Examine the supported fourcc list manually and make the best choice, then use the external attribute on the frames context to force that fourcc.
		
			
				
	
	
		
			105 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg 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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 * FFmpeg 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 FFmpeg; 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_STRUCT_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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    VAConfigID            va_config;
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    VAContextID           va_context;
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#if FF_API_STRUCT_VAAPI_CONTEXT
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FF_DISABLE_DEPRECATION_WARNINGS
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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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FF_ENABLE_DEPRECATION_WARNINGS
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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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    VASurfaceAttrib       pixel_format_attribute;
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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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int ff_vaapi_common_frame_params(AVCodecContext *avctx,
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                                 AVBufferRef *hw_frames_ctx);
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#endif /* AVCODEC_VAAPI_DECODE_H */
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