mov_chan.c File Reference

#include <assert.h>
#include <stdint.h>
#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/mem.h"
#include "libavcodec/codec_id.h"
#include "mov_chan.h"

Go to the source code of this file.

Data Structures
struct	MovChannelLayoutMap

Macros
#define	TAG(_tag, _cnt)
#define	ID(_0)
#define	CHLIST01(_tag, _1)
#define	CHLIST02(_tag, _1, _2)
#define	CHLIST03(_tag, _1, _2, _3)
#define	CHLIST04(_tag, _1, _2, _3, _4)
#define	CHLIST05(_tag, _1, _2, _3, _4, _5)
#define	CHLIST06(_tag, _1, _2, _3, _4, _5, _6)
#define	CHLIST07(_tag, _1, _2, _3, _4, _5, _6, _7)
#define	CHLIST08(_tag, _1, _2, _3, _4, _5, _6, _7, _8)
#define	CHLIST09(_tag, _1, _2, _3, _4, _5, _6, _7, _8, _9)
#define	CHLIST16(_tag, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16)
#define	CHLIST21(_tag, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21)
#define	CHLIST24(_tag, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24)
#define	MOV_CH_LAYOUT_MAP
#define	CHLIST(_tag, _cnt, ...)
#define	CHLIST(_tag, _cnt, ...)
#define	ID(_0)
#define	TAG(_tag, _cnt)

Enumerations
enum	{   c_L = AV_CHAN_FRONT_LEFT , c_R = AV_CHAN_FRONT_RIGHT , c_C = AV_CHAN_FRONT_CENTER , c_LFE = AV_CHAN_LOW_FREQUENCY ,   c_Rls = AV_CHAN_BACK_LEFT , c_Rrs = AV_CHAN_BACK_RIGHT , c_Lc = AV_CHAN_FRONT_LEFT_OF_CENTER , c_Rc = AV_CHAN_FRONT_RIGHT_OF_CENTER ,   c_Cs = AV_CHAN_BACK_CENTER , c_Ls = AV_CHAN_SIDE_LEFT , c_Rs = AV_CHAN_SIDE_RIGHT , c_Ts = AV_CHAN_TOP_CENTER ,   c_Vhl = AV_CHAN_TOP_FRONT_LEFT , c_Vhc = AV_CHAN_TOP_FRONT_CENTER , c_Vhr = AV_CHAN_TOP_FRONT_RIGHT , c_Rlt = AV_CHAN_TOP_BACK_LEFT ,   c_Rrt = AV_CHAN_TOP_BACK_RIGHT , c_Lt = AV_CHAN_STEREO_LEFT , c_Rt = AV_CHAN_STEREO_RIGHT , c_Lw = AV_CHAN_WIDE_LEFT ,   c_Rw = AV_CHAN_WIDE_RIGHT , c_Lsd = AV_CHAN_SURROUND_DIRECT_LEFT , c_Rsd = AV_CHAN_SURROUND_DIRECT_RIGHT , c_LFE2 = AV_CHAN_LOW_FREQUENCY_2 ,   c_W = AV_CHAN_AMBISONIC_BASE , c_Y = AV_CHAN_AMBISONIC_BASE + 1 , c_Z = AV_CHAN_AMBISONIC_BASE + 2 , c_X = AV_CHAN_AMBISONIC_BASE + 3 ,   c_LFE1 = AV_CHAN_LOW_FREQUENCY , c_Csd = AV_CHAN_NONE , c_HI = AV_CHAN_NONE , c_VI = AV_CHAN_NONE ,   c_Haptic = AV_CHAN_NONE }
	mov 'chan' tag reading/writing. More...
enum	{   iso_L = AV_CHAN_FRONT_LEFT , iso_R = AV_CHAN_FRONT_RIGHT , iso_C = AV_CHAN_FRONT_CENTER , iso_LFE = AV_CHAN_LOW_FREQUENCY ,   iso_Lsr = AV_CHAN_BACK_LEFT , iso_Rsr = AV_CHAN_BACK_RIGHT , iso_Lc = AV_CHAN_FRONT_LEFT_OF_CENTER , iso_Rc = AV_CHAN_FRONT_RIGHT_OF_CENTER ,   iso_Cs = AV_CHAN_BACK_CENTER , iso_Ls = AV_CHAN_SIDE_LEFT , iso_Rs = AV_CHAN_SIDE_RIGHT , iso_Ts = AV_CHAN_TOP_CENTER ,   iso_Lv = AV_CHAN_TOP_FRONT_LEFT , iso_Cv = AV_CHAN_TOP_FRONT_CENTER , iso_Rv = AV_CHAN_TOP_FRONT_RIGHT , iso_Lvr = AV_CHAN_TOP_BACK_LEFT ,   iso_Cvr = AV_CHAN_TOP_BACK_CENTER , iso_Rvr = AV_CHAN_TOP_BACK_RIGHT , iso_Lw = AV_CHAN_WIDE_LEFT , iso_Rw = AV_CHAN_WIDE_RIGHT ,   iso_Lsd = AV_CHAN_SURROUND_DIRECT_LEFT , iso_Rsd = AV_CHAN_SURROUND_DIRECT_RIGHT , iso_LFE2 = AV_CHAN_LOW_FREQUENCY_2 , iso_Lvss = AV_CHAN_TOP_SIDE_LEFT ,   iso_Rvss = AV_CHAN_TOP_SIDE_RIGHT , iso_Cb = AV_CHAN_BOTTOM_FRONT_CENTER , iso_Lb = AV_CHAN_BOTTOM_FRONT_LEFT , iso_Rb = AV_CHAN_BOTTOM_FRONT_RIGHT ,   iso_Lss = AV_CHAN_SIDE_SURROUND_LEFT , iso_Rss = AV_CHAN_SIDE_SURROUND_RIGHT , iso_Lvs = AV_CHAN_NONE , iso_Rvs = AV_CHAN_NONE }

