libopusdec.c File Reference

#include <opus.h>
#include <opus_multistream.h>
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "vorbis.h"
#include "mathops.h"
#include "libopus.h"

Go to the source code of this file.

Data Structures
struct	libopus_context

Macros
#define	OPUS_HEAD_SIZE   19
#define	MAX_FRAME_SIZE   (960 * 6)
#define	OFFSET(x)   offsetof(struct libopus_context, x)
#define	FLAGS   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Functions
static av_cold int	libopus_decode_init (AVCodecContext *avc)
static av_cold int	libopus_decode_close (AVCodecContext *avc)
static int	libopus_decode (AVCodecContext *avc, void *data, int *got_frame_ptr, AVPacket *pkt)
static void	libopus_flush (AVCodecContext *avc)

Variables
static const AVOption	libopusdec_options []
static const AVClass	libopusdec_class
AVCodec	ff_libopus_decoder

Macro Definition Documentation

OPUS_HEAD_SIZE

#define OPUS_HEAD_SIZE   19

Definition at line 48 of file libopusdec.c.

Referenced by libopus_decode_init().

MAX_FRAME_SIZE

#define MAX_FRAME_SIZE   (960 * 6)

Definition at line 170 of file libopusdec.c.

Referenced by libopus_decode().

OFFSET

#define OFFSET

(

x

)

offsetof(struct libopus_context, x)

Definition at line 230 of file libopusdec.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 231 of file libopusdec.c.

Function Documentation

libopus_decode_init()

static av_cold int libopus_decode_init ( AVCodecContext *  avc )

static

Definition at line 50 of file libopusdec.c.

libopus_decode_close()

static av_cold int libopus_decode_close ( AVCodecContext *  avc )

static

Definition at line 159 of file libopusdec.c.

libopus_decode()

static int libopus_decode ( AVCodecContext *  avc, void *  data, int *  got_frame_ptr, AVPacket *  pkt  )

static

Definition at line 172 of file libopusdec.c.

libopus_flush()

static void libopus_flush ( AVCodecContext *  avc )

static

Definition at line 219 of file libopusdec.c.

Variable Documentation

libopusdec_options

const AVOption libopusdec_options[]

static

Initial value:

= {



    { NULL },
}

Definition at line 232 of file libopusdec.c.

libopusdec_class

const AVClass libopusdec_class

static

Initial value:

= {
    .class_name = "libopusdec",
    .item_name  = av_default_item_name,
    .option     = libopusdec_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 239 of file libopusdec.c.

ff_libopus_decoder

AVCodec ff_libopus_decoder

Initial value:

= {
    .name           = "libopus",
    .long_name      = NULL_IF_CONFIG_SMALL("libopus Opus"),
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_OPUS,
    .priv_data_size = sizeof(struct libopus_context),
    .init           = libopus_decode_init,
    .close          = libopus_decode_close,
    .decode         = libopus_decode,
    .flush          = libopus_flush,
    .capabilities   = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLT,
                                                     AV_SAMPLE_FMT_S16,
                                                     AV_SAMPLE_FMT_NONE },
    .priv_class     = &libopusdec_class,
    .wrapper_name   = "libopus",
}

Definition at line 247 of file libopusdec.c.