cReassemblyBuffer Class Reference

Base class for stream reassembly buffers. More...

#include <pes.h>

Public Member Functions
virtual void	Push (const uint8_t *data, int size, int64_t pts)
virtual AVPacket *	PopAvPacket ()=0
bool	IsEmpty ()
size_t	GetSize ()
void	Reset ()
	Reset the reassembly buffer.
AVCodecID	GetCodec ()

Protected Member Functions
	cReassemblyBuffer (const char *identifier)
AVPacket *	PopAvPacket (int)
	Pop an AVPacket from the reassembly buffer.

Protected Attributes
AVCodecID	m_codec = AV_CODEC_ID_NONE
	detected codec ID
cPtsTrackingBuffer	m_buffer
	fragmentation buffer
int64_t	m_lastPoppedPts = AV_NOPTS_VALUE
	PTS of the last popped AVPacket.

Detailed Description

Base class for stream reassembly buffers.

Reassembles fragmented elementary streams into complete AVPackets. Handles codec detection and PTS tracking across fragments.

Definition at line 119 of file pes.h.

Constructor & Destructor Documentation

cReassemblyBuffer()

cReassemblyBuffer::cReassemblyBuffer ( const char *  identifier )

inlineprotected

Definition at line 128 of file pes.h.

Member Function Documentation

GetCodec()

AVCodecID cReassemblyBuffer::GetCodec ( )

inline

Definition at line 126 of file pes.h.

References m_codec.

Referenced by cSoftHdDevice::PlayAudio(), cSoftHdDevice::PlayVideoInternal(), TEST_CASE(), TEST_CASE(), TEST_CASE(), and TEST_CASE().

GetSize()

size_t cReassemblyBuffer::GetSize ( )

inline

Definition at line 124 of file pes.h.

References cPtsTrackingBuffer::GetSize(), and m_buffer.

Referenced by TEST_CASE(), TEST_CASE(), TEST_CASE(), TEST_CASE(), and TEST_CASE().

IsEmpty()

bool cReassemblyBuffer::IsEmpty ( )

inline

Definition at line 123 of file pes.h.

References cPtsTrackingBuffer::GetSize(), and m_buffer.

Referenced by cSoftHdDevice::PlayVideoInternal().

PopAvPacket() [1/2]

virtual AVPacket * cReassemblyBuffer::PopAvPacket ( )

pure virtual

Implemented in cReassemblyBufferVideo, and cReassemblyBufferAudio.

Referenced by cReassemblyBufferVideo::PopAvPacket(), and cReassemblyBufferAudio::PopAvPacket().

PopAvPacket() [2/2]

AVPacket * cReassemblyBuffer::PopAvPacket ( int  size )

protected

Pop an AVPacket from the reassembly buffer.

Creates an AVPacket containing the specified amount of data from the buffer.

Parameters

size	Number of bytes to pop from the buffer

Returns

Allocated AVPacket with data, or nullptr if size is 0

Definition at line 351 of file pes.cpp.

References AV_NOPTS_VALUE, cPtsTrackingBuffer::Erase(), cPtsTrackingBuffer::GetPts(), LOGFATAL, m_buffer, m_lastPoppedPts, and cPtsTrackingBuffer::Peek().

Push()

virtual void cReassemblyBuffer::Push ( const uint8_t *  data, int  size, int64_t  pts  )

inlinevirtual

Definition at line 121 of file pes.h.

References m_buffer, and cPtsTrackingBuffer::Push().

Referenced by cSoftHdDevice::PlayAudio(), cSoftHdDevice::PlayVideoInternal(), TEST_CASE(), TEST_CASE(), TEST_CASE(), TEST_CASE(), TEST_CASE(), and TEST_CASE().

Reset()

void cReassemblyBuffer::Reset

(

)

Reset the reassembly buffer.

Clears all buffered data, PTS tracking, and resets codec detection state.

Definition at line 616 of file pes.cpp.

References AV_NOPTS_VALUE, m_buffer, m_codec, m_lastPoppedPts, and cPtsTrackingBuffer::Reset().

Referenced by cSoftHdDevice::Clear(), cSoftHdDevice::ClearAudio(), cSoftHdDevice::OnEnteringState(), cSoftHdDevice::PlayAudio(), cSoftHdDevice::PlayVideoInternal(), and cSoftHdDevice::ResetPipStream().

Member Data Documentation

m_buffer

cPtsTrackingBuffer cReassemblyBuffer::m_buffer

protected

fragmentation buffer

Definition at line 131 of file pes.h.

Referenced by cReassemblyBufferAudio::FindTwoConsecutiveFramesWithSameSyncWord(), GetSize(), IsEmpty(), cReassemblyBufferVideo::PopAvPacket(), cReassemblyBufferAudio::PopAvPacket(), PopAvPacket(), Push(), Reset(), and cReassemblyBufferAudio::TruncateBufferUntilFirstValidData().

m_codec

AVCodecID cReassemblyBuffer::m_codec = AV_CODEC_ID_NONE

protected

detected codec ID

Definition at line 130 of file pes.h.

Referenced by GetCodec(), cReassemblyBufferVideo::ParseCodecHeader(), cReassemblyBufferAudio::PopAvPacket(), and Reset().

m_lastPoppedPts

int64_t cReassemblyBuffer::m_lastPoppedPts = AV_NOPTS_VALUE

protected

PTS of the last popped AVPacket.

Definition at line 132 of file pes.h.

Referenced by PopAvPacket(), and Reset().

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

• pes.h
• pes.cpp