private void TestAttr() { short w1, w2, w3; short iIndex; const string v = "ItzaString"; m_head.GetAttributeCountEx(0, out w1); byte[] b = Encoding.Unicode.GetBytes(v); m_head.AddAttribute(0, "asdf", out iIndex, AttrDataType.STRING, 0, b, b.Length); m_head.GetAttributeCountEx(0, out w2); Debug.Assert(w2 == w1 + 1); short pNLen = 0; int pDLen = 0; AttrDataType pType; short pLang; m_head.GetAttributeByIndexEx(0, w1, null, ref pNLen, out pType, out pLang, null, ref pDLen); byte[] bb = new byte[pDLen]; m_head.GetAttributeByIndexEx(0, w1, null, ref pNLen, out pType, out pLang, bb, ref pDLen); string ss = Encoding.Unicode.GetString(bb, 0, pDLen - 2); StringBuilder sbName = new StringBuilder(pNLen); byte[] bb2 = new byte[pDLen]; m_head.GetAttributeByIndexEx(0, w1, sbName, ref pNLen, out pType, out pLang, bb2, ref pDLen); Debug.Assert(sbName.ToString() == "asdf" && pType == AttrDataType.STRING && pLang == 0 && v == Encoding.Unicode.GetString(bb2, 0, v.Length * 2)); byte[] wm3 = BitConverter.GetBytes(4144);; m_head.ModifyAttribute(0, w1, AttrDataType.DWORD, 0, wm3, 4); byte[] bb4 = new byte[pDLen]; m_head.GetAttributeByIndexEx(0, w1, null, ref pNLen, out pType, out pLang, bb4, ref pDLen); Debug.Assert(BitConverter.ToInt32(bb4, 0) == 4144); m_head.DeleteAttribute(0, w1); m_head.GetAttributeCountEx(0, out w3); Debug.Assert(w3 == w1); }
void ConfigureASFWriter(WMAsfWriter asf_filter, WTVStreamingVideoRequest strq, FrameSize SourceFrameSize) { int hr; // Now it's added to the graph, configure it with the selected WM Profile SendDebugMessage("Getting WM profile with quality of " + strq.Quality.ToString(), 0); WindowsMediaLib.IWMProfileManager profileManager; WMUtils.WMCreateProfileManager(out profileManager); IWMProfile wmProfile; string txtPrxProfile = getPRXProfileForQuality(strq.Quality); if (!(string.IsNullOrEmpty(txtPrxProfile))) { SendDebugMessage("Adjusting WM profile to fit video within designated frame size", 0); // SET VIDEO SIZE TO FIT WITHIN THE RIGHT FRAME SendDebugMessage("Source video size is " + SourceFrameSize.ToString(), 0); FrameSize containerSize = frameSizeForStreamRequest(strq); SendDebugMessage("Container size is " + containerSize.ToString(), 0); FrameSize newVideoSize = new FrameSize(SourceFrameSize, containerSize); SendDebugMessage("Output size is " + newVideoSize.ToString(), 0); SetProfileFrameSize(ref txtPrxProfile, newVideoSize); SetProfileCustomSettings(ref txtPrxProfile, ref strq); // returns immediately if not custom quality SendDebugMessage("Configuring ASF Writer with profile", 0); profileManager.LoadProfileByData(txtPrxProfile, out wmProfile); WindowsMediaLib.IConfigAsfWriter configWriter = (WindowsMediaLib.IConfigAsfWriter)asf_filter; configWriter.ConfigureFilterUsingProfile(wmProfile); configWriter.SetIndexMode(true); // yes index - DEFAULT /* Additional config - TEST * //DirectShowLib.IConfigAsfWriter2 configAsfWriter2 = (DirectShowLib.IConfigAsfWriter2)asf_filter; * //configAsfWriter2.SetParam(ASFWriterConfig.AutoIndex, 0, 0); // IT IS DEFAULT */ // (NOT WORKING) // SET ANAMORPHIC VIDEO MARKERS WITHIN STREAM (ASPECT RATIO) ******************************* UInt32 