liblc3enc.c File Reference

#include <lc3.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "codec.h"
#include "codec_internal.h"
#include "encode.h"

Go to the source code of this file.

Data Structures
struct	LibLC3EncOpts
struct	LibLC3EncContext

Macros
#define	ENCODER_MAX_CHANNELS   2
#define	OFFSET(x)   offsetof(LibLC3EncContext, opts.x)
#define	FLAGS   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static av_cold int	liblc3_encode_init (AVCodecContext *avctx)
static av_cold int	liblc3_encode_close (AVCodecContext *avctx)
static int	liblc3_encode (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet_ptr)

Variables
static const AVOption	options []
class {
class_name = "liblc3 encoder"
item_name = av_default_item_name
option = options
version = LIBAVUTIL_VERSION_INT
};
const FFCodec	ff_liblc3_encoder

Macro Definition Documentation

ENCODER_MAX_CHANNELS

#define ENCODER_MAX_CHANNELS   2

Definition at line 31 of file liblc3enc.c.

OFFSET

#define OFFSET

(

x

)

offsetof(LibLC3EncContext, opts.x)

Definition at line 179 of file liblc3enc.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 180 of file liblc3enc.c.

Function Documentation

liblc3_encode_init()

static av_cold int liblc3_encode_init ( AVCodecContext *  avctx )

static

Definition at line 48 of file liblc3enc.c.

liblc3_encode_close()

static av_cold int liblc3_encode_close ( AVCodecContext *  avctx )

static

Definition at line 125 of file liblc3enc.c.

liblc3_encode()

static int liblc3_encode ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  frame, int *  got_packet_ptr  )

static

Definition at line 134 of file liblc3enc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "frame_duration", "Duration of a frame in milliseconds",
        OFFSET(frame_duration), AV_OPT_TYPE_FLOAT,
        { .dbl = 10.0 }, 2.5, 10.0, FLAGS },
    { "high_resolution", "Enable High-Resolution mode (48 KHz or 96 KHz)",
        OFFSET(hr_mode), AV_OPT_TYPE_BOOL,
        { .i64 = 0 }, 0, 1, FLAGS },
    { NULL }
}

Definition at line 181 of file liblc3enc.c.

class_name

class_name = "liblc3 encoder"

private

Definition at line 192 of file liblc3enc.c.

item_name

item_name = av_default_item_name

private

Definition at line 193 of file liblc3enc.c.

option

option = options

private

Definition at line 194 of file liblc3enc.c.

version

version = LIBAVUTIL_VERSION_INT

private

Definition at line 195 of file liblc3enc.c.

@128

const { ... }

ff_liblc3_encoder

const FFCodec ff_liblc3_encoder

Initial value:

= {
    .p.name         = "liblc3",
    CODEC_LONG_NAME("LC3 (Low Complexity Communication Codec)"),
    .p.type         = AVMEDIA_TYPE_AUDIO,
    .p.id           = AV_CODEC_ID_LC3,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY,
    .p.supported_samplerates = (const int [])
        { 96000, 48000, 32000, 24000, 16000, 8000, 0 },
    .p.sample_fmts = (const enum AVSampleFormat[])
        { AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE },
    .p.priv_class   = &class,
    .p.wrapper_name = "liblc3",
    .priv_data_size = sizeof(LibLC3EncContext),
    .init           = liblc3_encode_init,
    .close          = liblc3_encode_close,
    FF_CODEC_ENCODE_CB(liblc3_encode),
}

Definition at line 198 of file liblc3enc.c.