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rockbox/apps/plugins/midi/midiplay.c

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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"
/* variable button definitions */
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define MIDI_QUIT BUTTON_OFF
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_RC_QUIT BUTTON_RC_STOP
#define MIDI_PLAYPAUSE BUTTON_ON
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
(CONFIG_KEYPAD == IPOD_1G2G_PAD)
#define MIDI_QUIT (BUTTON_SELECT | BUTTON_MENU)
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_SCROLL_FWD
#define MIDI_VOL_DOWN BUTTON_SCROLL_BACK
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_A
#elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif (CONFIG_KEYPAD == SANSA_E200_PAD)
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_SCROLL_FWD
#define MIDI_VOL_DOWN BUTTON_SCROLL_BACK
#define MIDI_PLAYPAUSE BUTTON_UP
#elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
#define MIDI_QUIT (BUTTON_HOME|BUTTON_REPEAT)
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_SCROLL_FWD
#define MIDI_VOL_DOWN BUTTON_SCROLL_BACK
#define MIDI_PLAYPAUSE BUTTON_UP
#elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
(CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
(CONFIG_KEYPAD == SANSA_M200_PAD)
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_UP
#elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == IRIVER_H10_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_SCROLL_UP
#define MIDI_VOL_DOWN BUTTON_SCROLL_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == MROBE500_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_RC_PLAY
#define MIDI_VOL_DOWN BUTTON_RC_DOWN
#define MIDI_PLAYPAUSE BUTTON_RC_HEART
#elif (CONFIG_KEYPAD == MROBE100_PAD)
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_DISPLAY
#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
#define MIDI_QUIT BUTTON_RC_REC
#define MIDI_FFWD BUTTON_RC_FF
#define MIDI_REWIND BUTTON_RC_REW
#define MIDI_VOL_UP BUTTON_RC_VOL_UP
#define MIDI_VOL_DOWN BUTTON_RC_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_RC_PLAY
#elif CONFIG_KEYPAD == COWON_D2_PAD
#define MIDI_QUIT BUTTON_POWER
#elif CONFIG_KEYPAD == CREATIVEZVM_PAD
#define MIDI_QUIT BUTTON_BACK
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == CREATIVE_ZENXFI3_PAD
#define MIDI_QUIT (BUTTON_PLAY|BUTTON_REPEAT)
#define MIDI_FFWD BUTTON_MENU
#define MIDI_REWIND BUTTON_BACK
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE (BUTTON_PLAY|BUTTON_REL)
#elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_MENU
#elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_MENU
#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_NEXT
#define MIDI_REWIND BUTTON_PREV
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_MENU
#elif CONFIG_KEYPAD == ONDAVX747_PAD
#define MIDI_QUIT BUTTON_POWER
#elif CONFIG_KEYPAD == ONDAVX777_PAD
#define MIDI_QUIT BUTTON_POWER
#elif (CONFIG_KEYPAD == SAMSUNG_YH820_PAD) || \
(CONFIG_KEYPAD == SAMSUNG_YH92X_PAD)
#define MIDI_QUIT (BUTTON_PLAY|BUTTON_REPEAT)
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
#define MIDI_QUIT BUTTON_REC
#define MIDI_FFWD BUTTON_NEXT
#define MIDI_REWIND BUTTON_PREV
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == MPIO_HD200_PAD
#define MIDI_QUIT (BUTTON_REC | BUTTON_PLAY)
#define MIDI_FFWD BUTTON_FF
#define MIDI_REWIND BUTTON_REW
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == MPIO_HD300_PAD
#define MIDI_QUIT (BUTTON_MENU | BUTTON_REPEAT)
#define MIDI_FFWD BUTTON_FF
#define MIDI_REWIND BUTTON_REW
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == SANSA_FUZEPLUS_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAYPAUSE
#elif CONFIG_KEYPAD == SANSA_CONNECT_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_SELECT
#elif CONFIG_KEYPAD == SAMSUNG_YPR0_PAD
#define MIDI_QUIT BUTTON_BACK
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_USER
#elif (CONFIG_KEYPAD == HM60X_PAD) || \
(CONFIG_KEYPAD == HM801_PAD)
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_SELECT
