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			86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2013 Georg Martius <georg dot martius at web dot de>
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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 "vidstabutils.h"
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| 
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| /** convert AV's pixelformat to vid.stab pixelformat */
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| VSPixelFormat ff_av2vs_pixfmt(AVFilterContext *ctx, enum AVPixelFormat pf)
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| {
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|     switch (pf) {
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|     case AV_PIX_FMT_YUV420P:  return PF_YUV420P;
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|     case AV_PIX_FMT_YUV422P:  return PF_YUV422P;
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|     case AV_PIX_FMT_YUV444P:  return PF_YUV444P;
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|     case AV_PIX_FMT_YUV410P:  return PF_YUV410P;
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|     case AV_PIX_FMT_YUV411P:  return PF_YUV411P;
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|     case AV_PIX_FMT_YUV440P:  return PF_YUV440P;
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|     case AV_PIX_FMT_YUVA420P: return PF_YUVA420P;
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|     case AV_PIX_FMT_GRAY8:    return PF_GRAY8;
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|     case AV_PIX_FMT_RGB24:    return PF_RGB24;
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|     case AV_PIX_FMT_BGR24:    return PF_BGR24;
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|     case AV_PIX_FMT_RGBA:     return PF_RGBA;
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|     default:
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|         av_log(ctx, AV_LOG_ERROR, "cannot deal with pixel format %i\n", pf);
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|         return PF_NONE;
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|     }
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| }
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| 
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| /** struct to hold a valid context for logging from within vid.stab lib */
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| typedef struct VS2AVLogCtx {
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|     const AVClass *class;
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| } VS2AVLogCtx;
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| 
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| /** wrapper to log vs_log into av_log */
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| static int vs2av_log(int type, const char *tag, const char *format, ...)
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| {
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|     va_list ap;
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|     VS2AVLogCtx ctx;
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|     AVClass class = {
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|         .class_name = tag,
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|         .item_name  = av_default_item_name,
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|         .option     = 0,
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|         .version    = LIBAVUTIL_VERSION_INT,
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|         .category   = AV_CLASS_CATEGORY_FILTER,
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|     };
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|     ctx.class = &class;
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|     va_start(ap, format);
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|     av_vlog(&ctx, type, format, ap);
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|     va_end(ap);
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|     return VS_OK;
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| }
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| 
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| /** sets the memory allocation function and logging constants to av versions */
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| void ff_vs_init(void)
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| {
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|     vs_malloc  = av_malloc;
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|     vs_zalloc  = av_mallocz;
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|     vs_realloc = av_realloc;
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|     vs_free    = av_free;
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| 
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|     VS_ERROR_TYPE = AV_LOG_ERROR;
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|     VS_WARN_TYPE  = AV_LOG_WARNING;
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|     VS_INFO_TYPE  = AV_LOG_INFO;
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|     VS_MSG_TYPE   = AV_LOG_VERBOSE;
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| 
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|     vs_log   = vs2av_log;
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| 
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|     VS_ERROR = 0;
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|     VS_OK    = 1;
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| }
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