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Some MIDI changes, and add a new musical plugin I'm working on... Not fully done yet, so commented out

Browse source 
of SUBDIRS. (If people are against having half-baked plugins in SVN, please let me know and I will 
remove it).


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14863 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Stepan Moskovchenko 2007-09-27 03:59:33 +00:00
parent 61a83c02a3
commit 8b6d28790e
6 changed files with 773 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

1
apps/plugins/SUBDIRS
View file

@ -43,6 +43,7 @@ doom
/* For all the swcodec targets */
#if CONFIG_CODEC == SWCODEC
midi
#beatbox
mpegplayer
#endif

74
apps/plugins/beatbox/Makefile Normal file
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@ -0,0 +1,74 @@
# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
# $Id $
#
INCLUDES = -I$(APPSDIR) -I.. -I. $(TARGET_INC) -I$(FIRMDIR)/include -I$(FIRMDIR)/export \
-I$(FIRMDIR)/common -I$(FIRMDIR)/drivers -I$(OUTDIR) -I$(BUILDDIR)
CFLAGS = $(INCLUDES) $(GCCOPTS) $(TARGET) $(EXTRA_DEFINES) \
-DTARGET_ID=$(TARGET_ID) -DMEM=${MEMORYSIZE} -DPLUGIN -O3
ifdef APPEXTRA
INCLUDES += $(patsubst %,-I$(APPSDIR)/%,$(subst :, ,$(APPEXTRA)))
endif
LINKFILE := $(OBJDIR)/link.lds
DEPFILE = $(OBJDIR)/dep-beatbox
# This sets up 'SRC' based on the files mentioned in SOURCES
include $(TOOLSDIR)/makesrc.inc
SOURCES = $(SRC)
OBJS := $(SRC:%.c=$(OBJDIR)/%.o)
DIRS = .
ifndef SIMVER
LDS := ../plugin.lds
OUTPUT = $(OUTDIR)/beatbox.rock
else ## simulators
OUTPUT = $(OUTDIR)/beatbox.rock
endif
all: $(OUTPUT)
ifndef SIMVER
$(OBJDIR)/beatbox.elf: $(OBJS) $(LINKFILE) $(BITMAPLIBS)
$(call PRINTS,LD $(@F))$(CC) $(CFLAGS) -o $@ $(OBJS) -L$(BUILDDIR) -lplugin -lgcc \
$(LINKBITMAPS) -T$(LINKFILE) -Wl,-Map,$(OBJDIR)/beatbox.map
$(OUTPUT): $(OBJDIR)/beatbox.elf
$(call PRINTS,OBJCOPY $(@F))$(OC) -O binary $< $@
else
###################################################
# This is the SDL simulator version
$(OUTPUT): $(OBJS)
$(call PRINTS,LD $(@F))$(CC) $(CFLAGS) $(SHARED_FLAG) $(OBJS) -L$(BUILDDIR) -lplugin $(LINKBITMAPS) -o $@
ifeq ($(findstring CYGWIN,$(UNAME)),CYGWIN)
# 'x' must be kept or you'll have "Win32 error 5"
# $ fgrep 5 /usr/include/w32api/winerror.h | head -1
# #define ERROR_ACCESS_DENIED 5L
else
@chmod -x $@
endif
endif # end of simulator section
include $(TOOLSDIR)/make.inc
# MEMORYSIZE should be passed on to this makefile with the chosen memory size
# given in number of MB
$(LINKFILE): $(LDS)
$(call PRINTS,build $(@F))cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) \
$(DEFINES) -E -P - >$@
clean:
$(call PRINTS,cleaning beatbox)rm -rf $(OBJDIR)/beatbox
$(SILENT)rm -f $(OBJDIR)/beatbox.* $(DEPFILE)
-include $(DEPFILE)

6
apps/plugins/beatbox/SOURCES Normal file
View file

@ -0,0 +1,6 @@
../midi/midifile.c
../midi/midiutil.c
../midi/sequencer.c
../midi/guspat.c
../midi/synth.c
beatbox.c

