pcmdec.c File Reference

#include "config_components.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"
#include "pcm.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Data Structures
struct	PCMAudioDemuxerContext

Macros
#define	PCMDEF_0(name_, long_name_, ext, codec, ...)
#define	PCMDEF_1(name_, long_name_, ext, codec, ...)
#define	PCMDEF_2(name, long_name, ext, codec, enabled, ...)   PCMDEF_ ## enabled(name, long_name, ext, codec, __VA_ARGS__)
#define	PCMDEF_3(name, long_name, ext, codec, config, ...)   PCMDEF_2(name, long_name, ext, codec, config, __VA_ARGS__)
#define	PCMDEF_EXT(name, long_name, ext, uppercase, ...)
#define	PCMDEF(name, long_name, ext, uppercase)   PCMDEF_EXT(name, long_name, ext, uppercase, )

Functions
static int	pcm_read_header (AVFormatContext *s)

Variables
static const AVOption	pcm_options []
static const AVClass	pcm_demuxer_class

Macro Definition Documentation

PCMDEF_0

#define PCMDEF_0	(		name_,
			long_name_,
			ext,
			codec,
			...
	)

Definition at line 118 of file pcmdec.c.

PCMDEF_1

#define PCMDEF_1	(		name_,
			long_name_,
			ext,
			codec,
			...
	)

Value:

const FFInputFormat ff_pcm_ ## name_ ## _demuxer = {        \
    .p.name         = #name_,                               \
    .p.long_name    = NULL_IF_CONFIG_SMALL(long_name_),     \
    .p.flags        = AVFMT_GENERIC_INDEX,                  \
    .p.extensions   = ext,                                  \
    .p.priv_class   = &pcm_demuxer_class,                   \
    .priv_data_size = sizeof(PCMAudioDemuxerContext),       \
    .read_header    = pcm_read_header,                      \
    .read_packet    = ff_pcm_read_packet,                   \
    .read_seek      = ff_pcm_read_seek,                     \
    .raw_codec_id   = codec,                                \
    __VA_ARGS__                                             \
};

Definition at line 119 of file pcmdec.c.

PCMDEF_2

#define PCMDEF_2	(		name,
			long_name,
			ext,
			codec,
			enabled,
			...
	)		PCMDEF_ ## enabled(name, long_name, ext, codec, __VA_ARGS__)

Definition at line 133 of file pcmdec.c.

PCMDEF_3

#define PCMDEF_3	(		name,
			long_name,
			ext,
			codec,
			config,
			...
	)		PCMDEF_2(name, long_name, ext, codec, config, __VA_ARGS__)

Definition at line 135 of file pcmdec.c.

PCMDEF_EXT

#define PCMDEF_EXT	(		name,
			long_name,
			ext,
			uppercase,
			...
	)

Value:

    PCMDEF_3(name, long_name, ext, AV_CODEC_ID_PCM_ ## uppercase, \
             CONFIG_PCM_ ## uppercase ## _DEMUXER,  __VA_ARGS__)

Definition at line 137 of file pcmdec.c.

PCMDEF

#define PCMDEF	(		name,
			long_name,
			ext,
			uppercase
	)		PCMDEF_EXT(name, long_name, ext, uppercase, )

Definition at line 140 of file pcmdec.c.

Function Documentation

pcm_read_header()

static int pcm_read_header ( AVFormatContext *  s )

static

Definition at line 40 of file pcmdec.c.

Variable Documentation

pcm_options

const AVOption pcm_options[]

static

Initial value:

= {
    { "sample_rate", "", 0x42, AV_OPT_TYPE_INT, {.i64 = 44100}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
    { "ch_layout",   "", 0x42,   AV_OPT_TYPE_CHLAYOUT, {.str = "mono"}, 0, 0, AV_OPT_FLAG_DECODING_PARAM },
    { NULL },
}

Definition at line 106 of file pcmdec.c.

pcm_demuxer_class

const AVClass pcm_demuxer_class

static

Initial value:

= {
    .class_name = "pcm demuxer",
    .item_name  = av_default_item_name,
    .option     = pcm_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 111 of file pcmdec.c.