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FFmpeg/libavcodec/qsv_internal.h

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/*
* Intel MediaSDK QSV encoder/decoder shared code
*
* 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_QSV_INTERNAL_H
#define AVCODEC_QSV_INTERNAL_H
#include "config.h"
#if CONFIG_VAAPI && !defined(_WIN32) // Do not enable for libva-win32 on Windows
#define AVCODEC_QSV_LINUX_SESSION_HANDLE
#endif //CONFIG_VAAPI && !defined(_WIN32)
#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
#include <stdio.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <va/va.h>
#include "libavutil/hwcontext_vaapi.h"
#endif
#include <mfxvideo.h>
#include "libavutil/frame.h"
#include "avcodec.h"
#define QSV_VERSION_MAJOR 1
#define QSV_VERSION_MINOR 1
#define ASYNC_DEPTH_DEFAULT 4 // internal parallelism
#define QSV_MAX_ENC_PAYLOAD 2 // # of mfxEncodeCtrl payloads supported
#define QSV_MAX_ENC_EXTPARAM 8 // # of mfxEncodeCtrl extparam supported
#define QSV_MAX_ROI_NUM 256
#define QSV_MAX_FRAME_EXT_PARAMS 4
#define QSV_VERSION_ATLEAST(MAJOR, MINOR) \
(MFX_VERSION_MAJOR > (MAJOR) || \
MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR) \
((MFX_VERSION.Major > (MAJOR)) || \
(MFX_VERSION.Major == (MAJOR) && MFX_VERSION.Minor >= (MINOR)))
#define QSV_ONEVPL QSV_VERSION_ATLEAST(2, 0)
#define QSV_HAVE_OPAQUE !QSV_ONEVPL
typedef struct QSVMid {
AVBufferRef *hw_frames_ref;
mfxHDLPair *handle_pair;
AVFrame *locked_frame;
AVFrame *hw_frame;
mfxFrameSurface1 surf;
} QSVMid;
typedef struct QSVFrame {
AVFrame *frame;
mfxFrameSurface1 surface;
mfxEncodeCtrl enc_ctrl;
mfxExtDecodedFrameInfo dec_info;
#if QSV_VERSION_ATLEAST(1, 34)
mfxExtAV1FilmGrainParam av1_film_grain_param;
#endif
#if QSV_VERSION_ATLEAST(1, 35)
mfxExtMasteringDisplayColourVolume mdcv;
mfxExtContentLightLevelInfo clli;
#endif
mfxExtBuffer *ext_param[QSV_MAX_FRAME_EXT_PARAMS];
int num_ext_params;
mfxPayload *payloads[QSV_MAX_ENC_PAYLOAD]; ///< used for enc_ctrl.Payload
mfxExtBuffer *extparam[QSV_MAX_ENC_EXTPARAM]; ///< used for enc_ctrl.ExtParam
int queued;
int used;
struct QSVFrame *next;
} QSVFrame;
typedef struct QSVSession {
mfxSession session;
#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
AVBufferRef *va_device_ref;
AVHWDeviceContext *va_device_ctx;
#endif
void *loader;
} QSVSession;
typedef struct QSVFramesContext {
AVBufferRef *hw_frames_ctx;
void *logctx;
/* The memory ids for the external frames.
* Refcounted, since we need one reference owned by the QSVFramesContext
* (i.e. by the encoder/decoder) and another one given to the MFX session
* from the frame allocator. */
AVBufferRef *mids_buf;
QSVMid *mids;
int nb_mids;
} QSVFramesContext;
int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern,
const char *extra_string);
int ff_qsv_print_error(void *log_ctx, mfxStatus err,
const char *error_string);
int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
const char *warning_string);
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc);
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc, uint16_t *shift);
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type);
enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct);
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
const char *load_plugins, int gpu_copy);
int ff_qsv_close_internal_session(QSVSession *qs);
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
AVBufferRef *device_ref, const char *load_plugins,
int gpu_copy);
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session,
QSVFramesContext *qsv_frames_ctx,
const char *load_plugins, int opaque, int gpu_copy);
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame);
void ff_qsv_frame_add_ext_param(AVCodecContext *avctx, QSVFrame *frame,
mfxExtBuffer *param);
int ff_qsv_map_frame_to_surface(const AVFrame *frame, mfxFrameSurface1 *surface);
#endif /* AVCODEC_QSV_INTERNAL_H */