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	Patch by Janusz Krzysztofik jkrzyszt tis icnet pl Original thread: Subject: [FFmpeg-devel] [PATCH v2] Add initial support for 12-bit color mode. Date: Mon, 1 Mar 2010 02:05:07 +0100 Originally committed as revision 22220 to svn://svn.ffmpeg.org/ffmpeg/trunk
		
			
				
	
	
		
			833 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			833 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * pixel format descriptor
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|  * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
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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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| #include "pixfmt.h"
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| #include "pixdesc.h"
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| 
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| #include "intreadwrite.h"
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| 
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| void read_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
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|                const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component)
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| {
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|     AVComponentDescriptor comp= desc->comp[c];
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|     int plane= comp.plane;
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|     int depth= comp.depth_minus1+1;
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|     int mask = (1<<depth)-1;
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|     int shift= comp.shift;
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|     int step = comp.step_minus1+1;
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|     int flags= desc->flags;
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| 
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|     if (flags & PIX_FMT_BITSTREAM){
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|         int skip = x*step + comp.offset_plus1-1;
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|         const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
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|         int shift = 8 - depth - (skip&7);
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| 
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|         while(w--){
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|             int val = (*p >> shift) & mask;
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|             if(read_pal_component)
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|                 val= data[1][4*val + c];
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|             shift -= step;
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|             p -= shift>>3;
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|             shift &= 7;
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|             *dst++= val;
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|         }
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|     } else {
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|         const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
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| 
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|         while(w--){
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|             int val;
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|             if(flags & PIX_FMT_BE) val= AV_RB16(p);
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|             else                   val= AV_RL16(p);
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|             val = (val>>shift) & mask;
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|             if(read_pal_component)
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|                 val= data[1][4*val + c];
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|             p+= step;
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|             *dst++= val;
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|         }
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|     }
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| }
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| 
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| void write_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
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|                 const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
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| {
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|     AVComponentDescriptor comp = desc->comp[c];
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|     int plane = comp.plane;
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|     int depth = comp.depth_minus1+1;
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|     int step  = comp.step_minus1+1;
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|     int flags = desc->flags;
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| 
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|     if (flags & PIX_FMT_BITSTREAM) {
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|         int skip = x*step + comp.offset_plus1-1;
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|         uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
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|         int shift = 8 - depth - (skip&7);
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| 
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|         while (w--) {
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|             *p |= *src++ << shift;
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|             shift -= step;
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|             p -= shift>>3;
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|             shift &= 7;
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|         }
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|     } else {
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|         int shift = comp.shift;
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|         uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
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| 
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|         while (w--) {
