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vgmstream/winamp/in_vgmstream.c

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/**
* vgmstream for Winamp
*/
/* Normally Winamp opens unicode files by their DOS 8.3 name. #define this to use wchar_t filenames,
* which must be opened with _wfopen in a WINAMP_STREAMFILE (needed for dual files like .pos).
* Only for Winamp paths, other parts would need #define UNICODE for Windows. */
#ifdef VGM_WINAMP_UNICODE
#define UNICODE_INPUT_PLUGIN
#endif
#ifdef _MSC_VER
#define _CRT_SECURE_NO_DEPRECATE
#endif
#include <windows.h>
#include <windowsx.h>
#include <commctrl.h>
#include <stdio.h>
#include <io.h>
#include <string.h>
#include <ctype.h>
#include "../src/vgmstream.h"
#include "in2.h"
#include "wa_ipc.h"
#include "ipc_pe.h"
#include "resource.h"
#ifndef VERSION
#include "../version.h"
#endif
#ifndef VERSION
#define VERSION "(unknown version)"
#endif
#define PLUGIN_DESCRIPTION "vgmstream plugin " VERSION " " __DATE__
/* ************************************* */
/* plugin main (declared at the bottom of this file) */
In_Module input_module;
DWORD WINAPI __stdcall decode(void *arg);
/* Winamp Play extension list, to accept and associate extensions in Windows */
#define EXTENSION_LIST_SIZE (0x2000 * 6)
#define EXT_BUFFER_SIZE 200
char working_extension_list[EXTENSION_LIST_SIZE] = {0};
/* defaults */
typedef struct {
double fade_seconds;
double fade_delay_seconds;
double loop_count;
int ignore_loop;
int loop_forever;
int thread_priority;
int disable_subsongs;
int downmix_channels;
} winamp_settings;
/* current song settings */
typedef struct {
int song_play_forever;
double song_loop_count;
double song_fade_time;
double song_fade_delay;
int song_ignore_loop;
int song_really_force_loop;
int song_ignore_fade;
} winamp_song_config;
winamp_settings settings;
winamp_song_config config;
/* plugin state */
VGMSTREAM * vgmstream = NULL;
HANDLE decode_thread_handle = INVALID_HANDLE_VALUE;
short sample_buffer[(576*2) * 2]; /* at least 576 16-bit samples, stereo, doubled in case Winamp's DSP is active */
int paused = 0;
int decode_abort = 0;
int seek_needed_samples = -1;
int decode_pos_ms = 0;
int decode_pos_samples = 0;
int stream_length_samples = 0;
int fade_samples = 0;
int output_channels = 0;
in_char lastfn[PATH_LIMIT] = {0}; /* name of the currently playing file */
/* ************************************* */
//todo safe ops
//todo there must be a better way to handle unicode...
#ifdef UNICODE_INPUT_PLUGIN
#define wa_strcpy wcscpy
#define wa_strncpy wcsncpy
#define wa_strcat wcscat
#define wa_strlen wcslen
#define wa_strchr wcschr
#define wa_sscanf swscanf
#define wa_snprintf _snwprintf
#define wa_strrchr wcsrchr
#define wa_fileinfo fileinfoW
#define wa_IPC_PE_INSERTFILENAME IPC_PE_INSERTFILENAMEW
#define wa_L(x) L ##x
#else
#define wa_strcpy strcpy
#define wa_strncpy strncpy
#define wa_strcat strcat
#define wa_strlen strlen
#define wa_strchr strchr
#define wa_sscanf sscanf
#define wa_snprintf snprintf
#define wa_strrchr strrchr
#define wa_fileinfo fileinfo
#define wa_IPC_PE_INSERTFILENAME IPC_PE_INSERTFILENAME
#define wa_L(x) x
#endif
/* converts from utf16 to utf8 (if unicode is active) */
static void wa_wchar_to_char(char *dst, size_t dstsize, const in_char *wsrc) {
#ifdef UNICODE_INPUT_PLUGIN
/* converto to UTF8 codepage, default separate bytes, source wstr, wstr lenght, */
//int size_needed = WideCharToMultiByte(CP_UTF8,0, src,-1, NULL,0, NULL, NULL);
WideCharToMultiByte(CP_UTF8,0, wsrc,-1, dst,dstsize, NULL, NULL);
#else
strcpy(dst,wsrc);
#endif
}
/* converts from utf8 to utf16 (if unicode is active) */
static void wa_char_to_wchar(in_char *wdst, size_t wdstsize, const char *src) {
#ifdef UNICODE_INPUT_PLUGIN
//int size_needed = MultiByteToWideChar(CP_UTF8,0, src,-1, NULL,0);
MultiByteToWideChar(CP_UTF8,0, src,-1, wdst,wdstsize);
#else
strcpy(wdst,src);
#endif
}
/* opens a utf16 (unicode) path */
static FILE* wa_fopen(const in_char *wpath) {
#ifdef UNICODE_INPUT_PLUGIN
return _wfopen(wpath,L"rb");
#else
return fopen(wpath,"rb");
#endif
}
/* dupes a utf16 (unicode) file */
static FILE* wa_fdopen(int fd) {
#ifdef UNICODE_INPUT_PLUGIN
return _wfdopen(fd,L"rb");
#else
return fdopen(fd,"rb");
#endif
}
/* ************************************* */
/* IN_STREAMFILE */
/* ************************************* */
/* a STREAMFILE that operates via STDIOSTREAMFILE but handles Winamp's unicode (in_char) paths */
typedef struct {
STREAMFILE sf;
STREAMFILE *stdiosf;
FILE *infile_ref; /* pointer to the infile in stdiosf */
} WINAMP_STREAMFILE;
static STREAMFILE *open_winamp_streamfile_by_file(FILE *infile, const char * path);
static STREAMFILE *open_winamp_streamfile_by_wpath(const in_char *wpath);
static size_t wasf_read(WINAMP_STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length) {
return streamfile->stdiosf->read(streamfile->stdiosf,dest,offset,length);
}
static off_t wasf_get_size(WINAMP_STREAMFILE *streamfile) {