Functions
static const struct MovChannelLayoutMap *	find_layout_map (uint32_t tag, const struct MovChannelLayoutMap *map)
static int	mov_get_channel_layout (AVChannelLayout *ch_layout, uint32_t tag, uint64_t omitted_channel_map, const struct MovChannelLayoutMap *map)
	Get the channel layout for the specified non-special channel layout tag if known.
static enum AVChannel	mov_get_channel_id (uint32_t label)
static uint32_t	mov_get_channel_label (enum AVChannel channel)
static int	is_layout_valid_for_tag (const AVChannelLayout *ch_layout, uint32_t tag, const struct MovChannelLayoutMap *map)
int	ff_mov_get_channel_layout_tag (const AVCodecParameters *par, uint32_t *layout, uint32_t *bitmap, uint32_t **pchannel_desc)
	Get the channel layout tag for the specified codec id and channel layout.
int	ff_mov_read_chan (AVFormatContext *s, AVIOContext *pb, AVStream *st, int64_t size)
	Read 'chan' tag from the input stream.
int	ff_mov_get_channel_config_from_layout (const AVChannelLayout *layout, int *config)
	Get ISO/IEC 23001-8 ChannelConfiguration from AVChannelLayout.
static int	mov_get_channel_layout_from_config (int config, AVChannelLayout *layout, uint64_t omitted_channel_map)
	Get AVChannelLayout from ISO/IEC 23001-8 ChannelConfiguration.
int	ff_mov_get_channel_positions_from_layout (const AVChannelLayout *layout, uint8_t *position, int position_num)
	Get ISO/IEC 23001-8 OutputChannelPosition from AVChannelLayout.
int	ff_mov_read_chnl (AVFormatContext *s, AVIOContext *pb, AVStream *st, int version)
	Read 'chnl' tag from the input stream.

Variables
static const struct MovChannelLayoutMap	mov_ch_layout_map []
static const struct MovChannelLayoutMap	iso_ch_layout_map []
static enum MovChannelLayoutTag	mov_ch_layouts_aac []
static enum MovChannelLayoutTag	mov_ch_layouts_ac3 []
static enum MovChannelLayoutTag	mov_ch_layouts_alac []
static enum MovChannelLayoutTag	mov_ch_layouts_wav []
struct {
enum AVCodecID   codec_id
enum MovChannelLayoutTag *   layouts
}	mov_codec_ch_layouts []
static enum AVChannel	iso_channel_position []

Macro Definition Documentation

TAG [1/2]

#define TAG	(		_tag,
			_cnt )

Value:

{.tag = _tag}

Definition at line 123 of file mov_chan.c.

ID [1/2]

#define ID

(

_0

)

Value:

{.id = c_##_0}

Definition at line 124 of file mov_chan.c.

CHLIST01

#define CHLIST01	(		_tag,
			_1 )

Value:

CHLIST(_tag, 1, ID(_1))

Definition at line 125 of file mov_chan.c.

