HLSReader Class Reference

#include <libmythtv/recorders/HLS/HLSReader.h>

Collaboration diagram for HLSReader:

Public Types
using	StreamContainer = QMap< QString, HLSRecStream * >
using	SegmentContainer = QVector< HLSRecSegment >

Public Member Functions
	HLSReader (int inputId)
	~HLSReader (void)
bool	Open (const QString &m3u, int bitrate_index=0)
void	Close (bool quiet=false)
qint64	Read (uint8_t *buffer, qint64 len)
void	Throttle (bool val)
bool	IsThrottled (void) const
bool	IsOpen (const QString &url) const
bool	FatalError (void) const
bool	LoadMetaPlaylists (MythSingleDownload &downloader)
void	ResetStream (void)
void	ResetSequence (void)
QString	StreamURL (void) const

Static Public Member Functions
static void	CancelURL (const QString &url)
static void	CancelURL (const QStringList &urls)
static bool	IsValidPlaylist (QTextStream &text)

Protected Member Functions
void	Cancel (bool quiet=false)
bool	LoadSegments (MythSingleDownload &downloader)
uint	PercentBuffered (void) const
std::chrono::seconds	TargetDuration (void) const
void	AllowPlaylistSwitch (void)
void	PlaylistGood (void)
void	PlaylistRetrying (void)
int	PlaylistRetryCount (void) const

Private Member Functions
bool	ParseM3U8 (const QByteArray &buffer, HLSRecStream *stream=nullptr)
void	DecreaseBitrate (int progid)
void	IncreaseBitrate (int progid)
int	DownloadSegmentData (MythSingleDownload &downloader, HLSRecStream *hls, HLSRecSegment &segment, int playlist_size)
void	EnableDebugging (void)

Private Attributes
QString	m_m3u8
QString	m_segmentBase
StreamContainer	m_streams
SegmentContainer	m_segments
HLSRecStream *	m_curstream {nullptr}
int64_t	m_curSeq {-1}
int	m_bitrateIndex {0}
bool	m_fatal {false}
bool	m_cancel {false}
bool	m_throttle {true}
bool	m_aesMsg {false}
HLSPlaylistWorker *	m_playlistWorker {nullptr}
HLSStreamWorker *	m_streamWorker {nullptr}
int	m_playlistSize {0}
bool	m_bandwidthCheck {false}
uint	m_prebufferCnt {10}
QMutex	m_seqLock
QMutex	m_streamLock
QMutex	m_workerLock
QMutex	m_throttleLock
QWaitCondition	m_throttleCond
bool	m_debug {false}
int	m_debugCnt {0}
int	m_slowCnt {0}
QByteArray	m_buffer
QMutex	m_bufLock
int	m_inputId {0}

Friends
class	HLSStreamWorker
class	HLSPlaylistWorker

Detailed Description

Definition at line 34 of file HLSReader.h.

Member Typedef Documentation

StreamContainer

using HLSReader::StreamContainer = QMap<QString, HLSRecStream* >

Definition at line 40 of file HLSReader.h.

SegmentContainer

using HLSReader::SegmentContainer = QVector<HLSRecSegment>

Definition at line 41 of file HLSReader.h.

Constructor & Destructor Documentation

HLSReader()

HLSReader::HLSReader ( int  inputId )

inline

Definition at line 43 of file HLSReader.h.

~HLSReader()

HLSReader::~HLSReader

(

void

)

Definition at line 28 of file HLSReader.cpp.

Member Function Documentation

Open()

bool HLSReader::Open	(	const QString &	m3u,
		int	bitrate_index = 0
	)

Definition at line 35 of file HLSReader.cpp.

Referenced by HLSStreamHandler::run().

Close()

void HLSReader::Close

(

bool

quiet = false

)

Definition at line 144 of file HLSReader.cpp.

Referenced by Open(), and ~HLSReader().

Read()

qint64 HLSReader::Read	(	uint8_t *	buffer,
		qint64	len
	)

Definition at line 211 of file HLSReader.cpp.

Referenced by HLSStreamHandler::run().

Throttle()

void HLSReader::Throttle

(

bool

val

)

Definition at line 197 of file HLSReader.cpp.

Referenced by HLSStreamHandler::run().

IsThrottled()

bool HLSReader::IsThrottled ( void  ) const

inline

Definition at line 50 of file HLSReader.h.

Referenced by HLSStreamHandler::run().

IsOpen()

bool HLSReader::IsOpen ( const QString &  url ) const

inline

Definition at line 51 of file HLSReader.h.

Referenced by Open(), and HLSStreamHandler::run().

