truespeech.c File Reference

TrueSpeech decoder. More...

#include "libavutil/channel_layout.h"
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "bswapdsp.h"
#include "codec_internal.h"
#include "decode.h"
#include "get_bits.h"
#include "truespeech_data.h"

Go to the source code of this file.

Data Structures
struct	TSContext
	TrueSpeech decoder context. More...

Functions
static av_cold int	truespeech_decode_init (AVCodecContext *avctx)
static void	truespeech_read_frame (TSContext *dec, const uint8_t *input)
static void	truespeech_correlate_filter (TSContext *dec)
static void	truespeech_filters_merge (TSContext *dec)
static void	truespeech_apply_twopoint_filter (TSContext *dec, int quart)
static void	truespeech_place_pulses (TSContext *dec, int16_t *out, int quart)
static void	truespeech_update_filters (TSContext *dec, int16_t *out, int quart)
static void	truespeech_synth (TSContext *dec, int16_t *out, int quart)
static void	truespeech_save_prevvec (TSContext *c)
static int	truespeech_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt)

Variables
const FFCodec	ff_truespeech_decoder

Detailed Description

TrueSpeech decoder.

Definition in file truespeech.c.

Function Documentation

truespeech_decode_init()

static av_cold int truespeech_decode_init ( AVCodecContext * avctx )

static

Definition at line 63 of file truespeech.c.

truespeech_read_frame()

static void truespeech_read_frame ( TSContext * dec, const uint8_t * input )

static

Definition at line 81 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_correlate_filter()

static void truespeech_correlate_filter ( TSContext * dec )

static

Definition at line 129 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_filters_merge()

static void truespeech_filters_merge ( TSContext * dec )

static

Definition at line 148 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_apply_twopoint_filter()

static void truespeech_apply_twopoint_filter ( TSContext * dec, int quart )

static

Definition at line 169 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_place_pulses()

static void truespeech_place_pulses ( TSContext * dec, int16_t * out, int quart )

static

Definition at line 195 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_update_filters()

static void truespeech_update_filters ( TSContext * dec, int16_t * out, int quart )

static

Definition at line 238 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_synth()

static void truespeech_synth ( TSContext * dec, int16_t * out, int quart )

static

Definition at line 249 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_save_prevvec()

static void truespeech_save_prevvec ( TSContext * c )

static

Definition at line 300 of file truespeech.c.

Referenced by truespeech_decode_frame().

truespeech_decode_frame()

static int truespeech_decode_frame ( AVCodecContext * avctx, AVFrame * frame, int * got_frame_ptr, AVPacket * avpkt )

static

Definition at line 308 of file truespeech.c.

Variable Documentation

ff_truespeech_decoder

const FFCodec ff_truespeech_decoder

Initial value:

= {
    .p.name         = "truespeech",
    CODEC_LONG_NAME("DSP Group TrueSpeech"),
    .p.type         = AVMEDIA_TYPE_AUDIO,
    .p.id           = AV_CODEC_ID_TRUESPEECH,
    .priv_data_size = sizeof(TSContext),
    .init           = truespeech_decode_init,
    FF_CODEC_DECODE_CB(truespeech_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1,
}

Definition at line 363 of file truespeech.c.