_select="imdct15 mdct sinewin"
@ -1831,6 +1833,8 @@ h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode
h264_decoder_suggest="error_resilience"
h264_qsv_decoder_deps="libmfx"
h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
h264_qsv_encoder_deps="libmfx"
h264_qsv_encoder_select="qsvenc"
hevc_decoder_select="bswapdsp cabac golomb videodsp"
huffyuv_decoder_select="bswapdsp huffyuvdsp"
huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"

2
libavcodec/Makefile
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@ -82,6 +82,7 @@ OBJS-$(CONFIG_PIXBLOCKDSP) += pixblockdsp.o
OBJS-$(CONFIG_QPELDSP) += qpeldsp.o
OBJS-$(CONFIG_QSV) += qsv.o
OBJS-$(CONFIG_QSVDEC) += qsvdec.o
OBJS-$(CONFIG_QSVENC) += qsvenc.o
OBJS-$(CONFIG_RANGECODER) += rangecoder.o
RDFT-OBJS-$(CONFIG_HARDCODED_TABLES) += sin_tables.o
OBJS-$(CONFIG_RDFT) += rdft.o $(RDFT-OBJS-yes)
@ -224,6 +225,7 @@ OBJS-$(CONFIG_H264_DECODER) += h264.o h264_cabac.o h264_cavlc.o \
h264_mb.o h264_picture.o h264_ps.o \
h264_refs.o h264_sei.o h264_slice.o
OBJS-$(CONFIG_H264_QSV_DECODER) += qsvdec_h264.o
OBJS-$(CONFIG_H264_QSV_ENCODER) += qsvenc_h264.o
OBJS-$(CONFIG_HEVC_DECODER) += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o \
hevc_cabac.o hevc_refs.o hevcpred.o \
hevcdsp.o hevc_filter.o

1
libavcodec/allcodecs.c
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@ -469,6 +469,7 @@ void avcodec_register_all(void)
/* external libraries, that shouldn't be used by default if one of the
* above is available */
REGISTER_ENCODER(LIBOPENH264, libopenh264);
REGISTER_ENCODER(H264_QSV, h264_qsv);
/* parsers */
REGISTER_PARSER(AAC, aac);

13
libavcodec/qsv_internal.h
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@ -21,11 +21,24 @@
#ifndef AVCODEC_QSV_INTERNAL_H
#define AVCODEC_QSV_INTERNAL_H
#include <mfx/mfxvideo.h>
#include "libavutil/frame.h"
#define QSV_VERSION_MAJOR 1
#define QSV_VERSION_MINOR 1
#define ASYNC_DEPTH_DEFAULT 4 // internal parallelism
typedef struct QSVFrame {
AVFrame *frame;
mfxFrameSurface1 *surface;
mfxFrameSurface1 surface_internal;
struct QSVFrame *next;
} QSVFrame;
/**
* Convert a libmfx error code into a libav error code.
*/

10
libavcodec/qsvdec.h
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@ -32,15 +32,7 @@
#include "libavutil/pixfmt.h"
#include "avcodec.h"
typedef struct QSVFrame {
AVFrame *frame;
mfxFrameSurface1 *surface;
mfxFrameSurface1 surface_internal;
struct QSVFrame *next;
} QSVFrame;
#include "qsv_internal.h"
typedef struct QSVContext {
// the session used for decoding

