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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 "../src/plugins.h"
#include "sdk/in2.h"
#include "sdk/wa_ipc.h"
#include "sdk/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__
/* ************************************* */
#define EXT_BUFFER_SIZE 200
/* plugin module (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)
/* fixed list to simplify but could also malloc/free on init/close */
char working_extension_list[EXTENSION_LIST_SIZE] = {0};
typedef enum {
REPLAYGAIN_NONE,
REPLAYGAIN_ALBUM,
REPLAYGAIN_TRACK
} replay_gain_type_t;
/* loaded settings */
typedef struct {
int thread_priority;
double fade_time;
double fade_delay;
double loop_count;
int ignore_loop;
int loop_forever;
int disable_subsongs;
int downmix_channels;
int tagfile_disable;
int force_title;
int exts_unknown_on;
int exts_common_on;
replay_gain_type_t gain_type;
replay_gain_type_t clip_type;
int is_xmplay;
} winamp_settings_t;
/* current play state */
typedef struct {
int paused;
int decode_abort;
int seek_sample;
int decode_pos_ms;
int decode_pos_samples;
int length_samples;
int output_channels;
double volume;
} winamp_state_t;
/* Winamp needs at least 576 16-bit samples, stereo, doubled in case DSP effects are active */
#define SAMPLE_BUFFER_SIZE 576
const char* tagfile_name = "!tags.m3u";
/* plugin state */
HANDLE decode_thread_handle = INVALID_HANDLE_VALUE;
VGMSTREAM* vgmstream = NULL;
in_char lastfn[PATH_LIMIT] = {0}; /* name of the currently playing file */
winamp_settings_t defaults;
winamp_settings_t settings;
winamp_state_t state;
short sample_buffer[SAMPLE_BUFFER_SIZE*2 * VGMSTREAM_MAX_CHANNELS]; //todo maybe should be dynamic
/* ************************************* */
/* IN_UNICODE */
/* ************************************* */
//todo safe ops
//todo there must be a better way to handle unicode...
#ifdef UNICODE_INPUT_PLUGIN
#define wa_strcmp wcscmp
#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_strcmp strcmp
#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 on) */
static void wa_ichar_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 length */
//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 on) */
static void wa_char_to_ichar(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
}
/* copies from utf16 to utf16 (if unicode is active) */
static void wa_wchar_to_ichar(in_char *wdst, size_t wdstsize, const wchar_t *src) {
#ifdef UNICODE_INPUT_PLUGIN
wcscpy(wdst,src);
#else
strcpy(wdst,src); //todo ???
#endif
}
/* copies from utf16 to utf16 */
static void wa_char_to_wchar(wchar_t *wdst, size_t wdstsize, const char *src) {
#ifdef UNICODE_INPUT_PLUGIN
MultiByteToWideChar(CP_UTF8,0, src,-1, wdst,wdstsize);
#else
strcpy(wdst,src); //todo ???
#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 (partially handled by stdiosf) */
} WINAMP_STREAMFILE;
static STREAMFILE *open_winamp_streamfile_by_file(FILE *infile, const char * path);
static STREAMFILE *open_winamp_streamfile_by_ipath(const in_char *wpath);
static size_t wasf_read(WINAMP_STREAMFILE* sf, uint8_t* dest, off_t offset, size_t length) {
return sf->stdiosf->read(sf->stdiosf, dest, offset, length);
}
static off_t wasf_get_size(WINAMP_STREAMFILE* sf) {
return sf->stdiosf->get_size(sf->stdiosf);
}
static off_t wasf_get_offset(WINAMP_STREAMFILE* sf) {
return sf->stdiosf->get_offset(sf->stdiosf);
}
static void wasf_get_name(WINAMP_STREAMFILE* sf, char* buffer, size_t length) {
sf->stdiosf->get_name(sf->stdiosf, buffer, length);
}
static STREAMFILE *wasf_open(WINAMP_STREAMFILE* sf, const char* const filename, size_t buffersize) {
in_char wpath[PATH_LIMIT];
char name[PATH_LIMIT];
if (!filename)
return NULL;
#if !defined (__ANDROID__) && !defined (_MSC_VER)
/* When enabling this for MSVC it'll seemingly work, but there are issues possibly related to underlying
* IO buffers when using dup(), noticeable by re-opening the same streamfile with small buffer sizes
* (reads garbage). This reportedly causes issues in Android too */
sf->stdiosf->get_name(sf->stdiosf, name, PATH_LIMIT);
/* if same name, duplicate the file descriptor we already have open */ //unsure if all this is needed
if (sf->infile_ref && !strcmp(name,filename)) {
int new_fd;
FILE *new_file;
if (((new_fd = dup(fileno(sf->infile_ref))) >= 0) && (new_file = wa_fdopen(new_fd))) {
STREAMFILE *new_sf = open_winamp_streamfile_by_file(new_file, filename);
if (new_sf)
return new_sf;
fclose(new_file);
}
if (new_fd >= 0 && !new_file)
close(new_fd); /* fdopen may fail when opening too many files */
/* on failure just close and try the default path (which will probably fail a second time) */
}
#endif
/* STREAMFILEs carry char/UTF8 names, convert to wchar for Winamp */
wa_char_to_ichar(wpath, PATH_LIMIT, filename);
return open_winamp_streamfile_by_ipath(wpath);
}
static void wasf_close(WINAMP_STREAMFILE* sf) {
/* closes infile_ref + frees in the internal STDIOSTREAMFILE (fclose for wchar is not needed) */
sf->stdiosf->close(sf->stdiosf);
free(sf); /* and the current struct */
}
static STREAMFILE *open_winamp_streamfile_by_file(FILE* file, 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(file, 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 = file;
