You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
612 lines
25 KiB
612 lines
25 KiB
using MediaBrowser.Model.Dto;
|
|
using MediaBrowser.Model.Entities;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Linq;
|
|
|
|
namespace MediaBrowser.Model.Dlna
|
|
{
|
|
public class StreamBuilder
|
|
{
|
|
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
|
|
|
|
public StreamInfo BuildAudioItem(AudioOptions options)
|
|
{
|
|
ValidateAudioInput(options);
|
|
|
|
var mediaSources = options.MediaSources;
|
|
|
|
// If the client wants a specific media soure, filter now
|
|
if (!string.IsNullOrEmpty(options.MediaSourceId))
|
|
{
|
|
// Avoid implicitly captured closure
|
|
var mediaSourceId = options.MediaSourceId;
|
|
|
|
mediaSources = mediaSources
|
|
.Where(i => string.Equals(i.Id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
|
|
.ToList();
|
|
}
|
|
|
|
var streams = mediaSources.Select(i => BuildAudioItem(i, options)).ToList();
|
|
|
|
foreach (var stream in streams)
|
|
{
|
|
stream.DeviceId = options.DeviceId;
|
|
stream.DeviceProfileId = options.Profile.Id;
|
|
}
|
|
|
|
return GetOptimalStream(streams);
|
|
}
|
|
|
|
public StreamInfo BuildVideoItem(VideoOptions options)
|
|
{
|
|
ValidateInput(options);
|
|
|
|
var mediaSources = options.MediaSources;
|
|
|
|
// If the client wants a specific media soure, filter now
|
|
if (!string.IsNullOrEmpty(options.MediaSourceId))
|
|
{
|
|
// Avoid implicitly captured closure
|
|
var mediaSourceId = options.MediaSourceId;
|
|
|
|
mediaSources = mediaSources
|
|
.Where(i => string.Equals(i.Id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
|
|
.ToList();
|
|
}
|
|
|
|
var streams = mediaSources.Select(i => BuildVideoItem(i, options)).ToList();
|
|
|
|
foreach (var stream in streams)
|
|
{
|
|
stream.DeviceId = options.DeviceId;
|
|
stream.DeviceProfileId = options.Profile.Id;
|
|
}
|
|
|
|
return GetOptimalStream(streams);
|
|
}
|
|
|
|
private StreamInfo GetOptimalStream(List<StreamInfo> streams)
|
|
{
|
|
// Grab the first one that can be direct streamed
|
|
// If that doesn't produce anything, just take the first
|
|
return streams.FirstOrDefault(i => i.IsDirectStream) ??
|
|
streams.FirstOrDefault();
|
|
}
|
|
|
|
private StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
|
|
{
|
|
var playlistItem = new StreamInfo
|
|
{
|
|
ItemId = options.ItemId,
|
|
MediaType = DlnaProfileType.Audio,
|
|
MediaSource = item,
|
|
RunTimeTicks = item.RunTimeTicks
|
|
};
|
|
|
|
var maxBitrateSetting = options.MaxBitrate ?? options.Profile.MaxBitrate;
|
|
|
|
var audioStream = item.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
|
|
|
|
// Honor the max bitrate setting
|
|
if (IsAudioEligibleForDirectPlay(item, maxBitrateSetting))
|
|
{
|
|
var directPlay = options.Profile.DirectPlayProfiles
|
|
.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsAudioDirectPlaySupported(i, item, audioStream));
|
|
|
|
if (directPlay != null)
|
|
{
|
|
var audioCodec = audioStream == null ? null : audioStream.Codec;
|
|
|
|
// Make sure audio codec profiles are satisfied
|
|
if (!string.IsNullOrEmpty(audioCodec) && options.Profile.CodecProfiles.Where(i => i.Type == CodecType.Audio && i.ContainsCodec(audioCodec))
|
|
.All(i => AreConditionsSatisfied(i.Conditions, item.Path, null, audioStream)))
|
|
{
|
|
playlistItem.IsDirectStream = true;
|
|
playlistItem.Container = item.Container;
|
|
|
|
return playlistItem;
|
|
}
|
|
}
|
|
}
|
|
|
|
var transcodingProfile = options.Profile.TranscodingProfiles
|
|
.FirstOrDefault(i => i.Type == playlistItem.MediaType);
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
playlistItem.IsDirectStream = false;
|
|
playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
