public static double GetMediaDuration(string fileName, string workdir)
{
MediaInfoGrabber grabber = new MediaInfoGrabber(Functions2.ToolkitFolder, Path.Combine(Functions2.StreamBaseFolder, "probe_results"), fileName);
grabber.GetInfo("ffmpeglatest.exe", workdir);//handles m3u8 as well
return(grabber.Info.NewLiveTVPartDuration);
}
public TimeSpan GetMediaDuration(string fileName)
{
MediaInfoGrabber grabber = new MediaInfoGrabber(Functions.ToolkitFolder, Path.Combine(Functions.StreamBaseFolder, "probe_results"), fileName);
grabber.DebugMessage += new EventHandler <FatAttitude.GenericEventArgs <string> >(grabber_DebugMessage);
grabber.GetInfo();
grabber.DebugMessage -= grabber_DebugMessage;
TimeSpan duration = (grabber.Info.Success) ? grabber.Info.Duration : new TimeSpan(0);
return(duration);
}
/*
* C:\Program Files (x86)\AirVideoServer\ffmpeg.exe"
* --segment-length 4
* --segment-offset 188
* --conversion-id 548cf790-c04f-488a-96be-aae2968f272bdefd0e1d-2bdf-457d-ab15-3eb6c51ccf85
* --port-number 46631
* -threads 4
* -flags +loop
* -g 30 -keyint_min 1
* -bf 0
* -b_strategy 0
* -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 -coder 0 -me_range 16 -subq 5 -partitions +parti4x4+parti8x8+partp8x8
* -trellis 0
* -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -map 0.1:0.1 -map 0.0:0.0 -ss 188.0
* -vf "crop=720:572:0:2, scale=568:320"
* -aspect 720:576
* -y
* -async 1
* -f mpegts
* -vcodec libx264
* -bufsize 1024k
* -b 1200k
* -bt 1300k
* -qmax 48
* -qmin 2
* -r 25.0
* -acodec libmp3lame
* -ab 192k
* -ar 48000
* -ac 2
*/
void ConstructArguments()
{
//Get info on intput file...
MediaInfoGrabber g = new MediaInfoGrabber(PathToTools, Environment.GetEnvironmentVariable("tmp"), InputFile);
g.GetInfo();
// Use either the standard ffmpeg template or a custom one
string strFFMpegTemplate = (string.IsNullOrWhiteSpace(EncodingParameters.CustomFFMpegTemplate)) ?
@"{THREADS} {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y {AUDIOSYNC} -f mpegts -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL}" :
EncodingParameters.CustomFFMpegTemplate;
// Segment length and offset
segmentArguments.AddArgCouple("--segment-length", EncodingParameters.SegmentDuration.ToString());
segmentArguments.AddArgCouple("--segment-offset", StartAtSeconds.ToString() );
cmdArguments.AddArg(segmentArguments.ToString());
// Multi threads
// Set to number of physical cores.
int coreCount = 0;
foreach (var item in new System.Management.ManagementObjectSearcher("Select * from Win32_Processor").Get())
{
coreCount += int.Parse(item["NumberOfCores"].ToString());
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{THREADS}", "-threads " + coreCount.ToString());
string rate = g.Info.AVVideoStreams[0].frameRate;
Debug.WriteLine("Detected frame rate is: " + rate);
if (Convert.ToDouble(rate) > 31)
{
Debug.WriteLine("Computed frame rate:" + (Convert.ToDouble(rate) / 2).ToString());
strFFMpegTemplate = strFFMpegTemplate.Replace("{FRAMERATE}", (Convert.ToDouble(rate) / 2).ToString()); //If over 30Hz, assume 50 or 59.94Hz and convert to 25 or 29.97
}
else
strFFMpegTemplate = strFFMpegTemplate.Replace("{FRAMERATE}", rate);
// Me Range
strFFMpegTemplate = strFFMpegTemplate.Replace("{MOTIONSEARCHRANGE}", ("-me_range " + EncodingParameters.MotionSearchRange.ToString()));
// SUBQ - important as setting it too high can slow things down
strFFMpegTemplate = strFFMpegTemplate.Replace("{SUBQ}", ("-subq " + EncodingParameters.X264SubQ.ToString()) );
// Partitions
string strPartitions = (EncodingParameters.PartitionsFlags.Length > 0) ?
