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Fix a bug that would occasionally cause opening audio using the ffms2 audio provider to fail with error "out of bounds track number selected".

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Originally committed to SVN as r3818.
This commit is contained in:
Karl Blomster 2009-11-21 22:08:03 +00:00
parent 653427fbad
commit e720bba41c
1 changed files with 11 additions and 2 deletions
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13
aegisub/src/audio_provider_ffmpegsource.cpp
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@ -156,14 +156,19 @@ void FFmpegSourceAudioProvider::LoadAudio(wxString filename) {
Index = NULL;
}
}
// no valid index exists and the file only has one audio track, index all tracks
// no valid index exists and the file only has one audio track, index it
else if (TrackNumber < 0)
TrackNumber = FFMS_TRACKMASK_ALL;
// else: do nothing (keep track mask as it is)
// moment of truth
if (!IndexIsValid) {
int TrackMask = Options.AsBool(_T("FFmpegSource always index all tracks")) ? FFMS_TRACKMASK_ALL : 1 << TrackNumber;
int TrackMask;
if (Options.AsBool(_T("FFmpegSource always index all tracks")) || TrackNumber == FFMS_TRACKMASK_ALL)
TrackMask = FFMS_TRACKMASK_ALL;
else
TrackMask = (1 << TrackNumber);
try {
Index = DoIndexing(Indexer, CacheName, TrackMask, false);
} catch (wxString temp) {
@ -172,6 +177,10 @@ void FFmpegSourceAudioProvider::LoadAudio(wxString filename) {
} catch (...) {
throw;
}
// if tracknumber still isn't set we need to set it now
if (TrackNumber == FFMS_TRACKMASK_ALL)
TrackNumber = FFMS_GetFirstTrackOfType(Index, FFMS_TYPE_AUDIO, &ErrInfo);
}
// update access time of index file so it won't get cleaned away