#elif (CONFIG_KEYPAD == SONY_NWZ_PAD)
#define MIDI_QUIT BUTTON_BACK
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif (CONFIG_KEYPAD == CREATIVE_ZEN_PAD)
#define MIDI_QUIT BUTTON_BACK
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_UP
#define MIDI_VOL_DOWN BUTTON_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAYPAUSE
#elif CONFIG_KEYPAD == DX50_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#elif CONFIG_KEYPAD == CREATIVE_ZENXFI2_PAD
#define MIDI_QUIT BUTTON_POWER
#elif CONFIG_KEYPAD == AGPTEK_ROCKER_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_RIGHT
#define MIDI_REWIND BUTTON_LEFT
#define MIDI_VOL_UP BUTTON_VOLUP
#define MIDI_VOL_DOWN BUTTON_VOLDOWN
#define MIDI_PLAYPAUSE BUTTON_SELECT
#elif CONFIG_KEYPAD == XDUOO_X3_PAD || CONFIG_KEYPAD == XDUOO_X3II_PAD || CONFIG_KEYPAD == XDUOO_X20_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_NEXT
#define MIDI_REWIND BUTTON_PREV
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == FIIO_M3K_LINUX_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_NEXT
#define MIDI_REWIND BUTTON_PREV
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == IHIFI_770_PAD || CONFIG_KEYPAD == IHIFI_800_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_VOL_DOWN
#define MIDI_REWIND BUTTON_HOME
#define MIDI_VOL_UP BUTTON_PREV
#define MIDI_VOL_DOWN BUTTON_NEXT
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == EROSQ_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_NEXT
#define MIDI_REWIND BUTTON_PREV
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == FIIO_M3K_PAD
#define MIDI_QUIT BUTTON_POWER
#define MIDI_FFWD BUTTON_LEFT
#define MIDI_REWIND BUTTON_RIGHT
#define MIDI_VOL_UP BUTTON_VOL_UP
#define MIDI_VOL_DOWN BUTTON_VOL_DOWN
#define MIDI_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == SHANLING_Q1_PAD
/* use touchscreen */
#else
#error No keymap defined!
#endif
#ifdef HAVE_TOUCHSCREEN
#ifndef MIDI_QUIT
#define MIDI_QUIT BUTTON_TOPLEFT
#endif
#ifndef MIDI_FFWD
#define MIDI_FFWD BUTTON_MIDRIGHT
#endif
#ifndef MIDI_REWIND
#define MIDI_REWIND BUTTON_MIDLEFT
#endif
#ifndef MIDI_VOL_UP
#define MIDI_VOL_UP BUTTON_TOPMIDDLE
#endif
#ifndef MIDI_VOL_DOWN
#define MIDI_VOL_DOWN BUTTON_BOTTOMMIDDLE
#endif
#ifndef MIDI_PLAYPAUSE
#define MIDI_PLAYPAUSE BUTTON_CENTER
#endif
#endif
#undef SYNC
#ifdef SIMULATOR
#define SYNC
#endif
#ifndef ALIGNED_ATTR
#define ALIGNED_ATTR(x) __attribute__((aligned(x)))
#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;
#ifndef SYNC
/* Small silence clip. ~5.80ms @ 44.1kHz */
static int32_t silence[256] ALIGNED_ATTR(4) = { 0 };
static int32_t gmbuf[BUF_SIZE * NBUF] ALIGNED_ATTR(4);
static volatile bool swap = false;
static volatile bool lastswap = true;
#else
static int32_t gmbuf[BUF_SIZE] ALIGNED_ATTR(4);
#endif
static volatile size_t samples_in_buf;
static volatile bool midi_end = false;
static volatile bool quit = false;
static int32_t samp_buf[MAX_SAMPLES * 2] IBSS_ATTR;
static struct dsp_config *dsp;
static struct dsp_buffer src;
static struct dsp_buffer dst;
static inline void synthbuf(void)
{
int32_t *outptr;
int available = BUF_SIZE;
#ifndef SYNC
if (lastswap == swap)
return;
outptr = (swap ? gmbuf : gmbuf+BUF_SIZE);
#else
outptr = gmbuf;
#endif
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(true);
#endif
/* synth samples for as many whole ticks as we can fit in the buffer */
while (available > 0)
{
if ((dst.remcount <= 0) && !midi_end)
{
int nsamples = synthSamples(samp_buf, number_of_samples);
if (nsamples < number_of_samples)
number_of_samples -= nsamples;
else if (!tick())
midi_end = true; /* no more midi data to play */
src.remcount = nsamples;
src.pin[0] = &samp_buf[0];
src.pin[1] = &samp_buf[1];
src.proc_mask = 0;
}
dst.remcount = 0;
dst.bufcount = available;
dst.p16out = (int16_t *)outptr;
rb->dsp_process(dsp, &src, &dst);
if (dst.remcount > 0)
{
outptr += dst.remcount;
available -= dst.remcount;
}
else if (midi_end)
break;
}
/* how many samples did we write to the buffer? */
samples_in_buf = BUF_SIZE - available;
#ifndef SYNC
lastswap = swap;
#endif
