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FFmpeg/libavcodec/qsvenc.h
Mark Thompson 5a1ff44907 lavc/qsvenc: Add hardware config metadata 
All of these encoders can accept libmfx surfaces directly in a hardware
frames context, or they can accept software frames if a suitable device
is supplied to use.
2020-04-26 18:38:25 +01:00

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/*
* Intel MediaSDK QSV encoder utility functions
*
* copyright (c) 2013 Yukinori Yamazoe
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; 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 "libavutil/fifo.h"
#include "avcodec.h"
#include "hwconfig.h"
#include "qsv_internal.h"
#define QSV_HAVE_CO2 QSV_VERSION_ATLEAST(1, 6)
#define QSV_HAVE_CO3 QSV_VERSION_ATLEAST(1, 11)
#define QSV_HAVE_CO_VPS QSV_VERSION_ATLEAST(1, 17)
#define QSV_HAVE_EXT_HEVC_TILES QSV_VERSION_ATLEAST(1, 13)
#define QSV_HAVE_EXT_VP9_PARAM QSV_VERSION_ATLEAST(1, 26)
#define QSV_HAVE_TRELLIS QSV_VERSION_ATLEAST(1, 8)
#define QSV_HAVE_MAX_SLICE_SIZE QSV_VERSION_ATLEAST(1, 9)
#define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST(1, 8)
#define QSV_HAVE_LA QSV_VERSION_ATLEAST(1, 7)
#define QSV_HAVE_LA_DS QSV_VERSION_ATLEAST(1, 8)
#define QSV_HAVE_LA_HRD QSV_VERSION_ATLEAST(1, 11)
#define QSV_HAVE_VDENC QSV_VERSION_ATLEAST(1, 15)
#define QSV_HAVE_GPB QSV_VERSION_ATLEAST(1, 18)
#if defined(_WIN32) || defined(__CYGWIN__)
#define QSV_HAVE_AVBR QSV_VERSION_ATLEAST(1, 3)
#define QSV_HAVE_ICQ QSV_VERSION_ATLEAST(1, 8)
#define QSV_HAVE_VCM QSV_VERSION_ATLEAST(1, 8)
#define QSV_HAVE_QVBR QSV_VERSION_ATLEAST(1, 11)
#define QSV_HAVE_MF 0
#else
#define QSV_HAVE_AVBR 0
#define QSV_HAVE_ICQ QSV_VERSION_ATLEAST(1, 28)
#define QSV_HAVE_VCM 0
#define QSV_HAVE_QVBR QSV_VERSION_ATLEAST(1, 28)
#define QSV_HAVE_MF QSV_VERSION_ATLEAST(1, 25)
#endif
#if !QSV_HAVE_LA_DS
#define MFX_LOOKAHEAD_DS_UNKNOWN 0
#define MFX_LOOKAHEAD_DS_OFF 0
#define MFX_LOOKAHEAD_DS_2x 0
#define MFX_LOOKAHEAD_DS_4x 0
#endif
#define QSV_COMMON_OPTS \
{ "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, 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 }, \
{ "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, MFX_TARGETUSAGE_BEST_QUALITY, MFX_TARGETUSAGE_BEST_SPEED, VE, "preset" }, \
{ "veryfast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "faster", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_6 }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_5 }, 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_3 }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "slower", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_2 }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "veryslow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "rdo", "Enable rate distortion optimization", OFFSET(qsv.rdo), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "max_frame_size", "Maximum encoded frame size in bytes", OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
{ "max_slice_size", "Maximum encoded slice size in bytes", OFFSET(qsv.max_slice_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
{ "bitrate_limit", "Toggle bitrate limitations", OFFSET(qsv.bitrate_limit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "mbbrc", "MB level bitrate control", OFFSET(qsv.mbbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "extbrc", "Extended bitrate control", OFFSET(qsv.extbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "adaptive_i", "Adaptive I-frame placement", OFFSET(qsv.adaptive_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "adaptive_b", "Adaptive B-frame placement", OFFSET(qsv.adaptive_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "forced_idr", "Forcing I frames as IDR frames", OFFSET(qsv.forced_idr), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE }, \
{ "low_power", "enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.)", OFFSET(qsv.low_power), AV_OPT_TYPE_BOOL, { .i64 = 0}, 0, 1, VE},\
extern const AVCodecHWConfigInternal *ff_qsv_enc_hw_configs[];
typedef int SetEncodeCtrlCB (AVCodecContext *avctx,
const AVFrame *frame, mfxEncodeCtrl* enc_ctrl);
typedef struct QSVEncContext {
AVCodecContext *avctx;
QSVFrame *work_frames;
mfxSession session;
QSVSession internal_qs;
int packet_size;
int width_align;
int height_align;
mfxVideoParam param;
mfxFrameAllocRequest req;
mfxExtCodingOption extco;
#if QSV_HAVE_CO2
mfxExtCodingOption2 extco2;
#endif
#if QSV_HAVE_CO3
mfxExtCodingOption3 extco3;
#endif
#if QSV_HAVE_MF
mfxExtMultiFrameParam extmfp;
mfxExtMultiFrameControl extmfc;
#endif
#if QSV_HAVE_EXT_HEVC_TILES
mfxExtHEVCTiles exthevctiles;
#endif
#if QSV_HAVE_EXT_VP9_PARAM
mfxExtVP9Param extvp9param;
#endif
mfxExtOpaqueSurfaceAlloc opaque_alloc;
mfxFrameSurface1 **opaque_surfaces;
AVBufferRef *opaque_alloc_buf;
mfxExtBuffer *extparam_internal[2 + QSV_HAVE_CO2 + QSV_HAVE_CO3 + (QSV_HAVE_MF * 2)];
int nb_extparam_internal;
mfxExtBuffer **extparam;
AVFifoBuffer *async_fifo;
QSVFramesContext frames_ctx;
mfxVersion ver;
int hevc_vps;
// options set by the caller
int async_depth;
int idr_interval;
int profile;
int preset;
int avbr_accuracy;
int avbr_convergence;
int pic_timing_sei;
int look_ahead;
int look_ahead_depth;
int look_ahead_downsampling;
int vcm;
int rdo;
int max_frame_size;
int max_slice_size;
int tile_cols;
int tile_rows;
int aud;
int single_sei_nal_unit;
int max_dec_frame_buffering;
int bitrate_limit;
int mbbrc;
int extbrc;
int adaptive_i;
int adaptive_b;
int b_strategy;
int cavlc;
int int_ref_type;
int int_ref_cycle_size;
int int_ref_qp_delta;
int recovery_point_sei;
int repeat_pps;
int low_power;
int gpb;
int a53_cc;
#if QSV_HAVE_MF
int mfmode;
#endif
char *load_plugins;
SetEncodeCtrlCB *set_encode_ctrl_cb;
int forced_idr;
} 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 */
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