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vgmstream/xmp-vgmstream/xmp_vgmstream.c

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/**
* vgmstream for XMPlay
*/
#include <windows.h>
#include <windowsx.h>
#include <commctrl.h>
#include <stdio.h>
#include <io.h>
#include <conio.h>
#include <string.h>
#include <ctype.h>
#include "../src/formats.h"
#include "../src/vgmstream.h"
#include "xmpin.h"
#ifndef VERSION
#include "../version.h"
#endif
#ifndef VERSION
#define VERSION "(unknown version)"
#endif
static XMPFUNC_IN *xmpfin;
static XMPFUNC_MISC *xmpfmisc;
static XMPFUNC_FILE *xmpffile;
/* ************************************* */
typedef struct _XMPSTREAMFILE {
STREAMFILE sf;
XMPFILE file;
off_t offset;
char name[PATH_LIMIT];
} XMPSTREAMFILE;
static void xmpsf_seek(XMPSTREAMFILE *this, off_t offset) {
if (xmpffile->Seek(this->file, offset))
this->offset = offset;
else
this->offset = xmpffile->Tell(this->file);
}
static off_t xmpsf_get_size(XMPSTREAMFILE *this)
{
return xmpffile->GetSize(this->file);
}
static off_t xmpsf_get_offset(XMPSTREAMFILE *this)
{
return xmpffile->Tell(this->file);
}
static void xmpsf_get_name(XMPSTREAMFILE *this, char *buffer, size_t length)
{
strncpy(buffer, this->name, length);
buffer[length - 1] = '\0';
}
static size_t xmpsf_read(XMPSTREAMFILE *this, uint8_t *dest, off_t offset, size_t length)
{
size_t read;
if (this->offset != offset)
xmpsf_seek(this, offset);
read = xmpffile->Read(this->file, dest, length);
if (read > 0)
this->offset += read;
return read;
}
static void xmpsf_close(XMPSTREAMFILE *this)
{
// The line below is what Causes this Plugin to Crash. Credits to Ian Luck to Finding this issue.
// This closes the internal XMPFILE, which must be done by XMPlay instead.
// However vgmtream sometimes opens its own files, so it may be leaking handles.
//xmpffile->Close(this->file);
free(this);
}
static STREAMFILE *xmpsf_create_from_path(const char *path);
static STREAMFILE *xmpsf_open(XMPSTREAMFILE *this, const char *const filename, size_t buffersize)
{
if (!filename) return NULL;
return xmpsf_create_from_path(filename);
}
static STREAMFILE *xmpsf_create(XMPFILE file, const char *path)
{
XMPSTREAMFILE *streamfile = malloc(sizeof(XMPSTREAMFILE));
if (!streamfile) return NULL;
memset(streamfile, 0, sizeof(XMPSTREAMFILE));
streamfile->sf.read = (void*)xmpsf_read;
streamfile->sf.get_size = (void*)xmpsf_get_size;
streamfile->sf.get_offset = (void*)xmpsf_get_offset;
streamfile->sf.get_name = (void*)xmpsf_get_name;
streamfile->sf.get_realname = (void*)xmpsf_get_name;
streamfile->sf.open = (void*)xmpsf_open;
streamfile->sf.close = (void*)xmpsf_close;
streamfile->file = file;
streamfile->offset = 0;
strncpy(streamfile->name, path, sizeof(streamfile->name));
return &streamfile->sf;
}
STREAMFILE *xmpsf_create_from_path(const char *path)
{
XMPFILE file = xmpffile->Open(path);
if (!file)
return NULL;
return xmpsf_create(file, path);
}
// Probably not needed at all.
//VGMSTREAM *init_vgmstream_from_path(const char *path)
//{
// STREAMFILE *sf;
// VGMSTREAM *vgm;
//
// sf = xmpsf_create_from_path(path);
// if (!sf) return NULL;
//
// vgm = init_vgmstream_from_STREAMFILE(sf);
// if (!vgm) goto err1;
//
// return vgm;
//
//err1:
// xmpsf_close((XMPSTREAMFILE *)sf);
// return NULL;
//}
VGMSTREAM *init_vgmstream_from_xmpfile(XMPFILE file, const char *path)
{
STREAMFILE *sf;
VGMSTREAM *vgm;
sf = xmpsf_create(file, path);
if (!sf) return NULL;
vgm = init_vgmstream_from_STREAMFILE(sf);
if (!vgm) goto err1;
return vgm;
err1:
xmpsf_close((XMPSTREAMFILE *)sf);
return NULL;
}
/* ************************************* */
/* internal state */
VGMSTREAM * vgmstream = NULL;
int32_t totalFrames, framesDone, framesLength, framesFade;
#define APP_NAME "vgmstream plugin" //unused?