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|             if (flags & PIX_FMT_BE) {
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|                 uint16_t val = AV_RB16(p) | (*src++<<shift);
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|                 AV_WB16(p, val);
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|             } else {
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|                 uint16_t val = AV_RL16(p) | (*src++<<shift);
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|                 AV_WL16(p, val);
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|             }
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|             p+= step;
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|         }
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|     }
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| }
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| 
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| const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
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|     [PIX_FMT_YUV420P] = {
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|         .name = "yuv420p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 1,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_YUYV422] = {
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|         .name = "yuyv422",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,1,1,0,7},        /* Y */
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|             {0,3,2,0,7},        /* U */
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|             {0,3,4,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_RGB24] = {
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|         .name = "rgb24",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,2,1,0,7},        /* R */
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|             {0,2,2,0,7},        /* G */
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|             {0,2,3,0,7},        /* B */
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|         },
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|     },
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|     [PIX_FMT_BGR24] = {
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|         .name = "bgr24",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,2,1,0,7},        /* B */
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|             {0,2,2,0,7},        /* G */
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|             {0,2,3,0,7},        /* R */
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|         },
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|     },
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|     [PIX_FMT_YUV422P] = {
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|         .name = "yuv422p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_YUV444P] = {
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|         .name = "yuv444p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_YUV410P] = {
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|         .name = "yuv410p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 2,
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|         .log2_chroma_h= 2,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_YUV411P] = {
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|         .name = "yuv411p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 2,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_GRAY8] = {
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|         .name = "gray",
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|         .nb_components= 1,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|         },
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|         .flags = PIX_FMT_PAL,
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|     },
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|     [PIX_FMT_MONOWHITE] = {
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|         .name = "monow",
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|         .nb_components= 1,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,0},        /* Y */
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|         },
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|         .flags = PIX_FMT_BITSTREAM,
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|     },
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|     [PIX_FMT_MONOBLACK] = {
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|         .name = "monob",
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|         .nb_components= 1,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,7,0},        /* Y */
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|         },
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|         .flags = PIX_FMT_BITSTREAM,
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|     },
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|     [PIX_FMT_PAL8] = {
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|         .name = "pal8",
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|         .nb_components= 1,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},
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|         },
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|         .flags = PIX_FMT_PAL,
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|     },
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|     [PIX_FMT_YUVJ420P] = {
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|         .name = "yuvj420p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 1,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_YUVJ422P] = {
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|         .name = "yuvj422p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_YUVJ444P] = {
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|         .name = "yuvj444p",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,0,1,0,7},        /* U */
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|             {2,0,1,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_XVMC_MPEG2_MC] = {
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|         .name = "xvmcmc",
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|         .flags = PIX_FMT_HWACCEL,
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|     },
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|     [PIX_FMT_XVMC_MPEG2_IDCT] = {
