truespeech.c File Reference

TrueSpeech decoder. More...

#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bswapdsp.h"
#include "get_bits.h"
#include "internal.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, void *data, int *got_frame_ptr, AVPacket *avpkt)

Variables
AVCodec	ff_truespeech_decoder

Detailed Description

TrueSpeech decoder.

Definition in file truespeech.c.

Function Documentation

static av_cold int truespeech_decode_init ( AVCodecContext *  avctx )

static

Definition at line 61 of file truespeech.c.

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

static

Definition at line 78 of file truespeech.c.

Referenced by truespeech_decode_frame().

static void truespeech_correlate_filter ( TSContext *  dec )

static

Definition at line 126 of file truespeech.c.

Referenced by truespeech_decode_frame().

static void truespeech_filters_merge ( TSContext *  dec )

static

Definition at line 146 of file truespeech.c.

Referenced by truespeech_decode_frame().

static void truespeech_apply_twopoint_filter ( TSContext *  dec, int  quart  )

static

Definition at line 167 of file truespeech.c.

Referenced by truespeech_decode_frame().

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

static

Definition at line 193 of file truespeech.c.

Referenced by truespeech_decode_frame().

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

static

Definition at line 236 of file truespeech.c.

Referenced by truespeech_decode_frame().

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

static

Definition at line 247 of file truespeech.c.

Referenced by truespeech_decode_frame().

static void truespeech_save_prevvec ( TSContext *  c )

static

Definition at line 298 of file truespeech.c.

Referenced by truespeech_decode_frame().

static int truespeech_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame_ptr, AVPacket *  avpkt  )

static

Definition at line 306 of file truespeech.c.

Variable Documentation

AVCodec ff_truespeech_decoder

Initial value:

= {
    .name           = "truespeech",
    .long_name      = NULL_IF_CONFIG_SMALL("DSP Group TrueSpeech"),
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_TRUESPEECH,
    .priv_data_size = sizeof(TSContext),
    .init           = truespeech_decode_init,
    .decode         = truespeech_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
}

Definition at line 357 of file truespeech.c.