FatalError()

bool HLSReader::FatalError ( void  ) const

inline

Definition at line 53 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run(), HLSStreamWorker::run(), and HLSStreamHandler::run().

LoadMetaPlaylists()

bool HLSReader::LoadMetaPlaylists

(

MythSingleDownload &

downloader

)

Definition at line 735 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

ResetStream()

void HLSReader::ResetStream ( void  )

inline

Definition at line 56 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run().

ResetSequence()

void HLSReader::ResetSequence ( void  )

inline

Definition at line 58 of file HLSReader.h.

Referenced by ParseM3U8(), and HLSStreamWorker::run().

StreamURL()

QString HLSReader::StreamURL ( void  ) const

inline

Definition at line 60 of file HLSReader.h.

Referenced by ParseM3U8().

CancelURL() [1/2]

static void HLSReader::CancelURL ( const QString &  url )

static

Referenced by Cancel().

CancelURL() [2/2]

static void HLSReader::CancelURL ( const QStringList &  urls )

static

IsValidPlaylist()

bool HLSReader::IsValidPlaylist ( QTextStream &  text )

static

Definition at line 264 of file HLSReader.cpp.

Referenced by IPTVTuningData::IsHLSPlaylist(), and Open().

Cancel()

void HLSReader::Cancel ( bool  quiet = false )

protected

Definition at line 168 of file HLSReader.cpp.

Referenced by Close().

LoadSegments()

bool HLSReader::LoadSegments ( MythSingleDownload &  downloader )

protected

Definition at line 879 of file HLSReader.cpp.

Referenced by HLSStreamWorker::run().

PercentBuffered()

uint HLSReader::PercentBuffered ( void  ) const

protected

Definition at line 984 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists(), and HLSPlaylistWorker::run().

TargetDuration()

std::chrono::seconds HLSReader::TargetDuration ( void  ) const

inlineprotected

Definition at line 75 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run().

AllowPlaylistSwitch()

void HLSReader::AllowPlaylistSwitch ( void  )

inlineprotected

Definition at line 78 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run().

PlaylistGood()

void HLSReader::PlaylistGood ( void  )

protected

Definition at line 1137 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

PlaylistRetrying()

void HLSReader::PlaylistRetrying ( void  )

protected

Definition at line 1144 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

PlaylistRetryCount()

int HLSReader::PlaylistRetryCount ( void  ) const

protected

Definition at line 1151 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

ParseM3U8()

bool HLSReader::ParseM3U8 ( const QByteArray &  buffer, HLSRecStream *  stream = nullptr  )

private

Definition at line 301 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists(), and Open().

DecreaseBitrate()

void HLSReader::DecreaseBitrate ( int  progid )

private

Definition at line 809 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists().

IncreaseBitrate()

void HLSReader::IncreaseBitrate ( int  progid )

private

Definition at line 844 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists().

DownloadSegmentData()

int HLSReader::DownloadSegmentData ( MythSingleDownload &  downloader, HLSRecStream *  hls, HLSRecSegment &  segment, int  playlist_size  )

private

Definition at line 992 of file HLSReader.cpp.

Referenced by LoadSegments().

EnableDebugging()

void HLSReader::EnableDebugging ( void  )

private

Definition at line 1159 of file HLSReader.cpp.

Referenced by DownloadSegmentData(), LoadMetaPlaylists(), ParseM3U8(), HLSPlaylistWorker::run(), and HLSStreamWorker::run().

Friends And Related Function Documentation

HLSStreamWorker

friend class HLSStreamWorker

friend

Definition at line 36 of file HLSReader.h.

Referenced by Open().

HLSPlaylistWorker

friend class HLSPlaylistWorker

friend

Definition at line 37 of file HLSReader.h.

Referenced by Open().

Member Data Documentation

m_m3u8

QString HLSReader::m_m3u8

private

Definition at line 97 of file HLSReader.h.

Referenced by Open(), and ParseM3U8().

m_segmentBase

QString HLSReader::m_segmentBase

private

Definition at line 98 of file HLSReader.h.

Referenced by LoadMetaPlaylists(), Open(), and ParseM3U8().

m_streams

StreamContainer HLSReader::m_streams

private

Definition at line 99 of file HLSReader.h.

Referenced by Close(), DecreaseBitrate(), IncreaseBitrate(), Open(), and ParseM3U8().

m_segments

SegmentContainer HLSReader::m_segments

private

Definition at line 100 of file HLSReader.h.

Referenced by Cancel(), LoadMetaPlaylists(), LoadSegments(), ParseM3U8(), and PercentBuffered().

m_curstream

HLSRecStream* HLSReader::m_curstream {nullptr}

private

Definition at line 101 of file HLSReader.h.

