58 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * BRender PIX image demuxer
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|  * Copyright (c) 2014 Michael Niedermayer
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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 "img2.h"
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| #include "libavutil/intreadwrite.h"
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| 
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| static int brender_read_probe(AVProbeData *p)
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| {
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|     static const uint8_t brender_magic[16] = {
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|         0,0,0,0x12,0,0,0,8,0,0,0,2,0,0,0,2
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|     };
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| 
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|     if (memcmp(p->buf, brender_magic, sizeof(brender_magic)))
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|         return 0;
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| 
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|     if (AV_RB32(p->buf+16) != 0x03 &&
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|         AV_RB32(p->buf+16) != 0x3D)
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|         return 0;
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| 
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|     return AVPROBE_SCORE_MAX-10;
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| }
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| 
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| static const AVClass image2_brender_pix_class = {
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|     .class_name = "brender_pix demuxer",
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|     .item_name  = av_default_item_name,
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|     .option     = ff_img_options,
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|     .version    = LIBAVUTIL_VERSION_INT,
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| };
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| 
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| AVInputFormat ff_image2_brender_pix_demuxer = {
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|     .name           = "brender_pix",
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|     .long_name      = NULL_IF_CONFIG_SMALL("BRender PIX image"),
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|     .priv_data_size = sizeof(VideoDemuxData),
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|     .read_probe     = brender_read_probe,
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|     .read_header    = ff_img_read_header,
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|     .read_packet    = ff_img_read_packet,
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|     .raw_codec_id   = AV_CODEC_ID_BRENDER_PIX,
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|     .priv_class     = &image2_brender_pix_class,
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| };
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