private void TestSyncReadAligned()
{
int hr;
IMediaSample pSample;
hr = m_pActual.GetBuffer(out pSample, 0, 0, AMGBF.None);
DsError.ThrowExceptionForHR(hr);
hr = pSample.SetTime(0, 512 * 10000000L);
DsError.ThrowExceptionForHR(hr);
hr = m_iar.SyncReadAligned(pSample);
DsError.ThrowExceptionForHR(hr);
hr = pSample.GetActualDataLength();
Debug.Assert(hr == 512, "SyncReadAligned");
Marshal.ReleaseComObject(pSample);
}
public bool Transcode(TranscodeInfo info, MediaPortal.Core.Transcoding.VideoFormat format,
MediaPortal.Core.Transcoding.Quality quality, Standard standard)
{
if (!Supports(format))
{
return(false);
}
string ext = System.IO.Path.GetExtension(info.file);
if (ext.ToLower() != ".ts" && ext.ToLower() != ".mpg")
{
Log.Info("TSReader2MP4: wrong file format");
return(false);
}
try
{
graphBuilder = (IGraphBuilder) new FilterGraph();
_rotEntry = new DsROTEntry((IFilterGraph)graphBuilder);
Log.Info("TSReader2MP4: add filesource");
TsReader reader = new TsReader();
tsreaderSource = (IBaseFilter)reader;
IBaseFilter filter = (IBaseFilter)tsreaderSource;
graphBuilder.AddFilter(filter, "TSReader Source");
IFileSourceFilter fileSource = (IFileSourceFilter)tsreaderSource;
Log.Info("TSReader2MP4: load file:{0}", info.file);
int hr = fileSource.Load(info.file, null);
//add audio/video codecs
string strVideoCodec = "";
string strH264VideoCodec = "";
string strAudioCodec = "";
string strAACAudioCodec = "";
using (MediaPortal.Profile.Settings xmlreader = new MediaPortal.Profile.MPSettings())
{
strVideoCodec = xmlreader.GetValueAsString("mytv", "videocodec", "");
strAudioCodec = xmlreader.GetValueAsString("mytv", "audiocodec", "");
strAACAudioCodec = xmlreader.GetValueAsString("mytv", "aacaudiocodec", "");
strH264VideoCodec = xmlreader.GetValueAsString("mytv", "h264videocodec", "");
}
//Find the type of decoder required for the output video & audio pins on TSReader.
Log.Info("TSReader2MP4: find tsreader compatible audio/video decoders");
IPin pinOut0, pinOut1;
IPin pinIn0, pinIn1;
pinOut0 = DsFindPin.ByDirection((IBaseFilter)tsreaderSource, PinDirection.Output, 0); //audio
pinOut1 = DsFindPin.ByDirection((IBaseFilter)tsreaderSource, PinDirection.Output, 1); //video
if (pinOut0 == null || pinOut1 == null)
{
Log.Error("TSReader2MP4: FAILED: unable to get output pins of tsreader");
Cleanup();
return(false);
}
bool usingAAC = false;
IEnumMediaTypes enumMediaTypes;
hr = pinOut0.EnumMediaTypes(out enumMediaTypes);
while (true)
{
AMMediaType[] mediaTypes = new AMMediaType[1];
int typesFetched;
hr = enumMediaTypes.Next(1, mediaTypes, out typesFetched);
if (hr != 0 || typesFetched == 0)
{
break;
}
if (mediaTypes[0].majorType == MediaType.Audio && mediaTypes[0].subType == MediaSubType.LATMAAC)
{
Log.Info("TSReader2MP4: found LATM AAC audio out pin on tsreader");
usingAAC = true;
}
}
bool usingH264 = false;
hr = pinOut1.EnumMediaTypes(out enumMediaTypes);
while (true)
{
AMMediaType[] mediaTypes = new AMMediaType[1];
int typesFetched;
hr = enumMediaTypes.Next(1, mediaTypes, out typesFetched);
if (hr != 0 || typesFetched == 0)
{
break;
}
if (mediaTypes[0].majorType == MediaType.Video && mediaTypes[0].subType == AVC1)
{
Log.Info("TSReader2MP4: found H.264 video out pin on tsreader");
usingH264 = true;
}
}
//Add the type of decoder required for the output video & audio pins on TSReader.
