Files
libopenshot/include/FFmpegUtilities.h

47 lines
1.2 KiB
C++

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