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rockbox/apps/plugins/midi/midiplay.c
Michael Chicoine e024198305 Replace remaining printf in midi plugin (fix yellow/red) 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27563 a1c6a512-1295-4272-9138-f99709370657
2010-07-25 19:47:07 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Karl Kurbjun based on midi2wav by Stepan Moskovchenko
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "guspat.h"
#include "midiutil.h"
#include "synth.h"
#include "sequencer.h"
#include "midifile.h"
PLUGIN_HEADER
PLUGIN_IRAM_DECLARE
/* variable button definitions */
#if (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_LEFT BUTTON_LEFT
#define BTN_RC_QUIT BUTTON_RC_STOP
#define BTN_PLAY BUTTON_ON
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
(CONFIG_KEYPAD == IPOD_1G2G_PAD)
#define BTN_QUIT (BUTTON_SELECT | BUTTON_MENU)
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_SCROLL_FWD
#define BTN_DOWN BUTTON_SCROLL_BACK
#define BTN_PLAY BUTTON_PLAY
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_A
#elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_PLAY
#elif (CONFIG_KEYPAD == SANSA_E200_PAD)
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_SCROLL_FWD
#define BTN_DOWN BUTTON_SCROLL_BACK
#define BTN_PLAY BUTTON_UP
#elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
#define BTN_QUIT (BUTTON_HOME|BUTTON_REPEAT)
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_SCROLL_FWD
#define BTN_DOWN BUTTON_SCROLL_BACK
#define BTN_PLAY BUTTON_UP
#elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
(CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
(CONFIG_KEYPAD == SANSA_M200_PAD)
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_VOL_UP
#define BTN_DOWN BUTTON_VOL_DOWN
#define BTN_PLAY BUTTON_UP
#elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_PLAY
#elif CONFIG_KEYPAD == IRIVER_H10_PAD
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_SCROLL_UP
#define BTN_DOWN BUTTON_SCROLL_DOWN
#define BTN_PLAY BUTTON_PLAY
#elif CONFIG_KEYPAD == MROBE500_PAD
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_RC_PLAY
#define BTN_DOWN BUTTON_RC_DOWN
#define BTN_PLAY BUTTON_RC_HEART
#elif (CONFIG_KEYPAD == MROBE100_PAD)
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_DISPLAY
#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
#define BTN_QUIT BUTTON_RC_REC
#define BTN_RIGHT BUTTON_RC_FF
#define BTN_LEFT BUTTON_RC_REW
#define BTN_UP BUTTON_RC_VOL_UP
#define BTN_DOWN BUTTON_RC_VOL_DOWN
#define BTN_PLAY BUTTON_RC_PLAY
#elif CONFIG_KEYPAD == COWON_D2_PAD
#define BTN_QUIT BUTTON_POWER
#elif CONFIG_KEYPAD == IAUDIO67_PAD
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_STOP
#define BTN_DOWN BUTTON_PLAY
#define BTN_PLAY BUTTON_MENU
#elif CONFIG_KEYPAD == CREATIVEZVM_PAD
#define BTN_QUIT BUTTON_BACK
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_PLAY
#elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_MENU
#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
#define BTN_QUIT BUTTON_POWER
#define BTN_RIGHT BUTTON_NEXT
#define BTN_LEFT BUTTON_PREV
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_MENU
#elif CONFIG_KEYPAD == ONDAVX747_PAD
#define BTN_QUIT BUTTON_POWER
#elif CONFIG_KEYPAD == ONDAVX777_PAD
#define BTN_QUIT BUTTON_POWER
#elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
#define BTN_QUIT BUTTON_REW
#define BTN_RIGHT BUTTON_RIGHT
#define BTN_LEFT BUTTON_LEFT
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_PLAY
#elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
#define BTN_QUIT BUTTON_REC
#define BTN_RIGHT BUTTON_NEXT
#define BTN_LEFT BUTTON_PREV
#define BTN_UP BUTTON_UP
#define BTN_DOWN BUTTON_DOWN
#define BTN_PLAY BUTTON_PLAY
#elif CONFIG_KEYPAD == MPIO_HD200_PAD
#define BTN_QUIT (BUTTON_REC | BUTTON_PLAY)
#define BTN_RIGHT BUTTON_VOL_DOWN
#define BTN_LEFT BUTTON_VOL_UP
#define BTN_UP BUTTON_PREV
#define BTN_DOWN BUTTON_NEXT
#define BTN_PLAY BUTTON_PLAY
#else
#error No keymap defined!