444
libavcodec/qsvenc.c
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@ -0,0 +1,444 @@
/*
* Intel MediaSDK QSV encoder utility functions
*
* copyright (c) 2013 Yukinori Yamazoe
* copyright (c) 2015 Anton Khirnov
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include <sys/types.h>
#include <mfx/mfxvideo.h>
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/log.h"
#include "libavutil/time.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "internal.h"
#include "qsv.h"
#include "qsv_internal.h"
#include "qsvenc.h"
static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
{
const char *ratecontrol_desc;
float quant;
int ret;
ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
if (ret < 0)
return AVERROR_BUG;
q->param.mfx.CodecId = ret;
if (avctx->level > 0)
q->param.mfx.CodecLevel = avctx->level;
q->param.mfx.CodecProfile = q->profile;
q->param.mfx.TargetUsage = q->preset;
q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
q->param.mfx.GopOptFlag = avctx->flags & CODEC_FLAG_CLOSED_GOP ?
MFX_GOP_CLOSED : 0;
q->param.mfx.IdrInterval = q->idr_interval;
q->param.mfx.NumSlice = avctx->slices;
q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
q->param.mfx.EncodedOrder = 0;
q->param.mfx.BufferSizeInKB = 0;
q->param.mfx.FrameInfo.FourCC = MFX_FOURCC_NV12;
q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, 16);
q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, 32);
q->param.mfx.FrameInfo.CropX = 0;
q->param.mfx.FrameInfo.CropY = 0;
q->param.mfx.FrameInfo.CropW = avctx->width;
q->param.mfx.FrameInfo.CropH = avctx->height;
q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
q->param.mfx.FrameInfo.BitDepthLuma = 8;
q->param.mfx.FrameInfo.BitDepthChroma = 8;
if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
} else {
q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
}
if (avctx->flags & CODEC_FLAG_QSCALE) {
q->param.mfx.RateControlMethod = MFX_RATECONTROL_CQP;
ratecontrol_desc = "constant quantization parameter (CQP)";
} else if (avctx->rc_max_rate == avctx->bit_rate) {
q->param.mfx.RateControlMethod = MFX_RATECONTROL_CBR;
ratecontrol_desc = "constant bitrate (CBR)";
} else if (!avctx->rc_max_rate) {
q->param.mfx.RateControlMethod = MFX_RATECONTROL_AVBR;
ratecontrol_desc = "average variable bitrate (AVBR)";
} else {
q->param.mfx.RateControlMethod = MFX_RATECONTROL_VBR;
ratecontrol_desc = "variable bitrate (VBR)";
}
av_log(avctx, AV_LOG_VERBOSE, "Using the %s ratecontrol method\n", ratecontrol_desc);
switch (q->param.mfx.RateControlMethod) {
case MFX_RATECONTROL_CBR:
case MFX_RATECONTROL_VBR:
q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
q->param.mfx.MaxKbps = avctx->bit_rate / 1000;
break;
case MFX_RATECONTROL_CQP:
quant = avctx->global_quality / FF_QP2LAMBDA;
q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
q->param.mfx.QPP = av_clip(quant, 0, 51);
q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
break;
case MFX_RATECONTROL_AVBR:
q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
q->param.mfx.Convergence = q->avbr_convergence;
q->param.mfx.Accuracy = q->avbr_accuracy;
break;
}
q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
q->extco.Header.BufferSz = sizeof(q->extco);
q->extco.CAVLC = avctx->coder_type == FF_CODER_TYPE_VLC ?
MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
q->extparam[0] = (mfxExtBuffer *)&q->extco;
q->param.ExtParam = q->extparam;
q->param.NumExtParam = FF_ARRAY_ELEMS(q->extparam);
return 0;
}
static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
{
uint8_t sps_buf[128];
uint8_t pps_buf[128];
mfxExtCodingOptionSPSPPS extradata = {
.Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
.Header.BufferSz = sizeof(extradata),
.SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
.PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
};
mfxExtBuffer *ext_buffers[] = {
(mfxExtBuffer*)&extradata,
};
int ret;
q->param.ExtParam = ext_buffers;
q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
if (ret < 0)
return ff_qsv_error(ret);
q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
if (!extradata.SPSBufSize || !extradata.PPSBufSize) {
av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
return AVERROR_UNKNOWN;
}
avctx->extradata = av_malloc(extradata.SPSBufSize + extradata.PPSBufSize +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
avctx->extradata_size = extradata.SPSBufSize + extradata.PPSBufSize;
memset(avctx->extradata + avctx->extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
return 0;
}
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
{
int ret;
q->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
q->param.AsyncDepth = q->async_depth;
if (avctx->hwaccel_context) {
AVQSVContext *qsv = avctx->hwaccel_context;
q->session = qsv->session;
q->param.IOPattern = qsv->iopattern;
}
if (!q->session) {
