switch to audio filter for volume

pull/702/head
Luke Pulverenti 12 years ago
parent 63e16a4d99
commit cb3089791e

@ -72,12 +72,6 @@ namespace MediaBrowser.Api.Playback.Hls
if (channels.HasValue) if (channels.HasValue)
{ {
args += " -ac " + channels.Value; args += " -ac " + channels.Value;
// Boost volume to 200% when downsampling from 6ch to 2ch
if (channels.Value <= 2 && state.AudioStream.Channels.HasValue && state.AudioStream.Channels.Value > 5)
{
args += " -vol 512";
}
} }
if (state.Request.AudioSampleRate.HasValue) if (state.Request.AudioSampleRate.HasValue)
@ -90,7 +84,15 @@ namespace MediaBrowser.Api.Playback.Hls
args += " -ab " + state.Request.AudioBitRate.Value; args += " -ab " + state.Request.AudioBitRate.Value;
} }
args += " -af \"aresample=async=1000\""; var volParam = string.Empty;
// Boost volume to 200% when downsampling from 6ch to 2ch
if (channels.HasValue && channels.Value <= 2 && state.AudioStream.Channels.HasValue && state.AudioStream.Channels.Value > 5)
{
volParam = ",volume=2.000000";
}
args += string.Format(" -af \"aresample=async=1000,{0}\"", volParam);
return args; return args;
} }

@ -184,23 +184,19 @@ namespace MediaBrowser.Api.Playback.Progressive
// Get the output codec name // Get the output codec name
var codec = GetAudioCodec(request); var codec = GetAudioCodec(request);
if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
{
return "-acodec copy";
}
var args = "-acodec " + codec; var args = "-acodec " + codec;
// If we're encoding audio, add additional params
if (!codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
{
// Add the number of audio channels // Add the number of audio channels
var channels = GetNumAudioChannelsParam(request, state.AudioStream); var channels = GetNumAudioChannelsParam(request, state.AudioStream);
if (channels.HasValue) if (channels.HasValue)
{ {
args += " -ac " + channels.Value; args += " -ac " + channels.Value;
// Boost volume to 200% when downsampling from 6ch to 2ch
if (channels.Value <= 2 && state.AudioStream.Channels.HasValue && state.AudioStream.Channels.Value > 5)
{
args += " -vol 512";
}
} }
if (request.AudioSampleRate.HasValue) if (request.AudioSampleRate.HasValue)
@ -212,8 +208,17 @@ namespace MediaBrowser.Api.Playback.Progressive
{ {
args += " -ab " + request.AudioBitRate.Value; args += " -ab " + request.AudioBitRate.Value;
} }
var volParam = string.Empty;
// Boost volume to 200% when downsampling from 6ch to 2ch
if (channels.HasValue && channels.Value <= 2 && state.AudioStream.Channels.HasValue && state.AudioStream.Channels.Value > 5)
{
volParam = ",volume=2.000000";
} }
args += string.Format(" -af \"aresample=async=1000,{0}\"", volParam);
return args; return args;
} }

Loading…
Cancel
Save