MTSDecoderTSDemux Class Reference

MPEG-TS (MTS) decoder. Extracts the AAC audio data from a MPEG-TS (MTS) data stream. You can define the relevant stream types via the API. Required dependency: https://github.com/pschatzmann/arduino-tsdemux. More...

#include <CodecTSDemux.h>

Inheritance diagram for MTSDecoderTSDemux:

Public Member Functions
	MTSDecoderTSDemux ()
	MTSDecoderTSDemux (AudioDecoder &dec)
virtual void	addNotifyAudioChange (AudioInfoSupport &bi)
	Adds target to be notified about audio changes.
void	addStreamType (TSDPMTStreamType type)
AudioInfo	audioInfo () override
	provides the actual input AudioInfo
virtual AudioInfo	audioInfoOut ()
bool	begin () override
virtual bool	begin (AudioInfo info) override
virtual void	clearNotifyAudioChange ()
	Deletes all change notify subscriptions.
void	clearStreamTypes ()
void	end () override
void	flush ()
Print *	getOutput ()
bool	isNotifyActive ()
	Checks if the automatic AudioInfo update is active.
virtual bool	isResultPCM ()
	Returns true to indicate that the decoding result is PCM data.
bool	isStreamTypeActive (TSDPMTStreamType type)
const char *	mime ()
virtual	operator bool () override
virtual bool	removeNotifyAudioChange (AudioInfoSupport &bi)
	Removes a target in order not to be notified about audio changes.
void	resizeBuffer (int size)
	Set a new write buffer size (default is 2000)
void	setAudioInfo (AudioInfo from) override
	for most decoders this is not needed
virtual bool	setCodecConfig (const uint8_t *data, size_t len)
	Some decoders need e.g. a magic cookie to provide the relevant info for decoding.
void	setMemoryAllocationLogging (bool flag)
	Activate logging for memory allocations.
void	setNotifyActive (bool flag)
	Deactivate/Reactivate automatic AudioInfo updates: (default is active)
void	setOutput (AudioOutput &out_stream) override
	Defines where the decoded result is written to.
void	setOutput (AudioStream &out_stream) override
	Defines where the decoded result is written to.
void	setOutput (Print &out_stream) override
	Defines where the decoded result is written to.
size_t	write (const uint8_t *data, size_t len) override

Public Attributes
int	id
	custom id to be used by application

Protected Member Functions
void	add_print_pid (TSDProgramElement *prog, TSDPMTStreamType type)
void	demux (int limit)
const char *	descriptor_tag_to_str (uint8_t tag)
void	event_cb_local (TSDemuxContext *ctx, uint16_t pid, TSDEventId event_id, void *data)
bool	is_new_file (uint8_t *data)
	Determines if we are at the beginning of a new file.
void	logResult (TSDCode code)
void	notifyAudioChange (AudioInfo info)
void	print_descriptor_info (TSDDescriptor *desc)
void	print_pat (TSDemuxContext *ctx, void *data)
void	print_pmt (TSDemuxContext *ctx, void *data)
void	set_write_active (bool flag)
const char *	stream_type_to_str (TSDPESStreamId stream_id)
void	writeBlocking (Print *out, uint8_t *data, size_t len)

Static Protected Member Functions
static void	event_cb (TSDemuxContext *ctx, uint16_t pid, TSDEventId event_id, void *data)
static void *	log_calloc (size_t num, size_t size)
static void	log_free (void *mem)
static void *	log_malloc (size_t size)
static void *	log_realloc (void *ptr, size_t size)

Protected Attributes
Vector< AllocSize >	alloc_vector
SingleBuffer< uint8_t >	buffer { 2000 }
TSDemuxContext	ctx
AudioInfo	info
bool	is_active = false
bool	is_alloc_active = false
bool	is_notify_active = true
bool	is_write_active = false
Vector< AudioInfoSupport * >	notify_vector
AudioDecoder *	p_dec = nullptr
Print *	p_print = nullptr
uint16_t	print_pids [(16)] = {0}
Vector< TSDPMTStreamType >	stream_types
int	underflowLimit = 188

Static Protected Attributes
static MTSDecoderTSDemux *	self = nullptr

Detailed Description

MPEG-TS (MTS) decoder. Extracts the AAC audio data from a MPEG-TS (MTS) data stream. You can define the relevant stream types via the API. Required dependency: https://github.com/pschatzmann/arduino-tsdemux.

