FileBase Class Reference

#include <filebase.h>

Inherited by FileAC3, FileAVI, FileCR2, FileDV, FileGIF, FileList, FileMOV, FileMPEG, FileOGG, FileSndFile, FileVorbis, and FileYUV.

Collaboration diagram for FileBase:

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Public Member Functions
	FileBase (Asset asset, File file)
virtual	~FileBase ()
int	get_mode (char *mode, int rd, int wr)
int	reset_parameters ()
virtual void	get_parameters (BC_WindowBase parent_window, Asset asset, BC_WindowBase **format_window, int audio_options, int video_options, int lock_compressor)
virtual int	get_index (char *index_path)
virtual int	check_header ()
virtual int	reset_parameters_derived ()
virtual int	read_header ()
virtual int	open_file (int rd, int wr)
virtual int	close_file ()
virtual int	close_file_derived ()
int	set_dither ()
virtual int	seek_end ()
virtual int	seek_start ()
virtual int64_t	get_video_position ()
virtual int64_t	get_audio_position ()
virtual int	set_video_position (int64_t x)
virtual int	set_audio_position (int64_t x)
virtual int64_t	get_memory_usage ()
virtual int	write_samples (double **buffer, int64_t len)
virtual int	write_frames (VFrame ***frames, int len)
virtual int	read_compressed_frame (VFrame *buffer)
virtual int	write_compressed_frame (VFrame *buffers)
virtual int64_t	compressed_frame_size ()
virtual int	read_samples (double *buffer, int64_t len)
virtual int	prefer_samples_float ()
virtual int	read_samples_float (float *buffer, int64_t len)
virtual int	read_frame (VFrame *frame)
virtual int	colormodel_supported (int colormodel)
virtual int	can_copy_from (Edit *edit, int64_t position)
virtual int	get_render_strategy (ArrayList< int > *render_strategies)
Protected Member Functions
int64_t	samples_to_raw (char out_buffer, float *in_buffer, int64_t input_len, int bits, int channels, int byte_order, int signed_)
int	raw_to_samples (float out_buffer, char in_buffer, int64_t samples, int bits, int channels, int channel, int feather, float lfeather_len, float lfeather_gain, float lfeather_slope)
int	overlay_float_buffer (float out_buffer, float in_buffer, int64_t samples, float lfeather_len, float lfeather_gain, float lfeather_slope)
int64_t	frame_to_raw (unsigned char out_buffer, VFrame in_frame, int w, int h, int use_alpha, int use_float, int color_model)
int	get_audio_buffer (char **buffer, int64_t len, int64_t bits, int64_t channels)
int	get_float_buffer (float **buffer, int64_t len)
int	get_video_buffer (unsigned char **buffer, int depth)
int	get_row_pointers (unsigned char buffer, unsigned char **pointers, int depth)
int64_t	ima4_samples_to_bytes (int64_t samples, int channels)
int64_t	ima4_bytes_to_samples (int64_t bytes, int channels)
Static Protected Member Functions
static int	search_render_strategies (ArrayList< int > *render_strategies, int render_strategy)
static int	match4 (char in, char out)
Protected Attributes
char *	audio_buffer_in
char *	audio_buffer_out
float *	float_buffer
unsigned char *	video_buffer_in
unsigned char *	video_buffer_out
unsigned char **	row_pointers_in
unsigned char **	row_pointers_out
int64_t	prev_buffer_position
int64_t	prev_frame_position
int64_t	prev_bytes
int64_t	prev_len
int	prev_track
int	prev_layer
Asset *	asset
int	wr
int	rd
int	dither
int	internal_byte_order
File *	file
Private Member Functions
float	ulawtofloat (char ulaw)
char	floattoulaw (float value)
int	generate_ulaw_tables ()
int	delete_ulaw_tables ()
int	init_ima4 ()
int	delete_ima4 ()
int	ima4_decode_block (int16_t output, unsigned char input)
int	ima4_decode_sample (int predictor, int nibble, int index, int *step)
int	ima4_encode_block (unsigned char output, int16_t input, int step, int channel)
int	ima4_encode_sample (int last_sample, int last_index, int *nibble, int next_sample)
Private Attributes
float *	ulawtofloat_table
float *	ulawtofloat_ptr
unsigned char *	floattoulaw_table
unsigned char *	floattoulaw_ptr
int *	last_ima4_samples
int *	last_ima4_indexes
int	ima4_block_size
int	ima4_block_samples
OverlayFrame *	overlayer
Static Private Attributes
static int	ima4_step [89]
static int	ima4_index [16]
Friends
class	File
class	FileList
class	FrameWriter

Detailed Description

Definition at line 18 of file filebase.h.

Constructor & Destructor Documentation

FileBase::FileBase	(	Asset *	asset,
		File *	file
	)

Definition at line 12 of file filebase.C.

References get_byte_order(), init_ima4(), internal_byte_order, overlayer, and reset_parameters().

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FileBase::~FileBase ( ) [virtual]

Definition at line 22 of file filebase.C.