"-partitions " + EncodingParameters.PartitionsFlags : "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{PARTITIONS}", strPartitions);
// Add Mappings
string strMapArgs = (string.IsNullOrEmpty(MapArgumentsString)) ? "" : MapArgumentsString;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAPPINGS}", strMapArgs);
// Start at : MUST BE BEFORE INPUT FILE FLAG -i *** !!!
string strStartTime = (StartAtSeconds <= 0) ? "" : ("-ss " + StartAtSeconds.ToString());
strFFMpegTemplate = strFFMpegTemplate.Replace("{STARTTIME}", strStartTime);
// Input file - make short to avoid issues with UTF-8 in batch files IT IS VERY IMPORTANT WHERE THIS GOES; AFTER SS BUT BEFORE VCODEC AND ACODEC
string shortInputFile = Functions.FileWriter.GetShortPathName(InputFile);
// Quotes around file
string quotedInputFile = "\"" + shortInputFile + "\"";
strFFMpegTemplate = strFFMpegTemplate.Replace("{INPUTFILE}", ("-i " + quotedInputFile));
// Aspect ratio and frame size
string strAspectRatio = (EncodingParameters.OutputSquarePixels) ? "-aspect 1:1" : "-aspect " + EncodingParameters.AspectRatio;
Debug.WriteLine("EncodingParameters indicated Aspect is: " + EncodingParameters.AspectRatio);
strFFMpegTemplate = strFFMpegTemplate.Replace("{ASPECT}", strAspectRatio);
Debug.WriteLine("Selected Aspect is: " + strAspectRatio);
//Ensure viudeo fits within selected display size while maintain square pixels
string strFrameSize = "-s " + EncodingParameters.ConstrainedSize;
strFFMpegTemplate = strFFMpegTemplate.Replace("{FRAMESIZE}", strFrameSize);
Debug.WriteLine("Selected frame size is: " + strFrameSize);
// Deinterlace (experimental)
// Only deinterlace SD or 1080i HD TV content
// Assume anything else is progressive.
string strDeinterlace = (EncodingParameters.DeInterlace) ? "-deinterlace" : "";
if (((g.Info.AVVideoStreams[0].Height < 700) || (g.Info.AVVideoStreams[0].Height > 1000)) & (InputFile.ToLower().Contains(".wtv") || InputFile.ToLower().Contains(".dvr-ms")))
{
strFFMpegTemplate = strFFMpegTemplate.Replace("{DEINTERLACE}", strDeinterlace);
Debug.WriteLine("Enabling deinterlacing");
}
else
{
strFFMpegTemplate = strFFMpegTemplate.Replace("{DEINTERLACE}", "");
Debug.WriteLine("Disabling deinterlacing");
}
// OPTIONAL FOR LATER: -vf "crop=720:572:0:2, scale=568:320"
// Think this means crop to the aspect ratio, then scale to the normal frame
// Audio sync amount
string strAudioSync = "-async " + AudioSyncAmount.ToString();
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOSYNC}", strAudioSync);
// Video bitrate
string strVideoBitRateOptions = "-bufsize " + EncodingParameters.VideoBitRate + " -b " + EncodingParameters.VideoBitRate; //cmdArguments.AddArgCouple("-maxrate", VideoBitRate);
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATE}", strVideoBitRateOptions);
// Max video bitrate (optional)
string strMaxVideoBitRate = "-maxrate " + EncodingParameters.VideoBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAXVIDEOBITRATE}", strMaxVideoBitRate);
string strVideoBitRateDeviation = "-bt " + EncodingParameters.BitRateDeviation;
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATEDEVIATION}", strVideoBitRateDeviation);
// Restrict H264 encoding level (e.g. for iPhone 3G)
string strH264Level = (EncodingParameters.X264Level > 0) ? ("-level " + EncodingParameters.X264Level.ToString() ) : "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{H264LEVEL}", strH264Level);
string strH264Profile = (string.IsNullOrWhiteSpace(EncodingParameters.X264Profile)) ? "" : "-profile " + EncodingParameters.X264Profile;
strFFMpegTemplate = strFFMpegTemplate.Replace("{H264PROFILE}", strH264Profile);