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_ipath(const in_char* wpath) {
FILE* infile = NULL;
STREAMFILE* sf;
char path[PATH_LIMIT];
/* convert to UTF-8 if needed for internal use */
wa_ichar_to_char(path,PATH_LIMIT, wpath);
/* open a FILE from a Winamp (possibly UTF-16) path */
infile = wa_fopen(wpath);
if (!infile) {
/* allow non-existing files in some cases */
if (!vgmstream_is_virtual_filename(path))
return NULL;
}
sf = open_winamp_streamfile_by_file(infile,path);
if (!sf) {
if (infile) fclose(infile);
}
return sf;
}
/* 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* sf = open_winamp_streamfile_by_ipath(fn); //open_stdio_streamfile(fn);
if (sf) {
sf->stream_index = stream_index;
vgmstream = init_vgmstream_from_STREAMFILE(sf);
close_streamfile(sf);
}
return vgmstream;
}
/* ************************************* */
/* IN_CONFIG */
/* ************************************* */
//todo snprintf
/* 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 INI_FADE_TIME TEXT("fade_seconds")
#define INI_FADE_DELAY TEXT("fade_delay")
#define INI_LOOP_COUNT TEXT("loop_count")
#define INI_THREAD_PRIORITY TEXT("thread_priority")
#define INI_LOOP_FOREVER TEXT("loop_forever")
#define INI_IGNORE_LOOP TEXT("ignore_loop")
#define INI_DISABLE_SUBSONGS TEXT("disable_subsongs")
#define INI_DOWNMIX_CHANNELS TEXT("downmix_channels")
#define INI_TAGFILE_DISABLE TEXT("tagfile_disable")
#define INI_FORCE_TITLE TEXT("force_title")
#define INI_EXTS_UNKNOWN_ON TEXT("exts_unknown_on")
#define INI_EXTS_COMMON_ON TEXT("exts_common_on")
#define INI_GAIN_TYPE TEXT("gain_type")
#define INI_CLIP_TYPE TEXT("clip_type")
TCHAR *dlg_priority_strings[] = {
TEXT("Idle"),
TEXT("Lowest"),
TEXT("Below Normal"),
TEXT("Normal"),
TEXT("Above Normal"),
TEXT("Highest (not recommended)"),
TEXT("Time Critical (not recommended)")
};
TCHAR *dlg_replaygain_strings[] = {
TEXT("None"),
TEXT("Album"),
TEXT("Peak")
};
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 ini_get_filename(TCHAR *inifile) {
if (IsWindow(input_module.hMainWindow) && SendMessage(input_module.hMainWindow, WM_WA_IPC,0,IPC_GETVERSION) >= 0x5000) {
/* newer Winamp with per-user settings */
TCHAR *ini_dir = (TCHAR *)SendMessage(input_module.hMainWindow, WM_WA_IPC, 0, IPC_GETINIDIRECTORY);
cfg_strncpy(inifile, ini_dir, 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 {
/* older winamp with single settings */
TCHAR *lastSlash;
GetModuleFileName(NULL, inifile, PATH_LIMIT);
lastSlash = cfg_strrchr(inifile, TEXT('\\'));
*(lastSlash + 1) = 0;
/* XMPlay doesn't have a "plugins" subfolder */
if (settings.is_xmplay)
cfg_strncat(inifile, CONFIG_INI_NAME,PATH_LIMIT);
else
cfg_strncat(inifile, TEXT("Plugins\\") CONFIG_INI_NAME,PATH_LIMIT);
/* Maybe should query IPC_GETINIDIRECTORY and use that, not sure what ancient Winamps need.
* There must be some proper way to handle dirs since other Winamp plugins save config in
* XMPlay correctly (this feels like archaeology, try later) */
}
}
static void ini_get_d(const char *inifile, const char *entry, double defval, double *p_val) {
TCHAR buf[256];
TCHAR defbuf[256];
int consumed, res;
cfg_sprintf(defbuf, TEXT("%.2lf"), defval);
GetPrivateProfileString(CONFIG_APP_NAME, entry, defbuf, buf, 256, inifile);
res = cfg_sscanf(buf, TEXT("%lf%n"), p_val, &consumed);
if (res < 1 || consumed != cfg_strlen(buf) || *p_val < 0) {
*p_val = defval;
}
}
static void ini_get_i(const char *inifile, const char *entry, int defval, int *p_val, int min, int max) {
*p_val = GetPrivateProfileInt(CONFIG_APP_NAME, entry, defval, inifile);
if (*p_val < min || *p_val > max) {
*p_val = defval;
}
}
static void ini_get_b(const char *inifile, const char *entry, int defval, int *p_val) {
ini_get_i(inifile, entry, defval, p_val, 0, 1);
}
static void ini_set_d(const char *inifile, const char *entry, double val) {
TCHAR buf[256];
cfg_sprintf(buf, TEXT("%.2lf"), val);
WritePrivateProfileString(CONFIG_APP_NAME, entry, buf, inifile);
}
static void ini_set_i(const char *inifile, const char *entry, int val) {
TCHAR buf[32];
cfg_sprintf(buf, TEXT("%d"), val);
WritePrivateProfileString(CONFIG_APP_NAME, entry, buf, inifile);
}
static void ini_set_b(const char *inifile, const char *entry, int val) {
ini_set_i(inifile, entry, val);
}
static void load_defaults(winamp_settings_t* defaults) {
defaults->thread_priority = 3;
defaults->fade_time = 10.0;
defaults->fade_delay = 0.0;
defaults->loop_count = 2.0;
defaults->loop_forever = 0;
defaults->ignore_loop = 0;
defaults->disable_subsongs = 0;
defaults->downmix_channels = 0;
defaults->tagfile_disable = 0;
defaults->force_title = 0;
defaults->exts_unknown_on = 0;
defaults->exts_common_on = 0;
defaults->gain_type = 1;
defaults->clip_type = 2;
}
static void load_config(winamp_settings_t* settings, winamp_settings_t* defaults) {
TCHAR inifile[PATH_LIMIT];
ini_get_filename(inifile);
ini_get_i(inifile, INI_THREAD_PRIORITY, defaults->thread_priority, &settings->thread_priority, 0, 6);
ini_get_d(inifile, INI_FADE_TIME, defaults->fade_time, &settings->fade_time);
ini_get_d(inifile, INI_FADE_DELAY, defaults->fade_delay, &settings->fade_delay);
ini_get_d(inifile, INI_LOOP_COUNT, defaults->loop_count, &settings->loop_count);