ret = ff_qsv_init_internal_session(avctx, &q->internal_session);
if (ret < 0)
return ret;
q->session = q->internal_session;
}
ret = init_video_param(avctx, q);
if (ret < 0)
return ret;
ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error querying the encoding parameters\n");
return ff_qsv_error(ret);
}
ret = MFXVideoENCODE_Init(q->session, &q->param);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error initializing the encoder\n");
return ff_qsv_error(ret);
}
ret = qsv_retrieve_enc_params(avctx, q);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
return ret;
}
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
q->avctx = avctx;
return 0;
}
static void clear_unused_frames(QSVEncContext *q)
{
QSVFrame *cur = q->work_frames;
while (cur) {
if (cur->surface && !cur->surface->Data.Locked) {
cur->surface = NULL;
av_frame_unref(cur->frame);
}
cur = cur->next;
}
}
static int get_free_frame(QSVEncContext *q, QSVFrame **f)
{
QSVFrame *frame, **last;
clear_unused_frames(q);
frame = q->work_frames;
last = &q->work_frames;
while (frame) {
if (!frame->surface) {
*f = frame;
return 0;
}
last = &frame->next;
frame = frame->next;
}
frame = av_mallocz(sizeof(*frame));
if (!frame)
return AVERROR(ENOMEM);
frame->frame = av_frame_alloc();
if (!frame->frame) {
av_freep(&frame);
return AVERROR(ENOMEM);
}
*last = frame;
*f = frame;
return 0;
}
static int submit_frame(QSVEncContext *q, const AVFrame *frame,
mfxFrameSurface1 **surface)
{
QSVFrame *qf;
int ret;
ret = get_free_frame(q, &qf);
if (ret < 0)
return ret;
if (frame->format == AV_PIX_FMT_QSV) {
ret = av_frame_ref(qf->frame, frame);
if (ret < 0)
return ret;
qf->surface = (mfxFrameSurface1*)qf->frame->data[3];
*surface = qf->surface;
return 0;
}
/* make a copy if the input is not padded as libmfx requires */
if (frame->height & 31 || frame->linesize[0] & 15) {
qf->frame->height = FFALIGN(frame->height, 32);
qf->frame->width = FFALIGN(frame->width, 16);
ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
if (ret < 0)
return ret;
qf->frame->height = frame->height;
qf->frame->width = frame->width;
ret = av_frame_copy(qf->frame, frame);
if (ret < 0) {
av_frame_unref(qf->frame);
return ret;
}
} else {
ret = av_frame_ref(qf->frame, frame);
if (ret < 0)
return ret;
}
qf->surface_internal.Info = q->param.mfx.FrameInfo;
qf->surface_internal.Info.PicStruct =
!frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
MFX_PICSTRUCT_FIELD_BFF;
if (frame->repeat_pict == 1)
qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
else if (frame->repeat_pict == 2)
qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
else if (frame->repeat_pict == 4)
qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
qf->surface_internal.Data.PitchLow = qf->frame->linesize[0];
qf->surface_internal.Data.Y = qf->frame->data[0];
qf->surface_internal.Data.UV = qf->frame->data[1];
qf->surface_internal.Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
qf->surface = &qf->surface_internal;
*surface = qf->surface;
return 0;
}
static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
{
if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
av_log(avctx, AV_LOG_WARNING,
"Interlaced coding is supported"
" at Main/High Profile Level 2.1-4.1\n");
}
}
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
AVPacket *pkt, const AVFrame *frame, int *got_packet)
{
mfxBitstream bs = { { { 0 } } };
mfxFrameSurface1 *surf = NULL;
mfxSyncPoint sync = NULL;
int ret;
if (frame) {
ret = submit_frame(q, frame, &surf);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
return ret;
}
}
ret = ff_alloc_packet(pkt, q->packet_size);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
return ret;
}
bs.Data = pkt->data;
bs.MaxLength = pkt->size;
do {
ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, &bs, &sync);
if (ret == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (ret > 0);
if (ret < 0)
return (ret == MFX_ERR_MORE_DATA) ? 0 : ff_qsv_error(ret);
if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
print_interlace_msg(avctx, q);
if (sync) {
MFXVideoCORE_SyncOperation(q->session, sync, 60000);
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;
pkt->dts = av_rescale_q(bs.DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
pkt->pts = av_rescale_q(bs.TimeStamp, (AVRational){1, 90000}, avctx->time_base);
pkt->size = bs.DataLength;
if (bs.FrameType & MFX_FRAMETYPE_IDR ||
bs.FrameType & MFX_FRAMETYPE_xIDR)
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
}
return 0;
}
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
{
QSVFrame *cur;
MFXVideoENCODE_Close(q->session);
if (q->internal_session)
MFXClose(q->internal_session);
q->session = NULL;
q->internal_session = NULL;
cur = q->work_frames;
while (cur) {
q->work_frames = cur->next;
av_frame_free(&cur->frame);
av_freep(&cur);
cur = q->work_frames;
}
av_frame_free(&avctx->coded_frame);
return 0;
}