return streamfile->stdiosf->get_size(streamfile->stdiosf);
}
static off_t wasf_get_offset(WINAMP_STREAMFILE *streamfile) {
return streamfile->stdiosf->get_offset(streamfile->stdiosf);
}
static void wasf_get_name(WINAMP_STREAMFILE *streamfile, char *buffer, size_t length) {
streamfile->stdiosf->get_name(streamfile->stdiosf, buffer, length);
}
static STREAMFILE *wasf_open(WINAMP_STREAMFILE *streamFile, const char *const filename, size_t buffersize) {
int newfd;
FILE *newfile;
STREAMFILE *newstreamFile;
in_char wpath[PATH_LIMIT];
char name[PATH_LIMIT];
if (!filename)
return NULL;
/* if same name, duplicate the file pointer we already have open */ //unsure if all this is needed
streamFile->stdiosf->get_name(streamFile->stdiosf, name, PATH_LIMIT);
if (!strcmp(name,filename)) {
if (((newfd = dup(fileno(streamFile->infile_ref))) >= 0) &&
(newfile = wa_fdopen(newfd)))
{
newstreamFile = open_winamp_streamfile_by_file(newfile,filename);
if (newstreamFile) {
return newstreamFile;
}
// failure, close it and try the default path (which will probably fail a second time)
fclose(newfile);
}
}
/* STREAMFILEs carry char/UTF8 names, convert to wchar for Winamp */
wa_char_to_wchar(wpath,PATH_LIMIT, filename);
return open_winamp_streamfile_by_wpath(wpath);
}
static void wasf_close(WINAMP_STREAMFILE *streamfile) {
/* closes infile_ref + frees in the internal STDIOSTREAMFILE (fclose for wchar is not needed) */
streamfile->stdiosf->close(streamfile->stdiosf);
free(streamfile); /* and the current struct */
}
static STREAMFILE *open_winamp_streamfile_by_file(FILE *infile, const char * path) {
WINAMP_STREAMFILE *this_sf = NULL;
STREAMFILE *stdiosf = NULL;
this_sf = calloc(1,sizeof(WINAMP_STREAMFILE));
if (!this_sf) goto fail;
stdiosf = open_stdio_streamfile_by_file(infile,path);
if (!stdiosf) goto fail;
this_sf->sf.read = (void*)wasf_read;
this_sf->sf.get_size = (void*)wasf_get_size;
this_sf->sf.get_offset = (void*)wasf_get_offset;
this_sf->sf.get_name = (void*)wasf_get_name;
this_sf->sf.open = (void*)wasf_open;
this_sf->sf.close = (void*)wasf_close;
this_sf->stdiosf = stdiosf;
this_sf->infile_ref = infile;
return &this_sf->sf; /* pointer to STREAMFILE start = rest of the custom data follows */
fail:
close_streamfile(stdiosf);
free(this_sf);
return NULL;
}
static STREAMFILE *open_winamp_streamfile_by_wpath(const in_char *wpath) {
FILE *infile = NULL;
STREAMFILE *streamFile;
char path[PATH_LIMIT];
/* open a FILE from a Winamp (possibly UTF-16) path */
infile = wa_fopen(wpath);
if (!infile) return NULL;
/* convert to UTF-8 if needed for internal use */
wa_wchar_to_char(path,PATH_LIMIT, wpath);
streamFile = open_winamp_streamfile_by_file(infile,path);
if (!streamFile) {
fclose(infile);
}
return streamFile;
}
/* opens vgmstream for winamp */
static VGMSTREAM* init_vgmstream_winamp(const in_char *fn, int stream_index) {
VGMSTREAM * vgmstream = NULL;
//return init_vgmstream(fn);
/* manually init streamfile to pass the stream index */
STREAMFILE *streamFile = open_winamp_streamfile_by_wpath(fn); //open_stdio_streamfile(fn);
if (streamFile) {
streamFile->stream_index = stream_index;
vgmstream = init_vgmstream_from_STREAMFILE(streamFile);
close_streamfile(streamFile);
}
return vgmstream;
}
/* ************************************* */
/* IN_CONFIG */
/* ************************************* */
/* Windows unicode, separate from Winamp's unicode flag */
#ifdef UNICODE
#define cfg_strncpy wcsncpy
#define cfg_strncat wcsncat
#define cfg_sprintf _swprintf
#define cfg_sscanf swscanf
#define cfg_strlen wcslen
#define cfg_strrchr wcsrchr
#else
#define cfg_strncpy strncpy
#define cfg_strncat strncat
#define cfg_sprintf sprintf
#define cfg_sscanf sscanf
#define cfg_strlen strlen
#define cfg_strrchr strrchr
#endif
/* converts from utf8 to utf16 (if unicode is active) */
static void cfg_char_to_wchar(TCHAR *wdst, size_t wdstsize, const char *src) {
#ifdef UNICODE
//int size_needed = MultiByteToWideChar(CP_UTF8,0, src,-1, NULL,0);
MultiByteToWideChar(CP_UTF8,0, src,-1, wdst,wdstsize);
#else
strcpy(wdst,src);
#endif
}
/* config */
#define CONFIG_APP_NAME TEXT("vgmstream plugin")
#define CONFIG_INI_NAME TEXT("plugin.ini")
#define DEFAULT_FADE_SECONDS TEXT("10.00")
#define DEFAULT_FADE_DELAY_SECONDS TEXT("0.00")
#define DEFAULT_LOOP_COUNT TEXT("2.00")
#define DEFAULT_THREAD_PRIORITY 3
#define DEFAULT_LOOP_FOREVER 0
#define DEFAULT_IGNORE_LOOP 0
#define DEFAULT_DISABLE_SUBSONGS 0
#define DEFAULT_DOWNMIX_CHANNELS 0
#define INI_ENTRY_FADE_SECONDS TEXT("fade_seconds")
#define INI_ENTRY_FADE_DELAY_SECONDS TEXT("fade_delay")
#define INI_ENTRY_LOOP_COUNT TEXT("loop_count")
#define INI_ENTRY_THREAD_PRIORITY TEXT("thread_priority")
#define INI_ENTRY_LOOP_FOREVER TEXT("loop_forever")
#define INI_ENTRY_IGNORE_LOOP TEXT("ignore_loop")
#define INI_ENTRY_DISABLE_SUBSONGS TEXT("disable_subsongs")
#define INI_ENTRY_DOWNMIX_CHANNELS TEXT("downmix_channels")
TCHAR *priority_strings[] = {
TEXT("Idle"),
TEXT("Lowest"),