|
|
playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
|
|
playlistItem.Container = transcodingProfile.Container;
|
|
playlistItem.AudioCodec = transcodingProfile.AudioCodec;
|
|
playlistItem.Protocol = transcodingProfile.Protocol;
|
|
|
|
var audioTranscodingConditions = options.Profile.CodecProfiles
|
|
.Where(i => i.Type == CodecType.Audio && i.ContainsCodec(transcodingProfile.AudioCodec))
|
|
.Take(1)
|
|
.SelectMany(i => i.Conditions);
|
|
|
|
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
|
|
|
|
// Honor requested max channels
|
|
if (options.MaxAudioChannels.HasValue)
|
|
{
|
|
var currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;
|
|
|
|
playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
|
|
}
|
|
|
|
// Honor requested max bitrate
|
|
if (maxBitrateSetting.HasValue)
|
|
{
|
|
var currentValue = playlistItem.AudioBitrate ?? maxBitrateSetting.Value;
|
|
|
|
playlistItem.AudioBitrate = Math.Min(maxBitrateSetting.Value, currentValue);
|
|
}
|
|
}
|
|
|
|
return playlistItem;
|
|
}
|
|
|
|
private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
|
|
{
|
|
var playlistItem = new StreamInfo
|
|
{
|
|
ItemId = options.ItemId,
|
|
MediaType = DlnaProfileType.Video,
|
|
MediaSource = item,
|
|
RunTimeTicks = item.RunTimeTicks
|
|
};
|
|
|
|
var audioStream = item.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
|
|
var videoStream = item.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video);
|
|
|
|
var maxBitrateSetting = options.MaxBitrate ?? options.Profile.MaxBitrate;
|
|
|
|
if (IsEligibleForDirectPlay(item, options, maxBitrateSetting))
|
|
{
|
|
// See if it can be direct played
|
|
var directPlay = options.Profile.DirectPlayProfiles
|
|
.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsVideoDirectPlaySupported(i, item, videoStream, audioStream));
|
|
|
|
if (directPlay != null)
|
|
{
|
|
var videoCodec = videoStream == null ? null : videoStream.Codec;
|
|
|
|
// Make sure video codec profiles are satisfied
|
|
if (!string.IsNullOrEmpty(videoCodec) && options.Profile.CodecProfiles.Where(i => i.Type == CodecType.Video && i.ContainsCodec(videoCodec))
|
|
.All(i => AreConditionsSatisfied(i.Conditions, item.Path, videoStream, audioStream)))
|
|
{
|
|
var audioCodec = audioStream == null ? null : audioStream.Codec;
|
|
|
|
// Make sure audio codec profiles are satisfied
|
|
if (string.IsNullOrEmpty(audioCodec) || options.Profile.CodecProfiles.Where(i => i.Type == CodecType.VideoAudio && i.ContainsCodec(audioCodec))
|
|
.All(i => AreConditionsSatisfied(i.Conditions, item.Path, videoStream, audioStream)))
|
|
{
|
|
playlistItem.IsDirectStream = true;
|
|
playlistItem.Container = item.Container;
|
|
|
|
return playlistItem;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Can't direct play, find the transcoding profile
|
|
var transcodingProfile = options.Profile.TranscodingProfiles
|
|
.FirstOrDefault(i => i.Type == playlistItem.MediaType);
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
playlistItem.IsDirectStream = false;
|
|
playlistItem.Container = transcodingProfile.Container;
|
|
playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
|
|
playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
|
|
playlistItem.AudioCodec = transcodingProfile.AudioCodec.Split(',').FirstOrDefault();
|
|
playlistItem.VideoCodec = transcodingProfile.VideoCodec;
|
|
playlistItem.Protocol = transcodingProfile.Protocol;
|
|
|
|
var videoTranscodingConditions = options.Profile.CodecProfiles
|
|
.Where(i => i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec))
|
|
.Take(1)
|
|
.SelectMany(i => i.Conditions);
|
|
|
|
ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);
|
|
|
