public bool FindAudioInfo(ref WM_MEDIA_TYPE mediaType, ref WaveFormat waveFormat)
{
bool success = false;
IWMStreamConfig stream = null;
IWMMediaProps props = null;
Guid mediaTypeGuid;
IWMProfile profile = (IWMProfile)_reader;
for (uint i = 0; i < _readerStreamCount; i++)
{
profile.GetStream(i, out stream);
props = (IWMMediaProps)stream;
WMMediaProps mediaProps = new WMMediaProps(props);
mediaType = mediaProps.MediaType;
mediaTypeGuid = mediaType.majortype;
if (mediaTypeGuid == MediaTypes.WMMEDIATYPE_Audio)
{
Logger.WriteLogMessage("Found audio stream [" + i + "], format type [" + mediaType.formattype + "].");
waveFormat = (WaveFormat)Marshal.PtrToStructure(mediaType.pbFormat, typeof(WaveFormat));
success = true;
break;
}
}
return(success);
}
private void Config()
{
IWMWriter m_Writer;
IWMInputMediaProps pProps;
WMUtils.WMCreateWriter(IntPtr.Zero, out m_Writer);
m_Writer.SetProfileByID(g);
m_Writer.GetInputProps(0, out pProps);
m_Props = pProps as IWMMediaProps;
}
//------------------------------------------------------------------------------
// Name: CWMVCopy::GetProfileInfo()
// Desc: Gets the profile information from the reader.
//------------------------------------------------------------------------------
protected void GetProfileInfo()
{
IWMStreamConfig pStreamConfig = null;
IWMMediaProps pMediaProperty = null;
//
// Get the profile of the reader
//
m_pReaderProfile = m_pReader as IWMProfile;
//
// Get stream count
//
m_pReaderProfile.GetStreamCount(out m_dwStreamCount);
//
// Allocate memory for the stream type array and stream number array
//
m_pguidStreamType = new Guid[m_dwStreamCount];
m_pwStreamNumber = new short[m_dwStreamCount];
for (int i = 0; i < m_dwStreamCount; i++)
{
m_pReaderProfile.GetStream(i, out pStreamConfig);
try
{
//
// Get the stream number of the current stream
//
pStreamConfig.GetStreamNumber(out m_pwStreamNumber[i]);
//
// Set the stream to be received in compressed mode
//
m_pReaderAdvanced.SetReceiveStreamSamples(m_pwStreamNumber[i], true);
pMediaProperty = pStreamConfig as IWMMediaProps;
//
// Get the stream type of the current stream
//
pMediaProperty.GetType(out m_pguidStreamType[i]);
}
finally
{
Marshal.ReleaseComObject(pStreamConfig);
}
}
}
private void SetCutomProfile(int vidbitrate, int audbitrate, int vidheight, int vidwidth, double fps)
{
//seperate method atm braindump for adjusting an existing profile (prx file)
//method call is not enabled yet
IWMProfileManager profileManager = null;
IWMProfileManager2 profileManager2 = null;
IWMProfile profile = null;
IWMStreamConfig streamConfig;
//IWMInputMediaProps inputProps = null;
IWMProfileManagerLanguage profileManagerLanguage = null;
WMVersion wmversion = WMVersion.V8_0;
int nbrProfiles = 0;
short langID;
StringBuilder profileName = new StringBuilder(MAXLENPROFNAME);
StringBuilder profileDescription = new StringBuilder(MAXLENPROFDESC);
int profileNameLen = MAXLENPROFNAME;
int profileDescLen = MAXLENPROFDESC;
profileName.Length = 0;
profileDescription.Length = 0;
double videoFps = fps;
long singleFramePeriod = (long)((10000000L / fps));
//Guid guidInputType;
//int dwInputCount = 0;
int hr;
int videoBitrate = vidbitrate;
int audioBitrate = audbitrate;
int videoHeight = vidheight;
int videoWidth = vidwidth;
double videofps = fps;
int streamCount = 0;
IWMMediaProps streamMediaProps = null;
IntPtr mediaTypeBufferPtr = IntPtr.Zero;
uint mediaTypeBufferSize = 0;
Guid streamType = Guid.Empty;
WmMediaType videoMediaType = new WmMediaType();
//Set WMVIDEOHEADER
WMVIDEOINFOHEADER videoInfoHeader = new WMVIDEOINFOHEADER();
//Setup the profile manager
hr = WMLib.WMCreateProfileManager(out profileManager);
profileManager2 = (IWMProfileManager2)profileManager;
//Set profile version - possibly not needed in this case.
