private void TestRender()
{
int hr;
hr = m_ire.RenderOutputPins();
DESError.ThrowExceptionForHR(hr);
}
private void TestFix()
{
const int START = 100000001;
const int END = 200000001;
int hr;
long i1, i2;
IAMTimelineObj pSource1Obj;
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
hr = pSource1Obj.SetStartStop(START, END);
DESError.ThrowExceptionForHR(hr);
hr = pSource1Obj.GetStartStop(out i1, out i2);
DESError.ThrowExceptionForHR(hr);
hr = m_VideoTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
hr = pSource1Obj.FixTimes(ref i1, ref i2);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(i1 == START - 1 && i2 == END - 1, "fix");
}
private void InitVideo()
{
int hr;
IAMTimelineGroup pVideoGroup = (IAMTimelineGroup)m_pVideoGroupObj;
// all we set is the major type. The group will automatically use other defaults
AMMediaType VideoGroupType = new AMMediaType();
VideoGroupType.majorType = MediaType.Video;
hr = pVideoGroup.SetMediaType(VideoGroupType);
DESError.ThrowExceptionForHR(hr);
DsUtils.FreeAMMediaType(VideoGroupType);
// add the video group to the timeline
hr = m_pTimeline.AddGroup(m_pVideoGroupObj);
DESError.ThrowExceptionForHR(hr);
IAMTimelineObj pTrack1Obj;
hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
// tell the composition about the track
IAMTimelineComp pRootComp = (IAMTimelineComp)m_pVideoGroupObj;
hr = pRootComp.VTrackInsBefore(pTrack1Obj, -1);
DESError.ThrowExceptionForHR(hr);
m_VideoTrack = (IAMTimelineTrack)pTrack1Obj;
}
private long AddVideo(string VideoFile)
{
int hr;
// create the timeline source object
IAMTimelineObj pSource1Obj;
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
try
{
hr = pSource1Obj.SetStartStop(0, 10000000000);
DESError.ThrowExceptionForHR(hr);
IAMTimelineSrc pSource1Src = (IAMTimelineSrc)pSource1Obj;
// Put in the file name
hr = pSource1Src.SetMediaName(VideoFile);
DESError.ThrowExceptionForHR(hr);
// Connect the track to the source
hr = m_VideoTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pSource1Obj);
}
return(0);
}
private void TestLogError()
{
int hr;
IGraphBuilder fg;
IRenderEngine ire = new RenderEngine() as IRenderEngine;
hr = ire.SetTimelineObject(m_pTimeline);
DESError.ThrowExceptionForHR(hr);
hr = ire.ConnectFrontEnd();
DESError.ThrowExceptionForHR(hr);
hr = ire.RenderOutputPins();
DESError.ThrowExceptionForHR(hr);
hr = ire.GetFilterGraph(out fg);
DESError.ThrowExceptionForHR(hr);
hr = ((IMediaControl)fg).Run();
DESError.ThrowExceptionForHR(hr);
IMediaEvent ime = fg as IMediaEvent;
EventCode evCode;
const int E_Abort = unchecked ((int)0x80004004);
do
{
System.Windows.Forms.Application.DoEvents();
System.Threading.Thread.Sleep(100);
hr = ime.WaitForCompletion(1000, out evCode);
} while (evCode == (EventCode)E_Abort);
Debug.Assert(m_Called == true, "LogError");
}
/// <summary>
/// Construct the class
/// </summary>
/// <remarks>
/// The input files do not need to have the same height/width/fps. DES will
/// automatically convert them all to the values specified by the constructor.
/// </remarks>
/// <param name="FPS">Frames per second (commonly 15 or 30)</param>
/// <param name="BitCount">Color depth: 16, 24 or 32</param>
/// <param name="Width">Frame width (commonly 320, 640, etc)</param>
/// <param name="Height">Frame height (commonly 240, 480, etc)</param>
/// <param name="audio">support only audio files</param>
/// <param name="video">support only video files</param>
public DESCombine(double FPS, short BitCount, int Width, int Height, bool audio, bool video)
{
threadCompleted = true;
// Initialize the data members
m_State = ClassState.Constructed;
// Create the timeline
m_pTimeline = (IAMTimeline) new AMTimeline();
// Set the frames per second
int hr = m_pTimeline.SetDefaultFPS(FPS);
DESError.ThrowExceptionForHR(hr);
supportAudio = audio;
supportVideo = video;
if (supportVideo)
{
// Init the video group
m_Video = new MediaGroup(GetVideoMediaType(BitCount, Width, Height), m_pTimeline, FPS);
}
if (supportAudio)
{
// Init the audio group
m_Audio = new MediaGroup(GetAudioMediaType(), m_pTimeline, FPS);
}
this.ThreadFinished += new EventHandler(DESCombine_ThreadFinished);
}
/// <summary>
/// Returns an XML description of the capture graph (as seen by DES).
