[FFmpeg-cvslog] lavc: add Intel libmfx-based H.264 encoder
Anton Khirnov
git at videolan.org
Sat Mar 28 01:41:58 CET 2015
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Fri Mar 13 10:20:31 2015 +0100| [72b7441a10f578a1d0be7083d8f5adf6a01921c2] | committer: Anton Khirnov
lavc: add Intel libmfx-based H.264 encoder
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=72b7441a10f578a1d0be7083d8f5adf6a01921c2
---
Changelog | 1 +
configure | 4 +
libavcodec/Makefile | 2 +
libavcodec/allcodecs.c | 1 +
libavcodec/qsv_internal.h | 13 ++
libavcodec/qsvdec.h | 10 +-
libavcodec/qsvenc.c | 444 +++++++++++++++++++++++++++++++++++++++++++++
libavcodec/qsvenc.h | 68 +++++++
libavcodec/qsvenc_h264.c | 121 ++++++++++++
libavcodec/version.h | 2 +-
10 files changed, 656 insertions(+), 10 deletions(-)
diff --git a/Changelog b/Changelog
index b9fd45b..0f414d1 100644
--- a/Changelog
+++ b/Changelog
@@ -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:
diff --git a/configure b/configure
index 4e2beb2..ed66937 100755
--- a/configure
+++ b/configure
@@ -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"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 10a97c3..c633a4e 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -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
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 9827719..e185e98 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -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);
diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
index 4bfef4a..d13848a 100644
--- a/libavcodec/qsv_internal.h
+++ b/libavcodec/qsv_internal.h
@@ -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.
*/
diff --git a/libavcodec/qsvdec.h b/libavcodec/qsvdec.h
index 11d19fe..486a7e3 100644
--- a/libavcodec/qsvdec.h
+++ b/libavcodec/qsvdec.h
@@ -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
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
new file mode 100644
index 0000000..2830b0d
--- /dev/null
+++ b/libavcodec/qsvenc.c
@@ -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;
+}
diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
new file mode 100644
index 0000000..05d268a
--- /dev/null
+++ b/libavcodec/qsvenc.h
@@ -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 */
diff --git a/libavcodec/qsvenc_h264.c b/libavcodec/qsvenc_h264.c
new file mode 100644
index 0000000..441ede8
--- /dev/null
+++ b/libavcodec/qsvenc_h264.c
@@ -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,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 0d5408b..ecfd6d8 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -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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