TEXT("Below Normal"),
TEXT("Normal"),
TEXT("Above Normal"),
TEXT("Highest (not recommended)"),
TEXT("Time Critical (not recommended)")
};
int priority_values[] = {
THREAD_PRIORITY_IDLE,
THREAD_PRIORITY_LOWEST,
THREAD_PRIORITY_BELOW_NORMAL,
THREAD_PRIORITY_NORMAL,
THREAD_PRIORITY_ABOVE_NORMAL,
THREAD_PRIORITY_HIGHEST,
THREAD_PRIORITY_TIME_CRITICAL
};
// todo finish UNICODE (requires IPC_GETINIDIRECTORYW from later SDKs to read the ini path properly)
/* Winamp INI reader */
static void GetINIFileName(TCHAR *iniFile) {
/* if we're running on a newer winamp version that better supports
* saving of settings to a per-user directory, use that directory - if not
* then just revert to the old behaviour */
if(IsWindow(input_module.hMainWindow) && SendMessage(input_module.hMainWindow, WM_WA_IPC,0,IPC_GETVERSION) >= 0x5000) {
TCHAR * iniDir = (TCHAR *)SendMessage(input_module.hMainWindow, WM_WA_IPC, 0, IPC_GETINIDIRECTORY);
cfg_strncpy(iniFile, iniDir, PATH_LIMIT);
cfg_strncat(iniFile, TEXT("\\Plugins\\"), PATH_LIMIT);
/* can't be certain that \Plugins already exists in the user dir */
CreateDirectory(iniFile,NULL);
cfg_strncat(iniFile, CONFIG_INI_NAME, PATH_LIMIT);
}
else {
TCHAR * lastSlash;
GetModuleFileName(NULL, iniFile, PATH_LIMIT);
lastSlash = cfg_strrchr(iniFile, TEXT('\\'));
*(lastSlash + 1) = 0;
cfg_strncat(iniFile, TEXT("Plugins\\") CONFIG_INI_NAME,PATH_LIMIT);
}
}
static void load_config() {
TCHAR iniFile[PATH_LIMIT];
TCHAR buf[256];
size_t buf_size = 256;
int consumed, res;
GetINIFileName(iniFile);
settings.thread_priority = GetPrivateProfileInt(CONFIG_APP_NAME,INI_ENTRY_THREAD_PRIORITY,DEFAULT_THREAD_PRIORITY,iniFile);
if (settings.thread_priority < 0 || settings.thread_priority > 6) {
cfg_sprintf(buf, TEXT("%d"),DEFAULT_THREAD_PRIORITY);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_THREAD_PRIORITY,buf,iniFile);
settings.thread_priority = DEFAULT_THREAD_PRIORITY;
}
GetPrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_FADE_SECONDS,DEFAULT_FADE_SECONDS,buf,buf_size,iniFile);
res = cfg_sscanf(buf, TEXT("%lf%n"),&settings.fade_seconds,&consumed);
if (res < 1 || consumed != cfg_strlen(buf) || settings.fade_seconds < 0) {
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_FADE_SECONDS,DEFAULT_FADE_SECONDS,iniFile);
cfg_sscanf(DEFAULT_FADE_SECONDS, TEXT("%lf"),&settings.fade_seconds);
}
GetPrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_FADE_DELAY_SECONDS,DEFAULT_FADE_DELAY_SECONDS,buf,buf_size,iniFile);
res = cfg_sscanf(buf, TEXT("%lf%n"),&settings.fade_delay_seconds,&consumed);
if (res < 1 || consumed != cfg_strlen(buf)) {
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_FADE_DELAY_SECONDS,DEFAULT_FADE_DELAY_SECONDS,iniFile);
cfg_sscanf(DEFAULT_FADE_DELAY_SECONDS, TEXT("%lf"),&settings.fade_delay_seconds);
}
GetPrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_LOOP_COUNT,DEFAULT_LOOP_COUNT,buf,buf_size,iniFile);
res = cfg_sscanf(buf, TEXT("%lf%n"),&settings.loop_count,&consumed);
if (res < 1 || consumed != cfg_strlen(buf) || settings.loop_count < 0) {
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_LOOP_COUNT,DEFAULT_LOOP_COUNT,iniFile);
cfg_sscanf(DEFAULT_LOOP_COUNT, TEXT("%lf"),&settings.loop_count);
}
settings.loop_forever = GetPrivateProfileInt(CONFIG_APP_NAME,INI_ENTRY_LOOP_FOREVER,DEFAULT_LOOP_FOREVER,iniFile);
settings.ignore_loop = GetPrivateProfileInt(CONFIG_APP_NAME,INI_ENTRY_IGNORE_LOOP,DEFAULT_IGNORE_LOOP,iniFile);
if (settings.loop_forever && settings.ignore_loop) {
cfg_sprintf(buf, TEXT("%d"),DEFAULT_LOOP_FOREVER);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_LOOP_FOREVER,buf,iniFile);
settings.loop_forever = DEFAULT_LOOP_FOREVER;
cfg_sprintf(buf, TEXT("%d"),DEFAULT_IGNORE_LOOP);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_IGNORE_LOOP,buf,iniFile);
settings.ignore_loop = DEFAULT_IGNORE_LOOP;
}
settings.disable_subsongs = GetPrivateProfileInt(CONFIG_APP_NAME,INI_ENTRY_DISABLE_SUBSONGS,DEFAULT_DISABLE_SUBSONGS,iniFile);
//if (settings.disable_subsongs < 0) { //unneeded?
// sprintf(buf, TEXT("%d"),DEFAULT_DISABLE_SUBSONGS);
// WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_DISABLE_SUBSONGS,buf,iniFile);
// settings.disable_subsongs = DEFAULT_DISABLE_SUBSONGS;
//}
settings.downmix_channels = GetPrivateProfileInt(CONFIG_APP_NAME,INI_ENTRY_DOWNMIX_CHANNELS,DEFAULT_DOWNMIX_CHANNELS,iniFile);
if (settings.downmix_channels < 0) {
cfg_sprintf(buf, TEXT("%d"),DEFAULT_DOWNMIX_CHANNELS);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_DOWNMIX_CHANNELS,buf,iniFile);
settings.downmix_channels = DEFAULT_DOWNMIX_CHANNELS;
}
}
/* config dialog handler */
INT_PTR CALLBACK configDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
TCHAR buf[256];
TCHAR iniFile[PATH_LIMIT];
static int mypri;
HANDLE hSlider;
size_t buf_size = 256;
switch (uMsg) {
case WM_CLOSE: /* hide dialog */
EndDialog(hDlg,TRUE);
return TRUE;
case WM_INITDIALOG: /* open dialog */
GetINIFileName(iniFile); //todo unneeded?
