vorbis.h File Reference

#include "avcodec.h"

Go to the source code of this file.

Data Structures
struct	vorbis_floor1_entry

Macros
#define	ilog(i)   av_log2(2*(i))

Functions
int	ff_vorbis_ready_floor1_list (AVCodecContext *avctx, vorbis_floor1_entry *list, int values)
unsigned int	ff_vorbis_nth_root (unsigned int x, unsigned int n)
int	ff_vorbis_len2vlc (uint8_t *bits, uint32_t *codes, unsigned num)
void	ff_vorbis_floor1_render_list (vorbis_floor1_entry *list, int values, uint16_t *y_list, int *flag, int multiplier, float *out, int samples)
void	ff_vorbis_inverse_coupling (float *mag, float *ang, intptr_t blocksize)

Variables
const float	ff_vorbis_floor1_inverse_db_table [256]
const float *const	ff_vorbis_vwin [8]
const uint8_t	ff_vorbis_channel_layout_offsets [8][8]
const uint8_t	ff_vorbis_encoding_channel_layout_offsets [8][8]
const uint64_t	ff_vorbis_channel_layouts [9]

Macro Definition Documentation

ilog

#define ilog

(

i

)

av_log2(2*(i))

Definition at line 48 of file vorbis.h.

Referenced by floor_encode(), put_codebook_header(), put_main_header(), vorbis_encode_frame(), vorbis_floor0_decode(), vorbis_floor1_decode(), vorbis_parse_audio_packet(), vorbis_parse_setup_hdr_codebooks(), vorbis_parse_setup_hdr_mappings(), and vorbis_parse_setup_hdr_residues().

Function Documentation

ff_vorbis_ready_floor1_list()

int ff_vorbis_ready_floor1_list	(	AVCodecContext *	avctx,
		vorbis_floor1_entry *	list,
		int	values
	)

Definition at line 106 of file vorbis.c.

Referenced by create_vorbis_context(), and vorbis_parse_setup_hdr_floors().

ff_vorbis_nth_root()

unsigned int ff_vorbis_nth_root	(	unsigned int	x,
		unsigned int	n
	)

Definition at line 38 of file vorbis.c.

Referenced by cb_lookup_vals(), and vorbis_parse_setup_hdr_codebooks().

ff_vorbis_len2vlc()

int ff_vorbis_len2vlc	(	uint8_t *	bits,
		uint32_t *	codes,
		unsigned	num
	)

Definition at line 56 of file vorbis.c.

Referenced by ready_codebook(), and vorbis_parse_setup_hdr_codebooks().

ff_vorbis_floor1_render_list()

void ff_vorbis_floor1_render_list	(	vorbis_floor1_entry *	list,
		int	values,
		uint16_t *	y_list,
		int *	flag,
		int	multiplier,
		float *	out,
		int	samples
	)

Definition at line 196 of file vorbis.c.

Referenced by floor_encode(), and vorbis_floor1_decode().

ff_vorbis_inverse_coupling()

void ff_vorbis_inverse_coupling	(	float *	mag,
		float *	ang,
		intptr_t	blocksize
	)

Definition at line 1549 of file vorbisdec.c.

Referenced by ff_vorbisdsp_init().

Variable Documentation

ff_vorbis_floor1_inverse_db_table

const float ff_vorbis_floor1_inverse_db_table[256]

Definition at line 2123 of file vorbis_data.c.

Referenced by floor_fit(), render_line(), and render_line_unrolled().

ff_vorbis_vwin

const float* const ff_vorbis_vwin[8]

Definition at line 2190 of file vorbis_data.c.

Referenced by dsp_init(), and vorbis_parse_id_hdr().

ff_vorbis_channel_layout_offsets

const uint8_t ff_vorbis_channel_layout_offsets[8][8]

Definition at line 25 of file vorbis_data.c.

Referenced by channel_reorder_vorbis(), libopus_decode_init(), libopus_validate_layout_and_get_channel_map(), and vorbis_decode_frame().

ff_vorbis_encoding_channel_layout_offsets

const uint8_t ff_vorbis_encoding_channel_layout_offsets[8][8]

Definition at line 36 of file vorbis_data.c.

Referenced by libvorbis_encode_frame().

ff_vorbis_channel_layouts

const uint64_t ff_vorbis_channel_layouts[9]

Definition at line 47 of file vorbis_data.c.

Referenced by ff_opus_parse_extradata(), libopus_check_vorbis_layout(), libopus_decode_init(), vorbis_decode_frame(), and vorbis_decode_init().