Profile can be derived from values codecpar pixel format only with software formats. For hardware formats, we're forced to parse a frame header to get the required information. Signed-off-by: James Almer <jamrial@gmail.com>
		
			
				
	
	
		
			64 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2016 Google Inc.
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|  * Copyright (c) 2016 KongQun Yang (kqyang@google.com)
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|  *
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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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| /**
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|  * @file
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|  * internal header for VPx codec configuration utilities.
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|  */
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| 
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| #ifndef AVFORMAT_VPCC_H
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| #define AVFORMAT_VPCC_H
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| 
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| #include "libavutil/rational.h"
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| #include "libavcodec/codec_par.h"
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| #include "avio.h"
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| #include "avformat.h"
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| 
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| typedef struct VPCC {
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|     int profile;
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|     int level;
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|     int bitdepth;
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|     int chroma_subsampling;
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|     int full_range_flag;
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| } VPCC;
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| 
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| /**
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|  * Writes VP codec configuration to the provided AVIOContext.
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|  *
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|  * @param s address of the AVFormatContext for the logging context.
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|  * @param pb address of the AVIOContext where the vpcC shall be written.
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|  * @param data address of a data array which contains coded bitstream data from
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|  *             which codec information can be extracted. May be NULL.
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|  * @param len length of the data array.
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|  * @param par address of the AVCodecParameters which contains codec information.
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|  * @return >=0 in case of success, a negative value corresponding to an AVERROR
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|  *         code in case of failure
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|  */
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| int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb,
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|                        const uint8_t *data, int len,
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|                        AVCodecParameters *par);
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| 
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| int ff_isom_get_vpcc_features(AVFormatContext *s, AVCodecParameters *par,
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|                               const uint8_t *data, int len,
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|                               AVRational *frame_rate, VPCC *vpcc);
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| 
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| #endif /* AVFORMAT_VPCC_H */
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