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#include "libs/ffmpeg/FFmpeg.h"
#include "FFmpegHeaders.h"
namespace {
const int MIN_LOG_LEVEL = AV_LOG_WARNING;
bool initialized = false;
#ifndef NDEBUG
void log_callback_report(void* ptr, int level, const char* fmt, va_list vl) {
if (level > MIN_LOG_LEVEL) {
return;
}
char buffer[1024];
int print_prefix = 1;
av_log_format_line(ptr, level, fmt, vl, buffer, sizeof(buffer), &print_prefix);
mprintf(("FFMPEG Log: %s", buffer)); // no \n, ffmpeg handles that
}
#endif
void check_version(const char* libname, uint32_t current, uint32_t compiled)
{
mprintf(("FFmpeg: Using %s with version %d.%d.%d. Compiled with version %d.%d.%d\n", libname,
AV_VERSION_MAJOR(current), AV_VERSION_MINOR(current), AV_VERSION_MICRO(current),
AV_VERSION_MAJOR(compiled), AV_VERSION_MINOR(compiled), AV_VERSION_MICRO(compiled)));
auto current_major = AV_VERSION_MAJOR(current);
auto current_minor = AV_VERSION_MINOR(current);
auto compiled_major = AV_VERSION_MAJOR(compiled);
auto compiled_minor = AV_VERSION_MINOR(compiled);
if (current_major != compiled_major)
{
Error(LOCATION, "The major version of the %s library is not the same as the one this executable was compiled with!\n"
"Current major version is %" PRIu32 " but this executable was compiled with major version %" PRIu32 ".\n"
"This may be caused by using outdated DLLs, if you downloaded these builds then try reextracting the zip file.", libname, current_major, compiled_major);
}
if (current_minor < compiled_minor)
{
Error(LOCATION, "The minor version of the %s library is not the same as the one this executable was compiled with!\n"
"Current minor version is %" PRIu32 " but this executable was compiled with minor version %" PRIu32 ".\n"
"This may be caused by using outdated DLLs, if you downloaded these builds then try reextracting the zip file.", libname, current_minor, compiled_minor);
}
}
}
namespace libs {
namespace ffmpeg {
void initialize() {
if (initialized) {
return;
}
// This is deprecated since 58.9.100 and not needed anymore
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 9, 100)
av_register_all();
#endif
check_version("libavcodec", avcodec_version(), LIBAVCODEC_VERSION_INT);
check_version("libavformat", avformat_version(), LIBAVFORMAT_VERSION_INT);
check_version("libavutil", avutil_version(), LIBAVUTIL_VERSION_INT);
check_version("libswresample", swresample_version(), LIBSWRESAMPLE_VERSION_INT);
check_version("libswscale", swscale_version(), LIBSWSCALE_VERSION_INT);
#ifndef NDEBUG
av_log_set_callback(&log_callback_report);
av_log_set_level(MIN_LOG_LEVEL);
#else
av_log_set_level(AV_LOG_QUIET);
#endif
mprintf(("FFmpeg library initialized!\n"));
mprintf(("FFmpeg: License: %s\n", avformat_license()));
initialized = true;
}
}
}
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