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More OKed parts of the QCELP decoder

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patch by Kenan Gillet, kenan.gillet gmail com

Originally committed as revision 15961 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kenan Gillet
2008-11-30 17:18:17 +00:00
committed by Vitor Sessak
parent 6dbdf2f26e
commit 640760da3e
2 changed files with 236 additions and 13 deletions
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31
libavcodec/qcelpdata.h
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@@ -33,6 +33,33 @@
#include <stdint.h>
#include "libavutil/common.h"
/**
* QCELP unpacked data frame
*/
typedef struct {
/// @defgroup qcelp_codebook_parameters QCELP excitation codebook parameters
/// @{
uint8_t cbsign[16]; ///!< sign of the codebook gain for each codebook subframe
uint8_t cbgain[16]; ///!< unsigned codebook gain for each codebook subframe
uint8_t cindex[16]; ///!< codebook index for each codebook subframe
/// @}
/// @defgroup qcelp_pitch_parameters QCELP pitch prediction parameters
/// @{
uint8_t plag[4]; ///!< pitch lag for each pitch subframe
uint8_t pfrac[4]; ///!< fractional pitch lag for each pitch subframe
uint8_t pgain[4]; ///!< pitch gain for each pitch subframe
/// @}
/**
* line spectral pair frequencies (LSP) for RATE_OCTAVE,
* line spectral pair frequencies grouped into five vectors
* of dimension two (LSPV) for other rates
*/
uint8_t lspv[10];
} QCELPFrame;
/**
* pre-calculated table for hammsinc function
* Only half of the table is needed because of symmetry.
@@ -47,7 +74,7 @@ typedef struct {
uint8_t bitlen; /*!< number of bits to read */
} QCELPBitmap;
#define QCELP_OF(variable, bit, len) {offsetof(QCELPContext, variable), bit, len}
#define QCELP_OF(variable, bit, len) {offsetof(QCELPFrame, variable), bit, len}
/* Disable the below code for now to allow 'make checkheaders' to pass. */
#if 0
@@ -243,7 +270,7 @@ static const QCELPBitmap * const qcelp_unpacking_bitmaps_per_rate[5] = {
qcelp_rate_full_bitmap,
};
static const uint16_t qcelp_bits_per_rate[5] = {
static const uint16_t qcelp_unpacking_bitmaps_lengths[5] = {
0, ///!< for SILENCE rate
FF_ARRAY_ELEMS(qcelp_rate_octave_bitmap),
FF_ARRAY_ELEMS(qcelp_rate_quarter_bitmap),