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	99ab0a13dc
	
	
	
		
			
			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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| 
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| #ifndef AVCODEC_VAAPI_DECODE_H
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| #define AVCODEC_VAAPI_DECODE_H
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| 
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| #include <va/va.h>
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| 
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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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| 
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| #include "avcodec.h"
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| 
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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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| 
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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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| 
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| enum {
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|     MAX_PARAM_BUFFERS = 16,
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| };
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| 
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| typedef struct VAAPIDecodePicture {
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|     VASurfaceID           output_surface;
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| 
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|     int                nb_param_buffers;
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|     VABufferID            param_buffers[MAX_PARAM_BUFFERS];
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| 
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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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| 
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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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| 
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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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| 
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|     AVHWDeviceContext    *device;
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|     AVVAAPIDeviceContext *hwctx;
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| 
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|     AVHWFramesContext    *frames;
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|     AVVAAPIFramesContext *hwfc;
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| 
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|     enum AVPixelFormat    surface_format;
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|     int                   surface_count;
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| 
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|     VASurfaceAttrib       pixel_format_attribute;
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| } VAAPIDecodeContext;
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| 
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| int ff_vaapi_common_frame_params(AVCodecContext *avctx,
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|                                  AVBufferRef *hw_frames_ctx);
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| 
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| #endif /* AVCODEC_VAAPI_DECODE_H */
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