|
var audioTranscodingConditions = options.Profile.CodecProfiles
|
|
.Where(i => i.Type == CodecType.VideoAudio && i.ContainsCodec(transcodingProfile.AudioCodec))
|
|
.Take(1)
|
|
.SelectMany(i => i.Conditions);
|
|
|
|
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
|
|
|
|
// Honor requested max channels
|
|
if (options.MaxAudioChannels.HasValue)
|
|
{
|
|
var currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;
|
|
|
|
playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
|
|
}
|
|
|
|
// Honor requested max bitrate
|
|
if (options.MaxAudioTranscodingBitrate.HasValue)
|
|
{
|
|
var currentValue = playlistItem.AudioBitrate ?? options.MaxAudioTranscodingBitrate.Value;
|
|
|
|
playlistItem.AudioBitrate = Math.Min(options.MaxAudioTranscodingBitrate.Value, currentValue);
|
|
}
|
|
|
|
// Honor max rate
|
|
if (maxBitrateSetting.HasValue)
|
|
{
|
|
var videoBitrate = maxBitrateSetting.Value;
|
|
|
|
if (playlistItem.AudioBitrate.HasValue)
|
|
{
|
|
videoBitrate -= playlistItem.AudioBitrate.Value;
|
|
}
|
|
|
|
var currentValue = playlistItem.VideoBitrate ?? videoBitrate;
|
|
|
|
playlistItem.VideoBitrate = Math.Min(videoBitrate, currentValue);
|
|
}
|
|
}
|
|
|
|
return playlistItem;
|
|
}
|
|
|
|
private bool IsEligibleForDirectPlay(MediaSourceInfo item, VideoOptions options, int? maxBitrate)
|
|
{
|
|
if (options.SubtitleStreamIndex.HasValue)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (options.AudioStreamIndex.HasValue &&
|
|
item.MediaStreams.Count(i => i.Type == MediaStreamType.Audio) > 1)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return IsAudioEligibleForDirectPlay(item, maxBitrate);
|
|
}
|
|
|
|
private bool IsAudioEligibleForDirectPlay(MediaSourceInfo item, int? maxBitrate)
|
|
{
|
|
// Honor the max bitrate setting
|
|
return !maxBitrate.HasValue || (item.Bitrate.HasValue && item.Bitrate.Value <= maxBitrate.Value);
|
|
}
|
|
|
|
private void ValidateInput(VideoOptions options)
|
|
{
|
|
ValidateAudioInput(options);
|
|
|
|
if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
|
|
{
|
|
throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");
|
|
}
|
|
|
|
if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
|
|
{
|
|
throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested");
|
|
}
|
|
}
|
|
|
|
private void ValidateAudioInput(AudioOptions options)
|
|
{
|
|
if (string.IsNullOrEmpty(options.ItemId))
|
|
{
|
|
throw new ArgumentException("ItemId is required");
|
|
}
|
|
if (string.IsNullOrEmpty(options.DeviceId))
|
|
{
|
|
throw new ArgumentException("DeviceId is required");
|
|
}
|
|
if (options.Profile == null)
|
|
{
|
|
throw new ArgumentException("Profile is required");
|
|
}
|
|
if (options.MediaSources == null)
|
|
{
|
|
throw new ArgumentException("MediaSources is required");
|
|
}
|
|
}
|
|
|
|
private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions)
|
|
{
|
|
foreach (var condition in conditions
|
|
.Where(i => !string.IsNullOrEmpty(i.Value)))
|
|
{
|
|
var value = condition.Value;
|
|
|
|
switch (condition.Property)
|
|
{
|
|
case ProfileConditionValue.AudioBitrate:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.AudioBitrate = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.AudioChannels:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.MaxAudioChannels = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.AudioProfile:
|
|
case ProfileConditionValue.Has64BitOffsets:
|
|
case ProfileConditionValue.VideoBitDepth:
|
|
case ProfileConditionValue.VideoProfile:
|
|
{
|
|
// Not supported yet
|
|
break;
|
|
}
|
|