Author

Phil Schatzmann

Copyright

GPLv3

Constructor & Destructor Documentation

MTSDecoderTSDemux() [1/2]

MTSDecoderTSDemux ( )

inline

MTSDecoderTSDemux() [2/2]

MTSDecoderTSDemux ( AudioDecoder &  dec )

inline

Member Function Documentation

add_print_pid()

void add_print_pid ( TSDProgramElement *  prog, TSDPMTStreamType  type  )

inlineprotected

addNotifyAudioChange()

virtual void addNotifyAudioChange ( AudioInfoSupport &  bi )

inlinevirtualinherited

Adds target to be notified about audio changes.

Reimplemented in CodecNOP, EncodedAudioOutput, EncodedAudioStream, AACDecoderFDK, DecoderBasic, CodecChain, MP3DecoderHelix, MP3DecoderMAD, OggContainerDecoder, RTSPClient< TcpClient, UdpSocket >, Pipeline, and Pipeline::ModifyingStreamAdapter.

addStreamType()

void addStreamType ( TSDPMTStreamType  type )

inline

audioInfo()

AudioInfo audioInfo ( )

inlineoverridevirtualinherited

provides the actual input AudioInfo

Implements AudioInfoSupport.

Reimplemented in CodecNOP, DecoderBasic, DSFDecoder, MP3DecoderHelix, MP3DecoderMAD, OpusAudioDecoder, VorbisDecoder, WAVDecoder, WavIMADecoder, OggContainerDecoder, and VorbisDecoder.

audioInfoOut()

virtual AudioInfo audioInfoOut ( )

inlinevirtualinherited

provides the actual output AudioInfo: this is usually the same as audioInfo() unless we use a transforming stream

Reimplemented in PureDataStream, PWMAudioOutput, ChannelFormatConverterStreamT< T >, ChannelFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, NumberFormatConverterStream, FormatConverterStream, Pipeline, ResampleStream, and ResampleStreamT< TInterpolator >.

begin() [1/2]

bool begin ( )

inlineoverridevirtual

Reimplemented from AudioDecoder.

begin() [2/2]

virtual bool begin ( AudioInfo  info )

inlineoverridevirtualinherited

Reimplemented from AudioWriter.

Reimplemented in DecoderBasic, and OggContainerDecoder.

clearNotifyAudioChange()

virtual void clearNotifyAudioChange ( )

inlinevirtualinherited

Deletes all change notify subscriptions.

Reimplemented in RTSPClient< TcpClient, UdpSocket >.

clearStreamTypes()

void clearStreamTypes ( )

inline

demux()

void demux ( int  limit )

inlineprotected

descriptor_tag_to_str()

const char * descriptor_tag_to_str ( uint8_t  tag )

inlineprotected

end()

void end ( )

inlineoverridevirtual

Reimplemented from AudioDecoder.

event_cb()

static void event_cb ( TSDemuxContext *  ctx, uint16_t  pid, TSDEventId  event_id, void *  data  )

inlinestaticprotected

event_cb_local()

void event_cb_local ( TSDemuxContext *  ctx, uint16_t  pid, TSDEventId  event_id, void *  data  )

inlineprotected

flush()

void flush ( )

inline

getOutput()

Print * getOutput ( )

inlineinherited

is_new_file()

bool is_new_file ( uint8_t *  data )

inlineprotected

Determines if we are at the beginning of a new file.

isNotifyActive()

bool isNotifyActive ( )

inlineinherited

Checks if the automatic AudioInfo update is active.

isResultPCM()

virtual bool isResultPCM ( )

inlinevirtualinherited

Returns true to indicate that the decoding result is PCM data.