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|         .name = "xvmcidct",
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|         .flags = PIX_FMT_HWACCEL,
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|     },
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|     [PIX_FMT_UYVY422] = {
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|         .name = "uyvy422",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,1,2,0,7},        /* Y */
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|             {0,3,1,0,7},        /* U */
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|             {0,3,3,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_UYYVYY411] = {
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|         .name = "uyyvyy411",
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|         .nb_components= 3,
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|         .log2_chroma_w= 2,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,3,2,0,7},        /* Y */
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|             {0,5,1,0,7},        /* U */
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|             {0,5,4,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_BGR8] = {
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|         .name = "bgr8",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,6,1},        /* B */
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|             {0,0,1,3,2},        /* G */
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|             {0,0,1,0,2},        /* R */
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|         },
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|         .flags = PIX_FMT_PAL,
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|     },
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|     [PIX_FMT_BGR4] = {
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|         .name = "bgr4",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,3,1,0,0},        /* B */
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|             {0,3,2,0,1},        /* G */
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|             {0,3,4,0,0},        /* R */
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|         },
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|         .flags = PIX_FMT_BITSTREAM,
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|     },
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|     [PIX_FMT_BGR4_BYTE] = {
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|         .name = "bgr4_byte",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,3,0},        /* B */
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|             {0,0,1,1,1},        /* G */
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|             {0,0,1,0,0},        /* R */
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|         },
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|         .flags = PIX_FMT_PAL,
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|     },
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|     [PIX_FMT_RGB8] = {
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|         .name = "rgb8",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,6,1},        /* R */
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|             {0,0,1,3,2},        /* G */
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|             {0,0,1,0,2},        /* B */
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|         },
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|         .flags = PIX_FMT_PAL,
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|     },
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|     [PIX_FMT_RGB4] = {
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|         .name = "rgb4",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,3,1,0,0},       /* R */
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|             {0,3,2,0,1},       /* G */
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|             {0,3,4,0,0},       /* B */
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|         },
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|         .flags = PIX_FMT_BITSTREAM,
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|     },
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|     [PIX_FMT_RGB4_BYTE] = {
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|         .name = "rgb4_byte",
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|         .nb_components= 3,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,0,1,3,0},        /* R */
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|             {0,0,1,1,1},        /* G */
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|             {0,0,1,0,0},        /* B */
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|         },
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|         .flags = PIX_FMT_PAL,
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|     },
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|     [PIX_FMT_NV12] = {
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|         .name = "nv12",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 1,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,1,1,0,7},        /* U */
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|             {1,1,2,0,7},        /* V */
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|         },
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|     },
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|     [PIX_FMT_NV21] = {
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|         .name = "nv21",
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|         .nb_components= 3,
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|         .log2_chroma_w= 1,
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|         .log2_chroma_h= 1,
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|         .comp = {
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|             {0,0,1,0,7},        /* Y */
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|             {1,1,1,0,7},        /* V */
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|             {1,1,2,0,7},        /* U */
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|         },
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|     },
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|     [PIX_FMT_ARGB] = {
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|         .name = "argb",