/// </summary>
/// <remarks>
/// This method can only be called after one
/// of the render functions has been called. Might be useful for debugging. It is also possible (even easy)
/// to build the DES part of a graph from an XML file, however that functionality has not been implemented
/// in this version of the library.
/// </remarks>
/// <returns>string containing XML</returns>
public string GetXML()
{
if (m_State < ClassState.RenderSelected)
{
throw new Exception("No render method has been selected");
}
IXml2Dex pXML;
string sRet;
int hr;
pXML = (IXml2Dex) new Xml2Dex();
try
{
hr = pXML.WriteXML(m_pTimeline, out sRet);
DESError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pXML);
}
return(sRet);
}
protected AbstractRenderer(ITimeline timeline)
{
if (timeline == null)
{
throw new ArgumentNullException(TimelineParameterName);
}
_timeline = timeline;
int hr = 0;
// create the render engine
_renderEngine = (IRenderEngine) new RenderEngine();
_cleanup.Add(_renderEngine);
// tell the render engine about the timeline it should use
hr = _renderEngine.SetTimelineObject(_timeline.DesTimeline);
DESError.ThrowExceptionForHR(hr);
// connect up the front end
hr = _renderEngine.ConnectFrontEnd();
DESError.ThrowExceptionForHR(hr);
// Get the filtergraph - used all over the place
hr = _renderEngine.GetFilterGraph(out _graph);
_cleanup.Add(Graph);
DESError.ThrowExceptionForHR(hr);
// find the first (and usually last) audio and video group, we use these
// when rendering to track progress
_firstAudioGroup = _timeline.FindFirstGroupOfType(GroupType.Audio);
_firstVideoGroup = _timeline.FindFirstGroupOfType(GroupType.Video);
}
private void ReadXML()
{
int hr;
hr = m_ixd.ReadXMLFile(m_pTimeline, "foo.xml");
DESError.ThrowExceptionForHR(hr);
}
private void TestGroupCount()
{
int hr;
int c;
IAMTimelineObj pGroup;
hr = m_pTimeline.GetGroupCount(out c);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(c == 1, "GetGroupCount");
hr = m_pTimeline.ClearAllGroups();
DESError.ThrowExceptionForHR(hr);
hr = m_pTimeline.GetGroupCount(out c);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(c == 0, "ClearAllGroups");
hr = m_pTimeline.AddGroup((IAMTimelineObj)m_pVideoGroup);
DESError.ThrowExceptionForHR(hr);
hr = m_pTimeline.GetGroup(out pGroup, 0);
DESError.ThrowExceptionForHR(hr);
hr = m_pTimeline.RemGroupFromList((IAMTimelineObj)pGroup);
DESError.ThrowExceptionForHR(hr);
hr = m_pTimeline.GetGroupCount(out c);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(c == 0, "RemGroupFromList");
}
private void TestDuration()
{
int hr;
long l;
double d;
IAMTimelineObj pTrack1Obj;
hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
// tell the composition about the track
IAMTimelineComp pRootComp = (IAMTimelineComp)m_pVideoGroup;
hr = pRootComp.VTrackInsBefore(pTrack1Obj, -1);
DESError.ThrowExceptionForHR(hr);
m_VideoTrack = (IAMTimelineTrack)pTrack1Obj;
AddVideo("foo.avi");
AddVideo("foxo.avi");
hr = m_pTimeline.GetDuration(out l);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(l == 10000000000, "Duration");
hr = m_pTimeline.GetDuration2(out d);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(d == 1000.0, "GetDuration2");
hr = m_pTimeline.ValidateSourceNames(SFNValidateFlags.Replace | SFNValidateFlags.Check | SFNValidateFlags.Popup, this, IntPtr.Zero);
DESError.ThrowExceptionForHR(hr);
}
private void TestAddGroup()
{
int hr;
hr = m_pTimeline.AddGroup((IAMTimelineObj)m_pVideoGroup);
DESError.ThrowExceptionForHR(hr);
}
private void TestAdd()
{
int hr;
hr = m_itt.TransAdd(GetTrans());
DESError.ThrowExceptionForHR(hr);
}
private void Config()
