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 33 of file HLSReader.h.

Member Typedef Documentation

SegmentContainer

using HLSReader::SegmentContainer = QVector<HLSRecSegment>

Definition at line 40 of file HLSReader.h.

StreamContainer

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

Definition at line 39 of file HLSReader.h.

Constructor & Destructor Documentation

HLSReader()

HLSReader::HLSReader ( int  inputId )

inline

Definition at line 42 of file HLSReader.h.

~HLSReader()

HLSReader::~HLSReader

(

void

)

Definition at line 31 of file HLSReader.cpp.

Member Function Documentation

AllowPlaylistSwitch()

void HLSReader::AllowPlaylistSwitch ( void  )

inlineprotected

Definition at line 77 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run().

Cancel()

void HLSReader::Cancel ( bool  quiet = false )

protected

Definition at line 171 of file HLSReader.cpp.

Referenced by Close().

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

Close()

void HLSReader::Close

(

bool

quiet = false

)

Definition at line 147 of file HLSReader.cpp.

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

DecreaseBitrate()

void HLSReader::DecreaseBitrate ( int  progid )

private

Definition at line 812 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists().

DownloadSegmentData()

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

private

Definition at line 995 of file HLSReader.cpp.

Referenced by LoadSegments().

EnableDebugging()

void HLSReader::EnableDebugging ( void  )

private

Definition at line 1162 of file HLSReader.cpp.

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

FatalError()

bool HLSReader::FatalError ( void  ) const

inline

Definition at line 52 of file HLSReader.h.

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

IncreaseBitrate()

void HLSReader::IncreaseBitrate ( int  progid )

private

Definition at line 847 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists().

IsOpen()

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

inline

Definition at line 50 of file HLSReader.h.

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

IsThrottled()

bool HLSReader::IsThrottled ( void  ) const

inline

Definition at line 49 of file HLSReader.h.

Referenced by HLSStreamHandler::run().

IsValidPlaylist()

bool HLSReader::IsValidPlaylist ( QTextStream &  text )

static

Definition at line 267 of file HLSReader.cpp.

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

LoadMetaPlaylists()

bool HLSReader::LoadMetaPlaylists

(

MythSingleDownload &

downloader

)

Definition at line 738 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

LoadSegments()

bool HLSReader::LoadSegments ( MythSingleDownload &  downloader )

protected

Definition at line 882 of file HLSReader.cpp.

Referenced by HLSStreamWorker::run().

Open()

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

Definition at line 38 of file HLSReader.cpp.

Referenced by HLSStreamHandler::run().

ParseM3U8()

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

private

Definition at line 304 of file HLSReader.cpp.

Referenced by LoadMetaPlaylists(), and Open().

PercentBuffered()

uint HLSReader::PercentBuffered ( void  ) const

protected

Definition at line 987 of file HLSReader.cpp.

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

PlaylistGood()

void HLSReader::PlaylistGood ( void  )

protected

Definition at line 1140 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

PlaylistRetryCount()

int HLSReader::PlaylistRetryCount ( void  ) const

protected

Definition at line 1154 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

PlaylistRetrying()

void HLSReader::PlaylistRetrying ( void  )

protected

Definition at line 1147 of file HLSReader.cpp.

Referenced by HLSPlaylistWorker::run().

Read()

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

Definition at line 214 of file HLSReader.cpp.

Referenced by HLSStreamHandler::run().

ResetSequence()

void HLSReader::ResetSequence ( void  )

inline

Definition at line 57 of file HLSReader.h.

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

ResetStream()

void HLSReader::ResetStream ( void  )

inline

Definition at line 55 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run().

StreamURL()

QString HLSReader::StreamURL ( void  ) const

inline

Definition at line 59 of file HLSReader.h.

Referenced by ParseM3U8().

TargetDuration()

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

inlineprotected

Definition at line 74 of file HLSReader.h.

Referenced by HLSPlaylistWorker::run().

Throttle()

void HLSReader::Throttle

(

bool

val

)

Definition at line 200 of file HLSReader.cpp.

Referenced by HLSStreamHandler::run().

Friends And Related Function Documentation

HLSPlaylistWorker

friend class HLSPlaylistWorker

friend

Definition at line 36 of file HLSReader.h.