hSlider = GetDlgItem(hDlg,IDC_THREAD_PRIORITY_SLIDER);
SendMessage(hSlider, TBM_SETRANGE,
(WPARAM) TRUE, /* redraw flag */
(LPARAM) MAKELONG(1, 7)); /* min. & max. positions */
SendMessage(hSlider, TBM_SETPOS,
(WPARAM) TRUE, /* redraw flag */
(LPARAM) settings.thread_priority+1);
mypri = settings.thread_priority;
SetDlgItemText(hDlg,IDC_THREAD_PRIORITY_TEXT,priority_strings[settings.thread_priority]);
cfg_sprintf(buf, TEXT("%.2lf"),settings.fade_seconds);
SetDlgItemText(hDlg,IDC_FADE_SECONDS,buf);
cfg_sprintf(buf, TEXT("%.2lf"),settings.fade_delay_seconds);
SetDlgItemText(hDlg,IDC_FADE_DELAY_SECONDS,buf);
cfg_sprintf(buf, TEXT("%.2lf"),settings.loop_count);
SetDlgItemText(hDlg,IDC_LOOP_COUNT,buf);
if (settings.loop_forever)
CheckDlgButton(hDlg,IDC_LOOP_FOREVER,BST_CHECKED);
else if (settings.ignore_loop)
CheckDlgButton(hDlg,IDC_IGNORE_LOOP,BST_CHECKED);
else
CheckDlgButton(hDlg,IDC_LOOP_NORMALLY,BST_CHECKED);
if (settings.disable_subsongs)
CheckDlgButton(hDlg,IDC_DISABLE_SUBSONGS,BST_CHECKED);
cfg_sprintf(buf, TEXT("%d"),settings.downmix_channels);
SetDlgItemText(hDlg,IDC_DOWNMIX_CHANNELS,buf);
break;
case WM_COMMAND: /* button presses */
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case IDOK: /* read and verify new values */
{
double temp_fade_seconds;
double temp_fade_delay_seconds;
double temp_loop_count;
int temp_downmix_channels;
int consumed, res;
GetDlgItemText(hDlg,IDC_FADE_SECONDS,buf,buf_size);
res = cfg_sscanf(buf, TEXT("%lf%n"),&temp_fade_seconds,&consumed);
if (res < 1 || consumed != cfg_strlen(buf) || temp_fade_seconds < 0) {
MessageBox(hDlg,
TEXT("Invalid value for Fade Length\n")
TEXT("Must be a number greater than or equal to zero"),
TEXT("Error"),MB_OK|MB_ICONERROR);
break;
}
GetDlgItemText(hDlg,IDC_FADE_DELAY_SECONDS,buf,buf_size);
res = cfg_sscanf(buf, TEXT("%lf%n"),&temp_fade_delay_seconds,&consumed);
if (res < 1 || consumed != cfg_strlen(buf)) {
MessageBox(hDlg,
TEXT("Invalid value for Fade Delay\n")
TEXT("Must be a number"),
TEXT("Error"),MB_OK|MB_ICONERROR);
break;
}
GetDlgItemText(hDlg,IDC_LOOP_COUNT,buf,buf_size);
res = cfg_sscanf(buf, TEXT("%lf%n"),&temp_loop_count,&consumed);
if (res < 1 || consumed != cfg_strlen(buf) || temp_loop_count < 0) {
MessageBox(hDlg,
TEXT("Invalid value for Loop Count\n")
TEXT("Must be a number greater than or equal to zero"),
TEXT("Error"),MB_OK|MB_ICONERROR);
break;
}
GetDlgItemText(hDlg,IDC_DOWNMIX_CHANNELS,buf,buf_size);
res = cfg_sscanf(buf, TEXT("%d%n"),&temp_downmix_channels,&consumed);
if (res < 1 || consumed != cfg_strlen(buf) || temp_downmix_channels < 0) {
MessageBox(hDlg,
TEXT("Invalid value for Downmix Channels\n")
TEXT("Must be a number greater than or equal to zero"),
TEXT("Error"),MB_OK|MB_ICONERROR);
break;
}
GetINIFileName(iniFile);
settings.thread_priority = mypri;
cfg_sprintf(buf, TEXT("%d"),settings.thread_priority);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_THREAD_PRIORITY,buf,iniFile);
settings.fade_seconds = temp_fade_seconds;
cfg_sprintf(buf, TEXT("%.2lf"),settings.fade_seconds);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_FADE_SECONDS,buf,iniFile);
settings.fade_delay_seconds = temp_fade_delay_seconds;
cfg_sprintf(buf, TEXT("%.2lf"),settings.fade_delay_seconds);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_FADE_DELAY_SECONDS,buf,iniFile);
settings.loop_count = temp_loop_count;
cfg_sprintf(buf, TEXT("%.2lf"),settings.loop_count);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_LOOP_COUNT,buf,iniFile);
settings.loop_forever = (IsDlgButtonChecked(hDlg,IDC_LOOP_FOREVER) == BST_CHECKED);
cfg_sprintf(buf, TEXT("%d"),settings.loop_forever);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_LOOP_FOREVER,buf,iniFile);
settings.ignore_loop = (IsDlgButtonChecked(hDlg,IDC_IGNORE_LOOP) == BST_CHECKED);
cfg_sprintf(buf, TEXT("%d"),settings.ignore_loop);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_IGNORE_LOOP,buf,iniFile);
settings.disable_subsongs = (IsDlgButtonChecked(hDlg,IDC_DISABLE_SUBSONGS) == BST_CHECKED);
cfg_sprintf(buf, TEXT("%d"),settings.disable_subsongs);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_DISABLE_SUBSONGS,buf,iniFile);
settings.loop_count = temp_loop_count;
cfg_sprintf(buf, TEXT("%.2lf"),settings.loop_count);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_LOOP_COUNT,buf,iniFile);
settings.downmix_channels = temp_downmix_channels;
cfg_sprintf(buf, TEXT("%d"),settings.downmix_channels);
WritePrivateProfileString(CONFIG_APP_NAME,INI_ENTRY_DOWNMIX_CHANNELS,buf,iniFile);
}
EndDialog(hDlg,TRUE);
break;
case IDCANCEL:
EndDialog(hDlg,TRUE);
break;
case IDC_DEFAULT_BUTTON:
hSlider = GetDlgItem(hDlg,IDC_THREAD_PRIORITY_SLIDER);
SendMessage(hSlider, TBM_SETRANGE,
(WPARAM) TRUE, /* redraw flag */
(LPARAM) MAKELONG(1, 7)); /* min. & max. positions */
SendMessage(hSlider, TBM_SETPOS,
(WPARAM) TRUE, /* redraw flag */
(LPARAM) DEFAULT_THREAD_PRIORITY+1);
mypri = DEFAULT_THREAD_PRIORITY;
SetDlgItemText(hDlg,IDC_THREAD_PRIORITY_TEXT,priority_strings[mypri]);
SetDlgItemText(hDlg,IDC_FADE_SECONDS,DEFAULT_FADE_SECONDS);
SetDlgItemText(hDlg,IDC_FADE_DELAY_SECONDS,DEFAULT_FADE_DELAY_SECONDS);