{
int hr;
IAMTimelineObj pSource1Obj;
m_pTimeline = (IAMTimeline) new AMTimeline();
InitVideo();
// create the timeline source object
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
m_pSource1Src = (IAMTimelineSrc)pSource1Obj;
////////////////////////////
hr = m_pSource1Src.SetMediaName("foo.avi");
DESError.ThrowExceptionForHR(hr);
hr = ((IAMTimelineObj)pSource1Obj).SetStartStop(0, 1234563053945);
DESError.ThrowExceptionForHR(hr);
// Connect the track to the source
hr = m_VideoTrack.SrcAdd((IAMTimelineObj)pSource1Obj);
DESError.ThrowExceptionForHR(hr);
////////////////////////////
m_Splittable = (IAMTimelineSplittable)pSource1Obj;
}
/// <summary>
/// Time:2008-6-23
/// Author:michael
/// Function: Return the length of the media file
/// </summary>
/// <param name="m_FileName"></param>
public static long GetMediaLength(string m_FileName)
{
int hr;
double d;
long i;
try
{
IMediaDet imd = (IMediaDet) new MediaDet();
// Set the name
hr = imd.put_Filename(m_FileName);
DESError.ThrowExceptionForHR(hr);
// Read from stream zero
hr = imd.put_CurrentStream(0);
DESError.ThrowExceptionForHR(hr);
// Get the length in seconds
hr = imd.get_StreamLength(out d);
DESError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(imd);
// Convert to UNITS
i = (long)(d * DESConsts.UNITS);
}
catch
{
i = 0;
}
return(i);
}
/// <summary>
/// add Source to video group
/// </summary>
private void AddSource(IAMTimelineTrack myTrack, string SourceFile, long StartTime, long EndTime)
{
int hr;
IAMTimelineObj pSource1Obj;
// create the timeline source object
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
try
{
// set up source length
hr = pSource1Obj.SetStartStop(StartTime, EndTime);
DESError.ThrowExceptionForHR(hr);
IAMTimelineSrc pSource1Src = (IAMTimelineSrc)pSource1Obj;
// Set the file name
hr = pSource1Src.SetMediaName(SourceFile);
DESError.ThrowExceptionForHR(hr);
// Set the start/end
hr = pSource1Src.SetMediaLength(EndTime - StartTime);
DESError.ThrowExceptionForHR(hr);
hr = pSource1Src.SetStretchMode(0);
// Set the times, get back the times adjusted to fit the frame rate
hr = pSource1Src.FixMediaTimes(ref StartTime, ref EndTime);
DESError.ThrowExceptionForHR(hr);
// Connect the track to the source
hr = myTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pSource1Obj);
}
}
/// <summary>
/// Determine whether a specified pin is audio or video
/// </summary>
/// <param name="pPin">Pin to check</param>
/// <returns>True if pin is video</returns>
private bool IsVideo(IPin pPin)
{
int hr;
bool bRet = false;
AMMediaType[] pmt = new AMMediaType[1];
IEnumMediaTypes ppEnum;
// Walk the MediaTypes for the pin
hr = pPin.EnumMediaTypes(out ppEnum);
DESError.ThrowExceptionForHR(hr);
try
{
// Just read the first one
hr = ppEnum.Next(1, pmt, IntPtr.Zero);
DESError.ThrowExceptionForHR(hr);
bRet = pmt[0].majorType == MediaType.Video;
}
finally
{
Marshal.ReleaseComObject(ppEnum);
}
DsUtils.FreeAMMediaType(pmt[0]);
return(bRet);
}
/// <summary>
/// Add Color to video group on Layer
/// </summary>
private void AddColor(IAMTimelineTrack myTrack, Color sColor, long StartTime, long EndTime)
{
int hr;
IAMTimelineObj pSource1Obj;
// create the timeline source object
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
try
{
// set up source length
hr = pSource1Obj.SetStartStop(StartTime, EndTime);
DESError.ThrowExceptionForHR(hr);
DESTransition.SetColor(pSource1Obj, sColor);
// Connect the track to the source
hr = myTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pSource1Obj);
}
}
/// <summary>
/// Begins rendering and returns immediately.
