An execution of FFmpeg. More...

Inheritance diagram for QtlMovieFFmpegProcess:

Public Member Functions
	QtlMovieFFmpegProcess (const QStringList &ffmpegArguments, int inputDurationInSeconds, const QString &temporaryDirectory, const QtlMovieSettings settings, QtlLogger log, QObject parent=0, QtlDataPull dataPull=0)
	Constructor. More...

virtual bool	start () Q_DECL_OVERRIDE
	Start the process. More...

Public Member Functions inherited from QtlMovieProcess
	QtlMovieProcess (const QtlMovieExecFile execFile, const QStringList &arguments, bool hasBinaryOutput, const QtlMovieSettings settings, QtlLogger log, QObject parent=0, QtlDataPull *dataPull=0)
	Constructor. More...

virtual void	abort () Q_DECL_OVERRIDE
	Abort process execution. More...

QStringList	arguments () const
	Get the command line arguments. More...

const QtlMovieExecFile *	execFile () const
	Get the command executable file. More...

QIODevice *	outputDevice () const
	Return the device from which standard output can be read. More...

void	setArguments (const QStringList &arguments)
	Set the command line arguments. More...

void	setPriority (Qtl::ProcessPriority priority)
	Set the process priority. More...

bool	useDataPullProgressReport (bool on)
	Use the progress report from the QtlDataPull when possible. More...

bool	useDataPullProgressReport () const
	Check if progress report from the QtlDataPull is active. More...

Public Member Functions inherited from QtlMovieAction
	QtlMovieAction (const QtlMovieSettings settings, QtlLogger log, QObject *parent=0)
	Constructor. More...

virtual	~QtlMovieAction ()
	Virtual destructor. More...

virtual void	debug (const QString &line, const QColor &color=QColor()) Q_DECL_OVERRIDE
	Log a line of debug text. More...

QString	description () const
	Get the description of the action. More...

int	elapsedSeconds () const
	Get the number of seconds since the action started. More...

bool	isCompleted () const
	Check if the action is completed. More...

bool	isSilent () const
	Check if unimportant messages are skipped. More...

bool	isStarted () const
	Check if the action was started (and possibly completed in the meantime). More...

virtual void	line (const QString &line, const QColor &color=QColor()) Q_DECL_OVERRIDE
	Log a line of text. More...

void	setDescription (const QString &description)
	Set the description of the action. More...

void	setSilent (bool silent)
	Set if unimportant messages are skipped. More...

const QtlMovieSettings *	settings () const
	Get the application settings. More...

virtual void	text (const QString &text) Q_DECL_OVERRIDE
	Log text. More...

Protected Member Functions
virtual void	processOutputLine (QProcess::ProcessChannel channel, const QString &line) Q_DECL_OVERRIDE
	Process one text line from standard error. More...

virtual void	updateEnvironment (QProcessEnvironment &env) Q_DECL_OVERRIDE
	Update the QProcessEnvironment for the target process before it starts. More...

Protected Member Functions inherited from QtlMovieProcess
QStringList	getJobVariable (const QString &name) const
	Get the value of a variable in the job. More...

void	setJobVariable (const QString &name, const QStringList &value)
	Store a variable in the parent job. More...

Protected Member Functions inherited from QtlMovieAction
virtual void	emitCompleted (bool success, const QString &message=QString())
	Emit the completed() signal. More...

virtual void	emitProgress (int current, int maximum, int remainingSeconds=-1)
	Emit the progress() signal. More...

Private Member Functions
	QtlMovieFFmpegProcess () Q_DECL_EQ_DELETE

bool	createFontConfig (const QString &templateFile, const QString &actualFile)
	Create the temporary fontconfig configuration file. More...

Private Attributes
int	_inputDurationInSeconds
	Input file duration. More...

QString	_tempDir
	Directory of temporary files. More...

Additional Inherited Members
Signals inherited from QtlMovieProcess
void	readyReadOutputData ()
	Emitted when some binary data are available from standard output. More...

Signals inherited from QtlMovieAction
void	completed (bool success)
	Emitted when the action completes. More...

void	progress (const QString &description, int current, int maximum, int elapsedSeconds, int remainingSeconds)
	Emitted when some progress in the reporting is available. More...

void	started ()
	Emitted when the action starts. More...

Detailed Description

An execution of FFmpeg.

Availability of standard output data is signaled by readyReadOutputData(). Standard output data can be read from outputDevice().

Standard error lines, except "progress report" ones, are logged. All "progress report" lines (starting with "frame=") are analyzed. The progress report is signaled by progress().

Constructor & Destructor Documentation

◆ QtlMovieFFmpegProcess() [1/2]

QtlMovieFFmpegProcess::QtlMovieFFmpegProcess	(	const QStringList &	ffmpegArguments,
		int	inputDurationInSeconds,
		const QString &	temporaryDirectory,
		const QtlMovieSettings *	settings,
		QtlLogger *	log,
		QObject *	parent = `0`,
		QtlDataPull *	dataPull = `0`
	)

Constructor.

Parameters

[in]	ffmpegArguments	FFmpeg command line arguments.
[in]	inputDurationInSeconds	Input file play duration in seconds or zero if unknown. Used as a hint to indicate progress.
[in]	temporaryDirectory	Directory of temporary files.
[in]	settings	Application settings.
[in]	log	Message logger.
[in]	parent	Optional parent object.
[in]	dataPull	If non zero, used to feed the standard input of the process.

◆ QtlMovieFFmpegProcess() [2/2]

QtlMovieFFmpegProcess::QtlMovieFFmpegProcess ( )

private

Member Function Documentation

◆ start()

bool QtlMovieFFmpegProcess::start ( )

virtual

Start the process.

Returns: False if already started. True otherwise.

Reimplemented from QtlMovieProcess.

◆ processOutputLine()

void QtlMovieFFmpegProcess::processOutputLine	(	QProcess::ProcessChannel	channel,
		const QString &	line
	)

protectedvirtual

Process one text line from standard error.

Parameters

[in]	channel	Origin of the line (QProcess::StandardOutput or QProcess::StandardError).
[in]	line	Text line.

Reimplemented from QtlMovieProcess.

Reimplemented in QtlMovieFFmpegVolumeDetect.

◆ updateEnvironment()

void QtlMovieFFmpegProcess::updateEnvironment ( QProcessEnvironment & env )

protectedvirtual

Update the QProcessEnvironment for the target process before it starts.

Parameters

[in] env A set of environment variables to update.

Reimplemented from QtlMovieProcess.

◆ createFontConfig()

bool QtlMovieFFmpegProcess::createFontConfig	(	const QString &	templateFile,
		const QString &	actualFile
	)

private

Create the temporary fontconfig configuration file.

Parameters

[in]	templateFile	Absolute path of template file.
[in]	actualFile	Absolute path of actual file to create.

Returns: True on success, false on error.

Member Data Documentation

◆ _inputDurationInSeconds

int QtlMovieFFmpegProcess::_inputDurationInSeconds

private

Input file duration.

◆ _tempDir

QString QtlMovieFFmpegProcess::_tempDir

private

Directory of temporary files.

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

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QtlMovieFFmpegProcess() [1/2]

◆ QtlMovieFFmpegProcess() [2/2]

Member Function Documentation

◆ start()

◆ processOutputLine()

◆ updateEnvironment()

◆ createFontConfig()

Member Data Documentation

◆ _inputDurationInSeconds

◆ _tempDir