// Audio: MP3 - must be after input file flag -i //
string strAudioCodecOptions = "";
switch (EncodingParameters.AudioCodec)
{
case VideoEncodingParameters.AudioCodecTypes.AAC:
strAudioCodecOptions = "-acodec aac -strict experimental";
break;
default:
strAudioCodecOptions = "-acodec libmp3lame";
break;
//// "libfaac");
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOCODEC}", strAudioCodecOptions);
// Audio Bitrate
string strAudioBitRate = "-ab " + EncodingParameters.AudioBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOBITRATE}", strAudioBitRate);
// Audio sample rate
string strAudioSampleRate = "-ar " + EncodingParameters.AudioSampleRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOSAMPLERATE}", strAudioSampleRate);
// Force stereo
string strAudioChannels = "-ac 2";
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOCHANNELS}", strAudioChannels);
// Volume Level
string strVolumeBoost = "";
if (EncodingParameters.AudioVolumePercent != 100)
{
double fVolumeBytes = (256.0 * (EncodingParameters.AudioVolumePercent / 100.0));
int iVolumeBytes = Convert.ToInt32(fVolumeBytes);
strVolumeBoost = "-vol " + iVolumeBytes.ToString();
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{VOLUMELEVEL}", strVolumeBoost);
// Pipe to segmenter (ie send to standard output now)
strFFMpegTemplate = strFFMpegTemplate + " -";
// Commit - add to the arguments
cmdArguments.AddArg(strFFMpegTemplate);
}
private void ConstructArguments(int startAtSegment)
{
MediaInfoGrabber g = null;
// if (!request.NewLiveTV)
{
//Get info on intput file...
SendDebugMessage("MediaInfoGrabber: Setting up prober in HLSRunner...");
g = new MediaInfoGrabber(PathToTools, Environment.GetEnvironmentVariable("tmp"), InputFile);
if (request.NewLiveTV)
{
//g.GetInfo2("ffmpeg.exe", "");
}
else if (request.LiveTV)
{
g.GetInfo2("ffmpeg.exe", "");
}
else
{
g.GetInfo("ffmpeg.exe", "");
}
}
string args ="";
// if (Settings.Default.UseOsmo4)
// {
//request.UseNewerFFMPEG = Settings.Default.UseOsmo4;
//string rppath = Path.Combine(
// Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "remotepotato");
//string workingdirectory = Path.Combine(rppath, "static\\mediastreams\\" + ID + "\\");
//args =
// @"{THREADS} {STARTTIME} {INPUTFILE} {MAPPINGS} -vbsf h264_mp4toannexb -flags -global_header {H264PROFILE} -level 30 -preset ultrafast {USEGPU} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -weightb 0 -8x8dct 0 -deblock 0:0 -cmp chroma -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {ASPECT} {FRAMESIZE} {DEINTERLACE} -y {AUDIOSYNC} -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL} -force_key_frames expr:gte(t,n_forced*" +
// SegmentDuration + ") -f segment -segment_time " + SegmentDuration + " -segment_list " +
// workingdirectory + "index2.m3u8 -segment_start_number {SEGMENTSTARTNR} segment-%d.ts";
// }
// else
if (request.NewLiveTV)
// args = @" {INPUTFILE} -y {THREADS} {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -b_strategy 0 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {AUDIOCODEC} {AUDIOBITRATE} {MAXAUDIOBITRATE} {MINAUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} -c:v libx264 {AUDIOSYNC} {ASPECT} -vbsf h264_mp4toannexb {FRAMESIZE} {VIDEOBITRATE} {MAXVIDEOBITRATE} {MINVIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -flags -global_header -f segment {SEGMENTLENGTH} {INDEXFILE} {segment_start_number} seg-%d.ts";
// args = @" {INPUTFILE} -map 0 -y {THREADS} -c copy -f segment {SEGMENTLENGTH} {INDEXFILE} {segment_start_number} liveseg-%d.ts";
args = "";