CHLIST02

#define CHLIST02	(		_tag,
			_1,
			_2 )

Value:

CHLIST(_tag, 2, ID(_1), ID(_2))

Definition at line 126 of file mov_chan.c.

CHLIST03

#define CHLIST03	(		_tag,
			_1,
			_2,
			_3 )

Value:

CHLIST(_tag, 3, ID(_1), ID(_2), ID(_3))

Definition at line 127 of file mov_chan.c.

CHLIST04

#define CHLIST04	(		_tag,
			_1,
			_2,
			_3,
			_4 )

Value:

CHLIST(_tag, 4, ID(_1), ID(_2), ID(_3), ID(_4))

Definition at line 128 of file mov_chan.c.

CHLIST05

#define CHLIST05	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5 )

Value:

CHLIST(_tag, 5, ID(_1), ID(_2), ID(_3), ID(_4), ID(_5))

Definition at line 129 of file mov_chan.c.

CHLIST06

#define CHLIST06	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6 )

Value:

CHLIST(_tag, 6, ID(_1), ID(_2), ID(_3), ID(_4), ID(_5), ID(_6))

Definition at line 130 of file mov_chan.c.

CHLIST07

#define CHLIST07	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6,
			_7 )

Value:

CHLIST(_tag, 7, ID(_1), ID(_2), ID(_3), ID(_4), ID(_5), ID(_6), ID(_7))

Definition at line 131 of file mov_chan.c.

CHLIST08

#define CHLIST08	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6,
			_7,
			_8 )

Value:

CHLIST(_tag, 8, ID(_1), ID(_2), ID(_3), ID(_4), ID(_5), ID(_6), ID(_7), ID(_8))

Definition at line 132 of file mov_chan.c.

CHLIST09

#define CHLIST09	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6,
			_7,
			_8,
			_9 )

Value:

CHLIST(_tag, 9, ID(_1), ID(_2), ID(_3), ID(_4), ID(_5), ID(_6), ID(_7), ID(_8), ID(_9))

Definition at line 133 of file mov_chan.c.

CHLIST16

#define CHLIST16	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6,
			_7,
			_8,
			_9,
			_10,
			_11,
			_12,
			_13,
			_14,
			_15,
			_16 )

Value:

    CHLIST(_tag, 16, ID(_1),  ID(_2),  ID(_3),  ID(_4),  ID(_5),  ID(_6), ID(_7), ID(_8), ID(_9), ID(_10), \
                     ID(_11), ID(_12), ID(_13), ID(_14), ID(_15), ID(_16))

Definition at line 134 of file mov_chan.c.

CHLIST21

#define CHLIST21	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6,
			_7,
			_8,
			_9,
			_10,
			_11,
			_12,
			_13,
			_14,
			_15,
			_16,
			_17,
			_18,
			_19,
			_20,
			_21 )

Value:

    CHLIST(_tag, 21, ID(_1),  ID(_2),  ID(_3),  ID(_4),  ID(_5),  ID(_6),  ID(_7),  ID(_8),  ID(_9),  ID(_10), \
                     ID(_11), ID(_12), ID(_13), ID(_14), ID(_15), ID(_16), ID(_17), ID(_18), ID(_19), ID(_20), ID(_21))

Definition at line 137 of file mov_chan.c.

CHLIST24

#define CHLIST24	(		_tag,
			_1,
			_2,
			_3,
			_4,
			_5,
			_6,
			_7,
			_8,
			_9,
			_10,
			_11,
			_12,
			_13,
			_14,
			_15,
			_16,
			_17,
			_18,
			_19,
			_20,
			_21,
			_22,
			_23,
			_24 )

Value:

    CHLIST(_tag, 24, ID(_1),  ID(_2),  ID(_3),  ID(_4),  ID(_5),  ID(_6),  ID(_7),  ID(_8),  ID(_9),  ID(_10), \
                     ID(_11), ID(_12), ID(_13), ID(_14), ID(_15), ID(_16), ID(_17), ID(_18), ID(_19), ID(_20), \
                     ID(_21), ID(_22), ID(_23), ID(_24))

Definition at line 140 of file mov_chan.c.

MOV_CH_LAYOUT_MAP

#define MOV_CH_LAYOUT_MAP

Definition at line 145 of file mov_chan.c.

