FFmpeg
Data Fields
ALSBlockData Struct Reference

Data Fields

unsigned int  block_length
  number of samples within the block
 
unsigned int  ra_block
  if true, this is a random access block
 
int *  const_block
  if true, this is a constant value block
 
int  js_blocks
  true if this block contains a difference signal
 
unsigned int *  shift_lsbs
  shift of values for this block
 
unsigned int *  opt_order
  prediction order of this block
 
int *  store_prev_samples
  if true, carryover samples have to be stored
 
int *  use_ltp
  if true, long-term prediction is used
 
int *  ltp_lag
  lag value for long-term prediction
 
int *  ltp_gain
  gain values for ltp 5-tap filter
 
int32_t *  quant_cof
  quantized parcor coefficients
 
int32_t *  lpc_cof
  coefficients of the direct form prediction
 
int32_t *  raw_samples
  decoded raw samples / residuals for this block
 
int32_t *  prev_raw_samples
  contains unshifted raw samples from the previous block
 
int32_t *  raw_other
  decoded raw samples of the other channel of a channel pair
 

Detailed Description

Definition at line 229 of file alsdec.c.

Field Documentation

unsigned int ALSBlockData::block_length

number of samples within the block

Definition at line 230 of file alsdec.c.

Referenced by decode_block(), decode_blocks(), decode_blocks_ind(), decode_const_block_data(), decode_var_block_data(), read_const_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

unsigned int ALSBlockData::ra_block

if true, this is a random access block

Definition at line 231 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), and read_var_block_data().

int* ALSBlockData::const_block

if true, this is a constant value block

Definition at line 232 of file alsdec.c.

Referenced by decode_block(), decode_blocks(), decode_blocks_ind(), read_const_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int ALSBlockData::js_blocks

true if this block contains a difference signal

Definition at line 233 of file alsdec.c.

Referenced by decode_blocks(), decode_var_block_data(), read_const_block_data(), and read_var_block_data().

unsigned int* ALSBlockData::shift_lsbs

shift of values for this block

Definition at line 234 of file alsdec.c.

Referenced by decode_block(), decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_block(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

unsigned int* ALSBlockData::opt_order

prediction order of this block

Definition at line 235 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int* ALSBlockData::store_prev_samples

if true, carryover samples have to be stored

Definition at line 236 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int* ALSBlockData::use_ltp

if true, long-term prediction is used

Definition at line 237 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int* ALSBlockData::ltp_lag

lag value for long-term prediction

Definition at line 238 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int* ALSBlockData::ltp_gain

gain values for ltp 5-tap filter

Definition at line 239 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int32_t* ALSBlockData::quant_cof

quantized parcor coefficients

Definition at line 240 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int32_t* ALSBlockData::lpc_cof

coefficients of the direct form prediction

Definition at line 241 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), read_frame_data(), and revert_channel_correlation().

int32_t* ALSBlockData::raw_samples

decoded raw samples / residuals for this block

Definition at line 242 of file alsdec.c.

Referenced by decode_block(), decode_blocks(), decode_blocks_ind(), decode_const_block_data(), decode_var_block_data(), read_const_block_data(), read_frame_data(), read_var_block_data(), and revert_channel_correlation().

int32_t* ALSBlockData::prev_raw_samples

contains unshifted raw samples from the previous block

Definition at line 243 of file alsdec.c.

Referenced by decode_blocks(), decode_blocks_ind(), decode_var_block_data(), and read_frame_data().

int32_t* ALSBlockData::raw_other

decoded raw samples of the other channel of a channel pair

Definition at line 244 of file alsdec.c.

Referenced by decode_blocks(), decode_var_block_data(), read_frame_data(), and read_var_block_data().

The documentation for this struct was generated from the following file:
Generated on Wed Jul 10 2013 23:48:33 for FFmpeg by   doxygen 1.8.2

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