| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * |
| * Copyright (C) 2005 Karl Kurbjun based on midi2wav by Stepan Moskovchenko |
| * |
| * All files in this archive are subject to the GNU General Public License. |
| * See the file COPYING in the source tree root for full license agreement. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| |
| #include "../../plugin.h" |
| |
| PLUGIN_HEADER |
| PLUGIN_IRAM_DECLARE |
| |
| /* variable button definitions */ |
| #if CONFIG_KEYPAD == RECORDER_PAD |
| #define BTN_QUIT BUTTON_OFF |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_UP |
| #define BTN_DOWN BUTTON_DOWN |
| |
| #elif CONFIG_KEYPAD == ONDIO_PAD |
| #define BTN_QUIT BUTTON_OFF |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_UP |
| #define BTN_DOWN BUTTON_DOWN |
| |
| #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) |
| #define BTN_QUIT BUTTON_OFF |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_UP |
| #define BTN_DOWN BUTTON_DOWN |
| |
| #define BTN_RC_QUIT BUTTON_RC_STOP |
| |
| #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) |
| #define BTN_QUIT (BUTTON_SELECT | BUTTON_MENU) |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_SCROLL_FWD |
| #define BTN_DOWN BUTTON_SCROLL_BACK |
| |
| #elif (CONFIG_KEYPAD == GIGABEAT_PAD) |
| #define BTN_QUIT BUTTON_POWER |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_VOL_UP |
| #define BTN_DOWN BUTTON_VOL_DOWN |
| |
| #elif (CONFIG_KEYPAD == SANSA_E200_PAD) |
| #define BTN_QUIT BUTTON_POWER |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_UP |
| #define BTN_DOWN BUTTON_DOWN |
| |
| |
| #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD |
| #define BTN_QUIT BUTTON_POWER |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_UP |
| #define BTN_DOWN BUTTON_DOWN |
| |
| #elif CONFIG_KEYPAD == IRIVER_H10_PAD |
| #define BTN_QUIT BUTTON_POWER |
| #define BTN_RIGHT BUTTON_RIGHT |
| #define BTN_UP BUTTON_SCROLL_UP |
| #define BTN_DOWN BUTTON_SCROLL_DOWN |
| |
| #endif |
| |
| |
| |
| #define FRACTSIZE 10 |
| |
| #ifndef SIMULATOR |
| #define SAMPLE_RATE 22050 // 44100 22050 11025 |
| #define MAX_VOICES 20 // Note: 24 midi channels is the minimum general midi |
| // spec implementation |
| #else // Simulator requires 44100, and we can afford to use more voices |
| #define SAMPLE_RATE 44100 |
| #define MAX_VOICES 48 |
| #endif |
| |
| |
| #define BUF_SIZE 256 |
| #define NBUF 2 |
| |
| #undef SYNC |
| |
| #ifdef SIMULATOR |
| #define SYNC |
| #endif |
| |
| struct MIDIfile * mf IBSS_ATTR; |
| |
| int numberOfSamples IBSS_ATTR; |
| long bpm IBSS_ATTR; |
| |
| #include "midi/midiutil.c" |
| #include "midi/guspat.h" |
| #include "midi/guspat.c" |
| #include "midi/sequencer.c" |
| #include "midi/midifile.c" |
| #include "midi/synth.c" |
| |
| long gmbuf[BUF_SIZE*NBUF]; |
| |
| int quit=0; |
| struct plugin_api * rb; |
| |
| enum plugin_status plugin_start(struct plugin_api* api, void* parameter) |
| { |
| int retval = 0; |
| |
| PLUGIN_IRAM_INIT(api) |
| |
| rb = api; |
| if(parameter == NULL) |
| { |
| rb->splash(HZ*2, " Play .MID file "); |
| return PLUGIN_OK; |
| } |
| rb->lcd_setfont(0); |
| |
| #if defined(HAVE_ADJUSTABLE_CPU_FREQ) |
| rb->cpu_boost(true); |
| #endif |
| |
| printf("%s", parameter); |
| /* rb->splash(HZ, true, parameter); */ |
| |
| #ifdef RB_PROFILE |
| rb->profile_thread(); |
| #endif |
| |
| retval = midimain(parameter); |
| |
| #ifdef RB_PROFILE |
| rb->profstop(); |
| #endif |
| |
| rb->pcm_play_stop(); |
| rb->pcm_set_frequency(HW_SAMPR_DEFAULT); |
| |
| #if defined(HAVE_ADJUSTABLE_CPU_FREQ) |
| rb->cpu_boost(false); |
| #endif |
| |
| rb->splash(HZ, "FINISHED PLAYING"); |
| |
| if(retval == -1) |