Reimplemented in CopyDecoder, DecoderNetworkFormat, and ContainerM4A.

isStreamTypeActive()

bool isStreamTypeActive ( TSDPMTStreamType  type )

inline

log_calloc()

static void * log_calloc ( size_t  num, size_t  size  )

inlinestaticprotected

log_free()

static void log_free ( void *  mem )

inlinestaticprotected

log_malloc()

static void * log_malloc ( size_t  size )

inlinestaticprotected

log_realloc()

static void * log_realloc ( void *  ptr, size_t  size  )

inlinestaticprotected

logResult()

void logResult ( TSDCode  code )

inlineprotected

mime()

const char * mime ( )

inline

notifyAudioChange()

void notifyAudioChange ( AudioInfo  info )

inlineprotectedinherited

operator bool()

virtual operator bool ( )

inlineoverridevirtual

Implements AudioWriter.

print_descriptor_info()

void print_descriptor_info ( TSDDescriptor *  desc )

inlineprotected

print_pat()

void print_pat ( TSDemuxContext *  ctx, void *  data  )

inlineprotected

print_pmt()

void print_pmt ( TSDemuxContext *  ctx, void *  data  )

inlineprotected

removeNotifyAudioChange()

virtual bool removeNotifyAudioChange ( AudioInfoSupport &  bi )

inlinevirtualinherited

Removes a target in order not to be notified about audio changes.

Reimplemented in RTSPClient< TcpClient, UdpSocket >.

resizeBuffer()

void resizeBuffer ( int  size )

inline

Set a new write buffer size (default is 2000)

set_write_active()

void set_write_active ( bool  flag )

inlineprotected

setAudioInfo()

void setAudioInfo ( AudioInfo  from )

inlineoverridevirtualinherited

for most decoders this is not needed

Implements AudioWriter.

Reimplemented in DecoderALAC, CodecChain, DSFDecoder, DecoderL8, OpusAudioDecoder, CodecNOP, and G7xxDecoder.

setCodecConfig()

virtual bool setCodecConfig ( const uint8_t *  data, size_t  len  )

inlinevirtualinherited

Some decoders need e.g. a magic cookie to provide the relevant info for decoding.

Reimplemented in DecoderALAC, and MultiDecoder.

setMemoryAllocationLogging()

void setMemoryAllocationLogging ( bool  flag )

inline

Activate logging for memory allocations.

setNotifyActive()

void setNotifyActive ( bool  flag )

inlineinherited

Deactivate/Reactivate automatic AudioInfo updates: (default is active)

setOutput() [1/3]

void setOutput ( AudioOutput &  out_stream )

inlineoverridevirtual

Defines where the decoded result is written to.

Reimplemented from AudioDecoder.

setOutput() [2/3]

void setOutput ( AudioStream &  out_stream )

inlineoverridevirtual

Defines where the decoded result is written to.

Reimplemented from AudioDecoder.

setOutput() [3/3]

void setOutput ( Print &  out_stream )

inlineoverridevirtual

Defines where the decoded result is written to.

Reimplemented from AudioDecoder.

stream_type_to_str()

const char * stream_type_to_str ( TSDPESStreamId  stream_id )

inlineprotected

write()

size_t write ( const uint8_t *  data, size_t  len  )

inlineoverridevirtual

Implements AudioWriter.

writeBlocking()

void writeBlocking ( Print *  out, uint8_t *  data, size_t  len  )

inlineprotectedinherited

Member Data Documentation

alloc_vector

Vector<AllocSize> alloc_vector

protected

buffer

SingleBuffer<uint8_t> buffer { 2000 }

protected

ctx

TSDemuxContext ctx

protected

id

int id

inherited

custom id to be used by application

info

AudioInfo info

protectedinherited

is_active

bool is_active = false

protected

is_alloc_active

bool is_alloc_active = false

protected

is_notify_active

bool is_notify_active = true

protectedinherited

is_write_active

bool is_write_active = false

protected

notify_vector

Vector<AudioInfoSupport*> notify_vector

protectedinherited

p_dec

AudioDecoder* p_dec = nullptr

protected

p_print

Print* p_print = nullptr

protectedinherited

print_pids

uint16_t print_pids[(16)] = {0}

protected

self

MTSDecoderTSDemux * self = nullptr

staticprotected

stream_types

Vector<TSDPMTStreamType> stream_types

protected

underflowLimit

int underflowLimit = 188

protected

---

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

• src/AudioTools/AudioCodecs/CodecTSDemux.h