// args = @" {INPUTFILE} -y {THREADS} {MAPPINGS} {AUDIOCODEC} {AUDIOBITRATE} {MAXAUDIOBITRATE} {MINAUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} -c:v libx264 -profile:v baseline -level 1 {AUDIOSYNC} {ASPECT} -vbsf h264_mp4toannexb {FRAMESIZE} {VIDEOBITRATE} {MAXVIDEOBITRATE} {MINVIDEOBITRATE} {VIDEOBITRATEDEVIATION} -flags -global_header c:\scratch\scratch.ts";
else if (request.LiveTV)
// args = @"{THREADS} {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {AUDIOSYNC} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y -f mpegts -vcodec libx264 {VIDEOBITRATE} {MINVIDEOBITRATE} {MAXVIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r 25 {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL}";
args =
@"{THREADS} {H264PROFILE} {H264LEVEL} {USEGPU} -flags +loop -g 30 -keyint_min 1 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {AUDIOSYNC} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y -f mpegts -vcodec libx264 {VIDEOBITRATE} {MINVIDEOBITRATE} {MAXVIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL}";
// see for efficiency: http://smorgasbork.com/component/content/article/35-linux/98-high-bitrate-real-time-mpeg-2-encoding-with-ffmpeg as well
else if (request.UseNewerFFMPEG && !request.NewLiveTV && !request.LiveTV)
{
string rppath = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "remotepotato");
string workingdirectory = Path.Combine(rppath, "static\\mediastreams\\" + ID + "\\");
args =
@"{THREADS} {STARTTIME} {INPUTFILE} {MAPPINGS} -vbsf h264_mp4toannexb -flags -global_header {H264PROFILE} {H264LEVEL} {USEGPU} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -weightb 0 -8x8dct 0 -deblock 0:0 -cmp chroma -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {ASPECT} {FRAMESIZE} {DEINTERLACE} -y {AUDIOSYNC} -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL} -force_key_frames expr:gte(t,n_forced*" +
SegmentDuration + ") -f segment -segment_time " + SegmentDuration + " -segment_list " +
workingdirectory + "index2.m3u8 -segment_start_number {SEGMENTSTARTNR} segment-%d.ts";
//args = @"{THREADS} {INPUTFILE} -map 0:0 -map 0:1 -vbsf h264_mp4toannexb -flags -global_header {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -weightb 0 -8x8dct 0 -deblock 0:0 -cmp chroma -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {STARTTIME} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y {AUDIOSYNC} -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL} -f segment -segment_time 3 -segment_list " + workingdirectory + "index2.m3u8 segment-%d.ts";
}
else // never change a winning team:
// args = @"{THREADS} {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y {AUDIOSYNC} -f mpegts -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL} -scodec copy";
args =
@"{THREADS} {H264PROFILE} {H264LEVEL} {USEGPU} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y {AUDIOSYNC} -f mpegts -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r {FRAMERATE} {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL} ";
//if (request.LiveTV)
// args = @"{THREADS} {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {AUDIOSYNC} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y -f mpegts -vcodec libx264 {VIDEOBITRATE} {MINVIDEOBITRATE} {MAXVIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r 25 {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL}";
//// see for efficiency: http://smorgasbork.com/component/content/article/35-linux/98-high-bitrate-real-time-mpeg-2-encoding-with-ffmpeg as well
//else // never change a winning team:
// args = @"{THREADS} {H264PROFILE} {H264LEVEL} -flags +loop -g 30 -keyint_min 1 -bf 0 -b_strategy 0 -flags2 -wpred-dct8x8 -cmp +chroma -deblockalpha 0 -deblockbeta 0 -refs 1 {MOTIONSEARCHRANGE} {SUBQ} {PARTITIONS} -trellis 0 -coder 0 -sc_threshold 40 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' {MAPPINGS} {STARTTIME} {INPUTFILE} {AUDIOSYNC} {ASPECT} {FRAMESIZE} {DEINTERLACE} -y -f mpegts -vcodec libx264 {VIDEOBITRATE} {VIDEOBITRATEDEVIATION} -qmax 48 -qmin 2 -r 25 {AUDIOCODEC} {AUDIOBITRATE} {AUDIOSAMPLERATE} {AUDIOCHANNELS} {VOLUMELEVEL}";
// Use either the standard ffmpeg template or a custom one
string strFFMpegTemplate = (string.IsNullOrWhiteSpace(EncodingParameters.CustomFFMpegTemplate)) ? args : EncodingParameters.CustomFFMpegTemplate;
if (request.NewLiveTV)
{
// strFFMpegTemplate = strFFMpegTemplate.Replace("{SEGMENTLENGTH}", "-segment_time " + SegmentDuration.ToString());
strFFMpegTemplate = strFFMpegTemplate.Replace("{SEGMENTLENGTH}", "-segment_time 4"); // this results in segments ABOUT this size of 4 seconds
// strFFMpegTemplate = strFFMpegTemplate.Replace("{SEGMENTLENGTH}", " -segment_list_flags +live ");
// Segment length and offset
}
else if (request.LiveTV)
{// start with 4 seconds first then gradually increase up to 1 minute of segmentlength
segmentArguments.AddArgCouple("--segment-length", SegmentDuration.ToString());
segmentArguments.AddArgCouple("--segment-offset", StartAtSeconds.ToString());
cmdArguments.AddArg(segmentArguments.ToString());
}
else if (!request.UseNewerFFMPEG)
{
segmentArguments.AddArgCouple("--segment-length", EncodingParameters.SegmentDuration.ToString());
segmentArguments.AddArgCouple("--segment-offset", StartAtSeconds.ToString());
cmdArguments.AddArg(segmentArguments.ToString());
}
// Multi threads
if (!(request.LiveTV || request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)))
{// never change a winning team:
strFFMpegTemplate = strFFMpegTemplate.Replace("{THREADS}", "-threads 4");
strFFMpegTemplate = strFFMpegTemplate.Replace("{USEGPU}", " ");
}
//if ((Settings.Default.applyLiveTVSettingsToVideosAsWell && (request.UseNewerFFMPEG && !request.LiveTV)) || request.NewLiveTV )
// {
// strFFMpegTemplate = strFFMpegTemplate.Replace("{THREADS}",
// "-threads " + Settings.Default.NumberOfCoresX264);
// strFFMpegTemplate = strFFMpegTemplate.Replace("{USEGPU}",
// (Settings.Default.GPUtranscode
// ? " -x264opts ref=9:opencl:crf=16.0 "
// : " "));
// }
//else
{
strFFMpegTemplate = strFFMpegTemplate.Replace("{THREADS}", "-threads 8");
strFFMpegTemplate = strFFMpegTemplate.Replace("{USEGPU}", " ");
}
string rate = "50";
SendDebugMessage("frame rate set to: " + rate);
if (g.Info.Success && (g.Info.AVVideoStreams.Count > 0))
{
if (!request.NewLiveTV && !request.LiveTV && g.Info.Success)
{
rate = g.Info.AVVideoStreams[0].frameRate;
SendDebugMessage("However detected frame rate is, so set to: " + rate);
}
}
double rateD;
double.TryParse(rate, NumberStyles.Any, CultureInfo.InvariantCulture, out rateD);
if (rateD > 31)
{
SendDebugMessage("Computed frame rate:" + (rateD / 2));
strFFMpegTemplate = strFFMpegTemplate.Replace("{FRAMERATE}", "" + (rateD / 2)); //If over 30Hz, assume 50 or 59.94Hz and convert to 25 or 29.97
}
else
strFFMpegTemplate = strFFMpegTemplate.Replace("{FRAMERATE}", rate);
// Me Range
strFFMpegTemplate = strFFMpegTemplate.Replace("{MOTIONSEARCHRANGE}", ("-me_range " + EncodingParameters.MotionSearchRange.ToString()));
// SUBQ - important as setting it too high can slow things down
strFFMpegTemplate = strFFMpegTemplate.Replace("{SUBQ}", ("-subq " + EncodingParameters.X264SubQ.ToString()));
// Partitions
string strPartitions = (EncodingParameters.PartitionsFlags.Length > 0) ?