ini_get_b(inifile, INI_LOOP_FOREVER, defaults->loop_forever, &settings->loop_forever);
ini_get_b(inifile, INI_IGNORE_LOOP, defaults->ignore_loop, &settings->ignore_loop);
ini_get_b(inifile, INI_DISABLE_SUBSONGS, defaults->disable_subsongs, &settings->disable_subsongs);
ini_get_i(inifile, INI_DOWNMIX_CHANNELS, defaults->downmix_channels, &settings->downmix_channels, 0, 64);
ini_get_b(inifile, INI_TAGFILE_DISABLE, defaults->tagfile_disable, &settings->tagfile_disable);
ini_get_b(inifile, INI_FORCE_TITLE, defaults->force_title, &settings->force_title);
ini_get_b(inifile, INI_EXTS_UNKNOWN_ON, defaults->exts_unknown_on, &settings->exts_unknown_on);
ini_get_b(inifile, INI_EXTS_COMMON_ON, defaults->exts_common_on, &settings->exts_common_on);
ini_get_i(inifile, INI_GAIN_TYPE, defaults->gain_type, (int*)&settings->gain_type, 0, 3);
ini_get_i(inifile, INI_CLIP_TYPE, defaults->clip_type, (int*)&settings->clip_type, 0, 3);
if (settings->loop_forever && settings->ignore_loop)
settings->ignore_loop = 0;
}
static void save_config(winamp_settings_t* settings) {
TCHAR inifile[PATH_LIMIT];
ini_get_filename(inifile);
ini_set_i(inifile, INI_THREAD_PRIORITY, settings->thread_priority);
ini_set_d(inifile, INI_FADE_TIME, settings->fade_time);
ini_set_d(inifile, INI_FADE_DELAY, settings->fade_delay);
ini_set_d(inifile, INI_LOOP_COUNT, settings->loop_count);
ini_set_b(inifile, INI_LOOP_FOREVER, settings->loop_forever);
ini_set_b(inifile, INI_IGNORE_LOOP, settings->ignore_loop);
ini_set_b(inifile, INI_DISABLE_SUBSONGS, settings->disable_subsongs);
ini_set_i(inifile, INI_DOWNMIX_CHANNELS, settings->downmix_channels);
ini_set_b(inifile, INI_TAGFILE_DISABLE, settings->tagfile_disable);
ini_set_b(inifile, INI_FORCE_TITLE, settings->force_title);
ini_set_b(inifile, INI_EXTS_UNKNOWN_ON, settings->exts_unknown_on);
ini_set_b(inifile, INI_EXTS_COMMON_ON, settings->exts_common_on);
ini_set_i(inifile, INI_GAIN_TYPE, settings->gain_type);
ini_set_i(inifile, INI_CLIP_TYPE, settings->clip_type);
}
static void dlg_input_set_d(HWND hDlg, int idc, double val) {
TCHAR buf[256];
cfg_sprintf(buf, TEXT("%.2lf"), val);
SetDlgItemText(hDlg, idc, buf);
}
static void dlg_input_set_i(HWND hDlg, int idc, int val) {
TCHAR buf[32];
cfg_sprintf(buf, TEXT("%d"), val);
SetDlgItemText(hDlg, idc, buf);
}
static void dlg_check_set(HWND hDlg, int idc, int val) {
CheckDlgButton(hDlg, idc, val ? BST_CHECKED : BST_UNCHECKED);
}
static void cfg_combo_set(HWND hDlg, int idc, int val, TCHAR **list, int list_size) {
int i;
HANDLE hCombo = GetDlgItem(hDlg, idc);
for (i = 0; i < list_size; i++) {
SendMessage(hCombo, CB_ADDSTRING, 0, (LPARAM)list[i]);
}
SendMessage(hCombo, CB_SETCURSEL, val, 0);
}
static void cfg_slider_set(HWND hDlg, int idc1, int idc2, int val, int min, int max, TCHAR **list) {
HANDLE hSlider = GetDlgItem(hDlg, idc1);
SendMessage(hSlider, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(min, max));
SendMessage(hSlider, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)val+1);
SetDlgItemText(hDlg, idc2, list[val]);
}
static void dlg_input_get_d(HWND hDlg, int idc, double *p_val, LPCTSTR error, int *p_err) {
TCHAR buf[256];
int res, consumed;
double defval = *p_val;
GetDlgItemText(hDlg, idc, buf, 256);
res = cfg_sscanf(buf, TEXT("%lf%n"), p_val, &consumed);
if (res < 1 || consumed != cfg_strlen(buf) || *p_val < 0) {
MessageBox(hDlg, error, NULL, MB_OK|MB_ICONERROR);
*p_val = defval;
*p_err = 1;
}
}
static void dlg_input_get_i(HWND hDlg, int idc, int *p_val, LPCTSTR error, int *p_err) {
TCHAR buf[32];
int res, consumed;
int defval = *p_val;
GetDlgItemText(hDlg, idc, buf, 32);
res = cfg_sscanf(buf, TEXT("%d%n"), p_val, &consumed);
if (res < 1 || consumed != cfg_strlen(buf) || *p_val < 0) {
MessageBox(hDlg, error, NULL, MB_OK|MB_ICONERROR);
*p_val = defval;
*p_err = 1;
}
}
static void dlg_check_get(HWND hDlg, int idc, int *p_val) {
*p_val = (IsDlgButtonChecked(hDlg, idc) == BST_CHECKED);
}
static void dlg_combo_get(HWND hDlg, int idc, int *p_val) {
*p_val = SendMessage(GetDlgItem(hDlg, idc), CB_GETCURSEL, 0, 0);
}
static int dlg_load_form(HWND hDlg, winamp_settings_t* settings) {
int err = 0;
dlg_input_get_d(hDlg, IDC_FADE_TIME, &settings->fade_time, TEXT("Fade Length must be a positive number"), &err);
dlg_input_get_d(hDlg, IDC_FADE_DELAY, &settings->fade_delay, TEXT("Fade Delay must be a positive number"), &err);
dlg_input_get_d(hDlg, IDC_LOOP_COUNT, &settings->loop_count, TEXT("Loop Count must be a positive number"), &err);
dlg_check_get(hDlg, IDC_LOOP_FOREVER, &settings->loop_forever);
dlg_check_get(hDlg, IDC_IGNORE_LOOP, &settings->ignore_loop);
dlg_check_get(hDlg, IDC_DISABLE_SUBSONGS, &settings->disable_subsongs);
dlg_input_get_i(hDlg, IDC_DOWNMIX_CHANNELS, &settings->downmix_channels, TEXT("Downmix must be a positive integer number"), &err);
dlg_check_get(hDlg, IDC_TAGFILE_DISABLE, &settings->tagfile_disable);
dlg_check_get(hDlg, IDC_FORCE_TITLE, &settings->force_title);
dlg_check_get(hDlg, IDC_EXTS_UNKNOWN_ON, &settings->exts_unknown_on);
dlg_check_get(hDlg, IDC_EXTS_COMMON_ON, &settings->exts_common_on);
dlg_combo_get(hDlg, IDC_GAIN_TYPE, (int*)&settings->gain_type);
