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	c5d326f551
	
	
	
		
			
			This is cherrypicked from libav, from commits82b7525173andd0b1e6049b. Signed-off-by: Martin Storsjö <martin@martin.st>
		
			
				
	
	
		
			63 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * OpenH264 shared utils
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|  * Copyright (C) 2014 Martin Storsjo
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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 <string.h>
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| #include <wels/codec_api.h>
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| #include <wels/codec_ver.h>
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| 
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| #include "libavutil/log.h"
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| 
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| #include "libopenh264.h"
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| 
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| // Convert libopenh264 log level to equivalent ffmpeg log level.
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| static int libopenh264_to_ffmpeg_log_level(int libopenh264_log_level)
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| {
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|     if      (libopenh264_log_level >= WELS_LOG_DETAIL)  return AV_LOG_TRACE;
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|     else if (libopenh264_log_level >= WELS_LOG_DEBUG)   return AV_LOG_DEBUG;
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|     else if (libopenh264_log_level >= WELS_LOG_INFO)    return AV_LOG_VERBOSE;
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|     else if (libopenh264_log_level >= WELS_LOG_WARNING) return AV_LOG_WARNING;
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|     else if (libopenh264_log_level >= WELS_LOG_ERROR)   return AV_LOG_ERROR;
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|     else                                                return AV_LOG_QUIET;
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| }
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| 
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| void ff_libopenh264_trace_callback(void *ctx, int level, const char *msg)
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| {
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|     // The message will be logged only if the requested EQUIVALENT ffmpeg log level is
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|     // less than or equal to the current ffmpeg log level.
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|     int equiv_ffmpeg_log_level = libopenh264_to_ffmpeg_log_level(level);
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|     av_log(ctx, equiv_ffmpeg_log_level, "%s\n", msg);
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| }
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| 
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| int ff_libopenh264_check_version(void *logctx)
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| {
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|     // Mingw GCC < 4.7 on x86_32 uses an incorrect/buggy ABI for the WelsGetCodecVersion
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|     // function (for functions returning larger structs), thus skip the check in those
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|     // configurations.
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| #if !defined(_WIN32) || !defined(__GNUC__) || !ARCH_X86_32 || AV_GCC_VERSION_AT_LEAST(4, 7)
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|     OpenH264Version libver = WelsGetCodecVersion();
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|     if (memcmp(&libver, &g_stCodecVersion, sizeof(libver))) {
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|         av_log(logctx, AV_LOG_ERROR, "Incorrect library version loaded\n");
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|         return AVERROR(EINVAL);
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|     }
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| #endif
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|     return 0;
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| }
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