public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod)
{
if (playMethod != PlayMethod.Transcode && !subtitleStream.IsExternal)
{
// Look for supported embedded subs
foreach (SubtitleProfile profile in subtitleProfiles)
{
if (!profile.SupportsLanguage(subtitleStream.Language))
{
continue;
}
if (profile.Method != SubtitleDeliveryMethod.Embed)
{
continue;
}
if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
{
return(profile);
}
}
}
// Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
return(GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, true) ?? new SubtitleProfile
{
Method = SubtitleDeliveryMethod.Encode,
Format = subtitleStream.Codec
});
}
public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, EncodingContext context, PlayMethod playMethod)
{
if (playMethod != PlayMethod.Transcode)
{
// Look for supported embedded subs
foreach (SubtitleProfile profile in subtitleProfiles)
{
if (!profile.SupportsLanguage(subtitleStream.Language))
{
continue;
}
if (profile.Method != SubtitleDeliveryMethod.Embed)
{
continue;
}
if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
{
return(profile);
}
}
}
// Look for an external profile that matches the stream type (text/graphical)
foreach (SubtitleProfile profile in subtitleProfiles)
{
bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);
if (!profile.SupportsLanguage(subtitleStream.Language))
{
continue;
}
if (profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
{
if (!requiresConversion)
{
return(profile);
}
if (subtitleStream.SupportsExternalStream)
{
return(profile);
}
// For sync we can handle the longer extraction times
if (context == EncodingContext.Static && subtitleStream.IsTextSubtitleStream)
{
return(profile);
}
}
}
return(new SubtitleProfile
{
Method = SubtitleDeliveryMethod.Encode,
Format = subtitleStream.Codec
});
}
private static SubtitleProfile GetExternalSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, bool allowConversion)
{
foreach (SubtitleProfile profile in subtitleProfiles)
{
if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
{
continue;
}
if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
{
continue;
}
if (!profile.SupportsLanguage(subtitleStream.Language))
{
continue;
}
if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
(profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
{
bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);
if (!requiresConversion)
{
return(profile);
}
if (!allowConversion)
{
continue;
}
if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
{
return(profile);
}
}
}
return(null);
}
public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, DeviceProfile deviceProfile, EncodingContext context)
{
// Look for an external profile that matches the stream type (text/graphical)
foreach (SubtitleProfile profile in deviceProfile.SubtitleProfiles)
{
if (profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
{
if (subtitleStream.SupportsExternalStream)
{
return(profile);
}
// For sync we can handle the longer extraction times
if (context == EncodingContext.Static && subtitleStream.IsTextSubtitleStream)
{
return(profile);
}
}
}
foreach (SubtitleProfile profile in deviceProfile.SubtitleProfiles)
{
if (profile.Method == SubtitleDeliveryMethod.Embed && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
{
return(profile);
}
}
return(new SubtitleProfile
{
Method = SubtitleDeliveryMethod.Encode,
Format = subtitleStream.Codec
});
}
public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, DeviceProfile deviceProfile)
{
// Look for an external profile that matches the stream type (text/graphical)
foreach (SubtitleProfile profile in deviceProfile.SubtitleProfiles)
{
if (subtitleStream.SupportsExternalStream)
{
if (profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
{
return(profile);
}
}
}
foreach (SubtitleProfile profile in deviceProfile.SubtitleProfiles)
{
if (profile.Method == SubtitleDeliveryMethod.Embed && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
{
return(profile);
}
}
return(new SubtitleProfile
{
Method = SubtitleDeliveryMethod.Encode,
Format = subtitleStream.Codec
});
}
