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update hls params

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This commit is contained in:
Luke Pulverenti 2016-12-30 22:23:29 -05:00
parent 52a183804a
commit 20e090e145
2 changed files with 27 additions and 30 deletions
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7
MediaBrowser.Api/Playback/BaseStreamingService.cs
View File

@ -395,8 +395,6 @@ namespace MediaBrowser.Api.Playback
{
param += " -crf 23";
}
param += " -tune zerolatency";
}
else if (string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase))
@ -536,6 +534,11 @@ namespace MediaBrowser.Api.Playback
}
}
if (string.Equals(videoEncoder, "libx264", StringComparison.OrdinalIgnoreCase))
{
param += " -x264opts:0 subme=0:rc_lookahead=10:me_range=4:me=dia:no_chroma_me:8x8dct=0:partitions=none";
}
if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase) &&
!string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) &&
!string.Equals(videoEncoder, "h264_vaapi", StringComparison.OrdinalIgnoreCase))

48
MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
View File

@ -348,6 +348,8 @@ namespace MediaBrowser.Api.Playback.Hls
return;
}
Logger.Debug("Deleting partial HLS file {0}", file.FullName);
try
{
FileSystem.DeleteFile(file.FullName);
@ -723,7 +725,7 @@ namespace MediaBrowser.Api.Playback.Hls
foreach (var length in segmentLengths)
{
builder.AppendLine("#EXTINF:" + length.ToString("0.0000", UsCulture) + ",");
builder.AppendLine("#EXTINF:" + length.ToString("0.0000", UsCulture) + ", nodesc");
builder.AppendLine(string.Format("hls1/{0}/{1}{2}{3}",
@ -826,7 +828,7 @@ namespace MediaBrowser.Api.Playback.Hls
args += " -bsf:v h264_mp4toannexb";
}
args += " -flags -global_header";
//args += " -flags -global_header";
}
else
{
@ -851,7 +853,7 @@ namespace MediaBrowser.Api.Playback.Hls
args += GetGraphicalSubtitleParam(state, codec);
}
args += " -flags -global_header";
//args += " -flags -global_header";
}
if (EnableCopyTs(state) && args.IndexOf("-copyts", StringComparison.OrdinalIgnoreCase) == -1)
@ -875,27 +877,25 @@ namespace MediaBrowser.Api.Playback.Hls
var inputModifier = GetInputModifier(state, false);
// If isEncoding is true we're actually starting ffmpeg
var startNumberParam = isEncoding ? GetStartNumber(state).ToString(UsCulture) : "0";
var toTimeParam = string.Empty;
var timestampOffsetParam = string.Empty;
if (state.IsOutputVideo && !EnableCopyTs(state) && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) && (state.Request.StartTimeTicks ?? 0) > 0)
{
timestampOffsetParam = " -output_ts_offset " + MediaEncoder.GetTimeParameter(state.Request.StartTimeTicks ?? 0);
}
var startNumber = GetStartNumber(state);
var startNumberParam = isEncoding ? startNumber.ToString(UsCulture) : "0";
var mapArgs = state.IsOutputVideo ? GetMapArgs(state) : string.Empty;
var enableSplittingOnNonKeyFrames = string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) && false;
var useGenericSegmenter = true;
// TODO: check libavformat version for 57 50.100 and use -hls_flags split_by_time
var hlsProtocolSupportsSplittingByTime = false;
if (enableSplittingOnNonKeyFrames && !hlsProtocolSupportsSplittingByTime)
if (useGenericSegmenter)
{
var outputTsArg = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state);
return string.Format("{0} {10} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -f segment -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -segment_time {6} -break_non_keyframes 1 -segment_format mpegts -segment_list_type m3u8 -segment_start_number {7} -segment_list \"{8}\" -y \"{9}\"",
var timeDeltaParam = String.Empty;
if (isEncoding && startNumber > 0)
{
var startTime = state.SegmentLength * startNumber;
timeDeltaParam = string.Format("-segment_time_delta -{0}", startTime);
}
return string.Format("{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -f segment -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -segment_time {6} {10} -individual_header_trailer 0 -segment_format mpegts -segment_list_type m3u8 -segment_start_number {7} -segment_list \"{8}\" -y \"{9}\"",
inputModifier,
GetInputArgument(state),
threads,
@ -906,27 +906,21 @@ namespace MediaBrowser.Api.Playback.Hls
startNumberParam,
outputPath,
outputTsArg,
toTimeParam
timeDeltaParam
).Trim();
}
var splitByTime = hlsProtocolSupportsSplittingByTime && enableSplittingOnNonKeyFrames;
var splitByTimeArg = splitByTime ? " -hls_flags split_by_time" : "";
return string.Format("{0}{12} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4}{5} {6} -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -hls_time {7}{8} -start_number {9} -hls_list_size {10} -y \"{11}\"",
return string.Format("{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -hls_time {6} -individual_header_trailer 0 -start_number {7} -hls_list_size {8} -y \"{9}\"",
inputModifier,
GetInputArgument(state),
threads,
mapArgs,
GetVideoArguments(state),
timestampOffsetParam,
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
splitByTimeArg,
startNumberParam,
state.HlsListSize.ToString(UsCulture),
outputPath,
toTimeParam
outputPath
).Trim();
}