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FileBase Class Reference

#include <filebase.h>

Inheritance diagram for FileBase:

FileAC3 FileAVI FileCR2 FileDV FileGIF FileList FileMOV FileMPEG FileOGG FileSndFile FileVorbis FileYUV List of all members.

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 int 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().

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.

Member Function Documentation

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 85 of file filebase.h.

Referenced by File::can_copy_from().

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

Definition at line 47 of file filebase.h.

int FileBase::close_file (   )  [virtual]
 

Reimplemented in FileAC3, FileAVI, FileCR2, FileDV, 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(), and FileGIF::~FileGIF().

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().

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 83 of file filebase.h.

Referenced by File::colormodel_supported().

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().

int FileBase::delete_ima4 (   )  [private]
 

Definition at line 36 of file filebaseima4.C.

References last_ima4_indexes, and last_ima4_samples.

Referenced by close_file(), and ~FileBase().

int FileBase::delete_ulaw_tables (   )  [private]
 

Definition at line 101 of file filebaseulaw.C.

References floattoulaw_table, and ulawtofloat_table.

Referenced by reset_parameters().

char FileBase::floattoulaw (  float  value  )  [private]
 

Definition at line 15 of file filebaseulaw.C.

References floattoulaw_ptr.

Referenced by samples_to_raw().

int64_t FileBase::frame_to_raw (  unsigned char *  out_buffer,
VFrame *  in_frame,
int  w,
int  h,
int  use_alpha,
int  use_float,
int  color_model
)  [protected]
 

int FileBase::generate_ulaw_tables (   )  [private]
 

Definition at line 26 of file filebaseulaw.C.

References floattoulaw_ptr, floattoulaw_table, uBIAS, uCLIP, ulawtofloat_ptr, and ulawtofloat_table.

Referenced by raw_to_samples(), and samples_to_raw().

int FileBase::get_audio_buffer (  char **  buffer,
int64_t  len,
int64_t  bits,
int64_t  channels
)  [protected]
 

Definition at line 369 of file filebaseaudio.C.

References File::bytes_per_sample(), file, and prev_bytes.

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

Reimplemented in FileDV, and FileOGG.

Definition at line 57 of file filebase.h.

int FileBase::get_float_buffer (  float **  buffer,
int64_t  len
)  [protected]
 

Definition at line 382 of file filebaseaudio.C.

References prev_len.

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::get_memory_usage (   )  [inline, virtual]
 

Reimplemented in FileEXR, FileGIF, FileList, and FileTGA.

Definition at line 63 of file filebase.h.

Referenced by File::get_memory_usage().

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.

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_render_strategy (  ArrayList< int > *  render_strategies  )  [inline, virtual]
 

Definition at line 86 of file filebase.h.

int FileBase::get_row_pointers (  unsigned char *  buffer,
unsigned char ***  pointers,
int  depth
)  [protected]
 

Definition at line 125 of file filebase.C.

References asset, Asset::height, and Asset::width.

int FileBase::get_video_buffer (  unsigned char **  buffer,
int  depth
)  [protected]
 

Definition at line 113 of file filebase.C.

References asset, Asset::height, and Asset::width.

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

Reimplemented in FileDV, and FileOGG.

Definition at line 56 of file filebase.h.

int64_t FileBase::ima4_bytes_to_samples (  int64_t  bytes,
int  channels
)  [protected]
 

Definition at line 241 of file filebaseima4.C.

References ima4_block_samples, and ima4_block_size.

int FileBase::ima4_decode_block (  int16_t *  output,
unsigned char *  input
)  [private]
 

Definition at line 44 of file filebaseima4.C.

int FileBase::ima4_decode_sample (  int *  predictor,
int  nibble,
int *  index,
int *  step
)  [private]
 

Definition at line 91 of file filebaseima4.C.

References ima4_index, and ima4_step.

int FileBase::ima4_encode_block (  unsigned char *  output,
int16_t *  input,
int  step,
int  channel
)  [private]
 

Definition at line 129 of file filebaseima4.C.

References asset, Asset::channels, ima4_block_size, ima4_encode_sample(), last_ima4_indexes, and last_ima4_samples.

int FileBase::ima4_encode_sample (  int *  last_sample,
int *  last_index,
int *  nibble,
int  next_sample
)  [private]
 

Definition at line 186 of file filebaseima4.C.

References ima4_index, and ima4_step.

Referenced by ima4_encode_block().

int64_t FileBase::ima4_samples_to_bytes (  int64_t  samples,
int  channels
)  [protected]
 

Definition at line 235 of file filebaseima4.C.

References ima4_block_samples, and ima4_block_size.

int FileBase::init_ima4 (   )  [private]
 

Definition at line 28 of file filebaseima4.C.

References asset, Asset::channels, ima4_block_samples, ima4_block_size, last_ima4_indexes, and last_ima4_samples.

Referenced by FileBase().

int FileBase::match4 (  char *  in,
char *  out
)  [static, protected]
 

Definition at line 144 of file filebase.C.

Referenced by FilePNG::can_copy_from(), FileMOV::can_copy_from(), FileJPEGList::can_copy_from(), FileJPEG::can_copy_from(), FileMOV::compressiontostr(), FileMOV::get_best_colormodel(), FileMOV::open_file(), and FileMOV::write_frames().

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

Definition at line 349 of file filebaseaudio.C.

References CENTER_MACRO1, CENTER_MACRO2, LFEATHER_MACRO1, and LFEATHER_MACRO2.

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

Reimplemented in FileMPEG, and FileVorbis.

Definition at line 76 of file filebase.h.

Referenced by File::read_samples().

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.

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

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

Definition at line 79 of file filebase.h.

Referenced by File::read_frame().

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

Reimplemented in FileGIF.