CHLIST [1/2]

#define CHLIST	(		_tag,
			_cnt,
			... )

Value:

static_assert((_tag & 0xffff) == _cnt, "Channel count of " #_tag " is not " #_cnt);

Definition at line 229 of file mov_chan.c.

CHLIST [2/2]

#define CHLIST	(		_tag,
			_cnt,
			... )

Value:

TAG(_tag, _cnt), __VA_ARGS__,

Definition at line 229 of file mov_chan.c.

ID [2/2]

#define ID

(

_0

)

Value:

{.id = iso_##_0}

Definition at line 124 of file mov_chan.c.

TAG [2/2]

#define TAG	(		_tag,
			_cnt )

Value:

{.tag = (_tag << 16) | _cnt}

Definition at line 123 of file mov_chan.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

mov 'chan' tag reading/writing.

Author

Justin Ruggles

Enumerator
c_L
c_R
c_C
c_LFE
c_Rls
c_Rrs
c_Lc
c_Rc
c_Cs
c_Ls
c_Rs
c_Ts
c_Vhl
c_Vhc
c_Vhr
c_Rlt
c_Rrt
c_Lt
c_Rt
c_Lw
c_Rw
c_Lsd
c_Rsd
c_LFE2
c_W
c_Y
c_Z
c_X
c_LFE1
c_Csd
c_HI
c_VI
c_Haptic

Definition at line 35 of file mov_chan.c.

anonymous enum

anonymous enum

Enumerator
iso_L
iso_R
iso_C
iso_LFE
iso_Lsr
iso_Rsr
iso_Lc
iso_Rc
iso_Cs
iso_Ls
iso_Rs
iso_Ts
iso_Lv
iso_Cv
iso_Rv
iso_Lvr
iso_Cvr
iso_Rvr
iso_Lw
iso_Rw
iso_Lsd
iso_Rsd
iso_LFE2
iso_Lvss
iso_Rvss
iso_Cb
iso_Lb
iso_Rb
iso_Lss
iso_Rss
iso_Lvs
iso_Rvs

Definition at line 78 of file mov_chan.c.

Function Documentation

find_layout_map()

static const struct MovChannelLayoutMap * find_layout_map ( uint32_t tag, const struct MovChannelLayoutMap * map )

static

Definition at line 361 of file mov_chan.c.

Referenced by is_layout_valid_for_tag(), and mov_get_channel_layout().

mov_get_channel_layout()

static int mov_get_channel_layout ( AVChannelLayout * ch_layout, uint32_t tag, uint64_t omitted_channel_map, const struct MovChannelLayoutMap * map )

static

Get the channel layout for the specified non-special channel layout tag if known.

Parameters

[in,out]	ch_layout	channel layout
[in]	tag	channel layout tag

Returns

<0 on error

Definition at line 377 of file mov_chan.c.

Referenced by ff_mov_read_chan(), and mov_get_channel_layout_from_config().

mov_get_channel_id()

static enum AVChannel mov_get_channel_id ( uint32_t label )

static

Definition at line 416 of file mov_chan.c.

Referenced by ff_mov_read_chan().

mov_get_channel_label()

static uint32_t mov_get_channel_label ( enum AVChannel channel )

static

Definition at line 435 of file mov_chan.c.

Referenced by ff_mov_get_channel_layout_tag().

is_layout_valid_for_tag()

static int is_layout_valid_for_tag ( const AVChannelLayout * ch_layout, uint32_t tag, const struct MovChannelLayoutMap * map )

static

Definition at line 454 of file mov_chan.c.

Referenced by ff_mov_get_channel_config_from_layout(), and ff_mov_get_channel_layout_tag().

ff_mov_get_channel_layout_tag()

int ff_mov_get_channel_layout_tag	(	const AVCodecParameters *	par,
		uint32_t *	layout,
		uint32_t *	bitmap,
		uint32_t **	pchannel_desc )

Get the channel layout tag for the specified codec id and channel layout.

If the layout tag was not found, use a channel bitmap if possible.

Parameters

[in]	codec_id	codec id
[in]	channel_layout	channel layout
[out]	bitmap	channel bitmap

Returns

channel layout tag

Definition at line 476 of file mov_chan.c.

Referenced by mov_write_chan_tag().

ff_mov_read_chan()

int ff_mov_read_chan	(	AVFormatContext *	s,
		AVIOContext *	pb,
		AVStream *	st,
		int64_t	size )

Read 'chan' tag from the input stream.

