FFmpeg/libavcodec/qsvenc.h

/*
 * 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 "libavutil/fifo.h"

#include "avcodec.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_TRELLIS QSV_VERSION_ATLEAST(1, 8)

#define QSV_HAVE_LA     QSV_VERSION_ATLEAST(1, 7)
#define QSV_HAVE_LA_HRD QSV_VERSION_ATLEAST(1, 11)
#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_COMMON_OPTS \
{ "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 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 },     \
{ "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" },                             \

typedef struct QSVEncContext {
    AVCodecContext *avctx;

    QSVFrame *work_frames;

    mfxSession session;
    mfxSession internal_session;

    int packet_size;
    int width_align;

    mfxVideoParam param;
    mfxFrameAllocRequest req;

    mfxExtCodingOption  extco;

    mfxExtOpaqueSurfaceAlloc opaque_alloc;
    mfxFrameSurface1       **opaque_surfaces;
    AVBufferRef             *opaque_alloc_buf;

    mfxExtBuffer  *extparam_internal[2];
    int         nb_extparam_internal;

    mfxExtBuffer **extparam;

    AVFifoBuffer *async_fifo;

    // options set by the caller
    int async_depth;
    int idr_interval;
    int profile;
    int preset;
    int avbr_accuracy;
    int avbr_convergence;

    char *load_plugins;
} 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 */