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			@@ -2,10 +2,10 @@ Never assume the API of libav* to be stable unless at least 1 month has passed | 
		
		
	
		
			
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			since the last major version increase. | 
		
		
	
		
			
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			The last version increases were: | 
		
		
	
		
			
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			libavcodec:    2012-01-27 | 
		
		
	
		
			
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			libavdevice:   2011-04-18 | 
		
		
	
		
			
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			libavcodec:    2013-03-xx | 
		
		
	
		
			
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			libavdevice:   2013-03-xx | 
		
		
	
		
			
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			libavfilter:   2012-06-22 | 
		
		
	
		
			
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			libavformat:   2012-01-27 | 
		
		
	
		
			
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			libavformat:   2013-03-xx | 
		
		
	
		
			
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			libavresample: 2012-10-05 | 
		
		
	
		
			
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			libswscale:    2011-06-20 | 
		
		
	
		
			
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			libavutil:     2012-10-22 | 
		
		
	
	
		
			
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			@@ -13,6 +13,40 @@ libavutil:     2012-10-22 | 
		
		
	
		
			
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			API changes, most recent first: | 
		
		
	
		
			
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			2013-03-xx - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0, | 
		
		
	
		
			
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			lavd 54.0.0, lavfi 3.5.0 | 
		
		
	
		
			
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			  xxxxxxx, xxxxxxx - add a new API for reference counted buffers and buffer | 
		
		
	
		
			
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			                     pools (new header libavutil/buffer.h). | 
		
		
	
		
			
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			  xxxxxxx - add AVPacket.buf to allow reference counting for the AVPacket data. | 
		
		
	
		
			
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			            Add av_packet_from_data() function for constructing packets from | 
		
		
	
		
			
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			            av_malloc()ed data. | 
		
		
	
		
			
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			  xxxxxxx - move AVFrame from lavc to lavu (new header libavutil/frame.h), add | 
		
		
	
		
			
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			            AVFrame.buf/extended_buf to allow reference counting for the AVFrame | 
		
		
	
		
			
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			            data. Add new API for working with reference-counted AVFrames. | 
		
		
	
		
			
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			  xxxxxxx - add the refcounted_frames field to AVCodecContext to make audio and | 
		
		
	
		
			
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			            video decoders return reference-counted frames. Add get_buffer2() | 
		
		
	
		
			
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			            callback to AVCodecContext which allocates reference-counted frames. | 
		
		
	
		
			
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			            Add avcodec_default_get_buffer2() as the default get_buffer2() | 
		
		
	
		
			
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			            implementation. | 
		
		
	
		
			
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			            Deprecate AVCodecContext.get_buffer() / release_buffer() / | 
		
		
	
		
			
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			            reget_buffer(), avcodec_default_get_buffer(), | 
		
		
	
		
			
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			            avcodec_default_reget_buffer(), avcodec_default_release_buffer(). | 
		
		
	
		
			
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			            Remove avcodec_default_free_buffers(), which should not have ever | 
		
		
	
		
			
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			            been called from outside of lavc. | 
		
		
	
		
			
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			            Deprecate the following AVFrame fields: | 
		
		
	
		
			
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			                * base -- is now stored in AVBufferRef | 
		
		
	
		
			
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			                * reference, type, buffer_hints -- are unnecessary in the new API | 
		
		
	
		
			
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			                * hwaccel_picture_private, owner, thread_opaque -- should not | 
		
		
	
		
			
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			                  have been acessed from outside of lavc | 
		
		
	
		
			
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			                * qscale_table, qstride, qscale_type, mbskip_table, motion_val, | 
		
		
	
		
			
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			                  mb_type, dct_coeff, ref_index -- mpegvideo-specific tables, | 
		
		
	
		
			
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			                  which are not exported anymore. | 
		
		
	
		
			
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			  xxxxxxx - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add | 
		
		
	
		
			
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			            av_buffersrc_add_frame(), deprecate av_buffersrc_buffer(). | 
		
		
	
		
			
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			            Add av_buffersink_get_frame() and av_buffersink_get_samples(), | 
		
		
	
		
			
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			            deprecate av_buffersink_read() and av_buffersink_read_samples(). | 
		
		
	
		
			
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			            Deprecate AVFilterBufferRef and all functions for working with it. | 
		
		
	
		
			
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			2013-xx-xx - xxxxxxx - lavu 52.8.0 - avstring.h | 
		
		
	
		
			
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			  Add av_isdigit, av_isgraph, av_isspace, av_isxdigit. | 
		
		
	
		
			
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