dlg_combo_get(hDlg, IDC_CLIP_TYPE, (int*)&settings->clip_type);
return err ? 0 : 1;
}
static void dlg_save_form(HWND hDlg, winamp_settings_t* settings, int reset) {
cfg_slider_set(hDlg, IDC_THREAD_PRIORITY_SLIDER, IDC_THREAD_PRIORITY_TEXT, settings->thread_priority, 1, 7, dlg_priority_strings);
dlg_input_set_d(hDlg, IDC_FADE_TIME, settings->fade_time);
dlg_input_set_d(hDlg, IDC_FADE_DELAY, settings->fade_delay);
dlg_input_set_d(hDlg, IDC_LOOP_COUNT, settings->loop_count);
dlg_check_set(hDlg, IDC_LOOP_FOREVER, settings->loop_forever);
dlg_check_set(hDlg, IDC_IGNORE_LOOP, settings->ignore_loop);
dlg_check_set(hDlg, IDC_LOOP_NORMALLY, (!settings->loop_forever && !settings->ignore_loop));
dlg_check_set(hDlg, IDC_DISABLE_SUBSONGS, settings->disable_subsongs);
dlg_input_set_i(hDlg, IDC_DOWNMIX_CHANNELS, settings->downmix_channels);
dlg_check_set(hDlg, IDC_TAGFILE_DISABLE, settings->tagfile_disable);
dlg_check_set(hDlg, IDC_FORCE_TITLE, settings->force_title);
dlg_check_set(hDlg, IDC_EXTS_UNKNOWN_ON, settings->exts_unknown_on);
dlg_check_set(hDlg, IDC_EXTS_COMMON_ON, settings->exts_common_on);
cfg_combo_set(hDlg, IDC_GAIN_TYPE, settings->gain_type, dlg_replaygain_strings, (reset ? 0 : 3));
cfg_combo_set(hDlg, IDC_CLIP_TYPE, settings->clip_type, dlg_replaygain_strings, (reset ? 0 : 3));
}
/* config dialog handler */
INT_PTR CALLBACK configDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
static int priority;
switch (uMsg) {
case WM_CLOSE: /* hide dialog */
EndDialog(hDlg,TRUE);
return TRUE;
case WM_INITDIALOG: /* open dialog: load form with current settings */
priority = settings.thread_priority;
dlg_save_form(hDlg, &settings, 0);
break;
case WM_COMMAND: /* button presses */
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case IDOK: { /* read and verify new values, save and close */
int ok;
settings.thread_priority = priority;
ok = dlg_load_form(hDlg, &settings);
if (!ok) break; /* this leaves values changed though */
save_config(&settings);
EndDialog(hDlg,TRUE);
break;
}
case IDCANCEL: /* cancel dialog */
EndDialog(hDlg,TRUE);
break;
case IDC_DEFAULT_BUTTON: { /* reset values */
priority = defaults.thread_priority;
dlg_save_form(hDlg, &defaults, 1);
/* we don't save settings here as user can still cancel the dialog */
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) {
priority = HIWORD(wParam)-1;
}
else {
priority = SendMessage(GetDlgItem(hDlg,IDC_THREAD_PRIORITY_SLIDER),TBM_GETPOS,0,0)-1;
}
SetDlgItemText(hDlg, IDC_THREAD_PRIORITY_TEXT, dlg_priority_strings[priority]);
}
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, but manually fails somehow */
//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) {
const in_char *end = wa_strchr(fn,'|');
if (tag==NULL) {
wa_strcpy(dst,fn);
if (end)
dst[end - fn] = '\0';
return 1;
}
dst[0] = '\0';
return 0;
}
static int parse_fn_int(const in_char * fn, const in_char * tag, int * num) {
const in_char * start = wa_strchr(fn,'|');
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(char *dst, int dst_len, const char *ext) {
char buf[EXT_BUFFER_SIZE];
char ext_upp[EXT_BUFFER_SIZE];
int ext_len, written;
int i,j;
if (dst_len <= 1)
return;
ext_len = strlen(ext);
/* find end of dst (double \0), saved in i */
for (i = 0; i < dst_len - 2 && (dst[i] || dst[i+1]); i++)
;
/* check if end reached or not enough room to add */
if (i == dst_len - 2 || i + EXT_BUFFER_SIZE+2 > dst_len - 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 */
/* ex: "vgmstream\0vgmstream Audio File (*.VGMSTREAM)\0" */
written = snprintf(buf,sizeof(buf)-1, "%s%c%s Audio File (*.%s)%c", ext,'\0',ext_upp,ext_upp,'\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(char *winamp_list, int winamp_list_size) {
const char ** ext_list;
size_t ext_list_len;
int i;
winamp_list[0]='\0';
winamp_list[1]='\0';
ext_list = vgmstream_get_formats(&ext_list_len);
for (i=0; i < ext_list_len; i++) {
add_extension(winamp_list, winamp_list_size, 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);
/* infostream gets added at first with index 0, then once played it re-adds proper numbers */
if (infostream) {
const char* info_name = infostream->stream_name;
int info_streams = infostream->num_streams;
int info_subsong = infostream->stream_index;
int is_first = infostream->stream_index == 0;
/* show number if file has more than 1 subsong */
if (info_streams > 1) {
if (is_first)
wa_snprintf(buffer,PATH_LIMIT, wa_L("#1~%i"), info_streams);
else
wa_snprintf(buffer,PATH_LIMIT, wa_L("#%i"), info_subsong);
wa_strcat(dst,buffer);
}
/* show name if file has subsongs (implicitly shows also for TXTP) */
if (info_name[0] != '\0' && ((info_streams > 0 && !is_first) || info_streams == 1 || settings.force_title)) {
in_char stream_name[PATH_LIMIT];
wa_char_to_ichar(stream_name, PATH_LIMIT, info_name);
wa_snprintf(buffer,PATH_LIMIT, wa_L(" (%s)"), stream_name);
wa_strcat(dst,buffer);
}
}
}
static void apply_config(VGMSTREAM* vgmstream, winamp_settings_t* settings) {
vgmstream_cfg_t vcfg = {0};
vcfg.allow_play_forever = 1;
vcfg.play_forever = settings->loop_forever;
vcfg.loop_count = settings->loop_count;
vcfg.fade_time = settings->fade_time;
vcfg.fade_delay = settings->fade_delay;
