libopenmpt.c File Reference

#include <libopenmpt/libopenmpt.h>
#include <libopenmpt/libopenmpt_stream_callbacks_file.h>
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	OpenMPTContext

Macros
#define	OFFSET(x)   offsetof(OpenMPTContext, 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)

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

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(OpenMPTContext, x)

Definition at line 42 of file libopenmpt.c.

#define A   AV_OPT_FLAG_AUDIO_PARAM

Definition at line 43 of file libopenmpt.c.

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 44 of file libopenmpt.c.

#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 63 of file libopenmpt.c.

Referenced by read_header_openmpt().

#define AUDIO_PKT_SIZE   2048

Definition at line 141 of file libopenmpt.c.

Referenced by read_packet_openmpt().

Function Documentation

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

static

Definition at line 54 of file libopenmpt.c.

Referenced by read_header_openmpt().

static int read_header_openmpt ( AVFormatContext *  s )

static

Definition at line 71 of file libopenmpt.c.

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

static

Definition at line 143 of file libopenmpt.c.

static int read_close_openmpt ( AVFormatContext *  s )

static

Definition at line 180 of file libopenmpt.c.

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

static

Definition at line 188 of file libopenmpt.c.

Variable Documentation

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(layout),      AV_OPT_TYPE_CHANNEL_LAYOUT, { .i64 = AV_CH_LAYOUT_STEREO }, 0,    INT64_MAX, A | D },
    { "subsong",     "set subsong",        OFFSET(subsong),     AV_OPT_TYPE_INT,            { .i64 = -2 },                  -2,   INT_MAX,   A | D, "subsong"},
    { "all",         "all",                0,                   AV_OPT_TYPE_CONST,          { .i64 = -1},                   0,    0,         A | D, "subsong" },
    { "auto",        "auto",               0,                   AV_OPT_TYPE_CONST,          { .i64 = -2},                   0,    0,         A | D, "subsong" },
    { NULL }
}

Definition at line 45 of file libopenmpt.c.

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 195 of file libopenmpt.c.

AVInputFormat ff_libopenmpt_demuxer

Initial value:

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

Definition at line 202 of file libopenmpt.c.