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_MarlinTrackDecrypter AP4_OmaDcfTrackDecrypter

List of all members.

Public Member Functions

virtual ~TrackHandler ()
 Default destructor.
virtual AP4_Size GetProcessedSampleSize (AP4_Sample &sample)
 Returns the size of a sample after processing.
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_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 82 of file Ap4Processor.h.


Constructor & Destructor Documentation

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

Default destructor.

Definition at line 87 of file Ap4Processor.h.


Member Function Documentation

virtual AP4_Size AP4_Processor::TrackHandler::GetProcessedSampleSize ( AP4_Sample sample  )  [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_MarlinTrackDecrypter, 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 100 of file Ap4Processor.h.

References AP4_SUCCESS.

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_MarlinTrackDecrypter, and AP4_OmaDcfTrackDecrypter.


The documentation for this class was generated from the following file:

Generated on Mon Sep 29 10:53:50 2008 for Bento4 MP4 SDK by  doxygen 1.5.6