#include <stdint.h>#include "libavcodec/avcodec.h"#include "dsp.h"#include "rc.h"#include "libavutil/float_dsp.h"#include "libavutil/libm.h"#include "libavutil/mem_internal.h"#include "libavutil/tx.h"Go to the source code of this file.
Data Structures | |
| struct | CeltBlock |
| struct | CeltFrame |
Macros | |
| #define | CELT_SHORT_BLOCKSIZE 120 |
| #define | CELT_OVERLAP CELT_SHORT_BLOCKSIZE |
| #define | CELT_MAX_LOG_BLOCKS 3 |
| #define | CELT_MAX_FRAME_SIZE (CELT_SHORT_BLOCKSIZE * (1 << CELT_MAX_LOG_BLOCKS)) |
| #define | CELT_MAX_BANDS 21 |
| #define | CELT_VECTORS 11 |
| #define | CELT_ALLOC_STEPS 6 |
| #define | CELT_FINE_OFFSET 21 |
| #define | CELT_MAX_FINE_BITS 8 |
| #define | CELT_NORM_SCALE 16384 |
| #define | CELT_QTHETA_OFFSET 4 |
| #define | CELT_QTHETA_OFFSET_TWOPHASE 16 |
| #define | CELT_POSTFILTER_MINPERIOD 15 |
| #define | CELT_ENERGY_SILENCE (-28.0f) |
Enumerations | |
| enum | CeltSpread { CELT_SPREAD_NONE , CELT_SPREAD_LIGHT , CELT_SPREAD_NORMAL , CELT_SPREAD_AGGRESSIVE } |
| enum | CeltBlockSize { CELT_BLOCK_120 , CELT_BLOCK_240 , CELT_BLOCK_480 , CELT_BLOCK_960 , CELT_BLOCK_NB } |
Functions | |
| static av_always_inline uint32_t | celt_rng (CeltFrame *f) |
| static av_always_inline void | celt_renormalize_vector (float *X, int N, float gain) |
| int | ff_celt_init (AVCodecContext *avctx, CeltFrame **f, int output_channels, int apply_phase_inv) |
| void | ff_celt_free (CeltFrame **f) |
| void | ff_celt_flush (CeltFrame *f) |
| int | ff_celt_decode_frame (CeltFrame *f, OpusRangeCoder *rc, float **output, int coded_channels, int frame_size, int startband, int endband) |
| void | ff_celt_quant_bands (CeltFrame *f, OpusRangeCoder *rc) |
| void | ff_celt_bitalloc (CeltFrame *f, OpusRangeCoder *rc, int encode) |
Macro Definition Documentation
◆ CELT_SHORT_BLOCKSIZE
| #define CELT_SHORT_BLOCKSIZE 120 |
Definition at line 39 of file celt.h.
Referenced by ff_celt_decode_frame(), and flush_silent_frames().
◆ CELT_OVERLAP
| #define CELT_OVERLAP CELT_SHORT_BLOCKSIZE |
Definition at line 40 of file celt.h.
Referenced by celt_apply_preemph_filter(), celt_frame_mdct(), celt_frame_setup_input(), celt_postfilter(), celt_postfilter_apply_transition(), ff_celt_decode_frame(), ff_opus_psy_celt_frame_init(), and ff_opus_psy_celt_frame_process().
◆ CELT_MAX_LOG_BLOCKS
| #define CELT_MAX_LOG_BLOCKS 3 |
Definition at line 41 of file celt.h.
Referenced by ff_celt_decode_frame().
◆ CELT_MAX_FRAME_SIZE
| #define CELT_MAX_FRAME_SIZE (CELT_SHORT_BLOCKSIZE * (1 << CELT_MAX_LOG_BLOCKS)) |
◆ CELT_MAX_BANDS
| #define CELT_MAX_BANDS 21 |
Definition at line 43 of file celt.h.