void __stdcall XMP_About(HWND hwParent) {
MessageBox(hwParent,
"vgmstream plugin " VERSION " " __DATE__ "\n"
"by hcs, FastElbja, manakoAT, bxaimc, snakemeat, soneek, kode54, bnnm and many others\n"
"\n"
"XMPlay plugin by unknownfile, PSXGamerPro1, kode54\n"
"\n"
"https://github.com/kode54/vgmstream/\n"
"https://sourceforge.net/projects/vgmstream/ (original)"
,"about xmp-vgmstream",MB_OK);
}
void __stdcall XMP_Close() {
close_vgmstream(vgmstream);
vgmstream = NULL;
}
BOOL __stdcall XMP_CheckFile(const char *filename, XMPFILE file) {
VGMSTREAM* thisvgmstream;
int ret;
if (file) thisvgmstream = init_vgmstream_from_xmpfile(file, filename);
else thisvgmstream = init_vgmstream(filename);
if (!thisvgmstream) ret = FALSE;
else { ret = TRUE; close_vgmstream(thisvgmstream); }
return ret;
}
DWORD __stdcall XMP_GetFileInfo(const char *filename, XMPFILE file, float **length, char **tags)
{
VGMSTREAM* thisvgmstream;
if (file) thisvgmstream = init_vgmstream_from_xmpfile(file, filename);
else thisvgmstream = init_vgmstream(filename);
if (!thisvgmstream) return 0;
if (length && thisvgmstream->sample_rate)
{
int totalFrames = get_vgmstream_play_samples(2.0, 10.0, 10.0, thisvgmstream);
float *lens = (float*)xmpfmisc->Alloc(sizeof(float));
lens[0] = (float)totalFrames / (float)thisvgmstream->sample_rate;
*length = lens;
}
close_vgmstream(thisvgmstream);
return 1;
}
DWORD __stdcall XMP_Open(const char *filename, XMPFILE file) {
if (file) vgmstream = init_vgmstream_from_xmpfile(file, filename);
else vgmstream = init_vgmstream(filename);
if (!vgmstream) return 0;
totalFrames = get_vgmstream_play_samples(2.0, 10.0, 10.0, vgmstream);
framesDone = 0;
framesFade = vgmstream->sample_rate * 10;
framesLength = totalFrames - framesFade;
if (totalFrames)
{
float length = (float)totalFrames / (float)vgmstream->sample_rate;
xmpfin->SetLength(length, TRUE);
}
return 1;
}
DWORD __stdcall XMP_Process(float* buffer, DWORD bufsize) {
INT16 buf[1024];
UINT32 i, j, todo, done;
BOOL doLoop = xmpfin->GetLooping();
float *sbuf = buffer;
UINT32 samplesTodo;
bufsize /= vgmstream->channels;
samplesTodo = doLoop ? bufsize : totalFrames - framesDone;
if (samplesTodo > bufsize)
samplesTodo = bufsize;
done = 0;
while (done < samplesTodo) {
todo = 1024 / vgmstream->channels;
if (todo > samplesTodo - done)
todo = samplesTodo - done;
render_vgmstream(buf, todo, vgmstream);
for (i = 0, j = todo * vgmstream->channels; i < j; ++i)
{
*sbuf++ = buf[i] * 1.0f / 32768.0f;
}
done += todo;
}
sbuf = buffer;
if (!doLoop && framesDone + done > framesLength)
{
long fadeStart = (framesLength > framesDone) ? framesLength : framesDone;
long fadeEnd = (framesDone + done) > totalFrames ? totalFrames : (framesDone + done);
long fadePos;
float fadeScale = (float)(totalFrames - fadeStart) / framesFade;
float fadeStep = 1.0f / framesFade;
sbuf += (fadeStart - framesDone) * vgmstream->channels;
j = vgmstream->channels;
for (fadePos = fadeStart; fadePos < fadeEnd; ++fadePos)
{
for (i = 0; i < j; ++i)
{
sbuf[i] = sbuf[i] * fadeScale;
}
sbuf += j;
fadeScale -= fadeStep;
if (fadeScale <= 0.0f) break;
}
done = (int)(fadePos - framesDone);
}
framesDone += done;
return done * vgmstream->channels;
}
void __stdcall XMP_SetFormat(XMPFORMAT *form) {
form->res = 16 / 8;
form->chan = vgmstream->channels;
form->rate = vgmstream->sample_rate;
}
char * __stdcall XMP_GetTags()
{
return NULL;
}
double __stdcall XMP_GetGranularity()
{
return 0.001;
}
double __stdcall XMP_SetPosition(DWORD pos) {
double cpos = (double)framesDone / (double)vgmstream->sample_rate;
double time = pos * XMP_GetGranularity();
if (time < cpos)
{
reset_vgmstream(vgmstream);
cpos = 0.0;
}
while (cpos < time)
{
INT16 buffer[1024];
long max_sample_count = 1024 / vgmstream->channels;
long samples_to_skip = (long)((time - cpos) * vgmstream->sample_rate);
if (samples_to_skip > max_sample_count)
samples_to_skip = max_sample_count;
if (!samples_to_skip)
break;