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|         .nb_components= 4,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,3,1,0,7},        /* A */
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|             {0,3,2,0,7},        /* R */
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|             {0,3,3,0,7},        /* G */
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|             {0,3,4,0,7},        /* B */
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|         },
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|     },
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|     [PIX_FMT_RGBA] = {
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|         .name = "rgba",
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|         .nb_components= 4,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
 | |
|         .comp = {
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|             {0,3,1,0,7},        /* R */
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|             {0,3,2,0,7},        /* G */
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|             {0,3,3,0,7},        /* B */
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|             {0,3,4,0,7},        /* A */
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|         },
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|     },
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|     [PIX_FMT_ABGR] = {
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|         .name = "abgr",
 | |
|         .nb_components= 4,
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|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
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|         .comp = {
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|             {0,3,1,0,7},        /* A */
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|             {0,3,2,0,7},        /* B */
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|             {0,3,3,0,7},        /* G */
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|             {0,3,4,0,7},        /* R */
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|         },
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|     },
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|     [PIX_FMT_BGRA] = {
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|         .name = "bgra",
 | |
|         .nb_components= 4,
 | |
|         .log2_chroma_w= 0,
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|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,3,1,0,7},        /* B */
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|             {0,3,2,0,7},        /* G */
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|             {0,3,3,0,7},        /* R */
 | |
|             {0,3,4,0,7},        /* A */
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|         },
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|     },
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|     [PIX_FMT_GRAY16BE] = {
 | |
|         .name = "gray16be",
 | |
|         .nb_components= 1,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},       /* Y */
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|         },
 | |
|         .flags = PIX_FMT_BE,
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|     },
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|     [PIX_FMT_GRAY16LE] = {
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|         .name = "gray16le",
 | |
|         .nb_components= 1,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},       /* Y */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_YUV440P] = {
 | |
|         .name = "yuv440p",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 1,
 | |
|         .comp = {
 | |
|             {0,0,1,0,7},        /* Y */
 | |
|             {1,0,1,0,7},        /* U */
 | |
|             {2,0,1,0,7},        /* V */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_YUVJ440P] = {
 | |
|         .name = "yuvj440p",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 1,
 | |
|         .comp = {
 | |
|             {0,0,1,0,7},        /* Y */
 | |
|             {1,0,1,0,7},        /* U */
 | |
|             {2,0,1,0,7},        /* V */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_YUVA420P] = {
 | |
|         .name = "yuva420p",
 | |
|         .nb_components= 4,
 | |
|         .log2_chroma_w= 1,
 | |
|         .log2_chroma_h= 1,
 | |
|         .comp = {
 | |
|             {0,0,1,0,7},        /* Y */
 | |
|             {1,0,1,0,7},        /* U */
 | |
|             {2,0,1,0,7},        /* V */
 | |
|             {3,0,1,0,7},        /* A */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_VDPAU_H264] = {
 | |
|         .name = "vdpau_h264",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VDPAU_MPEG1] = {
 | |
|         .name = "vdpau_mpeg1",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VDPAU_MPEG2] = {
 | |
|         .name = "vdpau_mpeg2",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VDPAU_WMV3] = {
 | |
|         .name = "vdpau_wmv3",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VDPAU_VC1] = {
 | |
|         .name = "vdpau_vc1",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VDPAU_MPEG4] = {
 | |
|         .name = "vdpau_mpeg4",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_RGB48BE] = {
 | |
|         .name = "rgb48be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,5,1,0,15},       /* R */
 | |
|             {0,5,3,0,15},       /* G */
 | |
|             {0,5,5,0,15},       /* B */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_RGB48LE] = {
 | |
|         .name = "rgb48le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,5,1,0,15},       /* R */
 | |
|             {0,5,3,0,15},       /* G */
 | |
|             {0,5,5,0,15},       /* B */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_RGB565BE] = {
 | |
|         .name = "rgb565be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,0,3,4},        /* R */
 | |
|             {0,1,1,5,5},        /* G */
 | |
|             {0,1,1,0,4},        /* B */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_RGB565LE] = {
 | |
|         .name = "rgb565le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,2,3,4},        /* R */
 | |
|             {0,1,1,5,5},        /* G */
 | |
|             {0,1,1,0,4},        /* B */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_RGB555BE] = {
 | |
|         .name = "rgb555be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,0,2,4},        /* R */
 | |
|             {0,1,1,5,4},        /* G */
 | |
