protected override string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding)
{
var threads = GetNumberOfThreads(state, false);
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).ToString(CultureInfo.InvariantCulture);
}
var mapArgs = state.IsOutputVideo ? GetMapArgs(state) : string.Empty;
var enableGenericSegmenter = false;
if (enableGenericSegmenter)
{
var outputTsArg = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state);
return(string.Format("{0} {10} {1} -map_metadata -1 -threads {2} {3} {4} {5} -f segment -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -segment_time {6} -segment_format mpegts -segment_list_type m3u8 -segment_start_number {7} -segment_list \"{8}\" -y \"{9}\"",
inputModifier,
GetInputArgument(state),
threads,
mapArgs,
GetVideoArguments(state),
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
startNumberParam,
outputPath,
outputTsArg,
toTimeParam
).Trim());
}
return(string.Format("{0}{11} {1} -map_metadata -1 -threads {2} {3} {4}{5} {6} -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -hls_time {7} -start_number {8} -hls_list_size {9} -y \"{10}\"",
inputModifier,
GetInputArgument(state),
threads,
mapArgs,
GetVideoArguments(state),
timestampOffsetParam,
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
startNumberParam,
state.HlsListSize.ToString(UsCulture),
outputPath,
toTimeParam
).Trim());
}
protected override string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding)
{
var threads = GetNumberOfThreads(state, false);
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 mapArgs = state.IsOutputVideo ? GetMapArgs(state) : string.Empty;
var enableSplittingOnNonKeyFrames = string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) && false;
// TODO: check libavformat version for 57 50.100 and use -hls_flags split_by_time
var hlsProtocolSupportsSplittingByTime = false;
if (enableSplittingOnNonKeyFrames && !hlsProtocolSupportsSplittingByTime)
{
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}\"",
inputModifier,
GetInputArgument(state),
threads,
mapArgs,
GetVideoArguments(state),
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
startNumberParam,
outputPath,
outputTsArg,
toTimeParam
).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}\"",
inputModifier,
GetInputArgument(state),
threads,
mapArgs,
GetVideoArguments(state),
timestampOffsetParam,
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
splitByTimeArg,
startNumberParam,
state.HlsListSize.ToString(UsCulture),
outputPath,
toTimeParam
).Trim());
}
protected override string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding)
{
var threads = GetNumberOfThreads(state, false);
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 (EnableSplitTranscoding(state))
{
var startTime = state.Request.StartTimeTicks ?? 0;
var durationSeconds = ApiEntryPoint.Instance.GetEncodingOptions().ThrottleThresholdInSeconds;
var endTime = startTime + TimeSpan.FromSeconds(durationSeconds).Ticks;
endTime = Math.Min(endTime, state.RunTimeTicks.Value);
if (endTime < state.RunTimeTicks.Value)
{
//toTimeParam = " -to " + MediaEncoder.GetTimeParameter(endTime);
toTimeParam = " -t " + MediaEncoder.GetTimeParameter(TimeSpan.FromSeconds(durationSeconds).Ticks);
}
}
if (state.IsOutputVideo && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) && (state.Request.StartTimeTicks ?? 0) > 0)
{
timestampOffsetParam = " -output_ts_offset " + MediaEncoder.GetTimeParameter(state.Request.StartTimeTicks ?? 0).ToString(CultureInfo.InvariantCulture);
}
var mapArgs = state.IsOutputVideo ? GetMapArgs(state) : string.Empty;
//var outputTsArg = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state);
//return string.Format("{0} {11} {1}{10} -map_metadata -1 -threads {2} {3} {4} {5} -f segment -segment_time {6} -segment_format mpegts -segment_list_type m3u8 -segment_start_number {7} -segment_list \"{8}\" -y \"{9}\"",
// inputModifier,
// GetInputArgument(state),
// threads,
// mapArgs,
// GetVideoArguments(state),
// GetAudioArguments(state),
// state.SegmentLength.ToString(UsCulture),
// startNumberParam,
// outputPath,
// outputTsArg,
// slowSeekParam,
// toTimeParam
// ).Trim();
return(string.Format("{0}{11} {1} -map_metadata -1 -threads {2} {3} {4}{5} {6} -hls_time {7} -start_number {8} -hls_list_size {9} -y \"{10}\"",
inputModifier,
GetInputArgument(state),
threads,
mapArgs,
GetVideoArguments(state),
timestampOffsetParam,
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
startNumberParam,
state.HlsListSize.ToString(UsCulture),
outputPath,
toTimeParam
).Trim());
}