Log.Info("TSReader2MP4: add audio/video decoders to graph");
if (usingH264 == false)
{
Log.Info("TSReader2MP4: add mpeg2 video decoder:{0}", strVideoCodec);
VideoCodec = DirectShowUtil.AddFilterToGraph(graphBuilder, strVideoCodec);
if (VideoCodec == null)
{
Log.Error("TSReader2MP4: unable to add mpeg2 video decoder");
Cleanup();
return(false);
}
}
else
{
Log.Info("TSReader2MP4: add h264 video codec:{0}", strH264VideoCodec);
VideoCodec = DirectShowUtil.AddFilterToGraph(graphBuilder, strH264VideoCodec);
if (VideoCodec == null)
{
Log.Error("TSReader2MP4: FAILED:unable to add h264 video codec");
Cleanup();
return(false);
}
}
if (usingAAC == false)
{
Log.Info("TSReader2MP4: add mpeg2 audio codec:{0}", strAudioCodec);
AudioCodec = DirectShowUtil.AddFilterToGraph(graphBuilder, strAudioCodec);
if (AudioCodec == null)
{
Log.Error("TSReader2MP4: FAILED:unable to add mpeg2 audio codec");
Cleanup();
return(false);
}
}
else
{
Log.Info("TSReader2MP4: add aac audio codec:{0}", strAACAudioCodec);
AudioCodec = DirectShowUtil.AddFilterToGraph(graphBuilder, strAACAudioCodec);
if (AudioCodec == null)
{
Log.Error("TSReader2MP4: FAILED:unable to add aac audio codec");
Cleanup();
return(false);
}
}
Log.Info("TSReader2MP4: connect tsreader->audio/video decoders");
//connect output #0 (audio) of tsreader->audio decoder input pin 0
//connect output #1 (video) of tsreader->video decoder input pin 0
pinIn0 = DsFindPin.ByDirection(AudioCodec, PinDirection.Input, 0); //audio
pinIn1 = DsFindPin.ByDirection(VideoCodec, PinDirection.Input, 0); //video
if (pinIn0 == null || pinIn1 == null)
{
Log.Error("TSReader2MP4: FAILED: unable to get pins of video/audio codecs");
Cleanup();
return(false);
}
hr = graphBuilder.Connect(pinOut0, pinIn0);
if (hr != 0)
{
Log.Error("TSReader2MP4: FAILED: unable to connect audio pins :0x{0:X}", hr);
Cleanup();
return(false);
}
hr = graphBuilder.Connect(pinOut1, pinIn1);
if (hr != 0)
{
Log.Error("TSReader2MP4: FAILED: unable to connect video pins :0x{0:X}", hr);
Cleanup();
return(false);
}
//add encoders, muxer & filewriter
if (!AddCodecs(graphBuilder, info))
{
return(false);
}
//setup graph controls
mediaControl = graphBuilder as IMediaControl;
mediaSeeking = tsreaderSource as IMediaSeeking;
mediaEvt = graphBuilder as IMediaEventEx;
mediaPos = graphBuilder as IMediaPosition;
//get file duration
Log.Info("TSReader2MP4: Get duration of recording");
long lTime = 5 * 60 * 60;
lTime *= 10000000;
long pStop = 0;
hr = mediaSeeking.SetPositions(new DsLong(lTime), AMSeekingSeekingFlags.AbsolutePositioning, new DsLong(pStop),
AMSeekingSeekingFlags.NoPositioning);
if (hr == 0)
{
long lStreamPos;
mediaSeeking.GetCurrentPosition(out lStreamPos); // stream position
m_dDuration = lStreamPos;
lTime = 0;
mediaSeeking.SetPositions(new DsLong(lTime), AMSeekingSeekingFlags.AbsolutePositioning, new DsLong(pStop),
AMSeekingSeekingFlags.NoPositioning);
}
double duration = m_dDuration / 10000000d;
Log.Info("TSReader2MP4: recording duration: {0}", MediaPortal.Util.Utils.SecondsToHMSString((int)duration));
//run the graph to initialize the filters to be sure
hr = mediaControl.Run();
if (hr != 0)
{
Log.Error("TSReader2MP4: FAILED: unable to start graph :0x{0:X}", hr);
Cleanup();
return(false);
}
int maxCount = 20;
while (true)
{
long lCurrent;
mediaSeeking.GetCurrentPosition(out lCurrent);
double dpos = (double)lCurrent;
dpos /= 10000000d;
System.Threading.Thread.Sleep(100);
if (dpos >= 2.0d)
{
break;
}
maxCount--;
if (maxCount <= 0)
{
break;
}
}
mediaControl.Stop();
FilterState state;
mediaControl.GetState(500, out state);
GC.Collect();
GC.Collect();
GC.Collect();
GC.WaitForPendingFinalizers();
graphBuilder.RemoveFilter(mp4Muxer);
graphBuilder.RemoveFilter(h264Encoder);
graphBuilder.RemoveFilter(aacEncoder);
graphBuilder.RemoveFilter((IBaseFilter)fileWriterFilter);
if (!AddCodecs(graphBuilder, info))
{
return(false);
}
//Set Encoder quality & Muxer settings
if (!EncoderSet(graphBuilder, info))
{
return(false);
}
//start transcoding - run the graph
Log.Info("TSReader2MP4: start transcoding");
//setup flow control
//need to leverage CBAsePin, CPullPin & IAsyncReader methods.
IAsyncReader synchVideo = null;
mediaSample = VideoCodec as IMediaSample;
hr = synchVideo.SyncReadAligned(mediaSample);
//So we only parse decoder output whent the encoders are ready.
hr = mediaControl.Run();
if (hr != 0)
{
Log.Error("TSReader2MP4: FAILED:unable to start graph :0x{0:X}", hr);
Cleanup();
return(false);
}
}
catch (Exception ex)
{
Log.Error("TSReader2MP4: Unable create graph: {0}", ex.Message);
Cleanup();
return(false);
}
return(true);
}