|             {0,1,1,0,4},        /* B */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_RGB555LE] = {
 | |
|         .name = "rgb555le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,2,2,4},        /* R */
 | |
|             {0,1,1,5,4},        /* G */
 | |
|             {0,1,1,0,4},        /* B */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_RGB444BE] = {
 | |
|         .name = "rgb444be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,0,0,3},        /* R */
 | |
|             {0,1,1,4,3},        /* G */
 | |
|             {0,1,1,0,3},        /* B */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_RGB444LE] = {
 | |
|         .name = "rgb444le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,2,0,3},        /* R */
 | |
|             {0,1,1,4,3},        /* G */
 | |
|             {0,1,1,0,3},        /* B */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_BGR565BE] = {
 | |
|         .name = "bgr565be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,0,3,4},        /* B */
 | |
|             {0,1,1,5,5},        /* G */
 | |
|             {0,1,1,0,4},        /* R */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_BGR565LE] = {
 | |
|         .name = "bgr565le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,2,3,4},        /* B */
 | |
|             {0,1,1,5,5},        /* G */
 | |
|             {0,1,1,0,4},        /* R */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_BGR555BE] = {
 | |
|         .name = "bgr555be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,0,2,4},       /* B */
 | |
|             {0,1,1,5,4},       /* G */
 | |
|             {0,1,1,0,4},       /* R */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|      },
 | |
|     [PIX_FMT_BGR555LE] = {
 | |
|         .name = "bgr555le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,2,2,4},        /* B */
 | |
|             {0,1,1,5,4},        /* G */
 | |
|             {0,1,1,0,4},        /* R */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_BGR444BE] = {
 | |
|         .name = "bgr444be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,0,0,3},       /* B */
 | |
|             {0,1,1,4,3},       /* G */
 | |
|             {0,1,1,0,3},       /* R */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|      },
 | |
|     [PIX_FMT_BGR444LE] = {
 | |
|         .name = "bgr444le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,2,0,3},        /* B */
 | |
|             {0,1,1,4,3},        /* G */
 | |
|             {0,1,1,0,3},        /* R */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_VAAPI_MOCO] = {
 | |
|         .name = "vaapi_moco",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VAAPI_IDCT] = {
 | |
|         .name = "vaapi_idct",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_VAAPI_VLD] = {
 | |
|         .name = "vaapi_vld",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
|     [PIX_FMT_YUV420P16LE] = {
 | |
|         .name = "yuv420p16le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 1,
 | |
|         .log2_chroma_h= 1,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},        /* Y */
 | |
|             {1,1,1,0,15},        /* U */
 | |
|             {2,1,1,0,15},        /* V */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_YUV420P16BE] = {
 | |
|         .name = "yuv420p16be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 1,
 | |
|         .log2_chroma_h= 1,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},        /* Y */
 | |
|             {1,1,1,0,15},        /* U */
 | |
|             {2,1,1,0,15},        /* V */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_YUV422P16LE] = {
 | |
|         .name = "yuv422p16le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 1,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},        /* Y */
 | |
|             {1,1,1,0,15},        /* U */
 | |
|             {2,1,1,0,15},        /* V */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_YUV422P16BE] = {
 | |
|         .name = "yuv422p16be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 1,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},        /* Y */
 | |
|             {1,1,1,0,15},        /* U */
 | |
|             {2,1,1,0,15},        /* V */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_YUV444P16LE] = {
 | |
|         .name = "yuv444p16le",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},        /* Y */
 | |
|             {1,1,1,0,15},        /* U */
 | |
|             {2,1,1,0,15},        /* V */
 | |
|         },
 | |
|     },
 | |
|     [PIX_FMT_YUV444P16BE] = {
 | |
|         .name = "yuv444p16be",
 | |
|         .nb_components= 3,
 | |
|         .log2_chroma_w= 0,
 | |
|         .log2_chroma_h= 0,
 | |
|         .comp = {
 | |
|             {0,1,1,0,15},        /* Y */
 | |
|             {1,1,1,0,15},        /* U */
 | |
|             {2,1,1,0,15},        /* V */
 | |
|         },
 | |
|         .flags = PIX_FMT_BE,
 | |
|     },
 | |
|     [PIX_FMT_DXVA2_VLD] = {
 | |
|         .name = "dxva2_vld",
 | |
|         .log2_chroma_w = 1,
 | |
|         .log2_chroma_h = 1,
 | |
|         .flags = PIX_FMT_HWACCEL,
 | |
|     },
 | |
| };
 | |
| 
 | |
| static enum PixelFormat get_pix_fmt_internal(const char *name)
 | |
| {
 | |
|     enum PixelFormat pix_fmt;
 | |
| 
 | |
|     for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
 | |
|         if (av_pix_fmt_descriptors[pix_fmt].name &&
 | |
|             !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
 | |
|             return pix_fmt;
 | |
| 
 | |
|     return PIX_FMT_NONE;
 | |
| }
 | |
| 
 | |
| #if HAVE_BIGENDIAN
 | |
| #   define X_NE(be, le) be
 | |
| #else
 | |
| #   define X_NE(be, le) le
 | |
| #endif
 | |
| 
 | |
| enum PixelFormat av_get_pix_fmt(const char *name)
 | |
| {
 | |
|     enum PixelFormat pix_fmt;
 | |
| 
 | |
|     if (!strcmp(name, "rgb32"))
 | |
|         name = X_NE("argb", "bgra");
 | |
|     else if (!strcmp(name, "bgr32"))
 | |
|         name = X_NE("abgr", "rgba");
 | |
| 
 | |
|     pix_fmt = get_pix_fmt_internal(name);
 | |
|     if (pix_fmt == PIX_FMT_NONE) {
 | |
|         char name2[32];
 | |
| 
 | |
|         snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
 | |
|         pix_fmt = get_pix_fmt_internal(name2);
 | |
|     }
 | |
|     return pix_fmt;
 | |
| }
 | |
| 
 | |
| int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
 | |
| {
 | |
|     int c, bits = 0;
 | |
|     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
 | |
| 
 | |
|     for (c = 0; c < pixdesc->nb_components; c++) {
 | |
|         int s = c==1 || c==2 ? 0 : log2_pixels;
 | |
|         bits += (pixdesc->comp[c].depth_minus1+1) << s;
 | |
|     }
 | |
| 
 | |
|     return bits >> log2_pixels;
 | |
| }
 |