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 "codec_internal.h"
#include "decode.h"
#include "internal.h"
#include "mathops.h"
#include "libopus.h"
#include "vorbis_data.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)
#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, AVFrame *frame, int *got_frame_ptr, AVPacket *pkt)
static void	libopus_flush (AVCodecContext *avc)

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

Macro Definition Documentation

OPUS_HEAD_SIZE

#define OPUS_HEAD_SIZE   19

Definition at line 50 of file libopusdec.c.

Referenced by libopus_decode_init(), and parse_opus_header().

MAX_FRAME_SIZE

#define MAX_FRAME_SIZE   (960 * 6)

Definition at line 158 of file libopusdec.c.

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(struct libopus_context, x)

Definition at line 217 of file libopusdec.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 218 of file libopusdec.c.

Function Documentation

libopus_decode_init()

static av_cold int libopus_decode_init ( AVCodecContext * avc )

static

Definition at line 52 of file libopusdec.c.

libopus_decode_close()

static av_cold int libopus_decode_close ( AVCodecContext * avc )

static

Definition at line 147 of file libopusdec.c.

libopus_decode()

static int libopus_decode ( AVCodecContext * avc, AVFrame * frame, int * got_frame_ptr, AVPacket * pkt )

static

Definition at line 160 of file libopusdec.c.

libopus_flush()

static void libopus_flush ( AVCodecContext * avc )

static

Definition at line 206 of file libopusdec.c.

Variable Documentation

libopusdec_options

const AVOption libopusdec_options[]

static

Initial value:

= {
 
 
 
    { NULL },
}

Definition at line 219 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 226 of file libopusdec.c.

ff_libopus_decoder

const FFCodec ff_libopus_decoder

Initial value:

= {
    .p.name         = "libopus",
    CODEC_LONG_NAME("libopus Opus"),
    .p.type         = AVMEDIA_TYPE_AUDIO,
    .p.id           = AV_CODEC_ID_OPUS,
    .priv_data_size = sizeof(struct libopus_context),
    .init           = libopus_decode_init,
    .close          = libopus_decode_close,
    FF_CODEC_DECODE_CB(libopus_decode),
    .flush          = libopus_flush,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
                      FF_CODEC_CAP_INIT_CLEANUP,
    CODEC_SAMPLEFMTS(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16),
    .p.priv_class   = &libopusdec_class,
    .p.wrapper_name = "libopus",
}

Definition at line 234 of file libopusdec.c.