FileThread Class Reference

#include <filethread.h>

Inherits Thread.

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Public Member Functions
	FileThread (File *file, int do_audio, int do_video)
	~FileThread ()
void	create_objects (File *file, int do_audio, int do_video)
void	delete_objects ()
void	reset ()
int	start_writing ()
int	start_writing (long buffer_size, int color_model, int ring_buffers, int compressed)
int	stop_writing ()
int	start_reading ()
int	stop_reading ()
int	read_frame (VFrame *frame)
int	set_video_position (int64_t position)
int	set_layer (int layer)
int	read_buffer ()
int64_t	get_memory_usage ()
int	write_buffer (long size)
double **	get_audio_buffer ()
VFrame ***	get_video_buffer ()
void	run ()
int	swap_buffer ()
Data Fields
double ***	audio_buffer
VFrame ****	video_buffer
long *	output_size
int *	is_compressed
Condition **	output_lock
Condition **	input_lock
Mutex *	file_lock
int	current_buffer
int	local_buffer
int *	last_buffer
int	return_value
int	do_audio
int	do_video
File *	file
int	ring_buffers
int	buffer_size
int	color_model
int	compressed
int	is_reading
int	is_writing
int	done
int	total_frames
FileThreadFrame *	read_frames [MAX_READ_FRAMES]
int	disable_read
Condition *	read_wait_lock
Condition *	user_wait_lock
Mutex *	frame_lock
int64_t	start_position
int64_t	read_position
int	layer

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Detailed Description

Definition at line 29 of file filethread.h.

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Constructor & Destructor Documentation

FileThread::FileThread	(	File *	file,
		int	do_audio,
		int	do_video
	)

Definition at line 27 of file filethread.C.

References create_objects(), and reset().

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FileThread::~FileThread

(

)

Definition at line 36 of file filethread.C.

References delete_objects().

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Member Function Documentation

void FileThread::create_objects	(	File *	file,
		int	do_audio,
		int	do_video
	)

Definition at line 67 of file filethread.C.

References file_lock, frame_lock, MAX_READ_FRAMES, read_frames, read_wait_lock, and user_wait_lock.

Referenced by FileThread().

void FileThread::delete_objects

(

)

Definition at line 83 of file filethread.C.

References file_lock, frame_lock, input_lock, last_buffer, output_lock, output_size, read_wait_lock, reset(), ring_buffers, and user_wait_lock.

Referenced by ~FileThread().

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void FileThread::reset

(

)

Definition at line 43 of file filethread.C.

References audio_buffer, disable_read, done, file_lock, frame_lock, input_lock, is_reading, is_writing, last_buffer, MAX_READ_FRAMES, output_lock, output_size, read_frames, read_position, read_wait_lock, start_position, total_frames, user_wait_lock, and video_buffer.

Referenced by delete_objects(), and FileThread().

int FileThread::start_writing

(

)

Referenced by File::start_audio_thread(), and File::start_video_thread().

int FileThread::start_writing	(	long	buffer_size,
		int	color_model,
		int	ring_buffers,
		int	compressed
	)

Definition at line 325 of file filethread.C.

References File::asset, audio_buffer, VFrame::calculate_data_size(), Asset::channels, current_buffer, do_audio, do_video, done, file, file_lock, Asset::height, input_lock, is_writing, last_buffer, layer, Asset::layers, local_buffer, Mutex::lock(), output_lock, output_size, return_value, Thread::start(), Mutex::unlock(), video_buffer, and Asset::width.

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int FileThread::stop_writing

(

)

Definition at line 264 of file filethread.C.

References File::asset, audio_buffer, buffer_size, Asset::channels, current_buffer, do_audio, do_video, file, file_lock, input_lock, is_writing, Thread::join(), last_buffer, layer, Asset::layers, Mutex::lock(), Condition::lock(), output_lock, ring_buffers, swap_buffer(), Mutex::unlock(), and video_buffer.

Referenced by File::stop_audio_thread(), and File::stop_video_thread().

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int FileThread::start_reading

(

)

Definition at line 432 of file filethread.C.

References disable_read, done, and is_reading.