Referenced by Cancel(), Close(), DecreaseBitrate(), IncreaseBitrate(), LoadMetaPlaylists(), LoadSegments(), Open(), PlaylistGood(), PlaylistRetryCount(), PlaylistRetrying(), and Read().

m_curSeq

int64_t HLSReader::m_curSeq {-1}

private

Definition at line 102 of file HLSReader.h.

Referenced by LoadSegments(), and ParseM3U8().

m_bitrateIndex

int HLSReader::m_bitrateIndex {0}

private

Definition at line 103 of file HLSReader.h.

Referenced by LoadSegments(), Open(), and ParseM3U8().

m_fatal

bool HLSReader::m_fatal {false}

private

Definition at line 105 of file HLSReader.h.

Referenced by DownloadSegmentData(), and Open().

m_cancel

bool HLSReader::m_cancel {false}

private

Definition at line 106 of file HLSReader.h.

Referenced by Cancel(), LoadMetaPlaylists(), LoadSegments(), Open(), ParseM3U8(), and Read().

m_throttle

bool HLSReader::m_throttle {true}

private

Definition at line 107 of file HLSReader.h.

Referenced by LoadSegments(), and Throttle().

m_aesMsg

bool HLSReader::m_aesMsg {false}

private

Definition at line 109 of file HLSReader.h.

Referenced by ParseM3U8().

m_playlistWorker

HLSPlaylistWorker* HLSReader::m_playlistWorker {nullptr}

private

Definition at line 111 of file HLSReader.h.

Referenced by Cancel(), Close(), and Open().

m_streamWorker

HLSStreamWorker* HLSReader::m_streamWorker {nullptr}

private

Definition at line 112 of file HLSReader.h.

Referenced by Cancel(), Close(), LoadMetaPlaylists(), Open(), and ParseM3U8().

m_playlistSize

int HLSReader::m_playlistSize {0}

private

Definition at line 114 of file HLSReader.h.

Referenced by LoadMetaPlaylists(), LoadSegments(), ParseM3U8(), and PercentBuffered().

m_bandwidthCheck

bool HLSReader::m_bandwidthCheck {false}

private

Definition at line 115 of file HLSReader.h.

Referenced by LoadMetaPlaylists(), LoadSegments(), and ParseM3U8().

m_prebufferCnt

uint HLSReader::m_prebufferCnt {10}

private

Definition at line 116 of file HLSReader.h.

Referenced by LoadSegments(), and Throttle().

m_seqLock

QMutex HLSReader::m_seqLock

private

Definition at line 118 of file HLSReader.h.

Referenced by LoadSegments(), and ParseM3U8().

m_streamLock

QMutex HLSReader::m_streamLock

mutableprivate

Definition at line 120 of file HLSReader.h.

Referenced by Close(), LoadMetaPlaylists(), LoadSegments(), Open(), PlaylistGood(), PlaylistRetryCount(), and PlaylistRetrying().

m_workerLock

QMutex HLSReader::m_workerLock

mutableprivate

Definition at line 122 of file HLSReader.h.

Referenced by Cancel(), Close(), Open(), and ParseM3U8().

m_throttleLock

QMutex HLSReader::m_throttleLock

private

Definition at line 124 of file HLSReader.h.

Referenced by Cancel(), LoadSegments(), and Throttle().

m_throttleCond

QWaitCondition HLSReader::m_throttleCond

private

Definition at line 125 of file HLSReader.h.

Referenced by Cancel(), LoadSegments(), and Throttle().

m_debug

bool HLSReader::m_debug {false}

private

Definition at line 127 of file HLSReader.h.

Referenced by DownloadSegmentData(), EnableDebugging(), LoadSegments(), and ParseM3U8().

m_debugCnt

int HLSReader::m_debugCnt {0}

private

Definition at line 128 of file HLSReader.h.

Referenced by EnableDebugging(), and ParseM3U8().

m_slowCnt

int HLSReader::m_slowCnt {0}

private

Definition at line 131 of file HLSReader.h.

Referenced by DownloadSegmentData().

m_buffer

QByteArray HLSReader::m_buffer

private

Definition at line 132 of file HLSReader.h.

Referenced by DownloadSegmentData(), and Read().

m_bufLock

QMutex HLSReader::m_bufLock

private

Definition at line 133 of file HLSReader.h.

Referenced by DownloadSegmentData(), and Read().

m_inputId

int HLSReader::m_inputId {0}

private

Definition at line 136 of file HLSReader.h.

Referenced by LoadSegments(), and ParseM3U8().

---

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

• mythtv/libs/libmythtv/recorders/HLS/HLSReader.h
• mythtv/libs/libmythtv/recorders/HLS/HLSReader.cpp