vorbis_data.c File Reference

#include "libavutil/channel_layout.h"
#include "libavutil/mem.h"
#include "vorbis.h"

Include dependency graph for vorbis_data.c:

Go to the source code of this file.

Functions
	DECLARE_ALIGNED (16, static const float, vwin64)[32]
	DECLARE_ALIGNED (16, static const float, vwin128)[64]
	DECLARE_ALIGNED (16, static const float, vwin256)[128]
	DECLARE_ALIGNED (16, static const float, vwin512)[256]
	DECLARE_ALIGNED (16, static const float, vwin1024)[512]
	DECLARE_ALIGNED (16, static const float, vwin2048)[1024]
	DECLARE_ALIGNED (16, static const float, vwin4096)[2048]
	DECLARE_ALIGNED (16, static const float, vwin8192)[4096]

Variables
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]
const float	ff_vorbis_floor1_inverse_db_table [256]
const float *const	ff_vorbis_vwin [8]

Function Documentation

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin64
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin128
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin256
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin512
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin1024
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin2048
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin4096
	)

DECLARE_ALIGNED	(	16	,
		static const	float,
		vwin8192
	)

Variable Documentation

const uint8_t ff_vorbis_channel_layout_offsets[8][8]

Initial value:

= {
    { 0 },
    { 0, 1 },
    { 0, 2, 1 },
    { 0, 1, 2, 3 },
    { 0, 2, 1, 3, 4 },
    { 0, 2, 1, 5, 3, 4 },
    { 0, 2, 1, 6, 5, 3, 4 },
    { 0, 2, 1, 7, 5, 6, 3, 4 },
}

Definition at line 25 of file vorbis_data.c.

Referenced by libopus_decode_init(), and vorbis_decode_frame().

const uint64_t ff_vorbis_channel_layouts[9]

Initial value:

= {
    AV_CH_LAYOUT_MONO,
    AV_CH_LAYOUT_STEREO,
    AV_CH_LAYOUT_SURROUND,
    AV_CH_LAYOUT_QUAD,
    AV_CH_LAYOUT_5POINT0_BACK,
    AV_CH_LAYOUT_5POINT1_BACK,
    AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER,
    AV_CH_LAYOUT_7POINT1,
    0
}

Definition at line 47 of file vorbis_data.c.

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

const uint8_t ff_vorbis_encoding_channel_layout_offsets[8][8]

Initial value:

= {
    { 0 },
    { 0, 1 },
    { 0, 2, 1 },
    { 0, 1, 2, 3 },
    { 0, 2, 1, 3, 4 },
    { 0, 2, 1, 4, 5, 3 },
    { 0, 2, 1, 5, 6, 4, 3 },
    { 0, 2, 1, 6, 7, 4, 5, 3 },
}

Definition at line 36 of file vorbis_data.c.

Referenced by oggvorbis_encode_frame().

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().

const float* const ff_vorbis_vwin[8]

Initial value:

= {
      vwin64,  vwin128,  vwin256,  vwin512,
    vwin1024, vwin2048, vwin4096, vwin8192
}

Definition at line 2190 of file vorbis_data.c.

Referenced by create_vorbis_context(), and vorbis_parse_id_hdr().