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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#ifndef OPENSHOT_FFMPEG_UTILITIES_H
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#define OPENSHOT_FFMPEG_UTILITIES_H
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// Required for libavformat to build on Windows
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#ifndef INT64_C
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#define INT64_C(c) (c ## LL)
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#define UINT64_C(c) (c ## ULL)
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#endif
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// Include the FFmpeg headers
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libswscale/swscale.h>
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#include <libavutil/mathematics.h>
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// libavutil changed folders at some point
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#if LIBAVFORMAT_VERSION_MAJOR >= 53
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#include <libavutil/opt.h>
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#else
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#include <libavcodec/opt.h>
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#endif
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}
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// This was removed from newer versions of FFmpeg (but still used in libopenshot)
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#ifndef AVCODEC_MAX_AUDIO_FRAME_SIZE
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
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#endif
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#ifndef AV_ERROR_MAX_STRING_SIZE
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#define AV_ERROR_MAX_STRING_SIZE 64
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#endif
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// This wraps an unsafe C macro to be C++ compatible function
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static const std::string av_make_error_string(int errnum)
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{
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char errbuf[AV_ERROR_MAX_STRING_SIZE];
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av_strerror(errnum, errbuf, AV_ERROR_MAX_STRING_SIZE);
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return (std::string)errbuf;
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}
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// Redefine the C macro to use our new C++ function
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#undef av_err2str
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#define av_err2str(errnum) av_make_error_string(errnum).c_str()
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#endif
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