vcfg.ignore_loop = settings->ignore_loop;
vgmstream_apply_config(vgmstream, &vcfg);
}
static int winampGetExtendedFileInfo_common(in_char* filename, char *metadata, char* ret, int retlen);
static double get_album_gain_volume(const in_char *fn) {
char replaygain[64];
double gain = 0.0;
int had_replaygain = 0;
if (settings.gain_type == REPLAYGAIN_NONE)
return 1.0;
replaygain[0] = '\0'; /* reset each time to make sure we read actual tags */
if (settings.gain_type == REPLAYGAIN_ALBUM
&& winampGetExtendedFileInfo_common((in_char *)fn, "replaygain_album_gain", replaygain, sizeof(replaygain))
&& replaygain[0] != '\0') {
gain = atof(replaygain);
had_replaygain = 1;
}
replaygain[0] = '\0';
if (!had_replaygain
&& winampGetExtendedFileInfo_common((in_char *)fn, "replaygain_track_gain", replaygain, sizeof(replaygain))
&& replaygain[0] != '\0') {
gain = atof(replaygain);
had_replaygain = 1;
}
if (had_replaygain) {
double vol = pow(10.0, gain / 20.0);
double peak = 1.0;
replaygain[0] = '\0';
if (settings.clip_type == REPLAYGAIN_ALBUM
&& winampGetExtendedFileInfo_common((in_char *)fn, "replaygain_album_peak", replaygain, sizeof(replaygain))
&& replaygain[0] != '\0') {
peak = atof(replaygain);
}
else if (settings.clip_type != REPLAYGAIN_NONE
&& winampGetExtendedFileInfo_common((in_char *)fn, "replaygain_track_peak", replaygain, sizeof(replaygain))
&& replaygain[0] != '\0') {
peak = atof(replaygain);
}
return peak != 1.0 ? min(vol, 1.0 / peak) : vol;
}
return 1.0;
}
/* ***************************************** */
/* 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() {
settings.is_xmplay = is_xmplay();
/* get ini config */
load_defaults(&defaults);
load_config(&settings, &defaults);
/* XMPlay with in_vgmstream doesn't support most IPC_x messages so no playlist manipulation */
if (settings.is_xmplay) {
settings.disable_subsongs = 1;
}
/* dynamically make a list of supported extensions */
build_extension_list(working_extension_list, EXTENSION_LIST_SIZE);
}
/* called at program quit */
void winamp_Quit() {
}
/* called before extension checks, to allow detection of mms://, etc */
int winamp_IsOurFile(const in_char *fn) {
vgmstream_ctx_valid_cfg cfg = {0};
char filename_utf8[PATH_LIMIT];
wa_ichar_to_char(filename_utf8, PATH_LIMIT, fn);
cfg.skip_standard = 1; /* validated by Winamp */
cfg.accept_unknown = settings.exts_unknown_on;
cfg.accept_common = settings.exts_common_on;
/* Winamp seem to have bizarre handling of MP3 without standard names (ex song.mp3a),
* in that it'll try to open normally, rejected if unknown_exts_on is not set, and
* finally retry with "hi.mp3", accepted if exts_common_on is set. */
/* returning 0 here means it only accepts the extensions in working_extension_list */
return vgmstream_ctx_is_valid(filename_utf8, &cfg);
}
/* 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;
/* shouldn't happen */
if (vgmstream)
return 1;
/* 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 */
apply_config(vgmstream, &settings);
/* enable after all config but before outbuf (though ATM outbuf is not dynamic so no need to read input_channels) */
vgmstream_mixing_autodownmix(vgmstream, settings.downmix_channels);
vgmstream_mixing_enable(vgmstream, SAMPLE_BUFFER_SIZE, NULL /*&input_channels*/, &state.output_channels);
/* reset internals */
state.paused = 0;
state.decode_abort = 0;
state.seek_sample = -1;
state.decode_pos_ms = 0;
state.decode_pos_samples = 0;
state.length_samples = vgmstream_get_samples(vgmstream);
state.volume = get_album_gain_volume(fn);
/* save original name */
wa_strncpy(lastfn,fn,PATH_LIMIT);
/* open the output plugin */
max_latency = input_module.outMod->Open(vgmstream->sample_rate, state.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, state.output_channels, 1);
/* setup visualization */
input_module.SAVSAInit(max_latency,vgmstream->sample_rate);
input_module.VSASetInfo(vgmstream->sample_rate, state.output_channels);
/* 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]);
return 0; /* success */
}
/* pause stream */
void winamp_Pause() {
state.paused = 1;
input_module.outMod->Pause(1);
}
/* unpause stream */
void winamp_UnPause() {
state.paused = 0;
input_module.outMod->Pause(0);
}
/* return 1 if paused, 0 if not */
int winamp_IsPaused() {
return state.paused;
}
/* stop (unload) stream */
void winamp_Stop() {
if (decode_thread_handle != INVALID_HANDLE_VALUE) {
state.decode_abort = 1;
/* arbitrary wait milliseconds (error can trigger if the system is *really* busy) */
if (WaitForSingleObject(decode_thread_handle, 5000) == WAIT_TIMEOUT) {
MessageBox(input_module.hMainWindow, TEXT("Error stopping decode thread\n"), ("Error"),MB_OK|MB_ICONERROR);
TerminateThread(decode_thread_handle, 0);
}
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() {
if (!vgmstream)
return 0;
return state.length_samples * 1000LL / vgmstream->sample_rate;
}
/* current output time in ms */
int winamp_GetOutputTime() {
int32_t pos_ms = state.decode_pos_ms;
/* for some reason this gets triggered hundred of times by non-classic skins when using subsongs */
if (!vgmstream)
return 0;
/* pretend we have reached destination if called while seeking is on */
if (state.seek_sample >= 0)
