/** * vgmstream for Winamp */ #include "in_vgmstream.h" #ifndef VERSION #include "version.h" #endif #ifndef VERSION #define VERSION "(unknown version)" #endif #define PLUGIN_DESCRIPTION "vgmstream plugin " VERSION " " __DATE__ /* ***************************************** */ /* IN_STATE */ /* ***************************************** */ #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}; /* 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_VGMSTREAM UTILS */ /* ***************************************** */ /* 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; } /* 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 filename[PATH_LIMIT]; char buffer[PATH_LIMIT]; char filename_utf8[PATH_LIMIT]; parse_fn_string(fn, NULL, filename,PATH_LIMIT); //parse_fn_int(fn, wa_L("$s"), &stream_index); wa_ichar_to_char(filename_utf8, PATH_LIMIT, filename); /* infostream gets added at first with index 0, then once played it re-adds proper numbers */ if (infostream) { vgmstream_title_t tcfg = {0}; int is_first = infostream->stream_index == 0; tcfg.force_title = settings.force_title; tcfg.subsong_range = is_first; tcfg.remove_extension = 1; vgmstream_get_title(buffer, sizeof(buffer), filename_utf8, infostream, &tcfg); wa_char_to_ichar(dst, dst_size, 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(&input_module, &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