SetDlgItemText(hDlg,IDC_LOOP_COUNT,DEFAULT_LOOP_COUNT);
CheckDlgButton(hDlg,IDC_LOOP_FOREVER,BST_UNCHECKED);
CheckDlgButton(hDlg,IDC_IGNORE_LOOP,BST_UNCHECKED);
CheckDlgButton(hDlg,IDC_LOOP_NORMALLY,BST_CHECKED);
CheckDlgButton(hDlg,IDC_DISABLE_SUBSONGS,BST_UNCHECKED);
SetDlgItemText(hDlg,IDC_DOWNMIX_CHANNELS,DEFAULT_DOWNMIX_CHANNELS);
break;
default:
return FALSE;
}
return FALSE;
case WM_HSCROLL: /* priority scroll */
if ((struct HWND__ *)lParam==GetDlgItem(hDlg,IDC_THREAD_PRIORITY_SLIDER)) {
if (LOWORD(wParam)==TB_THUMBPOSITION || LOWORD(wParam)==TB_THUMBTRACK) {
mypri = HIWORD(wParam)-1;
}
else {
mypri = SendMessage(GetDlgItem(hDlg,IDC_THREAD_PRIORITY_SLIDER),TBM_GETPOS,0,0)-1;
}
SetDlgItemText(hDlg,IDC_THREAD_PRIORITY_TEXT,priority_strings[mypri]);
}
break;
default:
return FALSE;
}
return TRUE;
}
/* ***************************************** */
/* IN_VGMSTREAM UTILS */
/* ***************************************** */
/* makes a modified filename, suitable to pass parameters around */
static void make_fn_subsong(in_char * dst, int dst_size, const in_char * filename, int stream_index) {
/* Follows "(file)(config)(ext)". Winamp needs to "see" (ext) to validate, and file goes first so relative
* files work in M3Us (path is added). Protocols a la "vgmstream://(config)(file)" work but don't get full paths. */
wa_snprintf(dst,dst_size, wa_L("%s|$s=%i|.vgmstream"), filename, stream_index);
}
/* unpacks the subsongs by adding entries to the playlist */
static int split_subsongs(const in_char * filename, int stream_index, VGMSTREAM *vgmstream) {
int i, playlist_index;
HWND hPlaylistWindow;
if (settings.disable_subsongs || vgmstream->num_streams <= 1)
return 0; /* don't split if no subsongs */
if (stream_index > 0 || vgmstream->stream_index > 0)
return 0; /* no split if already playing subsong */
hPlaylistWindow = (HWND)SendMessage(input_module.hMainWindow, WM_WA_IPC, IPC_GETWND_PE, IPC_GETWND);
playlist_index = SendMessage(input_module.hMainWindow,WM_WA_IPC,0,IPC_GETLISTPOS);
/* The only way to pass info around in Winamp is encoding it into the filename, so a fake name
* is created with the index. Then, winamp_Play (and related) intercepts and reads the index. */
for (i = 0; i < vgmstream->num_streams; i++) {
in_char stream_fn[PATH_LIMIT];
make_fn_subsong(stream_fn,PATH_LIMIT, filename, (i+1)); /* encode index in filename */
/* insert at index */
{
COPYDATASTRUCT cds = {0};
wa_fileinfo f;
wa_strncpy(f.file, stream_fn,MAX_PATH-1);
f.file[MAX_PATH-1] = '\0';
f.index = playlist_index + (i+1);
cds.dwData = wa_IPC_PE_INSERTFILENAME;
cds.lpData = (void*)&f;
cds.cbData = sizeof(wa_fileinfo);
SendMessage(hPlaylistWindow,WM_COPYDATA,0,(LPARAM)&cds);
}
/* IPC_ENQUEUEFILE can pre-set the title without needing the Playlist handle, but can't insert at index */
}
/* remove current file from the playlist */
SendMessage(hPlaylistWindow, WM_WA_IPC, IPC_PE_DELETEINDEX, playlist_index);
/* autoplay doesn't always advance to the first unpacked track, manually fails too */
//SendMessage(input_module.hMainWindow,WM_WA_IPC,playlist_index,IPC_SETPLAYLISTPOS);
//SendMessage(input_module.hMainWindow,WM_WA_IPC,0,IPC_STARTPLAY);
return 1;
}
/* parses a modified filename ('fakename') extracting tags parameters (NULL tag for first = filename) */
static int parse_fn_string(const in_char * fn, const in_char * tag, in_char * dst, int dst_size) {
in_char *end;
end = wa_strchr(fn,'|');
if (tag==NULL) {
wa_strcpy(dst,fn);
if (end)
dst[end - fn] = '\0';
return 1;
}
//todo actually find + read tags
dst[0] = '\0';
return 0;
}
static int parse_fn_int(const in_char * fn, const in_char * tag, int * num) {
in_char * start = wa_strchr(fn,'|');
//todo actually find + read tags
if (start > 0) {
wa_sscanf(start+1, wa_L("$s=%i "), num);
return 1;
} else {
*num = 0;
return 0;
}
}
/* try to detect XMPlay, which can't interact with the playlist = no splitting */
static int is_xmplay() {
if (GetModuleHandle( TEXT("xmplay.exe") ))
return 1;
if (GetModuleHandle( TEXT("xmp-wadsp.dll") ))
return 1;
if (GetModuleHandle( TEXT("xmp-wma.dll") ))
return 1;
return 0;
}
/* Adds ext to Winamp's extension list */
static void add_extension(int length, char * dst, const char * ext) {
char buf[EXT_BUFFER_SIZE];
char ext_upp[EXT_BUFFER_SIZE];
int ext_len, written;
int i,j;
if (length <= 1)
return;
ext_len = strlen(ext);
/* find end of dst (double \0), saved in i */
for (i=0; i<length-2 && (dst[i] || dst[i+1]); i++)
;
/* check if end reached or not enough room to add */
if (i == length-2 || i + EXT_BUFFER_SIZE+2 > length-2 || ext_len * 3 + 20+2 > EXT_BUFFER_SIZE) {
dst[i]='\0';
dst[i+1]='\0';
return;
}
if (i > 0)
i++;
/* uppercase ext */
for (j=0; j < ext_len; j++)
ext_upp[j] = toupper(ext[j]);
ext_upp[j] = '\0';
/* copy new extension + double null terminate */
written = sprintf(buf, "%s%c%s Audio File (*.%s)%c", ext,'\0',ext_upp,ext_upp,'\0'); /*ex: "vgmstream\0vgmstream Audio File (*.VGMSTREAM)\0" */
for (j=0; j < written; i++,j++)
dst[i] = buf[j];
dst[i]='\0';
dst[i+1]='\0';
}
/* Creates Winamp's extension list, a single string that ends with \0\0.