pos_ms = state.seek_sample * 1000LL / vgmstream->sample_rate;
return 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;
state.seek_sample = (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}, tmp[1024] = {0};
size_t description_size = 1024;
double tmpVolume = 1.0;
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;
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("$s"), &stream_index);
infostream = init_vgmstream_winamp(filename, stream_index);
if (!infostream) return 0;
apply_config(infostream, &settings);
vgmstream_mixing_autodownmix(infostream, settings.downmix_channels);
vgmstream_mixing_enable(infostream, 0, NULL, NULL);
describe_vgmstream(infostream,description,description_size);
close_vgmstream(infostream);
infostream = NULL;
tmpVolume = get_album_gain_volume(fn);
}
{
TCHAR buf[1024] = {0};
size_t buf_size = 1024;
snprintf(tmp, sizeof(tmp), "\nvolume: %.6f", tmpVolume);
concatn(description_size, description, tmp);
cfg_char_to_wchar(buf, buf_size, description);
MessageBox(hwnd,buf,TEXT("Stream info"),MB_OK);
}
return 0;
}
/* retrieve title (playlist name) and time on the current or other file in the playlist */
void winamp_GetFileInfo(const in_char *fn, in_char *title, int *length_in_ms) {
if (!fn || !*fn) {
/* no filename = current playing file */
if (!vgmstream)
return;
if (title) {
get_title(title,GETFILEINFO_TITLE_LENGTH, lastfn, vgmstream);
}
if (length_in_ms) {
*length_in_ms = winamp_GetLength();
}
}
else {
/* some other file in playlist given by filename */
VGMSTREAM* infostream = NULL;
in_char filename[PATH_LIMIT];
int stream_index = 0;
/* check for info encoded in the filename */
parse_fn_string(fn, NULL, filename,PATH_LIMIT);
parse_fn_int(fn, wa_L("$s"), &stream_index);
infostream = init_vgmstream_winamp(filename, stream_index);
if (!infostream) return;
apply_config(infostream, &settings);
vgmstream_mixing_autodownmix(infostream, settings.downmix_channels);
vgmstream_mixing_enable(infostream, 0, NULL, NULL);
if (title) {
get_title(title,GETFILEINFO_TITLE_LENGTH, fn, infostream);
}
if (length_in_ms) {
*length_in_ms = -1000;
if (infostream) {
const int num_samples = vgmstream_get_samples(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) {
}
/*****************************************************************************/
/* MAIN DECODE (some used in extended part too, so avoid globals) */
static void do_seek(winamp_state_t* state, VGMSTREAM* vgmstream) {
int play_forever = vgmstream_get_play_forever(vgmstream);
int seek_sample = state->seek_sample; /* local due to threads/race conditions changing state->seek_sample elsewhere */
/* ignore seeking past file, can happen using the right (->) key, ok if playing forever */
if (state->seek_sample > state->length_samples && !play_forever) {
state->seek_sample = -1;
//state->seek_sample = state->length_samples;
//seek_sample = state->length_samples;
state->decode_pos_samples = state->length_samples;
state->decode_pos_ms = state->decode_pos_samples * 1000LL / vgmstream->sample_rate;
return;
}
/* could divide in N seeks (from pos) for slower files so cursor moves, but doesn't seem too necessary */
seek_vgmstream(vgmstream, seek_sample);
state->decode_pos_samples = seek_sample;
state->decode_pos_ms = state->decode_pos_samples * 1000LL / vgmstream->sample_rate;
/* different sample: other seek may have been requested during seek_vgmstream */
if (state->seek_sample == seek_sample)
state->seek_sample = -1;
}
static void apply_gain(winamp_state_t* state, int samples_to_do) {
/* apply ReplayGain, if needed */
if (state->volume != 1.0) {
int j, k;
int channels = state->output_channels;
for (j = 0; j < samples_to_do; j++) {
for (k = 0; k < channels; k++) {
sample_buffer[j*channels + k] = (short)(sample_buffer[j*channels + k] * state->volume);
}
}
}
}
/* the decode thread */
DWORD WINAPI __stdcall decode(void *arg) {
const int max_buffer_samples = SAMPLE_BUFFER_SIZE;
int play_forever = vgmstream_get_play_forever(vgmstream);
while (!state.decode_abort) {
int samples_to_do;
int output_bytes;
if (state.decode_pos_samples + max_buffer_samples > state.length_samples && !play_forever) {
samples_to_do = state.length_samples - state.decode_pos_samples;
if (samples_to_do < 0) /* just in case */
samples_to_do = 0;
}
else {
samples_to_do = max_buffer_samples;
}
output_bytes = (samples_to_do * state.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 && state.seek_sample < 0) { /* track finished and not seeking */
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 (state.seek_sample >= 0) { /* seek */
do_seek(&state, vgmstream);
/* flush Winamp buffers *after* fully seeking (allows to play buffered samples while we seek, feels a bit snappier) */
if (state.seek_sample < 0)
input_module.outMod->Flush(state.decode_pos_ms);
}
else if (input_module.outMod->CanWrite() >= output_bytes) { /* decode */
render_vgmstream(sample_buffer, samples_to_do, vgmstream);
apply_gain(&state, samples_to_do); /* apply ReplayGain, if needed */
/* output samples */
input_module.SAAddPCMData((char*)sample_buffer, state.output_channels, 16, state.decode_pos_ms);
input_module.VSAAddPCMData((char*)sample_buffer, state.output_channels, 16, state.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, state.output_channels, vgmstream->sample_rate);
