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FF-1745: ac3 now automatically convert to 5.1 (6 Channels) if channel count is higher

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John Andrews
2024-09-03 10:09:34 +12:00
parent c738817646
commit 4767e7c336
1 changed files with 15 additions and 3 deletions
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18
VideoNodes/FfmpegBuilderNodes/Audio/FfmpegBuilderAudioAddTrack.cs
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@@ -365,7 +365,9 @@ public class FfmpegBuilderAudioAddTrack : TrackSelectorFlowElement<FfmpegBuilder
if (opus)
codec = "libopus";
bool eac3 = codec.ToLowerInvariant() == "eac3";
bool ac3 = codec.ToLowerInvariant() == "ac3";
bool dts = codec.ToLowerInvariant().Contains("dts");
// Prepare the options list
var options = new List<string>
@@ -378,17 +380,27 @@ public class FfmpegBuilderAudioAddTrack : TrackSelectorFlowElement<FfmpegBuilder
// Handle channels
if (channels > 0)
{
if (ac3 && channels > 5.9f)
channels = 6;
options.Add("-ac:a:{index}");
options.Add(channels.ToString(CultureInfo.InvariantCulture));
}
else if ((opus || eac3 || dts) && stream.Channels > 1)
else if ((opus || eac3 || dts || ac3) && stream.Channels > 1)
{
// FF-1016: Opus needs this for side by side channel layout
args.Logger?.ILog("Original Audio Channels: " + stream.Channels);
if (Math.Abs(stream.Channels - 61) < 1)
{
args.Logger?.ILog("Channels 61 detected setting to 8");
options.AddRange(new[] { "-ac:a:{index}", "8" });
if (ac3)
{
args.Logger?.ILog("Channels 61 detected setting to maximum of 5.1 (6 Channels)");
options.AddRange(new[] { "-ac:a:{index}", "6" });
}
else
{
args.Logger?.ILog("Channels 61 detected setting to 8");
options.AddRange(new[] { "-ac:a:{index}", "8" });
}
}
else if (stream.Channels is > 5 and <= 6 || Math.Abs(stream.Channels - 51) < 1)
{