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[Shinon] Change Mono Downmixing to Stereo Downmixing

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Ristellise 2021-10-01 22:21:41 +08:00 committed by arch1t3cht
parent dabd9f699f
commit f06e42a82e
2 changed files with 5 additions and 3 deletions
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5
src/audio_provider_ffmpegsource.cpp
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@ -166,10 +166,11 @@ void FFmpegSourceAudioProvider::LoadAudio(agi::fs::path const& filename) {
}
if (OPT_GET("Provider/Audio/FFmpegSource/Downmix")->GetBool()) {
if (channels > 1 || bytes_per_sample != 2 || float_samples) {
if (channels > 2 || bytes_per_sample != 2 || float_samples) {
std::unique_ptr<FFMS_ResampleOptions, decltype(&FFMS_DestroyResampleOptions)>
opt(FFMS_CreateResampleOptions(AudioSource), FFMS_DestroyResampleOptions);
opt->ChannelLayout = FFMS_CH_FRONT_CENTER;
if (channels > 2)
opt->ChannelLayout = FFMS_CH_FRONT_LEFT | FFMS_CH_FRONT_RIGHT;
opt->SampleFormat = FFMS_FMT_S16;
// Might fail if FFMS2 wasn't built with libavresample

3
src/preferences.cpp
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@ -401,7 +401,8 @@ void Advanced_Audio(wxTreebook *book, Preferences *parent) {
p->OptionChoice(ffms, _("Audio indexing error handling mode"), error_modes_choice, "Provider/Audio/FFmpegSource/Decode Error Handling");
p->OptionAdd(ffms, _("Always index all audio tracks"), "Provider/FFmpegSource/Index All Tracks");
p->OptionAdd(ffms, _("Downmix to 16bit mono audio"), "Provider/Audio/FFmpegSource/Downmix");
wxControl* stereo = p->OptionAdd(ffms, _("Downmix to stereo"), "Provider/Audio/FFmpegSource/Downmix");
stereo->SetToolTip("Reduces memory usage on surround audio, but may cause audio tracks to sound blank in specific circumstances. This will not affect audio with two channels or less.");
#endif
#ifdef WITH_PORTAUDIO