libvorbis.c File Reference

Vorbis encoding support via libvorbisenc. More...

#include <vorbis/vorbisenc.h>
#include "libavutil/fifo.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "audio_frame_queue.h"
#include "bytestream.h"
#include "internal.h"
#include "vorbis.h"
#include "vorbis_parser.h"
#include <assert.h>

Go to the source code of this file.

Data Structures
struct	OggVorbisContext

Macros
#define	OGGVORBIS_FRAME_SIZE   64
#define	BUFFER_SIZE   (1024 * 64)

Functions
static int	vorbis_error_to_averror (int ov_err)
static av_cold int	oggvorbis_init_encoder (vorbis_info *vi, AVCodecContext *avctx)
static int	xiph_len (int l)
static av_cold int	oggvorbis_encode_close (AVCodecContext *avctx)
static av_cold int	oggvorbis_encode_init (AVCodecContext *avctx)
static int	oggvorbis_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)

Variables
static const AVOption	options []
static const AVCodecDefault	defaults []
class {
libvorbis
av_default_item_name
options
};
AVCodec	ff_libvorbis_encoder

Detailed Description

Vorbis encoding support via libvorbisenc.

Author

Mark Hills mark@.nosp@m.pogo.nosp@m..org..nosp@m.uk

Definition in file libvorbis.c.

Macro Definition Documentation

#define OGGVORBIS_FRAME_SIZE   64

Definition at line 46 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

#define BUFFER_SIZE   (1024 * 64)

Definition at line 48 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

Function Documentation

static int vorbis_error_to_averror ( int  ov_err )

static

Definition at line 78 of file libvorbis.c.

Referenced by oggvorbis_encode_frame(), oggvorbis_encode_init(), and oggvorbis_init_encoder().

static av_cold int oggvorbis_init_encoder ( vorbis_info *  vi, AVCodecContext *  avctx  )

static

Definition at line 88 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

static int xiph_len ( int  l )

static

Definition at line 146 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

static av_cold int oggvorbis_encode_close ( AVCodecContext *  avctx )

static

Definition at line 151 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

static av_cold int oggvorbis_encode_init ( AVCodecContext *  avctx )

static

Definition at line 170 of file libvorbis.c.

static int oggvorbis_encode_frame ( AVCodecContext *  avctx, AVPacket *  avpkt, const AVFrame *  frame, int *  got_packet_ptr  )

static

Definition at line 247 of file libvorbis.c.

Variable Documentation

options

static

Initial value:

 {
    { "iblock", "Sets the impulse block bias", 0x42, AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, -15, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
    { NULL }
}

Definition at line 65 of file libvorbis.c.

const AVCodecDefault defaults[]

static

Initial value:

 {
    { "b",  "0" },
    { NULL },
}

Definition at line 70 of file libvorbis.c.

libvorbis

Definition at line 75 of file libvorbis.c.

Referenced by avcodec_register_all().

av_default_item_name

Definition at line 75 of file libvorbis.c.

const { ... }

AVCodec ff_libvorbis_encoder

Initial value:

 {
    .name           = "libvorbis",
    .long_name      = NULL_IF_CONFIG_SMALL("libvorbis Vorbis"),
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_VORBIS,
    .priv_data_size = sizeof(OggVorbisContext),
    .init           = oggvorbis_encode_init,
    .encode2        = oggvorbis_encode_frame,
    .close          = oggvorbis_encode_close,
    .capabilities   = CODEC_CAP_DELAY,
    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
                                                      AV_SAMPLE_FMT_NONE },
    .priv_class     = &class,
    .defaults       = defaults,
}

Definition at line 338 of file libvorbis.c.