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Prevent multiple resample dialogs during ExportMultiple

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This commit is contained in:
Leland Lucius 2020-03-30 18:55:43 -05:00
parent f8053b73e2
commit 4806c02e81
1 changed files with 9 additions and 1 deletions
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10
src/export/ExportFFmpeg.cpp
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@ -420,12 +420,20 @@ bool ExportFFmpeg::InitCodecs(AudacityProject *project)
AVDictionary *options = NULL;
AVDictionaryCleanup cleanup{ &options };
// Get the sample rate from the passed settings if we haven't set it before.
// Doing this only when not set allows us to carry the sample rate from one
// iteration of ExportMultiple to the next. This prevents multiple resampling
// dialogs in the event the codec can't support the specified rate.
if (!mSampleRate)
{
mSampleRate = (int)settings.GetRate();
}
// Configure the audio stream's codec context.
mEncAudioCodecCtx->codec_id = ExportFFmpegOptions::fmts[mSubFormat].codecid;
mEncAudioCodecCtx->codec_type = AVMEDIA_TYPE_AUDIO;
mEncAudioCodecCtx->codec_tag = av_codec_get_tag(mEncFormatCtx->oformat->codec_tag,mEncAudioCodecCtx->codec_id);
mSampleRate = (int)settings.GetRate();
mEncAudioCodecCtx->global_quality = -99999; //quality mode is off by default;
// Each export type has its own settings