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clarified downmixing error in ffmpeg audio provider 

Originally committed to SVN as r2239.
This commit is contained in:
Karl Blomster 2008-07-05 11:29:42 +00:00
parent 484a179798
commit 51c9856160
1 changed files with 4 additions and 0 deletions
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4
aegisub/audio_provider_lavc.cpp
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@ -122,6 +122,10 @@ LAVCAudioProvider::LAVCAudioProvider(Aegisub::String _filename)
/* aegisub currently supports mono only, so always resample unless it's mono with the desired samplerate */ /* aegisub currently supports mono only, so always resample unless it's mono with the desired samplerate */
if ((sample_rate != codecContext->sample_rate) || (codecContext->channels > 1)) { if ((sample_rate != codecContext->sample_rate) || (codecContext->channels > 1)) {
// FIXME: ffmpeg currently doesn't support downmixing audio with more than two channels,
// remove the following line when it does.
if (codecContext->channels > 2)
throw _T("ffmpeg audio provider: Downmixing audio with more than two channels is currently not supported by ffmpeg");
rsct = audio_resample_init(1, codecContext->channels, sample_rate, codecContext->sample_rate); rsct = audio_resample_init(1, codecContext->channels, sample_rate, codecContext->sample_rate);
if (!rsct) if (!rsct)
throw _T("ffmpeg audio provider: Failed to initialize resampling"); throw _T("ffmpeg audio provider: Failed to initialize resampling");