References audio_buffer_in, audio_buffer_out, delete_ima4(), float_buffer, overlayer, row_pointers_in, row_pointers_out, video_buffer_in, and video_buffer_out.

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Member Function Documentation

int FileBase::get_mode	(	char *	mode,
		int	rd,
		int	wr
	)

Definition at line 79 of file filebase.C.

References asset, fclose(), fopen(), and Asset::path.

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int FileBase::reset_parameters ( )

Definition at line 55 of file filebase.C.

References audio_buffer_in, audio_buffer_out, delete_ulaw_tables(), dither, float_buffer, floattoulaw_table, prev_buffer_position, prev_bytes, prev_frame_position, prev_layer, prev_len, prev_track, rd, reset_parameters_derived(), row_pointers_in, row_pointers_out, ulawtofloat_table, video_buffer_in, video_buffer_out, and wr.

Referenced by FileVorbis::close_file(), FileMPEG::close_file(), FileMOV::close_file(), FileList::close_file(), close_file(), FileAC3::close_file(), FileGIF::close_file_derived(), FileAC3::FileAC3(), FileBase(), FileGIF::FileGIF(), FileList::FileList(), FileMOV::FileMOV(), FileMPEG::FileMPEG(), FileOGG::FileOGG(), and FileVorbis::FileVorbis().

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virtual void FileBase::get_parameters	(	BC_WindowBase *	parent_window,
		Asset *	asset,
		BC_WindowBase **	format_window,
		int	audio_options,
		int	video_options,
		int	lock_compressor
	)			`[inline, virtual]`

Definition at line 37 of file filebase.h.

virtual int FileBase::get_index ( char * index_path ) [inline, virtual]

Reimplemented in FileMPEG.

Definition at line 46 of file filebase.h.

Referenced by File::get_index().

virtual int FileBase::check_header ( ) [inline, virtual]

Definition at line 47 of file filebase.h.

virtual int FileBase::reset_parameters_derived ( ) [inline, virtual]

Reimplemented in FileAC3, FileDV, FileGIF, FileList, FileMOV, FileMPEG, FileOGG, and FileVorbis.

Definition at line 48 of file filebase.h.

Referenced by reset_parameters().

virtual int FileBase::read_header ( ) [inline, virtual]

Reimplemented in FileGIF.

Definition at line 49 of file filebase.h.

virtual int FileBase::open_file	(	int	rd,
		int	wr
	)			`[inline, virtual]`

Reimplemented in FileAC3, FileAVI, FileCR2, FileDV, FileGIF, FileList, FileMOV, FileMPEG, FileOGG, FileSndFile, FileVorbis, and FileYUV.

Definition at line 50 of file filebase.h.

Referenced by File::open_file().

int FileBase::close_file ( ) [virtual]

Reimplemented in FileAC3, FileAVI, FileCR2, FileList, FileMOV, FileMPEG, FileOGG, FileSndFile, FileVorbis, and FileYUV.

Definition at line 35 of file filebase.C.

References audio_buffer_in, audio_buffer_out, close_file_derived(), delete_ima4(), float_buffer, reset_parameters(), row_pointers_in, row_pointers_out, video_buffer_in, and video_buffer_out.

Referenced by FileVorbis::close_file(), FileSndFile::close_file(), FileMPEG::close_file(), FileMOV::close_file(), FileList::close_file(), FileAC3::close_file(), File::close_file(), FileDV::~FileDV(), and FileGIF::~FileGIF().

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virtual int FileBase::close_file_derived ( ) [inline, virtual]

Reimplemented in FileDV, FileGIF, and FileOGG.

Definition at line 52 of file filebase.h.

Referenced by close_file().

int FileBase::set_dither ( )

Definition at line 49 of file filebase.C.

References dither.

Referenced by File::open_file().

virtual int FileBase::seek_end ( ) [inline, virtual]

Definition at line 54 of file filebase.h.

virtual int FileBase::seek_start ( ) [inline, virtual]

Definition at line 55 of file filebase.h.

virtual int64_t FileBase::get_video_position ( ) [inline, virtual]

Reimplemented in FileDV, and FileOGG.

Definition at line 56 of file filebase.h.

virtual int64_t FileBase::get_audio_position ( ) [inline, virtual]

Reimplemented in FileDV, and FileOGG.

Definition at line 57 of file filebase.h.

virtual int FileBase::set_video_position ( int64_t x ) [inline, virtual]

Reimplemented in FileAVI, FileDV, FileMOV, FileMPEG, FileOGG, and FileYUV.

Definition at line 58 of file filebase.h.

Referenced by File::set_video_position().

virtual int FileBase::set_audio_position ( int64_t x ) [inline, virtual]

Reimplemented in FileAVI, FileDV, FileMOV, FileMPEG, FileOGG, and FileSndFile.

Definition at line 59 of file filebase.h.

Referenced by File::set_audio_position().

virtual int64_t FileBase::get_memory_usage ( ) [inline, virtual]

Reimplemented in FileEXR, FileGIF, FileList, FileMOV, FileMPEG, and FileTGA.

