libvorbisenc.c File Reference

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

Include dependency graph for libvorbisenc.c:

Go to the source code of this file.

Data Structures
struct	OggVorbisEncContext

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

Typedefs
typedef struct OggVorbisEncContext	OggVorbisEncContext

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 {
class_name = "libvorbis"
item_name = av_default_item_name
option = options
version = LIBAVUTIL_VERSION_INT
};
AVCodec	ff_libvorbis_encoder

Macro Definition Documentation

#define BUFFER_SIZE   (1024 * 64)

Definition at line 40 of file libvorbisenc.c.

Referenced by oggvorbis_encode_init().

#define OGGVORBIS_FRAME_SIZE   64

Definition at line 38 of file libvorbisenc.c.

Referenced by oggvorbis_encode_init().

Typedef Documentation

typedef struct OggVorbisEncContext OggVorbisEncContext

Function Documentation

static av_cold int oggvorbis_encode_close ( AVCodecContext *  avctx )

static

Definition at line 176 of file libvorbisenc.c.

Referenced by oggvorbis_encode_init().

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

static

Definition at line 273 of file libvorbisenc.c.

static av_cold int oggvorbis_encode_init ( AVCodecContext *  avctx )

static

Definition at line 195 of file libvorbisenc.c.

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

static

Definition at line 84 of file libvorbisenc.c.

Referenced by oggvorbis_encode_init().

static int vorbis_error_to_averror ( int  ov_err )

static

Definition at line 74 of file libvorbisenc.c.

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

static int xiph_len ( int  l )

static

Definition at line 171 of file libvorbisenc.c.

Referenced by oggvorbis_encode_init().

Variable Documentation

const { ... }

class_name = "libvorbis"

private

Definition at line 68 of file libvorbisenc.c.

const AVCodecDefault defaults[]

static

Initial value:

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

Definition at line 62 of file libvorbisenc.c.

AVCodec ff_libvorbis_encoder

Initial value:

= {
    .name           = "libvorbis",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_VORBIS,
    .priv_data_size = sizeof(OggVorbisEncContext),
    .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 },
    .long_name      = NULL_IF_CONFIG_SMALL("libvorbis"),
    .priv_class     = &class,
    .defaults       = defaults,
}

Definition at line 364 of file libvorbisenc.c.

item_name = av_default_item_name

private

Definition at line 69 of file libvorbisenc.c.

option = options

private

Definition at line 70 of file libvorbisenc.c.

const AVOption options[]

static

Initial value:

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

Definition at line 57 of file libvorbisenc.c.

version = LIBAVUTIL_VERSION_INT

private

Definition at line 71 of file libvorbisenc.c.