Referenced by Open().

HLSStreamWorker

friend class HLSStreamWorker

friend

Definition at line 35 of file HLSReader.h.

Referenced by Open().

Member Data Documentation

m_aesMsg

bool HLSReader::m_aesMsg {false}

private

Definition at line 108 of file HLSReader.h.

Referenced by ParseM3U8().

m_bandwidthCheck

bool HLSReader::m_bandwidthCheck {false}

private

Definition at line 114 of file HLSReader.h.

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

m_bitrateIndex

int HLSReader::m_bitrateIndex {0}

private

Definition at line 102 of file HLSReader.h.

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

m_buffer

QByteArray HLSReader::m_buffer

private

Definition at line 131 of file HLSReader.h.

Referenced by DownloadSegmentData(), and Read().

m_bufLock

QMutex HLSReader::m_bufLock

private

Definition at line 132 of file HLSReader.h.

Referenced by DownloadSegmentData(), and Read().

m_cancel

bool HLSReader::m_cancel {false}

private

Definition at line 105 of file HLSReader.h.

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

m_curSeq

int64_t HLSReader::m_curSeq {-1}

private

Definition at line 101 of file HLSReader.h.

Referenced by LoadSegments(), and ParseM3U8().

m_curstream

HLSRecStream* HLSReader::m_curstream {nullptr}

private

Definition at line 100 of file HLSReader.h.

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

m_debug

bool HLSReader::m_debug {false}

private

Definition at line 126 of file HLSReader.h.

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

m_debugCnt

int HLSReader::m_debugCnt {0}

private

Definition at line 127 of file HLSReader.h.

Referenced by EnableDebugging(), and ParseM3U8().

m_fatal

bool HLSReader::m_fatal {false}

private

Definition at line 104 of file HLSReader.h.

Referenced by DownloadSegmentData(), and Open().

m_inputId

int HLSReader::m_inputId {0}

private

Definition at line 135 of file HLSReader.h.

Referenced by LoadSegments(), and ParseM3U8().

m_m3u8

QString HLSReader::m_m3u8

private

Definition at line 96 of file HLSReader.h.

Referenced by Open(), and ParseM3U8().

m_playlistSize

int HLSReader::m_playlistSize {0}

private

Definition at line 113 of file HLSReader.h.

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

m_playlistWorker

HLSPlaylistWorker* HLSReader::m_playlistWorker {nullptr}

private

Definition at line 110 of file HLSReader.h.

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

m_prebufferCnt

uint HLSReader::m_prebufferCnt {10}

private

Definition at line 115 of file HLSReader.h.

Referenced by LoadSegments(), and Throttle().

m_segmentBase

QString HLSReader::m_segmentBase

private

Definition at line 97 of file HLSReader.h.

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

m_segments

SegmentContainer HLSReader::m_segments

private

Definition at line 99 of file HLSReader.h.

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

m_seqLock

QMutex HLSReader::m_seqLock

private

Definition at line 117 of file HLSReader.h.

Referenced by LoadSegments(), and ParseM3U8().

m_slowCnt

int HLSReader::m_slowCnt {0}

private

Definition at line 130 of file HLSReader.h.

Referenced by DownloadSegmentData().

m_streamLock

QMutex HLSReader::m_streamLock

mutableprivate

Definition at line 119 of file HLSReader.h.

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

m_streams

StreamContainer HLSReader::m_streams

private

Definition at line 98 of file HLSReader.h.

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

m_streamWorker

HLSStreamWorker* HLSReader::m_streamWorker {nullptr}

private

Definition at line 111 of file HLSReader.h.

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

m_throttle

bool HLSReader::m_throttle {true}

private

Definition at line 106 of file HLSReader.h.

Referenced by LoadSegments(), and Throttle().

m_throttleCond

QWaitCondition HLSReader::m_throttleCond

private

Definition at line 124 of file HLSReader.h.

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

m_throttleLock

QMutex HLSReader::m_throttleLock

private

Definition at line 123 of file HLSReader.h.

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

m_workerLock

QMutex HLSReader::m_workerLock

mutableprivate

Definition at line 121 of file HLSReader.h.

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