profileManager2.SetSystemProfileVersion(WMVersion.V8_0);
//get the profile to modify
string strprofileType = Config.GetFile(Config.Dir.Base, @"Profiles\MPCustom.prx");
//read the profile contents
string profileContents = "";
using (StreamReader prx = new StreamReader(strprofileType))
{
profileContents = prx.ReadToEnd();
}
profileManager2 = profileManager as IWMProfileManager2;
profileManagerLanguage = profileManager as IWMProfileManagerLanguage;
hr = profileManager2.GetSystemProfileVersion(out wmversion);
Log.Info("DVRMS2WMV: WM version=" + wmversion.ToString());
hr = profileManagerLanguage.GetUserLanguageID(out langID);
Log.Info("DVRMS2WMV: WM language ID=" + langID.ToString());
hr = profileManager2.SetSystemProfileVersion(DefaultWMversion);
hr = profileManager2.GetSystemProfileCount(out nbrProfiles);
Log.Info("DVRMS2WMV: ProfileCount=" + nbrProfiles.ToString());
//load the profile contents
hr = profileManager.LoadProfileByData(profileContents, out profile);
//get the profile name
hr = profile.GetName(profileName, ref profileNameLen);
Log.Info("DVRMS2WMV: profile name {0}", profileName.ToString());
//get the profile description
hr = profile.GetDescription(profileDescription, ref profileDescLen);
Log.Info("DVRMS2WMV: profile description {0}", profileDescription.ToString());
//get the stream count
hr = profile.GetStreamCount(out streamCount);
for (int i = 0; i < streamCount; i++)
{
profile.GetStream(i, out streamConfig);
streamMediaProps = (IWMMediaProps)streamConfig;
streamConfig.GetStreamType(out streamType);
if (streamType == MediaType.Video)
{
//adjust the video details based on the user input values.
streamConfig.SetBitrate(videoBitrate);
streamConfig.SetBufferWindow(-1); //3 or 5 seconds ???
streamMediaProps.GetMediaType(IntPtr.Zero, ref mediaTypeBufferSize);
mediaTypeBufferPtr = Marshal.AllocHGlobal((int)mediaTypeBufferSize);
streamMediaProps.GetMediaType(mediaTypeBufferPtr, ref mediaTypeBufferSize);
Marshal.PtrToStructure(mediaTypeBufferPtr, videoMediaType);
Marshal.FreeHGlobal(mediaTypeBufferPtr);
Marshal.PtrToStructure(videoMediaType.pbFormat, videoInfoHeader);
videoInfoHeader.TargetRect.right = 0; // set to zero to take source size
videoInfoHeader.TargetRect.bottom = 0; // set to zero to take source size
videoInfoHeader.BmiHeader.Width = videoWidth;
videoInfoHeader.BmiHeader.Height = videoHeight;
videoInfoHeader.BitRate = videoBitrate;
videoInfoHeader.AvgTimePerFrame = singleFramePeriod; //Need to check how this is to be calculated
IntPtr vidInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(WMVIDEOINFOHEADER)));
Marshal.StructureToPtr(videoInfoHeader, vidInfoPtr, false);
videoMediaType.pbFormat = vidInfoPtr;
hr = streamMediaProps.SetMediaType(videoMediaType);
Marshal.FreeHGlobal(vidInfoPtr);
}
if (streamType == MediaType.Audio)
{
//adjust the audio details based on the user input
//audio is determined from bitrate selection and thus effects audio profile.
hr = streamConfig.SetBitrate(audioBitrate);
hr = streamConfig.SetBufferWindow(-1); //3 or 5 seconds ???