uiAspectX = (UInt32)SourceFrameSize.Width; byte[] bAspectX = BitConverter.GetBytes(uiAspectX); UInt32 uiAspectY = (UInt32)SourceFrameSize.Height; byte[] bAspectY = BitConverter.GetBytes(uiAspectY); DirectShowLib.IServiceProvider pServiceProvider; // http://msdn.microsoft.com/en-us/library/dd390985%28VS.85%29.aspx pServiceProvider = (DirectShowLib.IServiceProvider)asf_filter; DsGuid dsgIWMHeaderinfo = DsGuid.FromGuid(new Guid(GUIDs.IWMWriterAdvanced2)); object o3 = null; hr = pServiceProvider.QueryService(dsgIWMHeaderinfo, dsgIWMHeaderinfo, out o3); // FAILS IN A STA THREAD DsError.ThrowExceptionForHR(hr); IWMHeaderInfo headerinfo = (IWMHeaderInfo)o3; // Get access to WMwriterAdvanced2 object using pServiceProvider (poss not futureproof) (see http://groups.google.com/group/microsoft.public.win32.programmer.directx.video/browse_thread/thread/36b154d41cb76ffd/c571d6ef56de11af?#c571d6ef56de11af ) DsGuid dsgWMwriterAdvanced2 = DsGuid.FromGuid(new Guid(GUIDs.IWMWriterAdvanced2)); object o = null; hr = pServiceProvider.QueryService(dsgWMwriterAdvanced2, dsgWMwriterAdvanced2, out o); // FAILS IN A STA THREAD DsError.ThrowExceptionForHR(hr); IWMWriterAdvanced2 WMWriterAdvanced2 = null; WMWriterAdvanced2 = (IWMWriterAdvanced2)o; // Get Access to IWMHeaderInfo3 through WMWriterAdvanced2 object o2 = null; //pServiceProvider = (DirectShowLib.IServiceProvider)WMWriterAdvanced2; DsGuid dsgIWMHeaderInfo3 = DsGuid.FromGuid(new Guid(GUIDs.IWMHeaderInfo3)); hr = pServiceProvider.QueryService(dsgWMwriterAdvanced2, dsgIWMHeaderInfo3, out o2); // LET'S SEE DsError.ThrowExceptionForHR(hr); IWMHeaderInfo3 WMHeaderInfo3 = null; WMHeaderInfo3 = (IWMHeaderInfo3)o2; short pwIndex; // Add Aspect Ratio information WMHeaderInfo3.AddAttribute(2, "AspectRatioX", out pwIndex, AttrDataType.DWORD, 0, bAspectX, bAspectX.Length); WMHeaderInfo3.AddAttribute(2, "AspectRatioY", out pwIndex, AttrDataType.DWORD, 0, bAspectY, bAspectY.Length); // Try with other interface too headerinfo.SetAttribute(2, "AspectRatioX", AttrDataType.DWORD, bAspectX, Convert.ToInt16(bAspectX.Length)); headerinfo.SetAttribute(2, "AspectRatioY", AttrDataType.DWORD, bAspectY, Convert.ToInt16(bAspectY.Length)); // ************ DEINTERLACE (experimental) if (strq.DeInterlaceMode > 0) { DeInterlaceModes dimode = DeInterlaceModes.WM_DM_NOTINTERLACED; // Deinterlace Mode if (strq.DeInterlaceMode == 1) { dimode = DeInterlaceModes.WM_DM_DEINTERLACE_NORMAL; } else if (strq.DeInterlaceMode == 2) { dimode = DeInterlaceModes.WM_DM_DEINTERLACE_HALFSIZE; } // Index of video pin int pinIndex = FilterGraphTools.FindPinIndexByMediaType(currentOutputFilter, PinDirection.Input, MediaType.Video, MediaSubType.Null); byte[] bDiMode = BitConverter.GetBytes((int)dimode); short szOf = (short)bDiMode.Length; // Set to use deinterlace mode try { WMWriterAdvanced2.SetInputSetting(pinIndex, g_wszDeinterlaceMode, AttrDataType.DWORD, bDiMode, szOf); } catch (Exception ex) { SendDebugMessageWithException("Could not set interlace mode:", ex); } } } else { SendDebugMessage("Warning - PRX Profile string was empty; using default WM config."); } }