/// </summary>
/// <remarks>
/// Final status is sent as a <see cref="DESCombine.Completed"/> event.
/// </remarks>
public void StartRendering()
{
int hr;
if (m_State < ClassState.RenderSelected)
{
throw new Exception("Render method not selected");
}
m_State = ClassState.GraphStarted;
m_pControl = (IMediaControl)m_pGraph;
// Avoid double threads
if (threadCompleted)
{
// Create a new thread to process events
Thread t;
t = new Thread(new ThreadStart(EventWait));
t.Name = "Media Event Thread";
t.Start();
threadCompleted = false;
}
hr = m_pControl.Run();
DESError.ThrowExceptionForHR(hr);
}
private void RenderToNullRenderer(IDESCombineCB audioCallback, IDESCombineCB videoCallback)
{
int hr;
ICaptureGraphBuilder2 icgb = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
try
{
hr = icgb.SetFiltergraph(_graph);
DESError.ThrowExceptionForHR(hr);
IBaseFilter audioDest = StandardFilters.RenderNull(_dc, _graph);
IBaseFilter videoDest = StandardFilters.RenderNull(_dc, _graph);
try
{
RenderGroups(icgb, null, null, audioDest, videoDest, audioCallback, videoCallback);
}
finally
{
if (audioDest != null)
{
Marshal.ReleaseComObject(audioDest);
}
if (videoDest != null)
{
Marshal.ReleaseComObject(videoDest);
}
}
}
finally
{
Marshal.ReleaseComObject(icgb);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="mType">Media type of the new group</param>
/// <param name="pTimeline">Timeline to use for the group</param>
/// <param name="fps">FPS for the group</param>
public MediaGroup(AMMediaType mType, IAMTimeline pTimeline, double fps)
{
int hr;
IAMTimelineObj pGroupObj;
m_Length = 0;
m_Files = new ArrayList();
m_FPS = fps;
m_pTimeline = pTimeline;
// make the root group/composition
hr = m_pTimeline.CreateEmptyNode(out pGroupObj, TimelineMajorType.Group);
DESError.ThrowExceptionForHR(hr);
try
{
m_pGroup = (IAMTimelineGroup)pGroupObj;
// Set the media type we just created
hr = m_pGroup.SetMediaType(mType);
DESError.ThrowExceptionForHR(hr);
DsUtils.FreeAMMediaType(mType);
// add the video group to the timeline
hr = m_pTimeline.AddGroup(pGroupObj);
DESError.ThrowExceptionForHR(hr);
}
finally
{
//Marshal.ReleaseComObject(pGroupObj);
}
//Marshal.ReleaseComObject(pTrack1Obj); // Released as m_VideoTrack in dispose
}
private void TestVMMediaType()
{
int hr;
hr = m_itg.SetMediaTypeForVB(0);
DESError.ThrowExceptionForHR(hr);
}
private void TestBlob()
{
int hr;
IntPtr ip;
int i;
IntPtr ip2;
int i2;
hr = m_ips.SaveToBlob(out i, out ip);
DESError.ThrowExceptionForHR(hr);
hr = m_ips.ClearProps();
hr = m_ips.SaveToBlob(out i2, out ip2);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(i2 == 4, "Mostly empty blob");
Marshal.FreeCoTaskMem(ip2);
hr = m_ips.LoadFromBlob(i, ip);
DESError.ThrowExceptionForHR(hr);
hr = m_ips.SaveToBlob(out i2, out ip2);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(i == i2, "Save/Restore blob");
Marshal.FreeCoTaskMem(ip);
Marshal.FreeCoTaskMem(ip2);
}
private void TestRecompFormatFromSource()
{
int hr;
bool b;
IAMTimelineObj pFirst;
hr = m_pTimeline.CreateEmptyNode(out pFirst, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
hr = pFirst.SetStartStop(0, 10000000000);
DESError.ThrowExceptionForHR(hr);
IAMTimelineSrc pFirstSrc = (IAMTimelineSrc)pFirst;
hr = pFirstSrc.SetMediaTimes(0, 10000000000);
// Put in the file name
hr = pFirstSrc.SetMediaName("foo.avi");
DESError.ThrowExceptionForHR(hr);