Definition at line 49 of file filebase.h.

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 73 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 77 of file filebase.h.

Referenced by File::read_samples().

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(), FileMPEG::FileMPEG(), FileOGG::FileOGG(), and FileVorbis::FileVorbis().

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().

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

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

Definition at line 155 of file filebase.C.

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 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().

int FileBase::set_dither (   ) 
 

Definition at line 49 of file filebase.C.

References dither.

Referenced by File::open_file().

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().

float FileBase::ulawtofloat (  char  ulaw  )  [private]
 

Definition at line 9 of file filebaseulaw.C.

References ulawtofloat_ptr.

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 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::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().

Friends And Related Function Documentation

friend class File [friend]
 

Definition at line 25 of file filebase.h.

friend class FileList [friend]
 

Definition at line 26 of file filebase.h.

friend class FrameWriter [friend]
 

Definition at line 27 of file filebase.h.

Referenced by FileList::open_file().

Member Data Documentation

Asset* FileBase::asset [protected]
 

Definition at line 145 of file filebase.h.

Referenced by FileSndFile::asset_to_format(), FileMOV::asset_to_format(), FileList::calculate_path(), FileVorbis::close_file(), FileOGG::close_file(), FileMOV::close_file(), FileList::close_file(), FileTIFF::colormodel_supported(), FileMPEG::create_index(), FileList::create_path(), FileMPEGVideo::FileMPEGVideo(), FileOGG::flush_ogg(), FileSndFile::format_to_asset(), FileMOV::format_to_asset(), FileCR2::format_to_asset(), FileMPEG::get_index(), FileGIF::get_memory_usage(), FileEXR::get_memory_usage(), get_mode(), get_row_pointers(), get_video_buffer(), ima4_encode_block(), FileGIF::import_row(), init_ima4(), FileOGG::move_history(), FileMOV::new_audio_temp(), FileOGG::ogg_get_page_of_frame(), FileOGG::ogg_get_page_of_sample(), FileYUV::open_file(), FileVorbis::open_file(), FileSndFile::open_file(), FileOGG::open_file(), FileMPEG::open_file(), FileMOV::open_file(), FileList::open_file(), FileCR2::open_file(), FileAVI::open_file(), FileAC3::open_file(), FileTIFF::read_frame(), FileTGA::read_frame(), FileMPEG::read_frame(), FileList::read_frame(), FileJPEGList::read_frame(), FileJPEG::read_frame(), FileEXR::read_frame(), FileCR2::read_frame(), FileAVI::read_frame(), FileTIFF::read_frame_header(), FileTGA::read_frame_header(), FilePNG::read_frame_header(), FileJPEG::read_frame_header(), FileEXR::read_frame_header(), FileGIF::read_header(), FileList::read_list_header(), FileGIF::read_raw(), FileVorbis::read_samples(), FileSndFile::read_samples(), FileOGG::read_samples(), FileAVI::read_samples(), FileVorbis::read_samples_float(), FileMPEGVideo::run(), FileMOVThread::run(), samples_to_raw(), FileMPEG::set_audio_position(), FileMOV::set_audio_position(), FileAVI::set_audio_position(), FileMPEG::set_video_position(), FileMOV::set_video_position(), FileAVI::set_video_position(), FileMOVThread::start_encoding(), FileTIFF::write_frame(), FileTGA::write_frame(), FilePNG::write_frame(), FileJPEGList::write_frame(), FileJPEG::write_frame(), FileEXR::write_frame(), FileYUV::write_frames(), FileMPEG::write_frames(), FileMOV::write_frames(), FrameWriter::write_frames(), FileList::write_frames(), FileList::write_list_header(), FileVorbis::write_samples(), FileSndFile::write_samples(), FileMPEG::write_samples(), FileMOV::write_samples(), FileAC3::write_samples(), FileOGG::write_samples_vorbis(), and FileOGG::~FileOGG().

char* FileBase::audio_buffer_in [protected]
 

Definition at line 135 of file filebase.h.

Referenced by close_file(), reset_parameters(), and ~FileBase().

char * FileBase::audio_buffer_out [protected]
 

Definition at line 135 of file filebase.h.

Referenced by close_file(), reset_parameters(), and ~FileBase().

int FileBase::dither [protected]
 

Definition at line 147 of file filebase.h.

Referenced by reset_parameters(), samples_to_raw(), and set_dither().

File* FileBase::file [protected]
 

Definition at line 149 of file filebase.h.

Referenced by FileMPEG::close_file(), FileMOV::close_file(), FileMOV::compressed_frame_size(), FileMPEG::create_index(), FileList::create_path(), get_audio_buffer(), FileMPEG::open_file(), FileMOV::open_file(), FileList::open_file(), raw_to_samples(), FileMOV::read_compressed_frame(), FileMPEG::read_frame(), FileMOV::read_frame(), FileList::read_frame(), FileJPEGList::read_frame(), FileEXR::read_frame(), FileAVI::read_frame(), FileEXR::read_frame_header(), FileMOV::read_raw(), FileVorbis::read_samples(), FileSndFile::read_samples(), FileOGG::read_samples(), FileMPEG::read_samples(), FileMOV::read_samples(), FileAVI::read_samples(), FileVorbis::read_samples_float(), FileMPEG::read_samples_float(), samples_to_raw(), FileMPEG::set_audio_position(), FileAVI::set_audio_position(), FileMPEG::set_video_position(), FileMOV::set_video_position(), FileAVI::set_video_position(), FileMPEG::to_streamchannel(), FileMOV::write_compressed_frame(), FileJPEGList::write_frame(), FileEXR::write_frame(), and FileMOV::write_frames().

float* FileBase::float_buffer [protected]
 

Definition at line 136 of file filebase.h.

Referenced by close_file(), reset_parameters(), and