Parameters

s	AVFormatContext
pb	AVIOContext
st	The stream to set codec values for
size	Remaining size in the 'chan' tag

Returns

0 if ok, or negative AVERROR code on failure

Definition at line 550 of file mov_chan.c.

Referenced by aiff_read_header(), mov_read_chan(), and read_header().

ff_mov_get_channel_config_from_layout()

int ff_mov_get_channel_config_from_layout	(	const AVChannelLayout *	layout,
		int *	config )

Get ISO/IEC 23001-8 ChannelConfiguration from AVChannelLayout.

Definition at line 705 of file mov_chan.c.

Referenced by mov_write_chnl_tag().

mov_get_channel_layout_from_config()

static int mov_get_channel_layout_from_config ( int config, AVChannelLayout * layout, uint64_t omitted_channel_map )

static

Get AVChannelLayout from ISO/IEC 23001-8 ChannelConfiguration.

Returns

1 if the config was unknown, layout is untouched in this case 0 if the config was found <0 on error

Definition at line 726 of file mov_chan.c.

Referenced by ff_mov_read_chnl().

ff_mov_get_channel_positions_from_layout()

int ff_mov_get_channel_positions_from_layout	(	const AVChannelLayout *	layout,
		uint8_t *	position,
		int	position_num )

Get ISO/IEC 23001-8 OutputChannelPosition from AVChannelLayout.

Definition at line 741 of file mov_chan.c.

Referenced by mov_write_chnl_tag().

ff_mov_read_chnl()

int ff_mov_read_chnl	(	AVFormatContext *	s,
		AVIOContext *	pb,
		AVStream *	st,
		int	version )

Read 'chnl' tag from the input stream.

Parameters

s	AVFormatContext
pb	AVIOContext
st	The stream to set codec values for
version	Version of the tag

Returns

0 if ok, or negative AVERROR code on failure

Definition at line 768 of file mov_chan.c.

Referenced by mov_read_chnl().

Variable Documentation

mov_ch_layout_map

const struct MovChannelLayoutMap mov_ch_layout_map[]

static

Initial value:

= {
    MOV_CH_LAYOUT_MAP
    { {0} },
}

Definition at line 233 of file mov_chan.c.

Referenced by ff_mov_get_channel_layout_tag(), and ff_mov_read_chan().

iso_ch_layout_map

const struct MovChannelLayoutMap iso_ch_layout_map[]

static

Initial value:

= {
 
 
 
 
 
 
 
 
 
 
 
 
    CHLIST08( 14,  C,   L,   R,    Ls,   Rs,   LFE,  Lv,   Rv)
    { {0} },
}

Definition at line 244 of file mov_chan.c.

Referenced by ff_mov_get_channel_config_from_layout(), and mov_get_channel_layout_from_config().

mov_ch_layouts_aac

enum MovChannelLayoutTag mov_ch_layouts_aac[]

static

Initial value:

= {
    MOV_CH_LAYOUT_MONO,
    MOV_CH_LAYOUT_STEREO,
    MOV_CH_LAYOUT_AC3_1_0_1,
    MOV_CH_LAYOUT_MPEG_3_0_B,
    MOV_CH_LAYOUT_ITU_2_1,
    MOV_CH_LAYOUT_DVD_4,
    MOV_CH_LAYOUT_QUADRAPHONIC,
    MOV_CH_LAYOUT_MPEG_4_0_B,
    MOV_CH_LAYOUT_ITU_2_2,
    MOV_CH_LAYOUT_AC3_2_1_1,
    MOV_CH_LAYOUT_DTS_3_1,
    MOV_CH_LAYOUT_MPEG_5_0_D,
    MOV_CH_LAYOUT_DVD_18,
    MOV_CH_LAYOUT_DTS_4_1,
    MOV_CH_LAYOUT_MPEG_5_1_D,
    MOV_CH_LAYOUT_AAC_6_0,
    MOV_CH_LAYOUT_DTS_6_0_A,
    MOV_CH_LAYOUT_AAC_6_1,
    MOV_CH_LAYOUT_AAC_7_0,
    MOV_CH_LAYOUT_DTS_6_1_A,
    MOV_CH_LAYOUT_AAC_OCTAGONAL,
    MOV_CH_LAYOUT_MPEG_7_1_B,
    MOV_CH_LAYOUT_DTS_8_0_A,
    0,
}

Definition at line 261 of file mov_chan.c.

mov_ch_layouts_ac3

enum MovChannelLayoutTag mov_ch_layouts_ac3[]

static

Initial value:

