private void TestOnStreamSelection()
{
IWMReader read;
m_StreamSelection = false;
m_Opened = false;
WMUtils.WMCreateReader(IntPtr.Zero, Rights.Playback, out read);
IWMReaderAdvanced ra = read as IWMReaderAdvanced;
ra.SetReceiveSelectionCallbacks(true);
read.Open(sFileName, this, new IntPtr(123));
while (!m_Opened)
{
System.Threading.Thread.Sleep(0);
}
ChangeSelected(ra);
while (!m_StreamSelection)
{
System.Threading.Thread.Sleep(1);
}
read.Stop();
read.Close();
}
private void TestAllocateForStream()
{
IWMReader read;
m_AllocateForStream = false;
m_Opened = false;
WMUtils.WMCreateReader(IntPtr.Zero, Rights.Playback, out read);
read.Open(sFileName, this, new IntPtr(123));
while (!m_Opened)
{
System.Threading.Thread.Sleep(0);
}
IWMReaderAdvanced ra = read as IWMReaderAdvanced;
ra.SetAllocateForStream(1, true);
ra.SetReceiveStreamSamples(1, true);
read.Start(0, 0, 1.0f, IntPtr.Zero);
while (!m_AllocateForStream)
{
System.Threading.Thread.Sleep(0);
}
read.Stop();
read.Close();
}
private void SetStreams(string sName)
{
// First find the mapping between the output name and
// the stream number
IWMProfile pProfile = m_pReader as IWMProfile;
int iCount;
pProfile.GetStreamCount(out iCount);
short[] sss = new short[iCount];
StreamSelection[] ss = new StreamSelection[iCount];
StringBuilder sSName;
for (short j = 0; j < iCount; j++)
{
IWMStreamConfig pConfig;
pProfile.GetStream(j, out pConfig);
try
{
pConfig.GetStreamNumber(out sss[j]);
short iSName = 0;
sSName = null;
pConfig.GetConnectionName(sSName, ref iSName);
sSName = new StringBuilder(iSName);
pConfig.GetConnectionName(sSName, ref iSName);
}
finally
{
Marshal.ReleaseComObject(pConfig);
}
// Turn the stream on or off depending on whether
// this is the one that matches the output we're
// looking for
if (sSName.ToString() == sName)
{
ss[j] = StreamSelection.On;
}
else
{
ss[j] = StreamSelection.Off;
}
}
// Use the array we've built to specify the streams we want
IWMReaderAdvanced ra = m_pReader as IWMReaderAdvanced;
ra.SetStreamsSelected((short)iCount, sss, ss);
// Learn the maximum sample size that will be send to OnSample
ra.GetMaxOutputSampleSize(m_dwAudioOutputNum, out m_MaxSampleSize);
// Have the Samples allocated using IWMReaderCallbackAdvanced::AllocateForOutput
ra.SetAllocateForOutput(m_dwAudioOutputNum, true);
}
private void Config()
{
IWMReader read;
WMUtils.WMCreateReader(IntPtr.Zero, 0, out read);
m_Opened = false;
read.Open(sFileName, this, new IntPtr(123));
m_read = read as IWMReaderAdvanced;
while (!m_Opened)
{
System.Threading.Thread.Sleep(0);
}
}
private void ChangeSelected(IWMReaderAdvanced ra)
{
short[] ss = new short[2];
ss[0] = 1;
ss[1] = 2;
StreamSelection[] sss = new StreamSelection[2];
if (m_loop == 0)
{
sss[0] = StreamSelection.Off;
sss[1] = StreamSelection.On;
m_loop = 1;
}
else
{
sss[1] = StreamSelection.Off;
sss[0] = StreamSelection.On;
m_loop = 0;
}
ra.SetStreamsSelected(2, ss, sss);
}
//------------------------------------------------------------------------------
// Name: CWMVCopy::Copy()
// Desc: Copies the input file to the output file. The script stream is moved
// to the header if fMoveScriptStream is true.
