FFmpeg/libavcodec/vaapi_decode.h
Mark Thompson 99ab0a13dc vaapi_decode: Make the frames context format selection more general
Examine the supported fourcc list manually and make the best choice, then
use the external attribute on the frames context to force that fourcc.
2018-02-21 23:38:10 +00:00

105 lines
3.2 KiB
C

/*
* 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_VAAPI_DECODE_H
#define AVCODEC_VAAPI_DECODE_H
#include <va/va.h>
#include "libavutil/frame.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_vaapi.h"
#include "avcodec.h"
#include "version.h"
#if FF_API_STRUCT_VAAPI_CONTEXT
#include "vaapi.h"
#endif
static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
{
return (uintptr_t)pic->data[3];
}
enum {
MAX_PARAM_BUFFERS = 16,
};
typedef struct VAAPIDecodePicture {
VASurfaceID output_surface;
int nb_param_buffers;
VABufferID param_buffers[MAX_PARAM_BUFFERS];
int nb_slices;
VABufferID *slice_buffers;
int slices_allocated;
} VAAPIDecodePicture;
typedef struct VAAPIDecodeContext {
VAConfigID va_config;
VAContextID va_context;
#if FF_API_STRUCT_VAAPI_CONTEXT
FF_DISABLE_DEPRECATION_WARNINGS
int have_old_context;
struct vaapi_context *old_context;
AVBufferRef *device_ref;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
AVHWDeviceContext *device;
AVVAAPIDeviceContext *hwctx;
AVHWFramesContext *frames;
AVVAAPIFramesContext *hwfc;
enum AVPixelFormat surface_format;
int surface_count;
VASurfaceAttrib pixel_format_attribute;
} VAAPIDecodeContext;
int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
VAAPIDecodePicture *pic,
int type,
const void *data,
size_t size);
int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
VAAPIDecodePicture *pic,
const void *params_data,
size_t params_size,
const void *slice_data,
size_t slice_size);
int ff_vaapi_decode_issue(AVCodecContext *avctx,
VAAPIDecodePicture *pic);
int ff_vaapi_decode_cancel(AVCodecContext *avctx,
VAAPIDecodePicture *pic);
int ff_vaapi_decode_init(AVCodecContext *avctx);
int ff_vaapi_decode_uninit(AVCodecContext *avctx);
int ff_vaapi_common_frame_params(AVCodecContext *avctx,
AVBufferRef *hw_frames_ctx);
#endif /* AVCODEC_VAAPI_DECODE_H */