public void SwitchVideoFormat(int index)
{
if (index >= supportedVideoFormats.Count || index < 0)
{
return;
}
Stop();
formatIndex = index;
MediaFormat format = supportedVideoFormats[formatIndex];
// use audio player if no audio stream found
if (format.acodec == "none")
{
useAudioPlayer = true;
MediaFormat audioFormat = TryGetAudioStream();
InitAudioPlayer(audioFormat.url);
}
else
{
if (audioPlayer != null)
{
audioPlayer.Stop();
}
useAudioPlayer = false;
}
SetVideoParsedUrl(format.url);
Prepare();
}
private void UpdateQualityButton()
{
int index = ytdlVideoPlayer.formatIndex;
MediaFormat format = ytdlVideoPlayer.SupportedVideoFormats[index];
string formatText = format.format_note;
if (string.IsNullOrEmpty(formatText))
{
formatText = string.Format("{0}p", format.height);
}
qualityButton.SetText(formatText);
}
private MediaFormat TryGetAudioStream()
{
// get first available audio stream
for (int i = 0; i < supportedVideoFormats.Count; i++)
{
MediaFormat format = supportedVideoFormats[i];
if (format.acodec != "none" && format.acodec != null)
{
return(format);
}
}
return(null);
}
private void OnParseCompleted(MediaInfo info)
{
// parse completed
isParsed = true;
mediaInfo = info;
// extract supported video format
ExtractSupportedMediaFormats(mediaInfo);
if (supportedVideoFormats.Count > 0)
{
// set initial quality format
formatIndex = TryGetInitialFormatIndex();
MediaFormat format = supportedVideoFormats[formatIndex];
// use audio player if no audio stream found
if (format.acodec == "none")
{
useAudioPlayer = true;
MediaFormat audioFormat = TryGetAudioStream();
InitAudioPlayer(audioFormat.url);
}
else
{
if (audioPlayer != null)
{
audioPlayer.Stop();
}
useAudioPlayer = false;
}
// set video player url
videoPlayer.url = ValidParsedVideoUrl(mediaInfo, format.url);
// prepare video for play
Prepare();
}
else
{
Debug.LogWarningFormat(LOG_FORMAT, "No supported video stream format found!");
}
parseCompleted(this, mediaInfo);
}
private int TryGetInitialFormatIndex()
{
// get target height
int targetHeight = 360;
switch (initialQuality)
{
case QualityType._360p:
targetHeight = 360;
break;
case QualityType._720p:
targetHeight = 720;
break;
case QualityType._1080p:
targetHeight = 1080;
break;
case QualityType._1440p:
targetHeight = 1440;
break;
case QualityType._2160p:
targetHeight = 2160;
break;
}
// search best fit video stream index
int index = 0, minDiff = int.MaxValue;
for (int i = 0; i < supportedVideoFormats.Count; i++)
{
MediaFormat format = supportedVideoFormats[i];
int diff = Math.Abs(format.height - targetHeight);
if (diff < minDiff)
{
index = i;
minDiff = diff;
}
}
return(index);
}
