channel_layout.c File Reference

#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
#include "libavutil/error.h"
#include "libavutil/macros.h"
#include "libavutil/mem.h"

Go to the source code of this file.

Macros
#define	BPRINT_ARGS1(bp, ...)
#define	BPRINT_ARGS0(bp, ...)
#define	ORD_ARGS1(str, size, ...)
#define	ORD_ARGS0(str, size, ...)
#define	CMP_BPRINT_AND_NONBPRINT(bp, func_name, ARG_ORDER, ...)
#define	CHANNEL_NAME(x)
#define	CHANNEL_DESCRIPTION(x)
#define	CHANNEL_FROM_STRING(x)
#define	CHANNEL_LAYOUT_FROM_MASK(x)
#define	CHANNEL_LAYOUT_FROM_STRING(x)
#define	CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(l, x)
#define	CHANNEL_LAYOUT_SUBSET(l, xstr, x)
#define	CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(l, x)
#define	CHANNEL_LAYOUT_CHANNEL_FROM_STRING(l, x)
#define	CHANNEL_LAYOUT_INDEX_FROM_STRING(l, x)

Functions
static void	channel_name (AVBPrint *bp, enum AVChannel channel)
static void	channel_description (AVBPrint *bp, enum AVChannel channel)
static void	channel_layout_from_mask (AVChannelLayout *layout, AVBPrint *bp, uint64_t channel_layout)
static void	channel_layout_from_string (AVChannelLayout *layout, AVBPrint *bp, const char *channel_layout)
static void	describe_type (AVBPrint *bp, AVChannelLayout *layout)
static const char *	channel_layout_retype (AVChannelLayout *layout, AVBPrint *bp, const char *channel_layout)
int	main (void)

Variables
static const char *	channel_order_names [] = {"UNSPEC", "NATIVE", "CUSTOM", "AMBI"}

Macro Definition Documentation

BPRINT_ARGS1

#define BPRINT_ARGS1	(		bp,
			... )

Value:

(bp), __VA_ARGS__

Definition at line 31 of file channel_layout.c.

BPRINT_ARGS0

#define BPRINT_ARGS0	(		bp,
			... )

Value:

__VA_ARGS__, (bp)

Definition at line 32 of file channel_layout.c.

ORD_ARGS1

#define ORD_ARGS1	(		str,
			size,
			... )

Value:

(str), (size), __VA_ARGS__

Definition at line 33 of file channel_layout.c.

ORD_ARGS0

#define ORD_ARGS0	(		str,
			size,
			... )

Value:

__VA_ARGS__, (str), (size)

Definition at line 34 of file channel_layout.c.

CMP_BPRINT_AND_NONBPRINT

#define CMP_BPRINT_AND_NONBPRINT	(		bp,
			func_name,
			ARG_ORDER,
			... )

Definition at line 37 of file channel_layout.c.

Referenced by channel_description(), channel_layout_from_mask(), channel_layout_from_string(), and channel_name().

CHANNEL_NAME

#define CHANNEL_NAME

(

x

)

Value:

    channel_name(&bp, (x));                                                \
    printf("With %-32s %14s\n", AV_STRINGIFY(x)":", bp.str)

Definition at line 163 of file channel_layout.c.

Referenced by main().

CHANNEL_DESCRIPTION

#define CHANNEL_DESCRIPTION

(

x

)

Value:

    channel_description(&bp, (x));                                         \
    printf("With %-23s %23s\n", AV_STRINGIFY(x)":", bp.str);

Definition at line 167 of file channel_layout.c.

Referenced by main().

