private StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
{
StreamInfo playlistItem = new StreamInfo
{
ItemId = options.ItemId,
MediaType = DlnaProfileType.Audio,
MediaSource = item,
RunTimeTicks = item.RunTimeTicks,
Context = options.Context,
DeviceProfile = options.Profile
};
MediaStream audioStream = item.GetDefaultAudioStream(null);
List <PlayMethod> directPlayMethods = GetAudioDirectPlayMethods(item, audioStream, options);
if (directPlayMethods.Count > 0)
{
string audioCodec = audioStream == null ? null : audioStream.Codec;
// Make sure audio codec profiles are satisfied
if (!string.IsNullOrEmpty(audioCodec))
{
ConditionProcessor conditionProcessor = new ConditionProcessor();
List <ProfileCondition> conditions = new List <ProfileCondition>();
foreach (CodecProfile i in options.Profile.CodecProfiles)
{
if (i.Type == CodecType.Audio && i.ContainsCodec(audioCodec, item.Container))
{
foreach (ProfileCondition c in i.Conditions)
{
conditions.Add(c);
}
}
}
int?audioChannels = audioStream.Channels;
int?audioBitrate = audioStream.BitRate;
bool all = true;
foreach (ProfileCondition c in conditions)
{
if (!conditionProcessor.IsAudioConditionSatisfied(c, audioChannels, audioBitrate))
{
LogConditionFailure(options.Profile, "AudioCodecProfile", c, item);
all = false;
break;
}
}
if (all)
{
if (item.Protocol == MediaProtocol.File &&
directPlayMethods.Contains(PlayMethod.DirectPlay) &&
_localPlayer.CanAccessFile(item.Path))
{
playlistItem.PlayMethod = PlayMethod.DirectPlay;
}
else if (item.Protocol == MediaProtocol.Http &&
directPlayMethods.Contains(PlayMethod.DirectPlay) &&
_localPlayer.CanAccessUrl(item.Path, item.RequiredHttpHeaders.Count > 0))
{
playlistItem.PlayMethod = PlayMethod.DirectPlay;
}
else if (directPlayMethods.Contains(PlayMethod.DirectStream))
{
playlistItem.PlayMethod = PlayMethod.DirectStream;
}
playlistItem.Container = item.Container;
return(playlistItem);
}
}
}
TranscodingProfile transcodingProfile = null;
foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
{
if (i.Type == playlistItem.MediaType && i.Context == options.Context)
{
if (_transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
{
transcodingProfile = i;
break;
}
}
}
if (transcodingProfile != null)
{
if (!item.SupportsTranscoding)
{
return(null);
}
playlistItem.PlayMethod = PlayMethod.Transcode;
playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
playlistItem.Container = transcodingProfile.Container;
if (string.IsNullOrEmpty(transcodingProfile.AudioCodec))
{
playlistItem.AudioCodecs = new string[] { };
}
else
{
playlistItem.AudioCodecs = transcodingProfile.AudioCodec.Split(',');
}
playlistItem.SubProtocol = transcodingProfile.Protocol;
List <CodecProfile> audioCodecProfiles = new List <CodecProfile>();
foreach (CodecProfile i in options.Profile.CodecProfiles)
{
if (i.Type == CodecType.Audio && i.ContainsCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
{
audioCodecProfiles.Add(i);
}
if (audioCodecProfiles.Count >= 1)
{
break;
}
}
List <ProfileCondition> audioTranscodingConditions = new List <ProfileCondition>();
foreach (CodecProfile i in audioCodecProfiles)
{
foreach (ProfileCondition c in i.Conditions)
{
audioTranscodingConditions.Add(c);
}
}
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
// Honor requested max channels
if (options.MaxAudioChannels.HasValue)
{
int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;
playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
}
int configuredBitrate = options.AudioTranscodingBitrate ??
(options.Context == EncodingContext.Static ? options.Profile.MusicSyncBitrate : options.Profile.MusicStreamingTranscodingBitrate) ??
128000;
playlistItem.AudioBitrate = Math.Min(configuredBitrate, playlistItem.AudioBitrate ?? configuredBitrate);
}
return(playlistItem);
}