//------------------------------------------------------------------------------
public void Copy(
string pwszInputFile,
string pwszOutputFile,
long qwMaxDuration,
bool fMoveScriptStream)
{
//
// Initialize the pointers
//
m_hEvent = null;
m_pReader = null;
m_pReaderAdvanced = null;
m_pReaderHeaderInfo = null;
m_pReaderProfile = null;
m_pWriter = null;
m_pWriterAdvanced = null;
m_pWriterHeaderInfo = null;
m_dwStreamCount = 0;
m_pguidStreamType = null;
m_pwStreamNumber = null;
if (null == pwszInputFile || null == pwszOutputFile)
{
throw new COMException("Missing input or output file", E_InvalidArgument);
}
m_fMoveScriptStream = fMoveScriptStream;
m_qwMaxDuration = qwMaxDuration;
//
// Event for the asynchronous calls
//
m_hEvent = new AutoResetEvent(false);
//
// Create the Reader
//
CreateReader(pwszInputFile);
//
// Get profile information
//
GetProfileInfo();
//
// Create the Writer
//
CreateWriter(pwszOutputFile);
//
// Copy all attributes
//
CopyAttribute();
//
// Copy codec info
//
CopyCodecInfo();
//
// Copy all scripts in the header
//
CopyScriptInHeader();
//
// Process samples: read from the reader, and write to the writer
//
try
{
Process();
}
catch (Exception e)
{
int hr = Marshal.GetHRForException(e);
//
// Output some common error messages.
//
if (NSResults.E_VIDEO_CODEC_NOT_INSTALLED == hr)
{
Console.WriteLine("Processing samples failed: Video codec not installed");
}
if (NSResults.E_AUDIO_CODEC_NOT_INSTALLED == hr)
{
Console.WriteLine("Processing samples failed: Audio codec not installed");
}
else if (NSResults.E_INVALID_OUTPUT_FORMAT == hr)
{
Console.WriteLine("Processing samples failed: Invalid output format ");
}
else if (NSResults.E_VIDEO_CODEC_ERROR == hr)
{
Console.WriteLine("Processing samples failed: An unexpected error occurred with the video codec ");
}
else if (NSResults.E_AUDIO_CODEC_ERROR == hr)
{
Console.WriteLine("Processing samples failed: An unexpected error occurred with the audio codec ");
}
else
{
Console.WriteLine(string.Format("Processing samples failed: Error (hr=0x{0:x})", hr));
}
throw;
}
//
// Copy all scripts in m_ScriptList
//
CopyScriptInList(pwszOutputFile);
//
// Copy marker information
//
CopyMarker(pwszOutputFile);
Console.WriteLine("Copy finished.");
//
// Note: The output file is indexed automatically.
// You can use IWMWriterFileSink3::SetAutoIndexing(false) to disable
// auto indexing.
//
Dispose();
}
//------------------------------------------------------------------------------
// Name: CWMVCopy::CreateReader()
// Desc: Creates a reader and opens the source file using this reader.
//------------------------------------------------------------------------------
protected void CreateReader(string pwszInputFile)
{
Console.WriteLine("Creating the Reader...");
//
// Create a reader
//
WMUtils.WMCreateReader(IntPtr.Zero, 0, out m_pReader);
//
// Get the IWMReaderAdvanced interface
//
m_pReaderAdvanced = m_pReader as IWMReaderAdvanced;
//
// Get the IWMHeaderInfo interface of the reader
//
m_pReaderHeaderInfo = m_pReader as IWMHeaderInfo;
//
// Open the reader; use "this" as the callback interface.
//
m_pReader.Open(pwszInputFile, this, IntPtr.Zero);
//
// Wait until WMT_OPENED status message is received in OnStatus()
//
WaitForCompletion();
//
// Get the duration of the source file
//
short wStreamNumber = 0;
AttrDataType enumType;
short cbLength = 8; // sizeof(m_qwDuration);
byte[] b = new byte[cbLength];
m_pReaderHeaderInfo.GetAttributeByName(ref wStreamNumber,
Constants.g_wszWMDuration,
out enumType,
b,
ref cbLength);
m_qwDuration = BitConverter.ToInt64(b, 0);
if (m_qwDuration == 0)
{
throw new COMException("Duration is zero", E_InvalidArgument);
}
//
// Turn on the user clock
//
m_pReaderAdvanced.SetUserProvidedClock(true);
//
// Turn on manual stream selection, so we get all streams.
//
m_pReaderAdvanced.SetManualStreamSelection(true);
}