Definition at line 63 of file filebase.h.

Referenced by File::get_memory_usage().

virtual int FileBase::write_samples	(	double **	buffer,
		int64_t	len
	)			`[inline, virtual]`

Reimplemented in FileAC3, FileAVI, FileDV, FileMOV, FileMPEG, FileOGG, FileSndFile, and FileVorbis.

Definition at line 65 of file filebase.h.

Referenced by File::write_samples().

virtual int FileBase::write_frames	(	VFrame ***	frames,
		int	len
	)			`[inline, virtual]`

Reimplemented in FileAVI, FileDV, FileList, FileMOV, FileMPEG, FileOGG, and FileYUV.

Definition at line 67 of file filebase.h.

Referenced by File::write_frames().

virtual int FileBase::read_compressed_frame ( VFrame * buffer ) [inline, virtual]

Reimplemented in FileAVI, FileDV, and FileMOV.

Definition at line 68 of file filebase.h.

Referenced by File::read_compressed_frame().

virtual int FileBase::write_compressed_frame ( VFrame * buffers ) [inline, virtual]

Reimplemented in FileAVI, FileDV, and FileMOV.

Definition at line 69 of file filebase.h.

Referenced by File::write_compressed_frame().

virtual int64_t FileBase::compressed_frame_size ( ) [inline, virtual]

Reimplemented in FileAVI, FileDV, and FileMOV.

Definition at line 70 of file filebase.h.

Referenced by File::compressed_frame_size().

virtual int FileBase::read_samples	(	double *	buffer,
		int64_t	len
	)			`[inline, virtual]`

Reimplemented in FileAVI, FileDV, FileMOV, FileMPEG, FileOGG, FileSndFile, and FileVorbis.

Definition at line 72 of file filebase.h.

Referenced by File::read_samples().

virtual int FileBase::prefer_samples_float ( ) [inline, virtual]

Reimplemented in FileMPEG, and FileVorbis.

Definition at line 75 of file filebase.h.

Referenced by File::read_samples().

virtual int FileBase::read_samples_float	(	float *	buffer,
		int64_t	len
	)			`[inline, virtual]`

Reimplemented in FileMPEG, and FileVorbis.

Definition at line 76 of file filebase.h.

Referenced by File::read_samples().

virtual int FileBase::read_frame ( VFrame * frame ) [inline, virtual]

Reimplemented in FileAVI, FileCR2, FileDV, FileList, FileMOV, FileMPEG, FileOGG, and FileYUV.

Definition at line 78 of file filebase.h.

Referenced by File::read_frame().

virtual int FileBase::colormodel_supported ( int colormodel ) [inline, virtual]

Reimplemented in FileCR2, FileDV, FileEXR, FileJPEG, FileMOV, FileMPEG, FileOGG, FilePNG, FileTGA, FileTIFF, and FileYUV.

Definition at line 82 of file filebase.h.

References BC_RGB888.

Referenced by File::colormodel_supported().

virtual int FileBase::can_copy_from	(	Edit *	edit,
		int64_t	position
	)			`[inline, virtual]`

Reimplemented in FileDV, FileJPEG, FileMOV, FileMPEG, FilePNG, FileTGA, FileTIFF, and FileYUV.

Definition at line 84 of file filebase.h.

Referenced by File::can_copy_from().

virtual int FileBase::get_render_strategy ( ArrayList< int > * render_strategies ) [inline, virtual]

Definition at line 85 of file filebase.h.

int FileBase::search_render_strategies	(	ArrayList< int > *	render_strategies,
		int	render_strategy
	)			`[static, protected]`

Definition at line 155 of file filebase.C.

References ArrayList< TYPE >::total, and ArrayList< TYPE >::values.

int64_t FileBase::samples_to_raw	(	char *	out_buffer,
		float **	in_buffer,
		int64_t	input_len,
		int	bits,
		int	channels,
		int	byte_order,
		int	signed_
	)			`[protected]`

Definition at line 7 of file filebaseaudio.C.

References asset, bytes, File::bytes_per_sample(), Asset::channels, dither, file, floattoulaw(), generate_ulaw_tables(), get_byte_order(), and swap_bytes().

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int FileBase::raw_to_samples	(	float *	out_buffer,
		char *	in_buffer,
		int64_t	samples,
		int	bits,
		int	channels,
		int	channel,
		int	feather,
		float	lfeather_len,
		float	lfeather_gain,
		float	lfeather_slope
	)			`[protected]`

Definition at line 212 of file filebaseaudio.C.

References File::bytes_per_sample(), CENTER_MACRO1, CENTER_MACRO2, file, generate_ulaw_tables(), LFEATHER_MACRO1, LFEATHER_MACRO2, READ_16_MACRO, READ_24_MACRO, READ_8_MACRO, and READ_ULAW_MACRO.

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int FileBase::overlay_float_buffer	(	float *	out_buffer,
		float *	in_buffer,
		int64_t	samples,
		float	lfeather_len,
		float	lfeather_gain,
		float	lfeather_slope
	)			`[protected]`