| return PLUGIN_ERROR; |
| return PLUGIN_OK; |
| } |
| |
| bool swap=0; |
| bool lastswap=1; |
| |
| inline void synthbuf(void) |
| { |
| long *outptr; |
| register int i; |
| static int currentSample=0; |
| int synthtemp[2]; |
| |
| #ifndef SYNC |
| if(lastswap==swap) return; |
| lastswap=swap; |
| |
| outptr=(swap ? gmbuf : gmbuf+BUF_SIZE); |
| #else |
| outptr=gmbuf; |
| #endif |
| |
| for(i=0; i<BUF_SIZE/2; i++) |
| { |
| synthSample(&synthtemp[0], &synthtemp[1]); |
| currentSample++; |
| *outptr=((synthtemp[0]&0xFFFF) << 16) | (synthtemp[1]&0xFFFF); |
| outptr++; |
| if(currentSample==numberOfSamples) |
| { |
| if( tick() == 0 ) quit=1; |
| currentSample=0; |
| } |
| } |
| } |
| |
| void get_more(unsigned char** start, size_t* size) |
| { |
| #ifndef SYNC |
| if(lastswap!=swap) |
| { |
| printf("Buffer miss!"); // Comment out the printf to make missses less noticable. |
| } |
| |
| #else |
| synthbuf(); // For some reason midiplayer crashes when an update is forced |
| #endif |
| |
| *size = BUF_SIZE*sizeof(short); |
| #ifndef SYNC |
| *start = (unsigned char*)((swap ? gmbuf : gmbuf + BUF_SIZE)); |
| swap=!swap; |
| #else |
| *start = (unsigned char*)(gmbuf); |
| #endif |
| } |
| |
| int midimain(void * filename) |
| { |
| int notesUsed = 0; |
| int a=0; |
| printf("Loading file"); |
| mf= loadFile(filename); |
| |
| if(mf == NULL) |
| { |
| printf("Error loading file."); |
| return -1; |
| } |
| |
| if (initSynth(mf, "/.rockbox/patchset/patchset.cfg", "/.rockbox/patchset/drums.cfg") == -1) |
| return -1; |
| |
| //#ifndef SIMULATOR |
| rb->pcm_play_stop(); |
| rb->pcm_set_frequency(SAMPLE_RATE); // 44100 22050 11025 |
| //#endif |
| |
| /* |
| * tick() will do one MIDI clock tick. Then, there's a loop here that |
| * will generate the right number of samples per MIDI tick. The whole |
| * MIDI playback is timed in terms of this value.. there are no forced |
| * delays or anything. It just produces enough samples for each tick, and |
| * the playback of these samples is what makes the timings right. |
| * |
| * This seems to work quite well. On a laptop, anyway. |
| */ |
| |
| printf("Okay, starting sequencing"); |
| |
| bpm=mf->div*1000000/tempo; |
| numberOfSamples=SAMPLE_RATE/bpm; |
| |
| |
| |
| /* Skip over any junk in the beginning of the file, so start playing */ |
| /* after the first note event */ |
| do |
| { |
| notesUsed = 0; |
| for(a=0; a<MAX_VOICES; a++) |
| if(voices[a].isUsed == 1) |
| notesUsed++; |
| tick(); |
| } while(notesUsed == 0); |
| |
| synthbuf(); |
| //#ifndef SIMULATOR |
| rb->pcm_play_data(&get_more, NULL, 0); |
| //#endif |
| |
| int vol=0; |
| |
| while(!quit) |
| { |
| #ifndef SYNC |
| synthbuf(); |
| #endif |
| rb->yield(); |
| |
| /* Code taken from Oscilloscope plugin */ |
| switch(rb->button_get(false)) |
| { |
| case BTN_UP: |
| case BTN_UP | BUTTON_REPEAT: |
| vol = rb->global_settings->volume; |
| if (vol < rb->sound_max(SOUND_VOLUME)) |
| { |
| vol++; |
| rb->sound_set(SOUND_VOLUME, vol); |
| rb->global_settings->volume = vol; |
| } |
| break; |
| |
| case BTN_DOWN: |
| case BTN_DOWN | BUTTON_REPEAT: |
| vol = rb->global_settings->volume; |
| if (vol > rb->sound_min(SOUND_VOLUME)) |
| { |
| vol--; |
| rb->sound_set(SOUND_VOLUME, vol); |
| rb->global_settings->volume = vol; |
| } |
| break; |
| |
| case BTN_RIGHT: |
| { |
| /* Skip 3 seconds */ |
| /* Should skip length be retrieved from the RB settings? */ |
| int samp = 3*SAMPLE_RATE; |
| int tickCount = samp / numberOfSamples; |
| int a=0; |
| for(a=0; a<tickCount; a++) |
| tick(); |
| break; |
| } |
| #ifdef BTN_RC_QUIT |
| case BTN_RC_QUIT: |
| #endif |
| case BTN_QUIT: |
| quit=1; |
| } |
| |
| |
| } |
| |
| return 0; |
| } |