68
libavcodec/qsvenc.h
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@ -0,0 +1,68 @@
/*
* Intel MediaSDK QSV encoder utility functions
*
* copyright (c) 2013 Yukinori Yamazoe
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_QSVENC_H
#define AVCODEC_QSVENC_H
#include <stdint.h>
#include <sys/types.h>
#include <mfx/mfxvideo.h>
#include "libavutil/avutil.h"
#include "avcodec.h"
#include "qsv_internal.h"
typedef struct QSVEncContext {
AVCodecContext *avctx;
QSVFrame *work_frames;
mfxSession session;
mfxSession internal_session;
int packet_size;
mfxVideoParam param;
mfxFrameAllocRequest req;
mfxExtCodingOption extco;
mfxExtBuffer *extparam[1];
// options set by the caller
int async_depth;
int idr_interval;
int profile;
int preset;
int avbr_accuracy;
int avbr_convergence;
} QSVEncContext;
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
AVPacket *pkt, const AVFrame *frame, int *got_packet);
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
#endif /* AVCODEC_QSVENC_H */

121
libavcodec/qsvenc_h264.c
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@ -0,0 +1,121 @@
/*
* Intel MediaSDK QSV based H.264 enccoder
*
* copyright (c) 2013 Yukinori Yamazoe
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <sys/types.h>
#include <mfx/mfxvideo.h>
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "h264.h"
#include "qsv.h"
#include "qsv_internal.h"
#include "qsvenc.h"
typedef struct QSVH264EncContext {
AVClass *class;
QSVEncContext qsv;
} QSVH264EncContext;
static av_cold int qsv_enc_init(AVCodecContext *avctx)
{
QSVH264EncContext *q = avctx->priv_data;
return ff_qsv_enc_init(avctx, &q->qsv);
}
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
QSVH264EncContext *q = avctx->priv_data;
return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
}
static av_cold int qsv_enc_close(AVCodecContext *avctx)
{
QSVH264EncContext *q = avctx->priv_data;
return ff_qsv_enc_close(avctx, &q->qsv);
}
#define OFFSET(x) offsetof(QSVH264EncContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE },
{ "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
{ "avbr_accuracy", "Accuracy of the AVBR ratecontrol", OFFSET(qsv.avbr_accuracy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
{ "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
{ "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
{ "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" },
{ "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7, VE, "preset" },
{ "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" },
{ "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" },
{ "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" },
{ NULL },
};
static const AVClass class = {
.class_name = "h264_qsv encoder",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
static const AVCodecDefault qsv_enc_defaults[] = {
{ "b", "1M" },
{ "refs", "0" },
// same as the x264 default
{ "g", "250" },
{ "bf", "3" },
{ "coder", "ac" },
{ "flags", "+cgop" },
{ NULL },
};
AVCodec ff_h264_qsv_encoder = {
.name = "h264_qsv",
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
.priv_data_size = sizeof(QSVH264EncContext),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.init = qsv_enc_init,
.encode2 = qsv_enc_frame,
.close = qsv_enc_close,
.capabilities = CODEC_CAP_DELAY,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
AV_PIX_FMT_QSV,
AV_PIX_FMT_NONE },
.priv_class = &class,
.defaults = qsv_enc_defaults,
};

2
libavcodec/version.h
Unescape View File

@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 56
#define LIBAVCODEC_VERSION_MINOR 19
#define LIBAVCODEC_VERSION_MINOR 20
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

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