libopenmpt.c File Reference

#include <libopenmpt/libopenmpt.h>
#include <libopenmpt/libopenmpt_stream_callbacks_file.h>
#include <libopenmpt/libopenmpt_version.h>
#include "libavutil/channel_layout.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	OpenMPTContext

Macros
#define	OPENMPT_API_VERSION_MAKE(major, minor, patch)
#define	OPENMPT_API_VERSION_AT_LEAST(major, minor, patch)
#define	OFFSET(x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM
#define	D   AV_OPT_FLAG_DECODING_PARAM
#define	add_meta(s, name, meta)
#define	AUDIO_PKT_SIZE   2048

Functions
static void	openmpt_logfunc (const char *message, void *userdata)
static int	read_header_openmpt (AVFormatContext *s)
static int	read_packet_openmpt (AVFormatContext *s, AVPacket *pkt)
static int	read_close_openmpt (AVFormatContext *s)
static int	read_seek_openmpt (AVFormatContext *s, int stream_idx, int64_t ts, int flags)
static int	probe_openmpt_extension (const AVProbeData *p)
static int	read_probe_openmpt (const AVProbeData *p)

Variables
static const AVOption	options []
static const AVClass	class_openmpt
const FFInputFormat	ff_libopenmpt_demuxer

Macro Definition Documentation

OPENMPT_API_VERSION_MAKE

#define OPENMPT_API_VERSION_MAKE	(		major,
			minor,
			patch )

Value:

(((major)<<24)|((minor)<<16)|((patch)<<0))

Definition at line 27 of file libopenmpt.c.

OPENMPT_API_VERSION_AT_LEAST

#define OPENMPT_API_VERSION_AT_LEAST	(		major,
			minor,
			patch )

Value:

(OPENMPT_API_VERSION >= OPENMPT_API_VERSION_MAKE((major), (minor), (patch)))

Definition at line 30 of file libopenmpt.c.

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(OpenMPTContext, x)

Definition at line 51 of file libopenmpt.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM

Definition at line 52 of file libopenmpt.c.

D

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 53 of file libopenmpt.c.

add_meta

#define add_meta	(		s,
			name,
			meta )

Value:

do {                                               \
    const char *value = meta;                      \
    if (value && value[0])                         \
        av_dict_set(&s->metadata, name, value, 0); \
    openmpt_free_string(value);                    \
} while(0)

Definition at line 72 of file libopenmpt.c.

Referenced by load_metadata(), and read_header_openmpt().

AUDIO_PKT_SIZE

#define AUDIO_PKT_SIZE   2048

Definition at line 164 of file libopenmpt.c.

Function Documentation

openmpt_logfunc()

static void openmpt_logfunc ( const char * message, void * userdata )

static

Definition at line 63 of file libopenmpt.c.

Referenced by read_header_openmpt(), and read_probe_openmpt().

read_header_openmpt()

static int read_header_openmpt ( AVFormatContext * s )

static

Definition at line 80 of file libopenmpt.c.

read_packet_openmpt()

static int read_packet_openmpt ( AVFormatContext * s, AVPacket * pkt )

static

Definition at line 166 of file libopenmpt.c.

read_close_openmpt()

static int read_close_openmpt ( AVFormatContext * s )

static

Definition at line 208 of file libopenmpt.c.

read_seek_openmpt()

static int read_seek_openmpt ( AVFormatContext * s, int stream_idx, int64_t ts, int flags )

static

Definition at line 218 of file libopenmpt.c.

probe_openmpt_extension()

static int probe_openmpt_extension ( const AVProbeData * p )

static

Definition at line 227 of file libopenmpt.c.

Referenced by read_probe_openmpt().

read_probe_openmpt()

static int read_probe_openmpt ( const AVProbeData * p )

static

Definition at line 241 of file libopenmpt.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "sample_rate", "set sample rate",    OFFSET(sample_rate), AV_OPT_TYPE_INT,            { .i64 = 48000 },               1000, INT_MAX,   A | D },
    { "layout",      "set channel layout", OFFSET(ch_layout),   AV_OPT_TYPE_CHLAYOUT,       { .str = "stereo" },            0,    0,         A | D },
    { "subsong",     "set subsong",        OFFSET(subsong),     AV_OPT_TYPE_INT,            { .i64 = -2 },                  -2,   INT_MAX,   A | D, .unit = "subsong"},
    { "all",         "all",                0,                   AV_OPT_TYPE_CONST,          { .i64 = -1},                   0,    0,         A | D, .unit = "subsong" },
    { "auto",        "auto",               0,                   AV_OPT_TYPE_CONST,          { .i64 = -2},                   0,    0,         A | D, .unit = "subsong" },
    { NULL }
}

Definition at line 54 of file libopenmpt.c.

class_openmpt

const AVClass class_openmpt

static

Initial value:

= {
    .class_name = "libopenmpt",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 283 of file libopenmpt.c.

ff_libopenmpt_demuxer

const FFInputFormat ff_libopenmpt_demuxer

Initial value:

= {
    .p.name         = "libopenmpt",
    .p.long_name    = NULL_IF_CONFIG_SMALL("Tracker formats (libopenmpt)"),
    .p.priv_class   = &class_openmpt,
 
 
 
    .p.extensions   = "669,amf,ams,dbm,digi,dmf,dsm,far,gdm,ice,imf,it,j2b,m15,mdl,med,mmcmp,mms,mo3,mod,mptm,mt2,mtm,nst,okt,plm,ppm,psm,pt36,ptm,s3m,sfx,sfx2,st26,stk,stm,ult,umx,wow,xm,xpk",
 
    .priv_data_size = sizeof(OpenMPTContext),
    .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP,
    .read_probe     = read_probe_openmpt,
    .read_header    = read_header_openmpt,
    .read_packet    = read_packet_openmpt,
    .read_close     = read_close_openmpt,
    .read_seek      = read_seek_openmpt,
}

Definition at line 290 of file libopenmpt.c.