hr = m_itg.IsSmartRecompressFormatSet(out b);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(b == false, "IsSmart");
hr = m_itg.SetRecompFormatFromSource(pFirstSrc);
DESError.ThrowExceptionForHR(hr);
hr = m_itg.IsSmartRecompressFormatSet(out b);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(b == true, "IsSmart2");
}
public static long GetLength(string fileName)
{
int hr;
double d;
long i;
var imd = (IMediaDet) new MediaDet();
// Set the name
hr = imd.put_Filename(fileName);
DESError.ThrowExceptionForHR(hr);
// Read from stream zero
hr = imd.put_CurrentStream(0);
DESError.ThrowExceptionForHR(hr);
// Get the length in seconds
hr = imd.get_StreamLength(out d);
DESError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(imd);
// Convert to Units
i = (long)(d * TimelineBuilder.Units);
return(i);
}
/// <summary>
/// Return the length of the media file
/// </summary>
/// <returns>Length in 100NS</returns>
private long GetLength()
{
int hr;
double d;
long i;
IMediaDet imd = (IMediaDet) new MediaDet();
// Set the name
hr = imd.put_Filename(m_FileName);
DESError.ThrowExceptionForHR(hr);
// Read from stream zero
hr = imd.put_CurrentStream(0);
DESError.ThrowExceptionForHR(hr);
// Get the length in seconds
hr = imd.get_StreamLength(out d);
DESError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(imd);
// Convert to UNITS
i = (long)(d * DESCombine.UNITS);
return(i);
}
private void TestFix2()
{
const double START = 123.456;
const double END = 234.567;
int hr;
double i1, i2;
IAMTimelineObj pSource1Obj;
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
hr = pSource1Obj.SetStartStop2(START, END);
DESError.ThrowExceptionForHR(hr);
hr = pSource1Obj.GetStartStop2(out i1, out i2);
DESError.ThrowExceptionForHR(hr);
hr = m_VideoTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
hr = pSource1Obj.FixTimes2(ref i1, ref i2);
DESError.ThrowExceptionForHR(hr);
Debug.Assert((int)(i1 * 10) == 1234 && (int)(i2 * 10) == 2345, "fix2");
}
public static void GetImageFromMedia(string mediaFile, string outImageFile, double time)
{
int hr;
IMediaDet imd = (IMediaDet) new MediaDet();
try
{
int width = 200;
int height = 200;
// Set the name
hr = imd.put_Filename(mediaFile);
DESError.ThrowExceptionForHR(hr);
// Read from stream to get video size
AMMediaType mediaType = new AMMediaType();
imd.get_StreamMediaType(mediaType);
VideoInfoHeader infoHeader = (VideoInfoHeader)Marshal.PtrToStructure(mediaType.formatPtr, typeof(VideoInfoHeader));
width = infoHeader.BmiHeader.Width;
height = infoHeader.BmiHeader.Height;
// Get the length in seconds
hr = imd.WriteBitmapBits(time, width, height, outImageFile);
DESError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(imd);
}
catch
{
Marshal.ReleaseComObject(imd);
}
}
public static bool IsVideo(IPin pin)
{
if (pin == null)
{
throw new ArgumentNullException("pin");
}
int hr;
bool bRet = false;
var pmt = new AMMediaType[1];
IEnumMediaTypes ppEnum;
IntPtr i = IntPtr.Zero;
// Walk the MediaTypes for the pin
hr = pin.EnumMediaTypes(out ppEnum);
DESError.ThrowExceptionForHR(hr);
try
{
// Just read the first one
hr = ppEnum.Next(1, pmt, i);
DESError.ThrowExceptionForHR(hr);
bRet = pmt[0].majorType == MediaType.Video;
}
finally
{
Marshal.ReleaseComObject(ppEnum);
}
DsUtils.FreeAMMediaType(pmt[0]);
return(bRet);
}
private void TestConnect()
{
int hr;
hr = m_ire.ConnectFrontEnd();
DESError.ThrowExceptionForHR(hr);
}
