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Fix error in HLS codecs field when level is null

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This commit is contained in:
Andreas B 2020-04-25 15:22:09 +02:00
parent 0a2d24aff3
commit 153ea9f027
1 changed files with 52 additions and 28 deletions
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80
MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
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@ -722,11 +722,37 @@ namespace MediaBrowser.Api.Playback.Hls
//return state.VideoRequest.VideoBitRate.HasValue;
}
/// <summary>
/// Get the H.26X level of the output video stream.
/// </summary>
/// <param name="state">StreamState of the current stream.</param>
/// <returns>H.26X level of the output video stream.</returns>
private int? GetOutputVideoCodecLevel(StreamState state)
{
string levelString;
if (string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)
&& state.VideoStream.Level.HasValue)
{
levelString = state.VideoStream?.Level.ToString();
}
else
{
levelString = state.GetRequestedLevel(state.ActualOutputVideoCodec);
}
if (int.TryParse(levelString, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedLevel))
{
return parsedLevel;
}
return null;
}
/// <summary>
/// Gets a formatted string of the output audio codec, for use in the CODECS field.
/// </summary>
/// <seealso cref="AppendPlaylistCodecsField(StringBuilder, StreamState)"/>
/// <seealso cref="GetPlaylistVideoCodecs(StreamState)"/>
/// <seealso cref="GetPlaylistVideoCodecs(StreamState, string, int)"/>
/// <param name="state">StreamState of the current stream.</param>
/// <returns>Formatted audio codec string.</returns>
private string GetPlaylistAudioCodecs(StreamState state)
@ -761,18 +787,24 @@ namespace MediaBrowser.Api.Playback.Hls
/// <seealso cref="GetPlaylistAudioCodecs(StreamState)"/>
/// <param name="state">StreamState of the current stream.</param>
/// <returns>Formatted video codec string.</returns>
private string GetPlaylistVideoCodecs(StreamState state)
private string GetPlaylistVideoCodecs(StreamState state, string codec, int level)
{
int level = Convert.ToInt32(state.GetRequestedLevel(state.ActualOutputVideoCodec));
if (level == 0)
{
// This is 0 when there's no requested H.26X level in the device profile
// and the source is not encoded in H.26X
Logger.LogError("Got invalid H.26X level when building CODECS field for HLS master playlist");
return string.Empty;
}
if (string.Equals(state.ActualOutputVideoCodec, "h264", StringComparison.OrdinalIgnoreCase))
if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase))
{
string profile = state.GetRequestedProfiles("h264").FirstOrDefault();
return HlsCodecStringFactory.GetH264String(profile, level);
}
else if (string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase)
|| string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase))
else if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase)
|| string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase))
{
string profile = state.GetRequestedProfiles("h265").FirstOrDefault();
@ -787,7 +819,7 @@ namespace MediaBrowser.Api.Playback.Hls
/// the active streams output video and audio codecs.
/// </summary>
/// <seealso cref="AppendPlaylist(StringBuilder, StreamState, string, int, string)"/>
/// <seealso cref="GetPlaylistVideoCodecs(StreamState)"/>
/// <seealso cref="GetPlaylistVideoCodecs(StreamState, string, int)"/>
/// <seealso cref="GetPlaylistAudioCodecs(StreamState)"/>
/// <param name="builder">StringBuilder to append the field to.</param>
/// <param name="state">StreamState of the current stream.</param>
@ -795,9 +827,10 @@ namespace MediaBrowser.Api.Playback.Hls
{
// Video
string videoCodecs = string.Empty;
if (!string.IsNullOrEmpty(state.ActualOutputVideoCodec))
int? videoCodecLevel = GetOutputVideoCodecLevel(state);
if (!string.IsNullOrEmpty(state.ActualOutputVideoCodec) && videoCodecLevel.HasValue)
{
videoCodecs = GetPlaylistVideoCodecs(state);
videoCodecs = GetPlaylistVideoCodecs(state, state.ActualOutputVideoCodec, videoCodecLevel.Value);
}
// Audio
@ -807,26 +840,17 @@ namespace MediaBrowser.Api.Playback.Hls
audioCodecs = GetPlaylistAudioCodecs(state);
}
if (!string.IsNullOrEmpty(videoCodecs) || !string.IsNullOrEmpty(audioCodecs))
StringBuilder codecs = new StringBuilder();
codecs.Append(videoCodecs)
.Append(',')
.Append(audioCodecs);
if (codecs.Length > 1)
{
builder.Append(",CODECS=\"");
if (!string.IsNullOrEmpty(videoCodecs) && !string.IsNullOrEmpty(audioCodecs))
{
builder.Append(videoCodecs)
.Append(',')
.Append(audioCodecs);
}
else if (!string.IsNullOrEmpty(videoCodecs))
{
builder.Append(videoCodecs);
}
else if (!string.IsNullOrEmpty(audioCodecs))
{
builder.Append(audioCodecs);
}
builder.Append('"');
builder.Append(",CODECS=\"")
.Append(codecs)
.Append('"');
}
}