* Each extension must be in this format: "extension\0Description\0"
* The list is used to accept extensions by default when IsOurFile returns 0, and to register file types.
* It could be ignored/empty and just detect in IsOurFile instead. */
static void build_extension_list() {
const char ** ext_list;
size_t ext_list_len;
int i;
working_extension_list[0]='\0';
working_extension_list[1]='\0';
ext_list = vgmstream_get_formats(&ext_list_len);
for (i=0; i < ext_list_len; i++) {
add_extension(EXTENSION_LIST_SIZE, working_extension_list, ext_list[i]);
}
}
/* unicode utils */
static void get_title(in_char * dst, int dst_size, const in_char * fn, VGMSTREAM * infostream) {
in_char *basename;
in_char buffer[PATH_LIMIT];
in_char filename[PATH_LIMIT];
int stream_index = 0;
parse_fn_string(fn, NULL, filename,PATH_LIMIT);
parse_fn_int(fn, wa_L("$s"), &stream_index);
basename = (in_char*)filename + wa_strlen(filename); /* find end */
while (*basename != '\\' && basename >= filename) /* and find last "\" */
basename--;
basename++;
wa_strcpy(dst,basename);
/* show stream subsong number */
if (stream_index > 0) {
wa_snprintf(buffer,PATH_LIMIT, wa_L("#%i"), stream_index);
wa_strcat(dst,buffer);
}
/* show name, but not for the base stream */
if (infostream && infostream->stream_name[0] != '\0' && stream_index > 0) {
in_char stream_name[PATH_LIMIT];
wa_char_to_wchar(stream_name, PATH_LIMIT, infostream->stream_name);
wa_snprintf(buffer,PATH_LIMIT, wa_L(" (%s)"), stream_name);
wa_strcat(dst,buffer);
}
}
static void set_config_defaults(winamp_song_config *current) {
current->song_play_forever = settings.loop_forever;
current->song_loop_count = settings.loop_count;
current->song_fade_time = settings.fade_seconds;
current->song_fade_delay = settings.fade_delay_seconds;
current->song_ignore_loop = settings.ignore_loop;
current->song_really_force_loop = 0;
current->song_ignore_fade = 0;
}
static void apply_config(VGMSTREAM * vgmstream, winamp_song_config *current) {
/* honor suggested config, if any (defined order matters)
* note that ignore_fade and play_forever should take priority */
if (vgmstream->config_loop_count) {
current->song_loop_count = vgmstream->config_loop_count;
}
if (vgmstream->config_fade_delay) {
current->song_fade_delay = vgmstream->config_fade_delay;
}
if (vgmstream->config_fade_time) {
current->song_fade_time = vgmstream->config_fade_time;
}
if (vgmstream->config_force_loop) {
current->song_really_force_loop = 1;
}
if (vgmstream->config_ignore_loop) {
current->song_ignore_loop = 1;
}
if (vgmstream->config_ignore_fade) {
current->song_ignore_fade = 1;
}
/* remove non-compatible options */
if (current->song_play_forever) {
current->song_ignore_fade = 0;
current->song_ignore_loop = 0;
}
/* change loop stuff, in no particular order */
if (current->song_really_force_loop) {
vgmstream_force_loop(vgmstream, 1, 0,vgmstream->num_samples);
}
if (current->song_ignore_loop) {
vgmstream_force_loop(vgmstream, 0, 0,0);
current->song_fade_time = 0;
}
/* loop N times, but also play stream end instead of fading out */
if (current->song_loop_count > 0 && current->song_ignore_fade) {
vgmstream_set_loop_target(vgmstream, (int)current->song_loop_count);
}
}
/* ***************************************** */
/* IN_VGMSTREAM */
/* ***************************************** */
/* about dialog */
void winamp_About(HWND hwndParent) {
const char *ABOUT_TEXT =
PLUGIN_DESCRIPTION "\n"
"by hcs, FastElbja, manakoAT, bxaimc, snakemeat, soneek, kode54, bnnm and many others\n"
"\n"
"Winamp plugin by hcs, others\n"
"\n"
"https://github.com/kode54/vgmstream/\n"
"https://sourceforge.net/projects/vgmstream/ (original)";
{
TCHAR buf[1024];
size_t buf_size = 1024;
cfg_char_to_wchar(buf, buf_size, ABOUT_TEXT);
MessageBox(hwndParent, buf,TEXT("about in_vgmstream"),MB_OK);
}
}
/* called at program init */
void winamp_Init() {
/* get ini config */
load_config();
/* XMPlay with in_vgmstream doesn't support most IPC_x messages so no playlist manipulation */
if (is_xmplay()) {
settings.disable_subsongs = 1;
}
/* dynamically make a list of supported extensions */
build_extension_list();
}
/* called at program quit */
void winamp_Quit() {
}
/* called before extension checks, to allow detection of mms://, etc */
int winamp_IsOurFile(const in_char *fn) {
const in_char *filename;
const in_char *extension;
/* get basename + extension */
filename = fn;
#if 0
//must detect empty extensions in folders with . in the name; doesn't work ok?