output_bytes = dsp_output_samples * state.output_channels * sizeof(short);
}
input_module.outMod->Write((char*)sample_buffer, output_bytes);
state.decode_pos_samples += samples_to_do;
state.decode_pos_ms = state.decode_pos_samples * 1000LL / vgmstream->sample_rate;
}
else { /* can't write right now */
Sleep(20);
}
}
return 0;
}
/* configuration dialog */
void winamp_Config(HWND hwndParent) {
/* open dialog 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 */
9, /* 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;
}
/* ************************************* */
/* IN_TAGS */
/* ************************************* */
/* could malloc and stuff but totals aren't much bigger than PATH_LIMITs anyway */
#define WINAMP_TAGS_ENTRY_MAX 30
#define WINAMP_TAGS_ENTRY_SIZE 2048
typedef struct {
int loaded;
in_char filename[PATH_LIMIT]; /* tags are loaded for this file */
int tag_count;
char keys[WINAMP_TAGS_ENTRY_MAX][WINAMP_TAGS_ENTRY_SIZE+1];
char vals[WINAMP_TAGS_ENTRY_MAX][WINAMP_TAGS_ENTRY_SIZE+1];
} winamp_tags;
winamp_tags last_tags;
/* Loads all tags for a filename in a temp struct to improve performance, as
* Winamp requests one tag at a time and may reask for the same tag several times */
static void load_tagfile_info(in_char* filename) {
STREAMFILE *tagFile = NULL;
in_char filename_clean[PATH_LIMIT];
char filename_utf8[PATH_LIMIT];
char tagfile_path_utf8[PATH_LIMIT];
in_char tagfile_path_i[PATH_LIMIT];
char *path;
if (settings.tagfile_disable) { /* reset values if setting changes during play */
last_tags.loaded = 0;
last_tags.tag_count = 0;
return;
}
/* clean extra part for subsong tags */
parse_fn_string(filename, NULL, filename_clean,PATH_LIMIT);
if (wa_strcmp(last_tags.filename, filename_clean) == 0) {
return; /* not changed, tags still apply */
}
last_tags.loaded = 0;
/* tags are now for this filename, find tagfile path */
wa_ichar_to_char(filename_utf8, PATH_LIMIT, filename_clean);
strcpy(tagfile_path_utf8,filename_utf8);
path = strrchr(tagfile_path_utf8,'\\');
if (path != NULL) {
path[1] = '\0'; /* includes "\", remove after that from tagfile_path */
strcat(tagfile_path_utf8,tagfile_name);
}
else { /* ??? */
strcpy(tagfile_path_utf8,tagfile_name);
}
wa_char_to_ichar(tagfile_path_i, PATH_LIMIT, tagfile_path_utf8);
wa_strcpy(last_tags.filename, filename_clean);
last_tags.tag_count = 0;
/* load all tags from tagfile */
tagFile = open_winamp_streamfile_by_ipath(tagfile_path_i);
if (tagFile != NULL) {
VGMSTREAM_TAGS* tags;
const char *tag_key, *tag_val;
int i;
tags = vgmstream_tags_init(&tag_key, &tag_val);
vgmstream_tags_reset(tags, filename_utf8);
while (vgmstream_tags_next_tag(tags, tagFile)) {
int repeated_tag = 0;
int current_tag = last_tags.tag_count;
if (current_tag >= WINAMP_TAGS_ENTRY_MAX)
continue;
/* should overwrite repeated tags as global tags may appear multiple times */
for (i = 0; i < current_tag; i++) {
if (strcmp(last_tags.keys[i], tag_key) == 0) {
current_tag = i;
repeated_tag = 1;
break;
}
}
last_tags.keys[current_tag][0] = '\0';
strncat(last_tags.keys[current_tag], tag_key, WINAMP_TAGS_ENTRY_SIZE);
last_tags.vals[current_tag][0] = '\0';
strncat(last_tags.vals[current_tag], tag_val, WINAMP_TAGS_ENTRY_SIZE);
if (!repeated_tag)
last_tags.tag_count++;
}
vgmstream_tags_close(tags);
close_streamfile(tagFile);
last_tags.loaded = 1;
}
}
/* Winamp repeatedly calls this for every known tag currently used in the Advanced Title Formatting (ATF)
* config, 'metadata' being the requested tag. Returns 0 on failure/tag not found.
* May be called again after certain actions (adding file to playlist, Play, GetFileInfo, etc), and
* doesn't seem the plugin can tell Winamp all tags it supports at once or use custom tags. */
//todo unicode stuff could be improved... probably
static int winampGetExtendedFileInfo_common(in_char* filename, char *metadata, char* ret, int retlen) {
int i, tag_found;
int max_len;
/* load list current tags, if necessary */
load_tagfile_info(filename);
if (!last_tags.loaded) /* tagfile not found, fail so default get_title takes over */
goto fail;
/* always called (value in ms), must return ok so other tags get called */
if (strcasecmp(metadata, "length") == 0) {
strcpy(ret, "0");//todo should export but shows GetFileInfo's ms if not provided
return 1;
}
#if 0
/* special case to fill WA5's unified dialog */
if (strcasecmp(metadata, "formatinformation") == 0) {
generate_format_string(...);
}
#endif
/* find requested tag */
tag_found = 0;
max_len = (retlen > 0) ? retlen-1 : retlen;
for (i = 0; i < last_tags.tag_count; i++) {
if (strcasecmp(metadata,last_tags.keys[i]) == 0) {
ret[0] = '\0';
strncat(ret, last_tags.vals[i], max_len);
tag_found = 1;
break;
}
}
/* if tagfile exists but TITLE doesn't Winamp won't default to GetFileInfo, so call it
* manually as it's useful for files with stream names */
if (!tag_found && strcasecmp(metadata, "title") == 0) {
in_char ret_wchar[2048];
winamp_GetFileInfo(filename, ret_wchar, NULL);
wa_ichar_to_char(ret, retlen, ret_wchar);
return 1;
}
if (!tag_found)
goto fail;
return 1;
fail:
//TODO: is this always needed for Winamp to use replaygain?