"-partitions " + EncodingParameters.PartitionsFlags : "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{PARTITIONS}", strPartitions);
// Add Mappings
if (((true || request.UseNewerFFMPEG) && !request.NewLiveTV))// for newlivetv change mappings in shellcmdrunner
{
string strMapArgs = (string.IsNullOrEmpty(MapArgumentsString)) ? "" : MapArgumentsString;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAPPINGS}", strMapArgs);
}
else if (!request.NewLiveTV)
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAPPINGS}", "");
// Start at : MUST BE BEFORE INPUT FILE FLAG -i *** !!!
string strStartTime;
if (request.NewLiveTV)
{
strStartTime = (secondsToStartNextTime <= 0) ? "" : ("-ss " + secondsToStartNextTime.ToString());
}
else
{
strStartTime = (StartAtSeconds <= 0) ? "" : ("-ss " + StartAtSeconds.ToString());
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{STARTTIME}", strStartTime);
int segstart = (startAtSegment >= 99999) ? 0 : startAtSegment;
strFFMpegTemplate = strFFMpegTemplate.Replace("{SEGMENTSTARTNR}", segstart.ToString());
//// for liveTV, -async 1 alone does not seem to work, so:
//string strVideoAudioSync = (EncodingParameters.AVSyncDifference <= 0) ? "" : ("-itsoffset " + EncodingParameters.AVSyncDifference.ToString(CultureInfo.InvariantCulture));
//strFFMpegTemplate = strFFMpegTemplate.Replace("{ITOFFSET}", strVideoAudioSync);
// Input file - make short to avoid issues with UTF-8 in batch files IT IS VERY IMPORTANT WHERE THIS GOES; AFTER SS BUT BEFORE VCODEC AND ACODEC
if (request.NewLiveTV)
{
// strFFMpegTemplate = strFFMpegTemplate.Replace("{INPUTFILE}", (" -ab 256000 -vb 10000000 -mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 100 -f mpeg -i -")); //let it catch the pipe
//strFFMpegTemplate = strFFMpegTemplate.Replace("{INPUTFILE}", (" -f mpeg -i -")); //let it catch the pipe
string shortInputFile = Functions.FileWriter.GetShortPathName(InputFile);
// Quotes around file
string quotedInputFile = "\"" + shortInputFile + "\"";
strFFMpegTemplate = strFFMpegTemplate.Replace("{INPUTFILE}", ("-i " + quotedInputFile));
}
else
{
string shortInputFile = Functions.FileWriter.GetShortPathName(InputFile);
// Quotes around file
string quotedInputFile = "\"" + shortInputFile + "\"";
strFFMpegTemplate = strFFMpegTemplate.Replace("{INPUTFILE}", ("-i " + quotedInputFile));
}
if (request.NewLiveTV)
{
string workingFolderPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "RemotePotato");
workingFolderPath = Path.Combine(workingFolderPath + "\\static\\mediastreams\\", ID);
if (!Directory.Exists(workingFolderPath)) Directory.CreateDirectory(workingFolderPath);
string quotedIndexFile = "\"" + workingFolderPath + "\\livetv5.m3u8" + "\"";
strFFMpegTemplate = strFFMpegTemplate.Replace("{INDEXFILE}", ("-segment_list " + quotedIndexFile));
shellRunner.NamedPipe = Path.Combine(workingFolderPath, "PipestreamPath");
}
// Aspect ratio and frame size
string asp = (request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? "-aspect:v " : "-aspect ";
string strAspectRatio = (EncodingParameters.OutputSquarePixels) ? asp + "1:1" : asp + EncodingParameters.AspectRatio;
strFFMpegTemplate = strFFMpegTemplate.Replace("{ASPECT}", strAspectRatio);
string strFrameSize = ((request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? "-s:v " : "-s ") + EncodingParameters.ConstrainedSize;
strFFMpegTemplate = strFFMpegTemplate.Replace("{FRAMESIZE}", strFrameSize);
// Deinterlace (experimental)
string strDeinterlace = (EncodingParameters.DeInterlace) ? "-deinterlace" : "";
//string strdeinterlace = (encodingparameters.deinterlace) ? "-deinterlace" : "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{DEINTERLACE}", strDeinterlace);
// OPTIONAL FOR LATER: -vf "crop=720:572:0:2, scale=568:320"
// Think this means crop to the aspect ratio, then scale to the normal frame
// Audio sync amount
string strAudioSync = "-async " + AudioSyncAmount.ToString();