= {
    MOV_CH_LAYOUT_MONO,
    MOV_CH_LAYOUT_STEREO,
    MOV_CH_LAYOUT_AC3_1_0_1,
    MOV_CH_LAYOUT_AC3_3_0,
    MOV_CH_LAYOUT_ITU_2_1,
    MOV_CH_LAYOUT_DVD_4,
    MOV_CH_LAYOUT_AC3_3_1,
    MOV_CH_LAYOUT_ITU_2_2,
    MOV_CH_LAYOUT_AC3_2_1_1,
    MOV_CH_LAYOUT_AC3_3_0_1,
    MOV_CH_LAYOUT_MPEG_5_0_C,
    MOV_CH_LAYOUT_DVD_18,
    MOV_CH_LAYOUT_AC3_3_1_1,
    MOV_CH_LAYOUT_MPEG_5_1_C,
    0,
}

Definition at line 288 of file mov_chan.c.

mov_ch_layouts_alac

enum MovChannelLayoutTag mov_ch_layouts_alac[]

static

Initial value:

= {
    MOV_CH_LAYOUT_MONO,
    MOV_CH_LAYOUT_STEREO,
    MOV_CH_LAYOUT_MPEG_3_0_B,
    MOV_CH_LAYOUT_MPEG_4_0_B,
    MOV_CH_LAYOUT_MPEG_5_0_D,
    MOV_CH_LAYOUT_MPEG_5_1_D,
    MOV_CH_LAYOUT_AAC_6_1,
    MOV_CH_LAYOUT_MPEG_7_1_B,
    0,
}

Definition at line 306 of file mov_chan.c.

mov_ch_layouts_wav

enum MovChannelLayoutTag mov_ch_layouts_wav[]

static

Initial value:

= {
    MOV_CH_LAYOUT_MONO,
    MOV_CH_LAYOUT_STEREO,
    MOV_CH_LAYOUT_MATRIXSTEREO,
    MOV_CH_LAYOUT_MPEG_3_0_A,
    MOV_CH_LAYOUT_QUADRAPHONIC,
    MOV_CH_LAYOUT_MPEG_5_0_A,
    MOV_CH_LAYOUT_MPEG_5_1_A,
    MOV_CH_LAYOUT_MPEG_6_1_A,
    MOV_CH_LAYOUT_MPEG_7_1_A,
    MOV_CH_LAYOUT_MPEG_7_1_C,
    MOV_CH_LAYOUT_SMPTE_DTV,
    0,
}

Definition at line 318 of file mov_chan.c.

Referenced by ff_mov_get_channel_layout_tag().

codec_id

enum AVCodecID codec_id

Definition at line 334 of file mov_chan.c.

layouts

enum MovChannelLayoutTag* layouts

Definition at line 335 of file mov_chan.c.

Referenced by aeval_query_formats(), ff_mov_get_channel_layout_tag(), ff_mov_write_chan(), join_query_formats(), LLVMFuzzerTestOneInput(), main(), main(), print_channel_layout_desc(), print_formats_internal(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), query_formats(), and query_formats().

[struct]

const struct { ... } mov_codec_ch_layouts[]

Initial value:

= {
    { AV_CODEC_ID_AAC,          mov_ch_layouts_aac  },
    { AV_CODEC_ID_AC3,          mov_ch_layouts_ac3  },
    { AV_CODEC_ID_ADPCM_IMA_QT, mov_ch_layouts_wav  },
    { AV_CODEC_ID_ALAC,         mov_ch_layouts_alac },
    { AV_CODEC_ID_MACE3,        mov_ch_layouts_wav  },
    { AV_CODEC_ID_MACE6,        mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_ALAW,     mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_F32BE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_F32LE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_F64BE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_F64LE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_MULAW,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S16BE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S16LE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S24BE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S24LE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S32BE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S32LE,    mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_S8,       mov_ch_layouts_wav  },
    { AV_CODEC_ID_PCM_U8,       mov_ch_layouts_wav  },
    { AV_CODEC_ID_SPEEX,        mov_ch_layouts_wav  },
    { AV_CODEC_ID_NONE,         NULL                },
}

Referenced by ff_mov_get_channel_layout_tag().

iso_channel_position

enum AVChannel iso_channel_position[]

static

Definition at line 653 of file mov_chan.c.

Referenced by ff_mov_get_channel_positions_from_layout(), and ff_mov_read_chnl().