case ProfileConditionValue.Height:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.MaxHeight = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.VideoBitrate:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.VideoBitrate = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.VideoFramerate:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.MaxFramerate = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.VideoLevel:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.VideoLevel = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.Width:
|
|
{
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
|
|
{
|
|
item.MaxWidth = num;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
throw new ArgumentException("Unrecognized ProfileConditionValue");
|
|
}
|
|
}
|
|
}
|
|
|
|
private bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
|
|
{
|
|
if (profile.Container.Length > 0)
|
|
{
|
|
// Check container type
|
|
var mediaContainer = item.Container ?? string.Empty;
|
|
if (!profile.GetContainers().Any(i => string.Equals(i, mediaContainer, StringComparison.OrdinalIgnoreCase)))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private bool IsVideoDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
// Only plain video files can be direct played
|
|
if (item.VideoType != VideoType.VideoFile)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (profile.Container.Length > 0)
|
|
{
|
|
// Check container type
|
|
var mediaContainer = item.Container ?? string.Empty;
|
|
if (!profile.GetContainers().Any(i => string.Equals(i, mediaContainer, StringComparison.OrdinalIgnoreCase)))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Check video codec
|
|
var videoCodecs = profile.GetVideoCodecs();
|
|
if (videoCodecs.Count > 0)
|
|
{
|
|
var videoCodec = videoStream == null ? null : videoStream.Codec;
|
|
if (string.IsNullOrEmpty(videoCodec) || !videoCodecs.Contains(videoCodec, StringComparer.OrdinalIgnoreCase))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
var audioCodecs = profile.GetAudioCodecs();
|
|
if (audioCodecs.Count > 0)
|
|
{
|
|
// Check audio codecs
|
|
var audioCodec = audioStream == null ? null : audioStream.Codec;
|
|
if (string.IsNullOrEmpty(audioCodec) || !audioCodecs.Contains(audioCodec, StringComparer.OrdinalIgnoreCase))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private bool AreConditionsSatisfied(IEnumerable<ProfileCondition> conditions, string mediaPath, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
return conditions.All(i => IsConditionSatisfied(i, mediaPath, videoStream, audioStream));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether [is condition satisfied] [the specified condition].
|
|
/// </summary>
|
|
/// <param name="condition">The condition.</param>
|
|
/// <param name="mediaPath">The media path.</param>
|
|
/// <param name="videoStream">The video stream.</param>
|
|
/// <param name="audioStream">The audio stream.</param>
|
|
/// <returns><c>true</c> if [is condition satisfied] [the specified condition]; otherwise, <c>false</c>.</returns>
|
|
/// <exception cref="System.InvalidOperationException">Unexpected ProfileConditionType</exception>
|
|
private bool IsConditionSatisfied(ProfileCondition condition, string mediaPath, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
if (condition.Property == ProfileConditionValue.Has64BitOffsets)
|
|
{
|
|
// TODO: Determine how to evaluate this
|
|
}
|
|
|
|
if (condition.Property == ProfileConditionValue.VideoProfile)
|
|
{
|
|
var profile = videoStream == null ? null : videoStream.Profile;
|
|
|
|
if (!string.IsNullOrEmpty(profile))
|
|
{
|
|
switch (condition.Condition)
|
|
{
|
|
case ProfileConditionType.Equals:
|
|
return string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
|
|
case ProfileConditionType.NotEquals:
|
|