render_vgmstream(buffer, (int)samples_to_skip, vgmstream);
cpos += (double)samples_to_skip / (double)vgmstream->sample_rate;
}
framesDone = (int32_t)(cpos * vgmstream->sample_rate);
return cpos;
}
/* main panel info text (short file info) */
void __stdcall XMP_GetInfoText(char* format, char* length) {
if (!format)
return;
sprintf(format,"vgmstream");
/* length is the file time */
}
/* info for the "General" window/tab (buf is ~40K) */
void __stdcall XMP_GetGeneralInfo(char* buf) {
int i;
char description[1024];
if (!buf)
return;
if (!vgmstream)
return;
description[0] = '\0';
describe_vgmstream(vgmstream,description,sizeof(description));
/* tags are divided with a tab and lines with carriage return so we'll do some guetto fixin' */
for (i = 0; i < 1024; i++) {
int tag_done = 0;
if (description[i] == '\0')
break;
if (description[i] == ':' && !tag_done) { /* to ignore multiple ':' in a line*/
description[i] = ' ';
description[i+1] = '\t';
tag_done = 1;
}
if (description[i] == '\n') {
description[i] = '\r';
tag_done = 0;
}
}
sprintf(buf,"vgmstream\t\r%s\r", description);
}
static int add_extension(int length, char * dst, const char * src);
static void build_extension_list();
/* XMPlay extension list, only needed to associate extensions in Windows */
/* todo: as of v3.8.2.17, any more than ~1000 will crash XMplay's file list screen (but not using the non-native Winamp plugin...) */
#define EXTENSION_LIST_SIZE 1000 /*VGM_EXTENSION_LIST_CHAR_SIZE * 2*/
char working_extension_list[EXTENSION_LIST_SIZE] = {0};
/* plugin defs, see xmpin.h */
XMPIN vgmstream_intf = {
XMPIN_FLAG_CANSTREAM,
"vgmstream for XMPlay",
working_extension_list,
XMP_About,
NULL,//XMP_Config
XMP_CheckFile,
XMP_GetFileInfo,
XMP_Open,
XMP_Close,
NULL,
XMP_SetFormat,
XMP_GetTags, //(OPTIONAL) --actually mandatory
XMP_GetInfoText,
XMP_GetGeneralInfo,
NULL,//GetMessage - text for the "Message" tab window/tab (OPTIONAL)
XMP_SetPosition,
XMP_GetGranularity,
NULL,
XMP_Process,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
static int shownerror = 0;
__declspec(dllexport) XMPIN* __stdcall XMPIN_GetInterface(UINT32 face, InterfaceProc faceproc)
{
if (face != XMPIN_FACE)
{ // unsupported version
if (face<XMPIN_FACE && !shownerror)
{
//Replaced the message box below with a better one.
//MessageBox(0, "The XMP-vgmstream plugin requires XMPlay 3.8 or above", 0, MB_ICONEXCLAMATION);
MessageBox(0, "The xmp-vgmstream plugin requires XMPlay 3.8 or above. Please update at.\n\n http://www.un4seen.com/xmplay.html \n or at\n http://www.un4seen.com/stuff/xmplay.exe.", 0, MB_ICONEXCLAMATION);
shownerror = 1;
}
return NULL;
}
xmpfin = (XMPFUNC_IN*)faceproc(XMPFUNC_IN_FACE);
xmpfmisc = (XMPFUNC_MISC*)faceproc(XMPFUNC_MISC_FACE);
xmpffile = (XMPFUNC_FILE*)faceproc(XMPFUNC_FILE_FACE);
build_extension_list();
return &vgmstream_intf;
}
/**
* Creates XMPlay's extension list, a single string with 2 nulls.
* Extensions must be in this format: "Description\0extension1/.../extensionN"
*/
static void build_extension_list() {
const char ** ext_list;
int ext_list_len;
int i, written;
written = sprintf(working_extension_list, "%s%c", "vgmstream files",'\0');
ext_list = vgmstream_get_formats();
ext_list_len = vgmstream_get_formats_length();
for (i=0; i < ext_list_len; i++) {
written += add_extension(EXTENSION_LIST_SIZE-written, working_extension_list + written, ext_list[i]);
}
working_extension_list[written-1] = '\0'; /* remove last "/" */
}
/**
* Adds ext to XMPlay's extension list.
*/
static int add_extension(int length, char * dst, const char * ext) {
int ext_len;
int i;
if (length <= 1)
return 0;
ext_len = strlen(ext);
/* check if end reached or not enough room to add */
if (ext_len+2 > length-2) {
dst[0]='\0';
return 0;
}
/* copy new extension + null terminate */
for (i=0; i < ext_len; i++)
dst[i] = ext[i];
dst[i]='/';
dst[i+1]='\0';
return i+1;
}
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