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5dd9a4b88b
In this case, the user only supplies a device and the frame context is allocated internally by lavc.
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_VAAPI_DECODE_H
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#define AVCODEC_VAAPI_DECODE_H
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#include <va/va.h>
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#include "libavutil/frame.h"
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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_vaapi.h"
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#include "avcodec.h"
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#include "version.h"
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#if FF_API_VAAPI_CONTEXT
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#include "vaapi.h"
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#endif
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static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
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{
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return (uintptr_t)pic->data[3];
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}
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enum {
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MAX_PARAM_BUFFERS = 16,
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};
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typedef struct VAAPIDecodePicture {
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VASurfaceID output_surface;
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int nb_param_buffers;
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VABufferID param_buffers[MAX_PARAM_BUFFERS];
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int nb_slices;
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VABufferID *slice_buffers;
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int slices_allocated;
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} VAAPIDecodePicture;
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typedef struct VAAPIDecodeContext {
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VAProfile va_profile;
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VAEntrypoint va_entrypoint;
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VAConfigID va_config;
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VAContextID va_context;
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#if FF_API_VAAPI_CONTEXT
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int have_old_context;
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struct vaapi_context *old_context;
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AVBufferRef *device_ref;
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#endif
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AVHWDeviceContext *device;
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AVVAAPIDeviceContext *hwctx;
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AVHWFramesContext *frames;
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AVVAAPIFramesContext *hwfc;
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enum AVPixelFormat surface_format;
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int surface_count;
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} VAAPIDecodeContext;
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int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
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VAAPIDecodePicture *pic,
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int type,
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const void *data,
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size_t size);
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int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
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VAAPIDecodePicture *pic,
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const void *params_data,
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size_t params_size,
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const void *slice_data,
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size_t slice_size);
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int ff_vaapi_decode_issue(AVCodecContext *avctx,
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VAAPIDecodePicture *pic);
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int ff_vaapi_decode_cancel(AVCodecContext *avctx,
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VAAPIDecodePicture *pic);
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int ff_vaapi_decode_init(AVCodecContext *avctx);
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int ff_vaapi_decode_uninit(AVCodecContext *avctx);
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#endif /* AVCODEC_VAAPI_DECODE_H */
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