//strcpy(ret, "1.0"); //should set some default value?
return strcasecmp(metadata, "replaygain_track_gain") == 0 ? 1 : 0;
}
/* for Winamp 5.24 */
__declspec (dllexport) int winampGetExtendedFileInfo(char *filename, char *metadata, char *ret, int retlen) {
in_char filename_wchar[PATH_LIMIT];
int ok;
if (settings.tagfile_disable)
return 0;
wa_char_to_ichar(filename_wchar,PATH_LIMIT, filename);
ok = winampGetExtendedFileInfo_common(filename_wchar, metadata, ret, retlen);
if (ok == 0)
return 0;
return 1;
}
/* for Winamp 5.3+ */
__declspec (dllexport) int winampGetExtendedFileInfoW(wchar_t *filename, char *metadata, wchar_t *ret, int retlen) {
in_char filename_ichar[PATH_LIMIT];
char ret_utf8[2048];
int ok;
if (settings.tagfile_disable)
return 0;
wa_wchar_to_ichar(filename_ichar,PATH_LIMIT, filename);
ok = winampGetExtendedFileInfo_common(filename_ichar, metadata, ret_utf8,2048);
if (ok == 0)
return 0;
wa_char_to_wchar(ret,retlen, ret_utf8);
return 1;
}
/* return 1 if you want winamp to show it's own file info dialogue, 0 if you want to show your own (via In_Module.InfoBox)
* if returning 1, remember to implement winampGetExtendedFileInfo("formatinformation")! */
__declspec(dllexport) int winampUseUnifiedFileInfoDlg(const wchar_t * fn) {
return 0;
}
__declspec(dllexport) int winampUninstallPlugin(HINSTANCE hDllInst, HWND hwndDlg, int param) {
/* may uninstall without restart as we aren't subclassing */
return IN_PLUGIN_UNINSTALL_NOW;
}
/* ************************************* */
/* EXTENDED DECODE */
/* ************************************* */
//TODO: call common functions to avoid so much repeated code
/* the following functions are used for ReplayGain and transcoding, in places like the media
* library or CD burner, if implemented. In usual Winamp fashion they are messy, barely
* documented, slightly different repeats of the above. */
winamp_state_t xstate;
short xsample_buffer[SAMPLE_BUFFER_SIZE*2 * VGMSTREAM_MAX_CHANNELS];
/* open the file and prepares to decode */
static void *winampGetExtendedRead_open_common(in_char *fn, int *size, int *bps, int *nch, int *srate) {
VGMSTREAM *xvgmstream = NULL;
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);
/* open the stream */
xvgmstream = init_vgmstream_winamp(filename, stream_index);
if (!xvgmstream) {
return NULL;
}
/* config */
apply_config(xvgmstream, &settings);
/* enable after all config but before outbuf (though ATM outbuf is not dynamic so no need to read input_channels) */
vgmstream_mixing_autodownmix(xvgmstream, settings.downmix_channels);
vgmstream_mixing_enable(xvgmstream, SAMPLE_BUFFER_SIZE, NULL /*&input_channels*/, &xstate.output_channels);
/* reset internals */
xstate.paused = 0; /* unused */
xstate.decode_abort = 0; /* unused */
xstate.seek_sample = -1;
xstate.decode_pos_ms = 0; /* unused */
xstate.decode_pos_samples = 0;
xstate.length_samples = vgmstream_get_samples(xvgmstream);
xstate.volume = 1.0; /* unused */
if (size) /* bytes to decode (-1 if unknown) */
*size = xstate.length_samples * xstate.output_channels * sizeof(short);
if (bps)
*bps = 16;
if (nch)
*nch = xstate.output_channels;
if (srate)
*srate = xvgmstream->sample_rate;
return xvgmstream; /* handle passed to other extended functions */
}
__declspec(dllexport) void *winampGetExtendedRead_open(const char *fn, int *size, int *bps, int *nch, int *srate) {
in_char filename_wchar[PATH_LIMIT];
wa_char_to_ichar(filename_wchar, PATH_LIMIT, fn);
return winampGetExtendedRead_open_common(filename_wchar, size, bps, nch, srate);
}
__declspec(dllexport) void *winampGetExtendedRead_openW(const wchar_t *fn, int *size, int *bps, int *nch, int *srate) {
in_char filename_ichar[PATH_LIMIT];
wa_wchar_to_ichar(filename_ichar, PATH_LIMIT, fn);
return winampGetExtendedRead_open_common(filename_ichar, size, bps, nch, srate);
}
/* decode len to dest buffer, called multiple times until file done or decoding is aborted */
__declspec(dllexport) size_t winampGetExtendedRead_getData(void *handle, char *dest, size_t len, int *killswitch) {
const int max_buffer_samples = SAMPLE_BUFFER_SIZE;
unsigned copied = 0;
int done = 0;
VGMSTREAM* xvgmstream = handle;
int play_forever;
if (!xvgmstream)
return 0;
play_forever = vgmstream_get_play_forever(xvgmstream);
while (copied + (max_buffer_samples * xvgmstream->channels * sizeof(short)) < len && !done) {
int samples_to_do;
if (xstate.decode_pos_samples + max_buffer_samples > xstate.length_samples && !play_forever) {
samples_to_do = xstate.length_samples - xstate.decode_pos_samples;
if (samples_to_do < 0) /* just in case */
samples_to_do = 0;
}
else {
samples_to_do = max_buffer_samples;
}
if (!samples_to_do) { /* track finished */
break;
}
else if (xstate.seek_sample != -1) { /* seek */
do_seek(&xstate, xvgmstream);
}
else { /* decode */
render_vgmstream(xsample_buffer, samples_to_do, xvgmstream);
/* output samples */
memcpy(&dest[copied], xsample_buffer, samples_to_do * xstate.output_channels * sizeof(short));
copied += samples_to_do * xstate.output_channels * sizeof(short);
xstate.decode_pos_samples += samples_to_do;
}
/* check decoding cancelled */
if (killswitch && *killswitch) {
break;
}
}
return copied; /* return 0 to signal file done */
}
/* seek in the file (possibly unused) */
__declspec(dllexport) int winampGetExtendedRead_setTime(void *handle, int time_in_ms) {
VGMSTREAM *xvgmstream = handle;
if (xvgmstream) {
xstate.seek_sample = (long long)time_in_ms * xvgmstream->sample_rate / 1000LL;
return 1;
}
return 0;
}
/* file done */
__declspec(dllexport) void winampGetExtendedRead_close(void *handle) {
VGMSTREAM *xvgmstream = handle;
if (xvgmstream) {
close_vgmstream(xvgmstream);
}
}
/* other winamp sekrit exports: */
#if 0
__declspec(dllexport) void winampAddUnifiedFileInfoPane(?) {
?
}
#endif
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