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOSYNC}", strAudioSync);
int maxDuration = EncodingParameters.SegmentDuration;
int currentSegmentDuration = Math.Min(EncodingParameters.SegmentDuration, request.InitialWaitTimeBeforeLiveTVStarts + startAtSegment * request.SegmentIncreasingStepsLiveTV); ;
int videobitrate = 0;
int audiobitrate = 0;
// Video bitrate
if (request.LiveTV)
{
if (maxDuration == 0)
{
}
else
{
videobitrate = (int)(toInteger(EncodingParameters.VideoBitRate) * (Math.Sin((Math.PI) * currentSegmentDuration / (2 * maxDuration))));//sin seems to be a nice fast climbing function
// audiobitrate = (int)(toInteger(EncodingParameters.AudioBitRate) * (Math.Sin((Math.PI) * currentSegmentDuration / (2 * maxDuration))));
audiobitrate = toInteger(EncodingParameters.AudioBitRate);
//videobitrate = (int)(toInteger(EncodingParameters.VideoBitRate) * (currentSegmentDuration / maxDuration)); //linear
//audiobitrate = (int)(toInteger(EncodingParameters.AudioBitRate) * (currentSegmentDuration / maxDuration));
SendDebugMessage("VideoBitRate now: " + videobitrate);
}
string strVideoBitRateOptions = "-bufsize " + "50Mi -b " + videobitrate; //cmdArguments.AddArgCouple("-maxrate", VideoBitRate);
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATE}", strVideoBitRateOptions);
}
else
{
string strVideoBitRateOptions = "-bufsize " + EncodingParameters.VideoBitRate + ((request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? " -b:v " : " -b ") + EncodingParameters.VideoBitRate; //cmdArguments.AddArgCouple("-maxrate", VideoBitRate);
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATE}", strVideoBitRateOptions);
}
if (request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV))
{
// Max video bitrate (optional)
string strMaxVideoBitRate = "-maxrate " + EncodingParameters.VideoBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAXVIDEOBITRATE}", strMaxVideoBitRate);
string strMinVideoBitRate = "-minrate " + EncodingParameters.VideoBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MINVIDEOBITRATE}", strMinVideoBitRate);
string strMaxAudioBitRate = "-maxrate " + EncodingParameters.AudioBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAXAUDIOBITRATE}", strMaxAudioBitRate);
string strMinAudioBitRate = "-minrate " + EncodingParameters.AudioBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MINAUDIOBITRATE}", strMinAudioBitRate);
string strVideoBitRateDeviation = "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATEDEVIATION}", strVideoBitRateDeviation);
}
else if (request.LiveTV)
{
// Max video bitrate (optional)
string strMaxVideoBitRate = "-maxrate " + videobitrate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAXVIDEOBITRATE}", strMaxVideoBitRate);
string strMinVideoBitRate = "-minrate " + videobitrate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MINVIDEOBITRATE}", strMinVideoBitRate);
string strMaxAudioBitRate = "-maxrate " + audiobitrate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAXAUDIOBITRATE}", strMaxAudioBitRate);
string strMinAudioBitRate = "-minrate " + audiobitrate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MINAUDIOBITRATE}", strMinAudioBitRate);
string strVideoBitRateDeviation = "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATEDEVIATION}", strVideoBitRateDeviation);
}
else
{
// Max video bitrate (optional)
string strMaxVideoBitRate = "-maxrate " + EncodingParameters.VideoBitRate;
strFFMpegTemplate = strFFMpegTemplate.Replace("{MAXVIDEOBITRATE}", strMaxVideoBitRate);
string strVideoBitRateDeviation = "-bt " + EncodingParameters.BitRateDeviation;
strFFMpegTemplate = strFFMpegTemplate.Replace("{VIDEOBITRATEDEVIATION}", strVideoBitRateDeviation);
}
// Restrict H264 encoding level (e.g. for iPhone 3G)
string strH264Level = (EncodingParameters.X264Level > 0) ? ("-level " + EncodingParameters.X264Level.ToString()) : "";
strFFMpegTemplate = strFFMpegTemplate.Replace("{H264LEVEL}", strH264Level);