filename = wa_strrchr(fn, wa_L('\\'));
if (filename == NULL)
filename = fn;
else
filename++;
#endif
extension = wa_strrchr(filename, wa_L('.'));
if (extension == NULL)
return 1; /* extensionless, try to play it */
else
extension++;
/* returning 0 here means it only accepts the extensions in working_extension_list */
/* it's possible to ignore the list and manually accept extensions, like foobar's g_is_our_path */
return 0;
}
/* request to start playing a file */
int winamp_Play(const in_char *fn) {
int max_latency;
in_char filename[PATH_LIMIT];
int stream_index = 0;
if (vgmstream)
return 1; // TODO: this should either pop up an error box or close the file
/* check for info encoded in the filename */
parse_fn_string(fn, NULL, filename,PATH_LIMIT);
parse_fn_int(fn, wa_L("$s"), &stream_index);
/* open the stream */
vgmstream = init_vgmstream_winamp(filename,stream_index);
if (!vgmstream)
return 1;
/* add N subsongs to the playlist, if any */
if (split_subsongs(filename, stream_index, vgmstream)) {
close_vgmstream(vgmstream);
vgmstream = NULL;
return 1;
}
/* config */
set_config_defaults(&config);
apply_config(vgmstream, &config);
output_channels = vgmstream->channels;
if (settings.downmix_channels > 0 && settings.downmix_channels < vgmstream->channels)
output_channels = settings.downmix_channels;
/* save original name */
wa_strncpy(lastfn,fn,PATH_LIMIT);
/* open the output plugin */
max_latency = input_module.outMod->Open(vgmstream->sample_rate,output_channels, 16, 0, 0);
if (max_latency < 0) {
close_vgmstream(vgmstream);
vgmstream = NULL;
return 1;
}
/* set info display */
input_module.SetInfo(get_vgmstream_average_bitrate(vgmstream)/1000, vgmstream->sample_rate/1000, output_channels, 1);
/* setup visualization */
input_module.SAVSAInit(max_latency,vgmstream->sample_rate);
input_module.VSASetInfo(vgmstream->sample_rate,output_channels);
/* reset internals */
decode_abort = 0;
seek_needed_samples = -1;
decode_pos_ms = 0;
decode_pos_samples = 0;
paused = 0;
stream_length_samples = get_vgmstream_play_samples(config.song_loop_count,config.song_fade_time,config.song_fade_delay,vgmstream);
fade_samples = (int)(config.song_fade_time * vgmstream->sample_rate);
/* start */
decode_thread_handle = CreateThread(
NULL, /* handle cannot be inherited */
0, /* stack size, 0=default */
decode, /* thread start routine */
NULL, /* no parameter to start routine */
0, /* run thread immediately */
NULL); /* don't keep track of the thread id */
SetThreadPriority(decode_thread_handle,priority_values[settings.thread_priority]); //todo don't use priority values directly?
return 0; /* success */
}
/* pause stream */
void winamp_Pause() {
paused = 1;
input_module.outMod->Pause(1);
}
/* unpause stream */
void winamp_UnPause() {
paused = 0;
input_module.outMod->Pause(0);
}
/* return 1 if paused, 0 if not */
int winamp_IsPaused() {
return paused;
}
/* stop (unload) stream */
void winamp_Stop() {
if (decode_thread_handle != INVALID_HANDLE_VALUE) {
decode_abort = 1;
/* arbitrary wait length */
if (WaitForSingleObject(decode_thread_handle,1000) == WAIT_TIMEOUT) {
TerminateThread(decode_thread_handle,0); // TODO: error?
}
CloseHandle(decode_thread_handle);
decode_thread_handle = INVALID_HANDLE_VALUE;
}
close_vgmstream(vgmstream);
vgmstream = NULL;
input_module.outMod->Close();
input_module.SAVSADeInit();
}
/* get length in ms */
int winamp_GetLength() {
return stream_length_samples * 1000LL / vgmstream->sample_rate;
}
/* current output time in ms */
int winamp_GetOutputTime() {
return decode_pos_ms + (input_module.outMod->GetOutputTime()-input_module.outMod->GetWrittenTime());
}
/* seeks to point in stream (in ms) */
void winamp_SetOutputTime(int time_in_ms) {
if (!vgmstream)
return;
seek_needed_samples = (long long)time_in_ms * vgmstream->sample_rate / 1000LL;
}
/* pass these commands through */
void winamp_SetVolume(int volume) {
input_module.outMod->SetVolume(volume);
}
void winamp_SetPan(int pan) {
input_module.outMod->SetPan(pan);
}
/* display info box (ALT+3) */
int winamp_InfoBox(const in_char *fn, HWND hwnd) {
char description[1024] = {0};
size_t description_size = 1024;
concatn(description_size,description,PLUGIN_DESCRIPTION "\n\n");
if (!fn || !*fn) {
/* no filename = current playing file */
if (!vgmstream)
return 0;
describe_vgmstream(vgmstream,description,description_size);
}
else {
/* some other file in playlist given by filename */
VGMSTREAM * infostream = NULL;
winamp_song_config infoconfig = {0};
in_char filename[PATH_LIMIT];
int stream_index = 0;
/* check for info encoded in the filename */
parse_fn_string(fn, NULL, filename,PATH_LIMIT);
parse_fn_int(fn, wa_L("$s"), &stream_index);
infostream = init_vgmstream_winamp(filename, stream_index);
if (!infostream) return 0;
set_config_defaults(&infoconfig);
apply_config(infostream, &infoconfig);
describe_vgmstream(infostream,description,description_size);
close_vgmstream(infostream);
infostream = NULL;
}
{
TCHAR buf[1024] = {0};
size_t buf_size = 1024;
cfg_char_to_wchar(buf, buf_size, description);
MessageBox(hwnd,buf,TEXT("Stream info"),MB_OK);
}
return 0;
}
/* retrieve title (playlist name) and time on the current or other file in the playlist */
void winamp_GetFileInfo(const in_char *fn, in_char *title, int *length_in_ms) {
if (!fn || !*fn) {
/* no filename = current playing file */
if (!vgmstream)
return;
if (title) {
get_title(title,GETFILEINFO_TITLE_LENGTH, lastfn, vgmstream);
}
if (length_in_ms) {
*length_in_ms = winamp_GetLength();
}
}
else {
/* some other file in playlist given by filename */
VGMSTREAM * infostream = NULL;
winamp_song_config infoconfig = {0};
in_char filename[PATH_LIMIT];
int stream_index = 0;
/* check for info encoded in the filename */
parse_fn_string(fn, NULL, filename,PATH_LIMIT);
parse_fn_int(fn, wa_L("$s"), &stream_index);
infostream = init_vgmstream_winamp(filename, stream_index);
if (!infostream) return;
set_config_defaults(&infoconfig);
apply_config(infostream, &infoconfig);
if (title) {