Referenced by bands_dist(), celt_decode_coarse_energy(), celt_encode_frame(), celt_frame_mdct(), celt_gauge_psy_weight(), celt_quant_coarse(), celt_search_for_intensity(), celt_search_for_tf(), exp_quant_coarse(), ff_celt_bitalloc(), ff_celt_decode_frame(), ff_celt_flush(), ff_opus_psy_celt_frame_init(), ff_opus_psy_init(), opus_encode_init(), quant_band_template(), and step_collect_psy_metrics().
◆ CELT_VECTORS
| #define CELT_VECTORS 11 |
Definition at line 45 of file celt.h.
Referenced by ff_celt_bitalloc().
◆ CELT_ALLOC_STEPS
| #define CELT_ALLOC_STEPS 6 |
Definition at line 46 of file celt.h.
Referenced by ff_celt_bitalloc().
◆ CELT_FINE_OFFSET
◆ CELT_MAX_FINE_BITS
| #define CELT_MAX_FINE_BITS 8 |
Definition at line 48 of file celt.h.
Referenced by celt_decode_final_energy(), and celt_quant_final().
◆ CELT_NORM_SCALE
◆ CELT_QTHETA_OFFSET
| #define CELT_QTHETA_OFFSET 4 |
Definition at line 50 of file celt.h.
Referenced by quant_band_template().
◆ CELT_QTHETA_OFFSET_TWOPHASE
| #define CELT_QTHETA_OFFSET_TWOPHASE 16 |
Definition at line 51 of file celt.h.
Referenced by quant_band_template().
◆ CELT_POSTFILTER_MINPERIOD
| #define CELT_POSTFILTER_MINPERIOD 15 |
Definition at line 52 of file celt.h.
Referenced by celt_enc_quant_pfilter(), and parse_postfilter().
◆ CELT_ENERGY_SILENCE
| #define CELT_ENERGY_SILENCE (-28.0f) |
Definition at line 53 of file celt.h.
Referenced by celt_frame_mdct(), ff_celt_decode_frame(), and ff_celt_flush().
Enumeration Type Documentation
◆ CeltSpread
| enum CeltSpread |
◆ CeltBlockSize
| enum CeltBlockSize |
Function Documentation
◆ celt_rng()
|
static |
Definition at line 150 of file celt.h.
Referenced by process_anticollapse(), and quant_band_template().
◆ celt_renormalize_vector()
|
static |
Definition at line 156 of file celt.h.
Referenced by process_anticollapse(), and quant_band_template().
◆ ff_celt_init()
| int ff_celt_init | ( | AVCodecContext * | avctx, |
| CeltFrame ** | f, | ||
| int | output_channels, | ||
| int | apply_phase_inv ) |
Definition at line 547 of file dec_celt.c.
Referenced by opus_decode_init().
◆ ff_celt_free()
| void ff_celt_free | ( | CeltFrame ** | f | ) |
Definition at line 530 of file dec_celt.c.
Referenced by ff_celt_init(), and opus_decode_close().
◆ ff_celt_flush()
| void ff_celt_flush | ( | CeltFrame * | f | ) |
Definition at line 499 of file dec_celt.c.
Referenced by ff_celt_init(), opus_decode_flush(), and opus_decode_frame().
◆ ff_celt_decode_frame()
| int ff_celt_decode_frame | ( | CeltFrame * | f, |
| OpusRangeCoder * | rc, | ||
| float ** | output, | ||
| int | coded_channels, | ||
| int | frame_size, | ||
| int | startband, | ||
| int | endband ) |
Definition at line 323 of file dec_celt.c.
Referenced by opus_decode_frame(), and opus_decode_redundancy().
◆ ff_celt_quant_bands()
| void ff_celt_quant_bands | ( | CeltFrame * | f, |
| OpusRangeCoder * | rc ) |
Definition at line 28 of file celt.c.
Referenced by celt_encode_frame(), and ff_celt_decode_frame().
◆ ff_celt_bitalloc()
| void ff_celt_bitalloc | ( | CeltFrame * | f, |
| OpusRangeCoder * | rc, | ||
| int | encode ) |
Definition at line 137 of file celt.c.
Referenced by bands_dist(), celt_encode_frame(), and ff_celt_decode_frame().
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