string strH264Profile = (string.IsNullOrWhiteSpace(EncodingParameters.X264Profile)) ? "" : ((request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? "-profile:v " : "-profile ") + EncodingParameters.X264Profile;
strFFMpegTemplate = strFFMpegTemplate.Replace("{H264PROFILE}", strH264Profile);
// Audio: MP3 - must be after input file flag -i //
string strAudioCodecOptions = "";
string cod = (request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? "-c:a " : "-acodec ";
switch (EncodingParameters.AudioCodec)
{
case VideoEncodingParameters.AudioCodecTypes.NONE:
strAudioCodecOptions = " -an ";
break;
case VideoEncodingParameters.AudioCodecTypes.AAC:
strAudioCodecOptions = cod + "aac -strict experimental ";
break;
default:
strAudioCodecOptions = cod + "libmp3lame";
break;
//// "libfaac");
}
if (request.NewLiveTV && EncodingParameters.AudioCodec!=VideoEncodingParameters.AudioCodecTypes.NONE)
{
strAudioCodecOptions = cod + " aac -strict experimental ";
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOCODEC}", strAudioCodecOptions);
// Audio Bitrate
string strAudioBitRate = "";
if (request.LiveTV)
{
strAudioBitRate = "-ab " + audiobitrate;
}
else if (request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV))
{
strAudioBitRate = "-ab:a " + EncodingParameters.AudioBitRate;
}
else
{
strAudioBitRate = "-ab " + EncodingParameters.AudioBitRate;
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOBITRATE}", strAudioBitRate);
// Audio sample rate
string strAudioSampleRate = ((request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? "-ar:a " : "-ar ") + "44100";//EncodingParameters.AudioSampleRate; 48000 results in no sound on android!!!
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOSAMPLERATE}", strAudioSampleRate);
// Force stereo
string strAudioChannels = ((request.NewLiveTV || (request.UseNewerFFMPEG && !request.LiveTV)) ? "-ac:a 2 " : "-ac 2 ");
strFFMpegTemplate = strFFMpegTemplate.Replace("{AUDIOCHANNELS}", strAudioChannels);
// Volume Level
string strVolumeBoost = "";
if (EncodingParameters.AudioVolumePercent != 100)
{
double fVolumeBytes = (256.0 * (EncodingParameters.AudioVolumePercent / 100.0));
int iVolumeBytes = Convert.ToInt32(fVolumeBytes);
strVolumeBoost = "-vol " + iVolumeBytes.ToString();
}
strFFMpegTemplate = strFFMpegTemplate.Replace("{VOLUMELEVEL}", strVolumeBoost);
if (request.NewLiveTV)
{
//http://stackoverflow.com/questions/1179970/c-sharp-find-most-recent-file-in-dir
var directory = new DirectoryInfo(WorkingDirectory);
int LatestSegmentNr = 0;
if (File.Exists(WorkingDirectory + "\\liveseg-1.ts"))
{
var myFile = directory.GetFiles("*.ts").OrderByDescending(f => f.LastWriteTime).First();
string bestand = myFile.Name;
bestand = bestand.Replace(".ts", ""); // remove extension
// Get segment number
string strSegNumber;
List<string> parts = bestand.Split('-').ToList();
if (parts.Count > 1)
{
strSegNumber = parts[1];
if (!int.TryParse(strSegNumber, out LatestSegmentNr))
{
}
}
}
// strFFMpegTemplate = strFFMpegTemplate.Replace("{segment_times}", "-segment_times 4,20,40,60");
strFFMpegTemplate = strFFMpegTemplate.Replace("{segment_times}", "");
strFFMpegTemplate = strFFMpegTemplate.Replace("{segment_start_number}", "-segment_start_number " + Math.Max(1, LatestSegmentNr + 1));
}
else if (!(request.UseNewerFFMPEG && !request.LiveTV) && !request.NewLiveTV)
{
// Pipe to segmenter (ie send to standard output now)
strFFMpegTemplate = strFFMpegTemplate + " -";
}
// Commit - add to the arguments
cmdArguments.AddArg(strFFMpegTemplate);
}
public TimeSpan GetMediaDuration(string fileName)
{
MediaInfoGrabber grabber = new MediaInfoGrabber(Functions2.ToolkitFolder, Path.Combine(Functions2.StreamBaseFolder, "probe_results"), fileName);
grabber.DebugMessage += new EventHandler<GenericEventArgs<string>>(grabber_DebugMessage);
grabber.GetInfo("ffmpeg.exe", "");
grabber.DebugMessage -= grabber_DebugMessage;
TimeSpan duration = (grabber.Info.Success) ? grabber.Info.Duration : new TimeSpan(0);
return duration;
}
