/// <summary>
/// 设置音质
/// </summary>
/// <param name="playUrl"></param>
/// <param name="defaultAudioQuality"></param>
/// <returns></returns>
private static ObservableCollection <string> GetAudioQualityFormatList(PlayUrl playUrl, int defaultAudioQuality)
{
List <string> audioQualityFormatList = new List <string>();
if (playUrl.Dash.Audio == null)
{
return(new ObservableCollection <string>());
}
foreach (PlayUrlDashVideo audio in playUrl.Dash.Audio)
{
// 音质id大于设置画质时，跳过
if (audio.Id > defaultAudioQuality)
{
continue;
}
Quality audioQuality = Constant.GetAudioQualities().FirstOrDefault(t => { return(t.Id == audio.Id); });
if (audioQuality != null)
{
ListHelper.AddUnique(audioQualityFormatList, audioQuality.Name);
}
}
audioQualityFormatList.Sort(new StringLogicalComparer <string>());
audioQualityFormatList.Reverse();
return(new ObservableCollection <string>(audioQualityFormatList));
}
/// <summary>
/// 设置画质 & 视频编码
/// </summary>
/// <param name="playUrl"></param>
/// <param name="defaultQuality"></param>
/// <param name="userInfo"></param>
/// <param name="videoCodecs"></param>
/// <returns></returns>
private static List <VideoQuality> GetVideoQualityList(PlayUrl playUrl, UserInfoSettings userInfo, int defaultQuality, VideoCodecs videoCodecs)
{
List <VideoQuality> videoQualityList = new List <VideoQuality>();
if (playUrl.Dash.Video == null)
{
return(videoQualityList);
}
foreach (PlayUrlDashVideo video in playUrl.Dash.Video)
{
// 画质id大于设置画质时，跳过
if (video.Id > defaultQuality)
{
continue;
}
// 非大会员账户登录时
if (!userInfo.IsVip)
{
// 如果画质为720P60，跳过
if (video.Id == 74)
{
continue;
}
}
string qualityFormat = string.Empty;
PlayUrlSupportFormat selectedQuality = playUrl.SupportFormats.FirstOrDefault(t => t.Quality == video.Id);
if (selectedQuality != null)
{
qualityFormat = selectedQuality.NewDescription;
}
// 寻找是否已存在这个画质
// 不存在则添加，存在则修改
string codecName = GetVideoCodecName(video.Codecs);
VideoQuality videoQualityExist = videoQualityList.FirstOrDefault(t => t.Quality == video.Id);
if (videoQualityExist == null)
{
List <string> videoCodecList = new List <string>();
if (codecName != string.Empty)
{
ListHelper.AddUnique(videoCodecList, codecName);
}
VideoQuality videoQuality = new VideoQuality()
{
Quality = video.Id,
QualityFormat = qualityFormat,
VideoCodecList = videoCodecList
};
videoQualityList.Add(videoQuality);
}
else
{
if (!videoQualityList[videoQualityList.IndexOf(videoQualityExist)].VideoCodecList.Exists(t => t.Equals(codecName)))
{
if (codecName != string.Empty)
{
videoQualityList[videoQualityList.IndexOf(videoQualityExist)].VideoCodecList.Add(codecName);
}
}
}
// 设置选中的视频编码
VideoQuality selectedVideoQuality = videoQualityList.FirstOrDefault(t => t.Quality == video.Id);
if (selectedVideoQuality == null)
{
continue;
}
if (videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].VideoCodecList.Count == 1)
{
// 当获取的视频没有设置的视频编码时，执行
videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].SelectedVideoCodec = videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].VideoCodecList[0];
}
// 设置选中的视频编码
switch (videoCodecs)
{
case VideoCodecs.AVC:
if (videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].VideoCodecList.Contains("H.264/AVC"))
{
videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].SelectedVideoCodec = "H.264/AVC";
}
break;
case VideoCodecs.HEVC:
if (videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].VideoCodecList.Contains("H.265/HEVC"))
{
videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].SelectedVideoCodec = "H.265/HEVC";
}
break;
case VideoCodecs.NONE:
break;
default:
break;
}
}
return(videoQualityList);
}
