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Merge pull request #244 from neilsb/dynamic-device-capability

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Build Device Capability Dynamically
This commit is contained in:
Anthony Lavado 2020-07-12 11:27:53 -04:00 committed by GitHub
commit e1d42ca1b4
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2 changed files with 121 additions and 60 deletions
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29
source/VideoPlayer.brs
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@ -212,7 +212,7 @@ function directPlaySupported(meta as object) as boolean
end if
streamInfo = { Codec: meta.json.MediaStreams[0].codec }
if meta.json.MediaStreams[0].Profile <> invalid and meta.json.MediaStreams[0].Profile.len() > 0 then
streamInfo.Profile = meta.json.MediaStreams[0].Profile
streamInfo.Profile = LCase(meta.json.MediaStreams[0].Profile)
end if
if meta.json.MediaSources[0].container <> invalid and meta.json.MediaSources[0].container.len() > 0 then
streamInfo.Container = meta.json.MediaSources[0].container
@ -222,11 +222,30 @@ end function
function decodeAudioSupported(meta as object) as boolean
devinfo = CreateObject("roDeviceInfo")
streamInfo = { Codec: meta.json.MediaStreams[1].codec, ChCnt: meta.json.MediaStreams[1].channels }
if meta.json.MediaStreams[1].Bitrate <> invalid then
streamInfo.BitRate = meta.json.MediaStreams[1].Bitrate
codec = meta.json.MediaStreams[1].codec
streamInfo = { Codec: codec, ChCnt: meta.json.MediaStreams[1].channels }
'Check for Passthrough
audioDecoders = devinfo.GetAudioDecodeInfo()
'DTS
if (codec = "dts" or codec = "dca") and audioDecoders.doesexist("dts") then
return true
end if
return devinfo.CanDecodeAudio(streamInfo).result
'DD
if codec = "ac3" and audioDecoders.doesexist("ac3") then
return true
end if
'DD+
if codec = "eac3" and audioDecoders.doesexist("DD+") then
return true
end if
'Otherwise check Roku can decode stream and channels
canDecode = devinfo.CanDecodeVideo(streamInfo)
return canDecode.result
end function
function getContainerType(meta as object) as string

152
source/utils/deviceCapabilities.brs
View File

@ -1,6 +1,5 @@
'Device Capabilities for Roku.
'This may need tweaking or be dynamically created if devices vary
'significantly
'This will likely need further tweaking
function getDeviceCapabilities() as object
@ -26,54 +25,11 @@ function getDeviceProfile() as object
maxAudioChannels = 6
end if
'Check for Supported Codecs
deviceSpecificCodecs = ""
if di.CanDecodeVideo({Codec: "hevc"}).Result = true
deviceSpecificCodecs = ",h265"
end if
if di.CanDecodeVideo({Codec: "vp9"}).Result = true
deviceSpecificCodecs = deviceSpecificCodecs + ",vp9"
end if
return {
"MaxStreamingBitrate": 120000000,
"MaxStaticBitrate": 100000000,
"MusicStreamingTranscodingBitrate": 192000,
"DirectPlayProfiles": [
{
"Container": "mp4,m4v,mov",
"Type": "Video",
"VideoCodec": "h264" + deviceSpecificCodecs,
"AudioCodec": "aac,opus,flac,vorbis"
},
{
"Container": "mkv,webm",
"Type": "Video",
"VideoCodec": "h264,vp8" + deviceSpecificCodecs,
"AudioCodec": "aac,opus,flac,vorbis"
},
{
"Container": "mp3",
"Type": "Audio",
"AudioCodec": "mp3"
},
{
"Container": "aac",
"Type": "Audio"
},
{
"Container": "m4a",
"AudioCodec": "aac",
"Type": "Audio"
},
{
"Container": "flac",
"Type": "Audio"
}
],
"DirectPlayProfiles": GetDirectPlayProfiles(),
"TranscodingProfiles": [
{
"Container": "aac",
@ -166,20 +122,106 @@ function getDeviceProfile() as object
"Method": "External"
},
{
"Format": "ass",
"Format": "srt",
"Method": "External"
},
{
"Format": "ssa",
"Format": "ttml",
"Method": "External"
}
],
"ResponseProfiles": [
{
"Type": "Video",
"Container": "m4v",
"MimeType": "video/mp4"
}
]
}
end function
function GetDirectPlayProfiles() as object
mp4Video = "h264"
mp4Audio = "mp3,pcm,lpcm,wav"
mkvVideo = "h264,vp8"
mkvAudio = "mp3,pcm,lpcm,wav"
audio = "mp3,pcm,lpcm,wav"
di = CreateObject("roDeviceInfo")
'Check for Supported Video Codecs
if di.CanDecodeVideo({Codec: "hevc"}).Result = true
mp4Video = mp4Video + ",h265"
mkvVideo =mkvVideo + ",h265"
end if
if di.CanDecodeVideo({Codec: "vp9"}).Result = true
mkvVideo =mkvVideo + ",vp9"
end if
' Check for supported Audio
audioDecoders = di.GetAudioDecodeInfo()
if audioDecoders.doesexist("AC3") then
mkvAudio = mkvAudio + ",ac3"
mp4Audio = mp4Audio + ",ac3"
audio = audio + ",ac3"
end if
if audioDecoders.doesexist("WMA") then
audio = audio + ",wma"
end if
if audioDecoders.doesexist("FLAC") then
mkvAudio = mkvAudio + ",flac"
audio = audio + ",flac"
end if
if audioDecoders.doesexist("ALAC") then
mkvAudio = mkvAudio + ",alac"
mp4Audio = mp4Audio + ",alac"
audio = audio + ",alac"
end if
if audioDecoders.doesexist("AAC") then
mkvAudio = mkvAudio + ",aac"
mp4Audio = mp4Audio + ",aac"
audio = audio + ",aac"
end if
if audioDecoders.doesexist("OPUS") then
mkvAudio = mkvAudio + ",opus"
end if
if audioDecoders.doesexist("DTS") then
mkvAudio = mkvAudio + ",dts,dca"
audio = audio + ",dts,dca"
end if
if audioDecoders.doesexist("WMAPRO") then
audio = audio + ",wmapro"
end if
if audioDecoders.doesexist("VORBIS") then
mkvAudio = mkvAudio + ",vorbis"
end if
if audioDecoders.doesexist("DD+") then
mkvAudio = mkvAudio + ",eac3"
end if
return [
{
"Container": "mp4,m4v,mov",
"Type": "Video",
"VideoCodec": mp4Video,
"AudioCodec": mp4Audio
},
{
"Container": "mkv,webm",
"Type": "Video",
"VideoCodec": mkvVideo,
"AudioCodec": mkvAudio
},
{
"Container": audio,
"Type": "Audio",
}
]
end function