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Add FRAME-RATE field to HLS master playlist

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This commit is contained in:
Andreas B 2020-03-11 18:16:57 +01:00
parent f2858878d1
commit 8a990d1d95
1 changed files with 28 additions and 0 deletions
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28
MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
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@ -830,6 +830,32 @@ namespace MediaBrowser.Api.Playback.Hls
} }
} }
/// <summary>
/// Appends a FRAME-RATE field containing the framerate of the output stream.
/// </summary>
/// <seealso cref="AppendPlaylist(StringBuilder, StreamState, string, int, string)"/>
/// <param name="builder">StringBuilder to append the field to.</param>
/// <param name="state">StreamState of the current stream.</param>
private void AppendPlaylistFramerateField(StringBuilder builder, StreamState state)
{
double? framerate = null;
if (state.TargetFramerate.HasValue)
{
framerate = Math.Round(state.TargetFramerate.GetValueOrDefault(), 3);
}
else if (state.VideoStream.RealFrameRate.HasValue)
{
framerate = Math.Round(state.VideoStream.RealFrameRate.GetValueOrDefault(), 3);
}
if (framerate.HasValue)
{
builder.Append(",FRAME-RATE=\"")
.Append(framerate.Value)
.Append('"');
}
}
private void AppendPlaylist(StringBuilder builder, StreamState state, string url, int bitrate, string subtitleGroup) private void AppendPlaylist(StringBuilder builder, StreamState state, string url, int bitrate, string subtitleGroup)
{ {
builder.Append("#EXT-X-STREAM-INF:BANDWIDTH=") builder.Append("#EXT-X-STREAM-INF:BANDWIDTH=")
@ -845,6 +871,8 @@ namespace MediaBrowser.Api.Playback.Hls
AppendPlaylistCodecsField(builder, state); AppendPlaylistCodecsField(builder, state);
AppendPlaylistFramerateField(builder, state);
if (!string.IsNullOrWhiteSpace(subtitleGroup)) if (!string.IsNullOrWhiteSpace(subtitleGroup))
{ {
builder.Append(",SUBTITLES=\"") builder.Append(",SUBTITLES=\"")