Bento4 MP4 SDK: AP4_Processor::TrackHandler Class Reference

Bento4 MP4 SDK

previous page next page

AP4_Processor::TrackHandler Class Reference

Abstract class that defines the interface implemented by concrete track handlers. More...

#include <Ap4Processor.h>

Inheritance diagram for AP4_Processor::TrackHandler:
AP4_IsmaTrackDecrypter AP4_MarlinIpmpTrackDecrypter AP4_MarlinIpmpTrackEncrypter AP4_OmaDcfTrackDecrypter

List of all members.

Public Member Functions

virtual ~TrackHandler ()
 Default destructor.
virtual AP4_Result ProcessTrack ()
 A track handler may override this method if it needs to modify the track atoms before processing the track samples.
virtual AP4_Size GetProcessedSampleSize (AP4_Sample &sample)
 Returns the size of a sample after processing.
virtual AP4_Result ProcessSample (AP4_DataBuffer &data_in, AP4_DataBuffer &data_out)=0
 Process the data of one sample.

Detailed Description

Abstract class that defines the interface implemented by concrete track handlers.

A track handler is responsible for processing a track and its media samples.

Definition at line 83 of file Ap4Processor.h.

Constructor & Destructor Documentation

virtual AP4_Processor::TrackHandler::~TrackHandler (  )  [inline, virtual]

Default destructor.

Definition at line 88 of file Ap4Processor.h.

Member Function Documentation

virtual AP4_Size AP4_Processor::TrackHandler::GetProcessedSampleSize ( AP4_Sample &  sample  )  [inline, virtual]

Returns the size of a sample after processing.

Parameters:
sample Sample of which the processed size is requested.
Returns:
Size of the sample data after processing.

Reimplemented in AP4_IsmaTrackDecrypter, AP4_MarlinIpmpTrackDecrypter, AP4_MarlinIpmpTrackEncrypter, and AP4_OmaDcfTrackDecrypter.

Definition at line 101 of file Ap4Processor.h.

References AP4_Sample::GetSize().

virtual AP4_Result AP4_Processor::TrackHandler::ProcessSample ( AP4_DataBuffer &  data_in,
AP4_DataBuffer &  data_out 
) [pure virtual]

Process the data of one sample.

Parameters:
data_in Data buffer with the data of the sample to process.
data_out Data buffer in which the processed sample data is returned.

Implemented in AP4_IsmaTrackDecrypter, AP4_MarlinIpmpTrackDecrypter, AP4_MarlinIpmpTrackEncrypter, and AP4_OmaDcfTrackDecrypter.

virtual AP4_Result AP4_Processor::TrackHandler::ProcessTrack (  )  [inline, virtual]

A track handler may override this method if it needs to modify the track atoms before processing the track samples.

Reimplemented in AP4_IsmaTrackDecrypter, and AP4_OmaDcfTrackDecrypter.

Definition at line 94 of file Ap4Processor.h.

References AP4_SUCCESS.

The documentation for this class was generated from the following file:
Generated on Thu May 13 16:37:44 2010 for Bento4 MP4 SDK by  doxygen 1.6.3
previous page start next page