CHANNEL_FROM_STRING

#define CHANNEL_FROM_STRING

(

x

)

Value:

    printf("With %-38s %8d\n", AV_STRINGIFY(x)":", av_channel_from_string(x))

Definition at line 171 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_FROM_MASK

#define CHANNEL_LAYOUT_FROM_MASK

(

x

)

Value:

    channel_layout_from_mask(&layout, &bp, (x));

Definition at line 174 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_FROM_STRING

#define CHANNEL_LAYOUT_FROM_STRING

(

x

)

Value:

    channel_layout_from_string(&layout, &bp, (x));                         \
    printf("With \"%s\":%*s %32s\n", x, strlen(x) > 32 ? 0 : 32 - (int)strlen(x), "", bp.str);

Definition at line 177 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_CHANNEL_FROM_INDEX

#define CHANNEL_LAYOUT_CHANNEL_FROM_INDEX	(		l,
			x )

Value:

    ret = av_channel_layout_channel_from_index(&layout, x);                \
    if (ret < 0)                                                           \
        ret = -1;                                                          \
    printf("On \"%s\" layout with %2d: %8d\n", l,  x, ret)

Definition at line 181 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_SUBSET

#define CHANNEL_LAYOUT_SUBSET	(		l,
			xstr,
			x )

Value:

    mask = av_channel_layout_subset(&layout, x);                           \
    printf("On \"%s\" layout with %-22s 0x%"PRIx64"\n", l, xstr, mask)

Definition at line 187 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_INDEX_FROM_CHANNEL

#define CHANNEL_LAYOUT_INDEX_FROM_CHANNEL	(		l,
			x )

Value:

    ret = av_channel_layout_index_from_channel(&layout, x);                \
    if (ret < 0)                                                           \
        ret = -1;                                                          \
    printf("On \"%s\" layout with %-23s %3d\n", l, AV_STRINGIFY(x)":", ret)

Definition at line 191 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_CHANNEL_FROM_STRING

#define CHANNEL_LAYOUT_CHANNEL_FROM_STRING	(		l,
			x )

Value:

    ret = av_channel_layout_channel_from_string(&layout, x);               \
    if (ret < 0)                                                           \
        ret = -1;                                                          \
    printf("On \"%s\" layout with %-21s %3d\n", bp.str, AV_STRINGIFY(x)":", ret);

Definition at line 197 of file channel_layout.c.

Referenced by main().

CHANNEL_LAYOUT_INDEX_FROM_STRING

#define CHANNEL_LAYOUT_INDEX_FROM_STRING	(		l,
			x )

Value:

    ret = av_channel_layout_index_from_string(&layout, x);                 \
    if (ret < 0)                                                           \
        ret = -1;                                                          \
    printf("On \"%s\" layout with %-20s %3d\n", l, AV_STRINGIFY(x)":", ret);

Definition at line 203 of file channel_layout.c.

Referenced by main().

Function Documentation

channel_name()

static void channel_name ( AVBPrint * bp, enum AVChannel channel )

static

Definition at line 80 of file channel_layout.c.

channel_description()

static void channel_description ( AVBPrint * bp, enum AVChannel channel )

static

Definition at line 86 of file channel_layout.c.

channel_layout_from_mask()

static void channel_layout_from_mask ( AVChannelLayout * layout, AVBPrint * bp, uint64_t channel_layout )

static

Definition at line 92 of file channel_layout.c.

channel_layout_from_string()

static void channel_layout_from_string ( AVChannelLayout * layout, AVBPrint * bp, const char * channel_layout )

static

Definition at line 104 of file channel_layout.c.

describe_type()

static void describe_type ( AVBPrint * bp, AVChannelLayout * layout )

static

Definition at line 118 of file channel_layout.c.

Referenced by channel_layout_retype().

channel_layout_retype()

static const char * channel_layout_retype ( AVChannelLayout * layout, AVBPrint * bp, const char * channel_layout )

static

Definition at line 129 of file channel_layout.c.

Referenced by main().

main()

int main

(

void

)

Definition at line 209 of file channel_layout.c.

Variable Documentation

channel_order_names

const char* channel_order_names[] = {"UNSPEC", "NATIVE", "CUSTOM", "AMBI"}

static

Definition at line 116 of file channel_layout.c.

Referenced by channel_layout_retype(), and describe_type().