//TODO: set the WaveformatEx profile info etc
}
//recofigures the stream ready for saving
hr = profile.ReconfigStream(streamConfig);
}
//save the profile
//You should make two calls to SaveProfile.
//On the first call, pass NULL as pwszProfile.
int profileLength = 0;
hr = profileManager2.SaveProfile(profile, null, ref profileLength);
//On return, the value of pdwLength is set to the length required to hold the profile in string form.
//TODO: set memory buffer to profileLength
//Then you can allocate the required amount of memory for the buffer and pass a pointer to it as pwszProfile on the second call.
hr = profileManager2.SaveProfile(profile, profileContents, ref profileLength);
}
// Use IWMStreamConfig interface to access codec names
///////////////////////////////////////////////////////////////////////////////
void PrintCodecName(IWMStreamConfig pConfig)
{
IWMMediaProps pMediaProps = null;
pMediaProps = (IWMMediaProps)pConfig;
int cbType = 0;
pMediaProps.GetMediaType(null, ref cbType);
AMMediaType mt = new AMMediaType();
mt.formatSize = cbType;
pMediaProps.GetMediaType(mt, ref cbType);
try
{
//
// Audio Codec Names
//
if (mt.subType == MediaSubType.WMAudioV9)
{
Console.WriteLine("Codec Name: Windows Media Audio V9");
}
else if (mt.subType == MediaSubType.WMAudio_Lossless)
{
Console.WriteLine("Codec Name: Windows Media Audio V9 (Lossless Mode)");
}
else if (mt.subType == MediaSubType.WMAudioV7)
{
Console.WriteLine("Codec Name: Windows Media Audio V7/V8");
}
else if (mt.subType == MediaSubType.WMSP1)
{
Console.WriteLine("Codec Name: Windows Media Speech Codec V9");
}
else if (mt.subType == MediaSubType.WMAudioV2)
{
Console.WriteLine("Codec Name: Windows Media Audio V2");
}
else if (mt.subType == MediaSubType.ACELPnet)
{
Console.WriteLine("Codec Name: ACELP.net");
}
// Video Codec Names
//
else if (mt.subType == MediaSubType.WMV1)
{
Console.WriteLine("Codec Name: Windows Media Video V7");
}
else if (mt.subType == MediaSubType.MSS1)
{
Console.WriteLine("Codec Name: Windows Media Screen V7");
}
else if (mt.subType == MediaSubType.MSS2)
{
Console.WriteLine("Codec Name: Windows Media Screen V9");
}
else if (mt.subType == MediaSubType.WMV2)
{
Console.WriteLine("Codec Name: Windows Media Video V8");
}
else if (mt.subType == MediaSubType.WMV3)
{
Console.WriteLine("Codec Name: Windows Media Video V9");
}
else if (mt.subType == MediaSubType.MP43)
{
Console.WriteLine("Codec Name: Microsoft MPEG-4 Video Codec V3 ");
}
else if (mt.subType == MediaSubType.MP4S)
{
Console.WriteLine("Codec Name: ISO MPEG-4 Video V1");
}
else
{
Console.WriteLine("Codec Name: {0}", AMToString.MediaSubTypeToString(mt.subType));
}
Console.WriteLine();
}
finally
{
WMUtils.FreeWMMediaType(mt);
}
}
public WMMediaProps(IWMMediaProps mediaProps)
{
_mediaProps = mediaProps;
}
public WMMediaProps(IWMMediaProps mediaProps)
{
_mediaProps = mediaProps;
}