return !string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
|
|
default:
|
|
throw new InvalidOperationException("Unexpected ProfileConditionType");
|
|
}
|
|
}
|
|
}
|
|
|
|
else if (condition.Property == ProfileConditionValue.AudioProfile)
|
|
{
|
|
var profile = audioStream == null ? null : audioStream.Profile;
|
|
|
|
if (!string.IsNullOrEmpty(profile))
|
|
{
|
|
switch (condition.Condition)
|
|
{
|
|
case ProfileConditionType.Equals:
|
|
return string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
|
|
case ProfileConditionType.NotEquals:
|
|
return !string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
|
|
default:
|
|
throw new InvalidOperationException("Unexpected ProfileConditionType");
|
|
}
|
|
}
|
|
}
|
|
|
|
else
|
|
{
|
|
var actualValue = GetConditionValue(condition, mediaPath, videoStream, audioStream);
|
|
|
|
if (actualValue.HasValue)
|
|
{
|
|
double expected;
|
|
if (double.TryParse(condition.Value, NumberStyles.Any, _usCulture, out expected))
|
|
{
|
|
switch (condition.Condition)
|
|
{
|
|
case ProfileConditionType.Equals:
|
|
return actualValue.Value.Equals(expected);
|
|
case ProfileConditionType.GreaterThanEqual:
|
|
return actualValue.Value >= expected;
|
|
case ProfileConditionType.LessThanEqual:
|
|
return actualValue.Value <= expected;
|
|
case ProfileConditionType.NotEquals:
|
|
return !actualValue.Value.Equals(expected);
|
|
default:
|
|
throw new InvalidOperationException("Unexpected ProfileConditionType");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Value doesn't exist in metadata. Fail it if required.
|
|
return !condition.IsRequired;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the condition value.
|
|
/// </summary>
|
|
/// <param name="condition">The condition.</param>
|
|
/// <param name="mediaPath">The media path.</param>
|
|
/// <param name="videoStream">The video stream.</param>
|
|
/// <param name="audioStream">The audio stream.</param>
|
|
/// <returns>System.Nullable{System.Int64}.</returns>
|
|
/// <exception cref="System.InvalidOperationException">Unexpected Property</exception>
|
|
private double? GetConditionValue(ProfileCondition condition, string mediaPath, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
switch (condition.Property)
|
|
{
|
|
case ProfileConditionValue.AudioBitrate:
|
|
return audioStream == null ? null : audioStream.BitRate;
|
|
case ProfileConditionValue.AudioChannels:
|
|
return audioStream == null ? null : audioStream.Channels;
|
|
case ProfileConditionValue.VideoBitrate:
|
|
return videoStream == null ? null : videoStream.BitRate;
|
|
case ProfileConditionValue.VideoFramerate:
|
|
return videoStream == null ? null : (videoStream.AverageFrameRate ?? videoStream.RealFrameRate);
|
|
case ProfileConditionValue.Height:
|
|
return videoStream == null ? null : videoStream.Height;
|
|
case ProfileConditionValue.Width:
|
|
return videoStream == null ? null : videoStream.Width;
|
|
case ProfileConditionValue.VideoLevel:
|
|
return videoStream == null ? null : videoStream.Level;
|
|
case ProfileConditionValue.VideoBitDepth:
|
|
return videoStream == null ? null : GetBitDepth(videoStream);
|
|
default:
|
|
throw new InvalidOperationException("Unexpected Property");
|
|
}
|
|
}
|
|
|
|
private int? GetBitDepth(MediaStream videoStream)
|
|
{
|
|
var eightBit = new List<string>
|
|
{
|
|
"yuv420p",
|
|
"yuv411p",
|
|
"yuvj420p",
|
|
"uyyvyy411",
|
|
"nv12",
|
|
"nv21",
|
|
"rgb444le",
|
|
"rgb444be",
|
|
"bgr444le",
|
|
"bgr444be",
|
|
"yuvj411p"
|
|
};
|
|
|
|
if (!string.IsNullOrEmpty(videoStream.PixelFormat))
|
|
{
|
|
if (eightBit.Contains(videoStream.PixelFormat, StringComparer.OrdinalIgnoreCase))
|
|
{
|
|
return 8;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
}
|