libavcodec/libvorbis.c File Reference

Ogg Vorbis codec support via libvorbisenc. More...

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

Go to the source code of this file.

Data Structures
struct	OggVorbisContext
Defines
#define	OGGVORBIS_FRAME_SIZE   64
#define	BUFFER_SIZE   (1024 * 64)
Functions
static const char *	error (int oggerr, int *averr)
static av_cold int	oggvorbis_init_encoder (vorbis_info *vi, AVCodecContext *avccontext)
static int	xiph_len (int l)
static av_cold int	oggvorbis_encode_init (AVCodecContext *avccontext)
static int	oggvorbis_encode_frame (AVCodecContext *avccontext, unsigned char *packets, int buf_size, void *data)
static av_cold int	oggvorbis_encode_close (AVCodecContext *avccontext)
Variables
static const AVOption	options []
static const AVCodecDefault	defaults []
class {
libvorbis
av_default_item_name
options
};
AVCodec	ff_libvorbis_encoder

---

Detailed Description

Ogg Vorbis codec support via libvorbisenc.

Author:

Mark Hills <mark@pogo.org.uk>

Definition in file libvorbis.c.

---

Define Documentation

#define BUFFER_SIZE   (1024 * 64)

Definition at line 41 of file libvorbis.c.

#define OGGVORBIS_FRAME_SIZE   64

Definition at line 39 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

---

Function Documentation

static const char* error	(	int	oggerr,
		int *	averr
	)			[static]

Definition at line 71 of file libvorbis.c.

Referenced by adpcm_encode_init(), al_get_error(), av_resample_init(), avformat_find_stream_info(), check_diff(), check_specific_config(), decode_cell(), dering_TMPL(), dshow_add_device(), dshow_open_device(), dshow_read_header(), encode_superframe(), eval_error_cell(), ff_er_frame_end(), ff_h263_encode_picture_header(), ff_id3v2_parse(), ff_intrax8_decode_picture(), frame_thread_init(), get_number(), guess_dc(), guess_mv(), initFilter(), is_intra_more_likely(), load_glyph(), log_encoder_error(), main(), mov_write_header(), mpeg1_encode_sequence_header(), parse_number_or_die(), parse_rule(), print_report(), quantize(), quantize_lpc_coefs(), ra144_encode_subblock(), read_access_unit(), read_gab2_sub(), read_header(), read_packet(), rpl_read_header(), swri_resample_init(), transcode_init(), udp_resolve_host(), vorbis_encode_init(), vorbis_parse_setup_hdr_codebooks(), vp8_decode(), vp8_init(), and wv_get_value().

static av_cold int oggvorbis_encode_close

(

AVCodecContext *

avccontext

)

[static]

Definition at line 291 of file libvorbis.c.

static int oggvorbis_encode_frame	(	AVCodecContext *	avccontext,
		unsigned char *	packets,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 219 of file libvorbis.c.

static av_cold int oggvorbis_encode_init

(

AVCodecContext *

avccontext

)

[static]

Definition at line 164 of file libvorbis.c.

static av_cold int oggvorbis_init_encoder	(	vorbis_info *	vi,
		AVCodecContext *	avccontext
	)			[static]

Definition at line 81 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

static int xiph_len

(

int

l

)

[static]

Definition at line 159 of file libvorbis.c.

Referenced by oggvorbis_encode_init().

---

Variable Documentation

const { ... } [static]

av_default_item_name

Definition at line 69 of file libvorbis.c.

const AVCodecDefault defaults[] [static]

Initial value:

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

Definition at line 64 of file libvorbis.c.

AVCodec ff_libvorbis_encoder

Initial value:

 {
    .name           = "libvorbis",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_VORBIS,
    .priv_data_size = sizeof(OggVorbisContext),
    .init           = oggvorbis_encode_init,
    .encode         = oggvorbis_encode_frame,
    .close          = oggvorbis_encode_close,
    .capabilities   = CODEC_CAP_DELAY,
    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE },
    .long_name      = NULL_IF_CONFIG_SMALL("libvorbis Vorbis"),
    .priv_class     = &class,
    .defaults       = defaults,
}

Definition at line 308 of file libvorbis.c.

libvorbis

Definition at line 69 of file libvorbis.c.

Referenced by avcodec_register_all().

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 59 of file libvorbis.c.