Referenced by File::start_video_decode_thread().

int FileThread::stop_reading

(

)

Definition at line 443 of file filethread.C.

References done, is_reading, Thread::join(), read_wait_lock, Thread::running(), and Condition::unlock().

Referenced by File::stop_video_thread().

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int FileThread::read_frame

(

VFrame *

frame

)

Definition at line 500 of file filethread.C.

References cmodel_transfer(), VFrame::copy_params(), disable_read, VFrame::equal_stacks(), file, FileThreadFrame::frame, frame_lock, VFrame::get_color_model(), VFrame::get_h(), VFrame::get_rows(), VFrame::get_u(), VFrame::get_v(), VFrame::get_w(), VFrame::get_y(), layer, FileThreadFrame::layer, Condition::lock(), Mutex::lock(), MAX_READ_FRAMES, memcpy, FileThreadFrame::position, File::read_frame(), read_frames, read_position, read_wait_lock, File::set_layer(), File::set_video_position(), start_position, total_frames, Condition::unlock(), Mutex::unlock(), and user_wait_lock.

Referenced by File::read_frame().

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int FileThread::set_video_position

(

int64_t

position

)

Definition at line 454 of file filethread.C.

References disable_read, Thread::join(), MAX_READ_FRAMES, read_position, read_wait_lock, Thread::start(), start_position, total_frames, and Condition::unlock().

Referenced by File::set_video_position().

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int FileThread::set_layer

(

int

layer

)

Definition at line 487 of file filethread.C.

References disable_read, Thread::join(), read_wait_lock, total_frames, and Condition::unlock().

Referenced by File::set_layer().

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int FileThread::read_buffer

(

)

int64_t FileThread::get_memory_usage

(

)

Definition at line 604 of file filethread.C.

References FileThreadFrame::frame, frame_lock, VFrame::get_data_size(), Mutex::lock(), MAX_READ_FRAMES, read_frames, and Mutex::unlock().

Referenced by File::get_memory_usage().

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int FileThread::write_buffer

(

long

size

)

Definition at line 632 of file filethread.C.

References current_buffer, output_lock, output_size, return_value, and Condition::unlock().

Referenced by File::write_audio_buffer(), and File::write_video_buffer().

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double ** FileThread::get_audio_buffer

(

)

Definition at line 616 of file filethread.C.

References audio_buffer, current_buffer, input_lock, Condition::lock(), and swap_buffer().

Referenced by File::get_audio_buffer().

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VFrame *** FileThread::get_video_buffer

(

)

Definition at line 624 of file filethread.C.

References current_buffer, input_lock, Condition::lock(), swap_buffer(), and video_buffer.

Referenced by File::get_video_buffer().

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void FileThread::run

(

)

[virtual]

Implements Thread.

Definition at line 120 of file filethread.C.

References File::asset, audio_buffer, compressed, disable_read, do_audio, do_video, done, file, file_lock, FileThreadFrame::frame, frame_lock, File::get_best_colormodel(), Asset::height, input_lock, is_reading, last_buffer, FileThreadFrame::layer, layer, Asset::layers, local_buffer, Condition::lock(), Mutex::lock(), MAX_READ_FRAMES, output_lock, output_size, VFrame::params_match(), FileThreadFrame::position, File::read_frame(), read_frames, read_wait_lock, return_value, ring_buffers, File::set_layer(), File::set_video_position(), start_position, total_frames, Condition::unlock(), Mutex::unlock(), user_wait_lock, video_buffer, Asset::width, File::write_compressed_frame(), File::write_frames(), and File::write_samples().

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int FileThread::swap_buffer

(

)

Definition at line 642 of file filethread.C.

References current_buffer, and ring_buffers.

Referenced by get_audio_buffer(), get_video_buffer(), and stop_writing().

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Field Documentation

double*** FileThread::audio_buffer

Definition at line 79 of file filethread.h.

Referenced by get_audio_buffer(), reset(), run(), start_writing(), and stop_writing().

VFrame**** FileThread::video_buffer

Definition at line 81 of file filethread.h.

Referenced by get_video_buffer(), reset(), run(), start_writing(), and stop_writing().

long* FileThread::output_size

Definition at line 82 of file filethread.h.

