FFmpeg
Data Structures | Functions | Variables
truespeech.c File Reference
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.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

const AVCodec 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 80 of file truespeech.c.

Referenced by truespeech_decode_frame().

◆ truespeech_correlate_filter()

static void truespeech_correlate_filter ( TSContext dec)
static

Definition at line 128 of file truespeech.c.

Referenced by truespeech_decode_frame().

◆ truespeech_filters_merge()

static void truespeech_filters_merge ( TSContext dec)
static

Definition at line 147 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 168 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 194 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 237 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 248 of file truespeech.c.

Referenced by truespeech_decode_frame().

◆ truespeech_save_prevvec()

static void truespeech_save_prevvec ( TSContext c)
static

Definition at line 299 of file truespeech.c.

Referenced by truespeech_decode_frame().

◆ truespeech_decode_frame()

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

Definition at line 307 of file truespeech.c.

Variable Documentation

◆ ff_truespeech_decoder

const AVCodec ff_truespeech_decoder
Initial value:
= {
.name = "truespeech",
.long_name = NULL_IF_CONFIG_SMALL("DSP Group TrueSpeech"),
.priv_data_size = sizeof(TSContext),
.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 358 of file truespeech.c.

FF_CODEC_CAP_INIT_THREADSAFE
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:41
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
truespeech_decode_init
static av_cold int truespeech_decode_init(AVCodecContext *avctx)
Definition: truespeech.c:63
decode
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:71
AVMEDIA_TYPE_AUDIO
@ AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
TSContext
TrueSpeech decoder context.
Definition: truespeech.c:40
AV_CODEC_ID_TRUESPEECH
@ AV_CODEC_ID_TRUESPEECH
Definition: codec_id.h:442
truespeech_decode_frame
static int truespeech_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
Definition: truespeech.c:307