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(false);
#endif
}
static void get_more(const void** start, size_t* size)
{
#ifndef SYNC
swap = !swap;
if(lastswap == swap)
{
*start = silence;
*size = sizeof(silence);
swap = !swap;
return;
}
else if (samples_in_buf)
*start = swap ? (gmbuf + BUF_SIZE) : gmbuf;
#else
synthbuf(); /* For some reason midiplayer crashes when an update is forced */
if (samples_in_buf)
*start = gmbuf;
#endif
else
{
*start = NULL;
quit = true; /* this was the last buffer to play */
}
*size = samples_in_buf*sizeof(int32_t);
}
static int midimain(const void * filename)
{
int a, notes_used, vol;
bool is_playing = true; /* false = paused */
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(true);
#endif
midi_debug("Loading file");
mf = loadFile(filename);
if (mf == NULL)
{
midi_debug("Error loading file.");
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(false);
#endif
return -1;
}
if (initSynth(mf, ROCKBOX_DIR "/patchset/patchset.cfg",
ROCKBOX_DIR "/patchset/drums.cfg") == -1)
{
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(false);
#endif
return -1;
}
rb->talk_force_shutup();
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
dst.remcount = 0;
dsp = rb->dsp_get_config(CODEC_IDX_AUDIO);
rb->dsp_configure(dsp, DSP_RESET, 0);
rb->dsp_configure(dsp, DSP_FLUSH, 0);
rb->dsp_configure(dsp, DSP_SET_OUT_FREQUENCY, rb->mixer_get_frequency());
#ifdef HAVE_PITCHCONTROL
rb->sound_set_pitch(PITCH_SPEED_100);
rb->dsp_set_timestretch(PITCH_SPEED_100);
#endif
rb->dsp_configure(dsp, DSP_SET_SAMPLE_DEPTH, 22);
rb->dsp_configure(dsp, DSP_SET_FREQUENCY, SAMPLE_RATE); /* 44100 22050 11025 */
rb->dsp_configure(dsp, DSP_SET_STEREO_MODE, STEREO_INTERLEAVED);
/*
* 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);
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(false);
#endif
playing_time = 0;
samples_this_second = 0;
#ifndef SYNC
synthbuf();
#endif
rb->pcmbuf_fade(false, true);
rb->mixer_channel_play_data(PCM_MIXER_CHAN_PLAYBACK, 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 MIDI_VOL_UP:
case MIDI_VOL_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 MIDI_VOL_DOWN:
case MIDI_VOL_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 MIDI_REWIND:
{
/* Rewinding is tricky. Basically start the file over */
/* but run through the tracks without the synth running */
rb->mixer_channel_stop(PCM_MIXER_CHAN_PLAYBACK);
rb->dsp_configure(dsp, DSP_FLUSH, 0);
dst.remcount = 0;
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(true);
#endif
seekBackward(5);
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(false);
#endif
#ifndef SYNC
lastswap = !swap;
synthbuf();
#endif
midi_debug("Rewind to %d:%02d\n", playing_time/60, playing_time%60);
if (is_playing)
rb->mixer_channel_play_data(PCM_MIXER_CHAN_PLAYBACK, get_more, NULL, 0);
break;
}
case MIDI_FFWD:
{
rb->mixer_channel_stop(PCM_MIXER_CHAN_PLAYBACK);
rb->dsp_configure(dsp, DSP_FLUSH, 0);
dst.remcount = 0;
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(true);
#endif
seekForward(5);
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(false);
#endif
#ifndef SYNC
lastswap = !swap;
synthbuf();
#endif
midi_debug("Skip to %d:%02d\n", playing_time/60, playing_time%60);
if (is_playing)
rb->mixer_channel_play_data(PCM_MIXER_CHAN_PLAYBACK, get_more, NULL, 0);
break;
}
case MIDI_PLAYPAUSE:
{
is_playing = !is_playing;
midi_debug("%s %d:%02d\n",
is_playing ? "Playing from" : "Paused at",
playing_time/60, playing_time%60);
rb->mixer_channel_play_pause(PCM_MIXER_CHAN_PLAYBACK, is_playing);
break;
}
#ifdef MIDI_RC_QUIT
case MIDI_RC_QUIT:
#endif
case MIDI_QUIT:
quit = true;
}
}
rb->pcmbuf_fade(false, false);
rb->mixer_channel_stop(PCM_MIXER_CHAN_PLAYBACK);
return 0;
}
enum plugin_status plugin_start(const void* parameter)
{
int retval;
if (parameter == NULL)
{
rb->splash(HZ*2, " Play .MID file ");
return PLUGIN_OK;
}
rb->lcd_setfont(FONT_SYSFIXED);
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->splash(HZ, "FINISHED PLAYING");
if (retval == -1)
return PLUGIN_ERROR;
return PLUGIN_OK;
}
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