get_title(title,GETFILEINFO_TITLE_LENGTH, fn, infostream);
}
if (length_in_ms) {
*length_in_ms = -1000;
if (infostream) {
int num_samples = get_vgmstream_play_samples(infoconfig.song_loop_count,infoconfig.song_fade_time,infoconfig.song_fade_delay,infostream);
*length_in_ms = num_samples * 1000LL /infostream->sample_rate;
}
}
close_vgmstream(infostream);
infostream = NULL;
}
}
/* eq stuff */
void winamp_EQSet(int on, char data[10], int preamp) {
}
/* the decode thread */
DWORD WINAPI __stdcall decode(void *arg) {
int max_buffer_samples = sizeof(sample_buffer) / sizeof(sample_buffer[0]) / 2 / vgmstream->channels;
int max_samples = stream_length_samples;
while (!decode_abort) {
int samples_to_do;
int output_bytes;
if (decode_pos_samples + max_buffer_samples > stream_length_samples
&& (!settings.loop_forever || !vgmstream->loop_flag))
samples_to_do = stream_length_samples - decode_pos_samples;
else
samples_to_do = max_buffer_samples;
/* seek setup (max samples to skip if still seeking, mark done) */
if (seek_needed_samples != -1) {
/* reset if we need to seek backwards */
if (seek_needed_samples < decode_pos_samples) {
reset_vgmstream(vgmstream);
apply_config(vgmstream, &config); /* config is undone by reset */
decode_pos_samples = 0;
decode_pos_ms = 0;
}
/* adjust seeking past file, can happen using the right (->) key
* (should be done here and not in SetOutputTime due to threads/race conditions) */
if (seek_needed_samples > max_samples) {
seek_needed_samples = max_samples;
}
/* adjust max samples to seek */
if (decode_pos_samples < seek_needed_samples) {
samples_to_do = seek_needed_samples - decode_pos_samples;
if (samples_to_do > max_buffer_samples)
samples_to_do = max_buffer_samples;
}
else {
seek_needed_samples = -1;
}
/* flush Winamp buffers */
input_module.outMod->Flush((int)decode_pos_ms);
}
output_bytes = (samples_to_do * output_channels * sizeof(short));
if (input_module.dsp_isactive())
output_bytes = output_bytes * 2; /* Winamp's DSP may need double samples */
if (samples_to_do == 0) { /* track finished */
input_module.outMod->CanWrite(); /* ? */
if (!input_module.outMod->IsPlaying()) {
PostMessage(input_module.hMainWindow, WM_WA_MPEG_EOF, 0,0); /* end */
return 0;
}
Sleep(10);
}
else if (seek_needed_samples != -1) { /* seek */
render_vgmstream(sample_buffer,samples_to_do,vgmstream);
/* discard decoded samples and keep seeking */
decode_pos_samples += samples_to_do;
decode_pos_ms = decode_pos_samples * 1000LL / vgmstream->sample_rate;
}
else if (input_module.outMod->CanWrite() >= output_bytes) { /* decode */
render_vgmstream(sample_buffer,samples_to_do,vgmstream);
/* fade near the end */
if (vgmstream->loop_flag && fade_samples > 0 && !settings.loop_forever) {
int samples_into_fade = decode_pos_samples - (stream_length_samples - fade_samples);
if (samples_into_fade + samples_to_do > 0) {
int j,k;
for (j=0; j < samples_to_do; j++, samples_into_fade++) {
if (samples_into_fade > 0) {
double fadedness = (double)(fade_samples-samples_into_fade)/fade_samples;
for (k=0; k < vgmstream->channels; k++) {
sample_buffer[j*vgmstream->channels+k] =
(short)(sample_buffer[j*vgmstream->channels+k]*fadedness);
}
}
}
}
}
/* downmix enabled (useful when the stream's channels are too much for Winamp's output) */
if (settings.downmix_channels > 0 && settings.downmix_channels < vgmstream->channels) {
short temp_buffer[(576*2) * 2];
int s, ch;
for (s = 0; s < samples_to_do; s++) {
/* copy channels up to max */
for (ch = 0; ch < settings.downmix_channels; ch++) {
temp_buffer[s*settings.downmix_channels + ch] = sample_buffer[s*vgmstream->channels + ch];
}
/* then mix the rest */
for (ch = settings.downmix_channels; ch < vgmstream->channels; ch++) {
int downmix_ch = ch % settings.downmix_channels;
int new_sample = ((int)temp_buffer[s*settings.downmix_channels + downmix_ch] + (int)sample_buffer[s*vgmstream->channels + ch]);
new_sample = (int)(new_sample * 0.7); /* limit clipping without removing too much loudness... hopefully */
if (new_sample > 32767) new_sample = 32767;
else if (new_sample < -32768) new_sample = -32768;
temp_buffer[s*settings.downmix_channels + downmix_ch] = (short)new_sample;
}
}
/* copy back to global buffer... in case of multithreading stuff? */
memcpy(sample_buffer,temp_buffer, samples_to_do*settings.downmix_channels*sizeof(short));
}
/* output samples */
input_module.SAAddPCMData((char*)sample_buffer,output_channels,16,decode_pos_ms);
input_module.VSAAddPCMData((char*)sample_buffer,output_channels,16,decode_pos_ms);
if (input_module.dsp_isactive()) { /* find out DSP's needs */
int dsp_output_samples = input_module.dsp_dosamples(sample_buffer,samples_to_do,16,output_channels,vgmstream->sample_rate);
output_bytes = dsp_output_samples * output_channels * sizeof(short);
}
input_module.outMod->Write((char*)sample_buffer, output_bytes);
decode_pos_samples += samples_to_do;
decode_pos_ms = decode_pos_samples*1000LL/vgmstream->sample_rate;
}
else { /* can't write right now */
Sleep(20);
}
}
return 0;
}
/* configuration dialog */
void winamp_Config(HWND hwndParent) {
/* defined in resource.rc */
DialogBox(input_module.hDllInstance, (const TCHAR *)IDD_CONFIG, hwndParent, configDlgProc);
}
/* *********************************** */
/* main plugin def */
In_Module input_module = {
IN_VER,
PLUGIN_DESCRIPTION,
0, /* hMainWindow (filled in by Winamp) */
0, /* hDllInstance (filled in by Winamp) */
working_extension_list,
1, /* is_seekable flag */
1, /* UsesOutputPlug flag */
winamp_Config,
winamp_About,
winamp_Init,
winamp_Quit,
winamp_GetFileInfo,
winamp_InfoBox,
winamp_IsOurFile,
winamp_Play,
winamp_Pause,
winamp_UnPause,
winamp_IsPaused,
winamp_Stop,
winamp_GetLength,
winamp_GetOutputTime,
winamp_SetOutputTime,
winamp_SetVolume,
winamp_SetPan,
0,0,0,0,0,0,0,0,0, /* vis stuff */
0,0, /* dsp stuff */
winamp_EQSet,
NULL, /* SetInfo */
0 /* outMod */
};
__declspec( dllexport ) In_Module * winampGetInModule2() {
return &input_module;
}
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