// long books, single mode: default 32bit FFmpeg may run out of memory
public void SetFFmpegPrefer64Bit(IConvSettings settings)
{
if (settings.ConvMode != EConvMode.single)
{
return;
}
if (!settings.FFMpegDirectory.IsNullOrWhiteSpace())
{
return;
}
TimeSpan durationFFmpeg64Bit = DurationFFmpeg64Bit;
if (settings.FFmpeg64bitHours > 0)
{
durationFFmpeg64Bit = TimeSpan.FromHours(settings.FFmpeg64bitHours);
}
if (Duration < durationFFmpeg64Bit)
{
return;
}
FFmpegPrefer64Bit = ApplEnv.Is64BitOperatingSystem;
Log(3, this, () =>
$"\"{Book.SortingTitle.Shorten ()}\" {nameof(FFmpegPrefer64Bit)}={FFmpegPrefer64Bit}");
}
public bool IsTrancodeConversion(IConvSettings settings)
{
bool isMp3 = IsMp3Stream;
bool wantMp3 = settings.ConvFormat == EConvFormat.mp3;
bool isTranscode = isMp3 != wantMp3;
var(abr, _) = settings.ApplicableBitRate(AaxFileItem.AvgBitRate);
bool changeBitRate = abr != 0;
isTranscode |= changeBitRate;
return(isTranscode);
}
public void CreateCueSheet(IConvSettings settings)
{
Log(3, this, () => this.ToString());
// do not trust the settings range check. Enforce track length between 3 and 15 min.
int trackDurMins = Math.Max(3, Math.Min(15, (int)settings.TrkDurMins));
// expects all chapters in individual files, each starting at time 0
// tracks per chapter
foreach (var chapter in Chapters)
{
chapter.CreateCueSheet(this, trackDurMins, settings.ConvMode == EConvMode.splitTime);
}
}
public void SetMetaChapters(IConvSettings settings)
{
switch (settings.ConvMode)
{
case EConvMode.chapters:
case EConvMode.splitChapters:
setMetaChaptersSingle();
break;
case EConvMode.splitTime:
setMetaChaptersMulti();
break;
}
}
public void CreateCueSheet(IConvSettings settings)
{
Log(3, this, () => this.ToString());
// Do not trust the settings range check. Enforce track length between 3 and 15/90 min.
var(_, _, trackDurMins) = settings.TrkDurMins.TrackDuration(settings.ConvMode);
// expects all chapters in individual files, each starting at time 0
// tracks per chapter
foreach (var chapter in Chapters)
{
chapter.CreateCueSheet(this, trackDurMins, settings.ConvMode == EConvMode.splitTime);
}
}
public static bool UseEmbeddedChapterTimes(this IConvSettings settings) => settings.PreferEmbeddedChapterTimes == EPreferEmbeddedChapterTimes.ifSilent && settings.NamedChapters != ENamedChapters.no;
public DegreeOfParallelism(IConvSettings settings)
{
_settings = settings;
}