#endif
#ifdef HAVE_TOUCHSCREEN
#ifndef BTN_QUIT
#define BTN_QUIT BUTTON_TOPLEFT
#endif
#ifndef BTN_RIGHT
#define BTN_RIGHT BUTTON_MIDRIGHT
#endif
#ifndef BTN_LEFT
#define BTN_LEFT BUTTON_MIDLEFT
#endif
#ifndef BTN_UP
#define BTN_UP BUTTON_TOPMIDDLE
#endif
#ifndef BTN_DOWN
#define BTN_DOWN BUTTON_BOTTOMMIDDLE
#endif
#ifndef BTN_PLAY
#define BTN_PLAY BUTTON_CENTER
#endif
#endif
#undef SYNC
#ifdef SIMULATOR
#define SYNC
#endif
struct MIDIfile * mf IBSS_ATTR;
int number_of_samples IBSS_ATTR; /* the number of samples in the current tick */
int playing_time IBSS_ATTR; /* How many seconds into the file have we been playing? */
int samples_this_second IBSS_ATTR; /* How many samples produced during this second so far? */
long bpm IBSS_ATTR;
int32_t gmbuf[BUF_SIZE*NBUF];
static unsigned int samples_in_buf;
bool quit = false;
bool swap = false;
bool lastswap = true;
static inline void synthbuf(void)
{
int32_t *outptr;
int i = BUF_SIZE;
#ifndef SYNC
if (lastswap == swap)
return;
lastswap = swap;
outptr = (swap ? gmbuf : gmbuf+BUF_SIZE);
#else
outptr = gmbuf;
#endif
/* synth samples for as many whole ticks as we can fit in the buffer */
for (; i >= number_of_samples; i -= number_of_samples)
{
synthSamples((int32_t*)outptr, number_of_samples);
outptr += number_of_samples;
#ifndef SYNC
/* synthbuf is called in interrupt context is SYNC is defined so it cannot yield
that bug causing the sim to crach when not using SYNC should really be fixed */
rb->yield();
#endif
if (tick() == 0)
quit = true;
}
/* how many samples did we write to the buffer? */
samples_in_buf = BUF_SIZE-i;
}
void get_more(unsigned char** start, size_t* size)
{
#ifndef SYNC
if(lastswap != swap)
{
midi_debug("Buffer miss!"); /* Comment out the midi_debug to make missses less noticable. */
}
#else
synthbuf(); /* For some reason midiplayer crashes when an update is forced */
#endif
*size = samples_in_buf*sizeof(int32_t);
#ifndef SYNC
*start = (unsigned char*)((swap ? gmbuf : gmbuf + BUF_SIZE));
swap = !swap;
#else
*start = (unsigned char*)(gmbuf);
#endif
}
static int midimain(const void * filename)
{
int a, notes_used, vol;
bool is_playing = true; /* false = paused */
midi_debug("Loading file");
mf = loadFile(filename);
if (mf == NULL)
{
midi_debug("Error loading file.");
return -1;
}
if (initSynth(mf, ROCKBOX_DIR "/patchset/patchset.cfg",
ROCKBOX_DIR "/patchset/drums.cfg") == -1)
return -1;
rb->pcm_play_stop();
#if INPUT_SRC_CAPS != 0
/* Select playback */
rb->audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
rb->audio_set_output_source(AUDIO_SRC_PLAYBACK);
#endif
rb->pcm_set_frequency(SAMPLE_RATE); /* 44100 22050 11025 */
/*
* 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.
*/
midi_debug("Okay, starting sequencing");
bpm = mf->div*1000000/tempo;
number_of_samples = SAMPLE_RATE/bpm;
/* Skip over any junk in the beginning of the file, so start playing */
/* after the first note event */
do
{
notes_used = 0;
for (a = 0; a < MAX_VOICES; a++)
if (voices[a].isUsed)
notes_used++;
tick();
} while (notes_used == 0);
playing_time = 0;
samples_this_second = 0;
synthbuf();
rb->pcm_play_data(&get_more, NULL, 0);
while (!quit)
{
#ifndef SYNC
synthbuf();
#endif
rb->yield();
/* Prevent idle poweroff */
rb->reset_poweroff_timer();
/* 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_LEFT:
{
/* Rewinding is tricky. Basically start the file over */
/* but run through the tracks without the synth running */
rb->pcm_play_stop();
seekBackward(5);
midi_debug("Rewind to %d:%02d\n", playing_time/60, playing_time%60);
if (is_playing)
rb->pcm_play_data(&get_more, NULL, 0);
break;
}
case BTN_RIGHT:
{
rb->pcm_play_stop();
seekForward(5);
midi_debug("Skip to %d:%02d\n", playing_time/60, playing_time%60);
if (is_playing)
rb->pcm_play_data(&get_more, NULL, 0);
break;
}
case BTN_PLAY:
{
if (is_playing)
{
midi_debug("Paused at %d:%02d\n", playing_time/60, playing_time%60);
is_playing = false;
rb->pcm_play_stop();
} else
{
midi_debug("Playing from %d:%02d\n", playing_time/60, playing_time%60);
is_playing = true;
rb->pcm_play_data(&get_more, NULL, 0);
}
break;
}
#ifdef BTN_RC_QUIT
case BTN_RC_QUIT:
#endif
case BTN_QUIT:
quit = true;
}
}
return 0;
}
enum plugin_status plugin_start(const void* parameter)
{
int retval;
PLUGINLIB_EXIT_INIT;
PLUGIN_IRAM_INIT(rb)
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
midi_debug("%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;
}
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