Referenced by delete_objects(), reset(), run(), start_writing(), and write_buffer().

int* FileThread::is_compressed

Definition at line 84 of file filethread.h.

Condition** FileThread::output_lock

Definition at line 85 of file filethread.h.

Referenced by delete_objects(), reset(), run(), start_writing(), stop_writing(), and write_buffer().

Condition ** FileThread::input_lock

Definition at line 85 of file filethread.h.

Referenced by delete_objects(), get_audio_buffer(), get_video_buffer(), reset(), run(), start_writing(), and stop_writing().

Mutex* FileThread::file_lock

Definition at line 87 of file filethread.h.

Referenced by create_objects(), delete_objects(), reset(), run(), start_writing(), and stop_writing().

int FileThread::current_buffer

Definition at line 88 of file filethread.h.

Referenced by get_audio_buffer(), get_video_buffer(), start_writing(), stop_writing(), swap_buffer(), and write_buffer().

int FileThread::local_buffer

Definition at line 89 of file filethread.h.

Referenced by run(), and start_writing().

int* FileThread::last_buffer

Definition at line 90 of file filethread.h.

Referenced by delete_objects(), reset(), run(), start_writing(), and stop_writing().

int FileThread::return_value

Definition at line 91 of file filethread.h.

Referenced by run(), start_writing(), and write_buffer().

int FileThread::do_audio

Definition at line 92 of file filethread.h.

Referenced by run(), start_writing(), and stop_writing().

int FileThread::do_video

Definition at line 93 of file filethread.h.

Referenced by run(), start_writing(), and stop_writing().

File* FileThread::file

Definition at line 94 of file filethread.h.

Referenced by read_frame(), run(), start_writing(), and stop_writing().

int FileThread::ring_buffers

Definition at line 95 of file filethread.h.

Referenced by delete_objects(), run(), stop_writing(), and swap_buffer().

int FileThread::buffer_size

Definition at line 96 of file filethread.h.

Referenced by stop_writing().

int FileThread::color_model

Definition at line 98 of file filethread.h.

Referenced by FileTIFF::write_frame().

int FileThread::compressed

Definition at line 100 of file filethread.h.

Referenced by run().

int FileThread::is_reading

Definition at line 103 of file filethread.h.

Referenced by reset(), run(), start_reading(), and stop_reading().

int FileThread::is_writing

Definition at line 104 of file filethread.h.

Referenced by reset(), start_writing(), and stop_writing().

int FileThread::done

Definition at line 105 of file filethread.h.

Referenced by reset(), run(), start_reading(), start_writing(), and stop_reading().

int FileThread::total_frames

Definition at line 112 of file filethread.h.

Referenced by read_frame(), reset(), run(), set_layer(), and set_video_position().

FileThreadFrame* FileThread::read_frames[MAX_READ_FRAMES]

Definition at line 114 of file filethread.h.

Referenced by create_objects(), get_memory_usage(), read_frame(), reset(), and run().

int FileThread::disable_read

Definition at line 117 of file filethread.h.

Referenced by read_frame(), reset(), run(), set_layer(), set_video_position(), and start_reading().

Condition* FileThread::read_wait_lock

Definition at line 119 of file filethread.h.

Referenced by create_objects(), delete_objects(), read_frame(), reset(), run(), set_layer(), set_video_position(), and stop_reading().

Condition* FileThread::user_wait_lock

Definition at line 121 of file filethread.h.

Referenced by create_objects(), delete_objects(), read_frame(), reset(), and run().

Mutex* FileThread::frame_lock

Definition at line 123 of file filethread.h.

Referenced by create_objects(), delete_objects(), get_memory_usage(), read_frame(), reset(), and run().

int64_t FileThread::start_position

Definition at line 127 of file filethread.h.

Referenced by read_frame(), reset(), run(), and set_video_position().

int64_t FileThread::read_position

Definition at line 129 of file filethread.h.

Referenced by read_frame(), reset(), and set_video_position().

int FileThread::layer

Definition at line 131 of file filethread.h.

Referenced by read_frame(), run(), start_writing(), and stop_writing().

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

• hvirtual/cinelerra/filethread.h
• hvirtual/cinelerra/filethread.C