FFmpeg
Data Structures | Macros | Functions | Variables
libopenmpt.c File Reference
#include <libopenmpt/libopenmpt.h>
#include <libopenmpt/libopenmpt_stream_callbacks_file.h>
#include <libopenmpt/libopenmpt_version.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 OPENMPT_API_VERSION_MAKE(major, minor, patch)   (((major)<<24)|((minor)<<16)|((patch)<<0))
 
#define OPENMPT_API_VERSION_AT_LEAST(major, minor, patch)   (OPENMPT_API_VERSION >= OPENMPT_API_VERSION_MAKE((major), (minor), (patch)))
 
#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)
 
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 AVInputFormat ff_libopenmpt_demuxer
 

Macro Definition Documentation

◆ OPENMPT_API_VERSION_MAKE

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

Definition at line 30 of file libopenmpt.c.

◆ OFFSET

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

Definition at line 50 of file libopenmpt.c.

◆ A

#define A   AV_OPT_FLAG_AUDIO_PARAM

Definition at line 51 of file libopenmpt.c.

◆ D

Definition at line 52 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 71 of file libopenmpt.c.

◆ AUDIO_PKT_SIZE

#define AUDIO_PKT_SIZE   2048

Definition at line 167 of file libopenmpt.c.

Function Documentation

◆ openmpt_logfunc()

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

Definition at line 62 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 79 of file libopenmpt.c.

◆ read_packet_openmpt()

static int read_packet_openmpt ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 169 of file libopenmpt.c.

◆ read_close_openmpt()

static int read_close_openmpt ( AVFormatContext s)
static

Definition at line 206 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 214 of file libopenmpt.c.

◆ probe_openmpt_extension()

static int probe_openmpt_extension ( const AVProbeData p)
static

Definition at line 221 of file libopenmpt.c.

Referenced by read_probe_openmpt().

◆ read_probe_openmpt()

static int read_probe_openmpt ( const AVProbeData p)
static

Definition at line 235 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(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 53 of file libopenmpt.c.

◆ class_openmpt

const AVClass class_openmpt
static
Initial value:
= {
.class_name = "libopenmpt",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 277 of file libopenmpt.c.

◆ ff_libopenmpt_demuxer

const AVInputFormat ff_libopenmpt_demuxer
Initial value:
= {
.name = "libopenmpt",
.long_name = NULL_IF_CONFIG_SMALL("Tracker formats (libopenmpt)"),
.priv_data_size = sizeof(OpenMPTContext),
.priv_class = &class_openmpt,
.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",
}

Definition at line 284 of file libopenmpt.c.

name
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option name
Definition: writing_filters.txt:88
read_probe_openmpt
static int read_probe_openmpt(const AVProbeData *p)
Definition: libopenmpt.c:235
sample_rate
sample_rate
Definition: ffmpeg_filter.c:156
read_seek
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
Definition: libcdio.c:153
read_close
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
read_packet_openmpt
static int read_packet_openmpt(AVFormatContext *s, AVPacket *pkt)
Definition: libopenmpt.c:169
AV_CH_LAYOUT_STEREO
#define AV_CH_LAYOUT_STEREO
Definition: channel_layout.h:91
s
#define s(width, name)
Definition: cbs_vp9.c:257
OFFSET
#define OFFSET(x)
Definition: libopenmpt.c:50
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
read_header
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:527
NULL
#define NULL
Definition: coverity.c:32
read_probe
static int read_probe(const AVProbeData *pd)
Definition: jvdec.c:55
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
read_header_openmpt
static int read_header_openmpt(AVFormatContext *s)
Definition: libopenmpt.c:79
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_OPT_TYPE_CHANNEL_LAYOUT
@ AV_OPT_TYPE_CHANNEL_LAYOUT
Definition: opt.h:241
layout
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel layout
Definition: filter_design.txt:18
read_close_openmpt
static int read_close_openmpt(AVFormatContext *s)
Definition: libopenmpt.c:206
D
#define D
Definition: libopenmpt.c:52
value
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default value
Definition: writing_filters.txt:86
OpenMPTContext
Definition: libopenmpt.c:38
read_packet
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
Definition: avio_reading.c:42
class_openmpt
static const AVClass class_openmpt
Definition: libopenmpt.c:277
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
A
#define A
Definition: libopenmpt.c:51
read_seek_openmpt
static int read_seek_openmpt(AVFormatContext *s, int stream_idx, int64_t ts, int flags)
Definition: libopenmpt.c:214
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
options
static const AVOption options[]
Definition: libopenmpt.c:53