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Improve ffmpeg feature detection

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This commit is contained in:
ConfusedPolarBear 2022-06-13 17:26:05 -05:00
parent a825b1cd3b
commit 393e2c35e4
1 changed files with 27 additions and 3 deletions
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30
ConfusedPolarBear.Plugin.IntroSkipper/Chromaprint.cs
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@ -27,9 +27,33 @@ public static class Chromaprint
{
try
{
var version = Encoding.UTF8.GetString(GetOutput("-version", 2000));
Logger?.LogDebug("ffmpeg version: {Version}", version);
return version.Contains("--enable-chromaprint", StringComparison.OrdinalIgnoreCase);
// First, validate that the installed version of ffmpeg supports chromaprint at all.
var muxers = Encoding.UTF8.GetString(GetOutput("-muxers", 2000));
Logger?.LogTrace("ffmpeg muxers: {Muxers}", muxers);
if (!muxers.Contains("chromaprint", StringComparison.OrdinalIgnoreCase))
{
Logger?.LogError("The installed version of ffmpeg does not support chromaprint");
return false;
}
// Second, validate that ffmpeg understands the "-fp_format raw" option.
var muxerHelp = Encoding.UTF8.GetString(GetOutput("-h muxer=chromaprint", 2000));
Logger?.LogTrace("ffmpeg chromaprint help: {MuxerHelp}", muxerHelp);
if (!muxerHelp.Contains("-fp_format", StringComparison.OrdinalIgnoreCase))
{
Logger?.LogError("The installed version of ffmpeg does not support the -fp_format flag");
return false;
}
else if (!muxerHelp.Contains("binary raw fingerprint", StringComparison.OrdinalIgnoreCase))
{
Logger?.LogError("The installed version of ffmpeg does not support raw binary fingerprints");
return false;
}
Logger?.LogDebug("Installed version of ffmpeg meets fingerprinting requirements");
return true;
}
catch
{