664
apps/plugins/beatbox/beatbox.c Normal file
View file

@ -0,0 +1,664 @@
/***************************************************************************
* __________ __ ___.
* 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_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_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_UP
#define BTN_DOWN BUTTON_DOWN
#elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
(CONFIG_KEYPAD == SANSA_C200_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
#if (HW_SAMPR_CAPS & SAMPR_CAP_22)
#define SAMPLE_RATE SAMPR_22 // 44100 22050 11025
#else
#define SAMPLE_RATE SAMPR_44 // 44100 22050 11025
#endif
#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 SAMPR_44
#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 "plugin.h"
#include "midi/guspat.h"
#include "midi/midiutil.h"
#include "midi/synth.h"
#include "midi/sequencer.h"
#include "midi/midifile.h"
long gmbuf[BUF_SIZE*NBUF];
int quit=0;
struct plugin_api * rb;
#define STATE_STOPPED 0
#define STATE_PAUSED 1
#define STATE_PLAYING 2
#define BEATBOX_UP BUTTON_UP
#define BEATBOX_DOWN BUTTON_DOWN
#define BEATBOX_LEFT BUTTON_LEFT
#define BEATBOX_RIGHT BUTTON_RIGHT
#define BEATBOX_SELECT BUTTON_SELECT
#define BEATBOX_PLAY BUTTON_ON
#define BEATBOX_STOP BUTTON_OFF
#define VAL_NONE 0
#define VAL_ENABLED 1
#define VAL_LOOP 2
#define H_NUMCELLS 24
#define V_NUMCELLS 8
#define HILIGHT_NONE 0
#define HILIGHT_PLAY 1
#define HILIGHT_USER 2
#define CELL_XSIZE 9
#define CELL_YSIZE 9
#define GRID_XPOS 2
#define GRID_YPOS 10
#define COLOR_NORMAL LCD_RGBPACK(0xFF,0xFF,0xFF)
#define COLOR_PLAY LCD_RGBPACK(0xFF,0xFF,0x00)
#define COLOR_DISABLED LCD_RGBPACK(0xA0,0xA0,0xA0)
#define COLOR_LOOPCELL LCD_RGBPACK(0xC0,0xC0,0xC0)
#define COLOR_EDIT LCD_RGBPACK(0x30,0x30,0xFF)
#define COLOR_GRID LCD_RGBPACK(0xD0,0xD0,0xD0)
#define EDITSTATE_PATTERN 0
int xCursor=0, yCursor=0;
int editState=EDITSTATE_PATTERN;
int playState=STATE_STOPPED, stepFlag=0;
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int retval = 0;
PLUGIN_IRAM_INIT(api)
rb = api;
rb->lcd_setfont(0);
#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
rb->cpu_boost(true);
#endif
#ifdef RB_PROFILE
rb->profile_thread();
#endif
if (initSynth(NULL, ROCKBOX_DIR "/patchset/patchset.cfg",
ROCKBOX_DIR "/patchset/drums.cfg") == -1)
{
printf("\nINIT ERROR\n");
return -1;
}
//#ifndef SIMULATOR
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
retval = beatboxmain();
#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
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(playState == STATE_PLAYING)
{
stepFlag=1;
}
currentSample=0;
}
}
}
unsigned char trackPos[V_NUMCELLS];
unsigned char trackData[H_NUMCELLS][V_NUMCELLS];
unsigned char trackMap[V_NUMCELLS] = {38, 39, 40, 41, 42, 43, 44, 45};
struct Cell
{
unsigned char val;
int color;
};
struct Cell pattern[H_NUMCELLS][V_NUMCELLS];
struct Cell dispPattern[H_NUMCELLS][V_NUMCELLS];
void advancePosition()
{
int i=0;
for(i=0; i<V_NUMCELLS; i++)
{
trackPos[i]++;
if(trackPos[i] == H_NUMCELLS || trackData[trackPos[i]][i] == VAL_LOOP)
trackPos[i]=0;
}
}
void sendEvents()
{
int i;
for(i=0; i<V_NUMCELLS; i++)
{
if(trackData[trackPos[i]][i] == VAL_ENABLED)
pressNote(9, trackMap[i], 127);
}
}
void updateDisplay()
{
int i, j;
int grayOut=0;
for(j=0; j<V_NUMCELLS; j++)
{
grayOut=0;
for(i=0; i<H_NUMCELLS; i++)
{
pattern[i][j].color = COLOR_NORMAL;
pattern[i][j].val = trackData[i][j];
if(trackPos[j] == i)
pattern[i][j].color = COLOR_PLAY;
if(grayOut)
pattern[i][j].color = COLOR_DISABLED;
if(trackData[i][j] == VAL_LOOP)
{
pattern[i][j].color = COLOR_LOOPCELL;
grayOut=1;
}
if(xCursor == i && yCursor == j && editState == EDITSTATE_PATTERN)
pattern[i][j].color = COLOR_EDIT;
}
}
}
void resetPosition()
{
int i;
for(i=0; i<V_NUMCELLS; i++)
trackPos[i]=0;
}
void clearCells()
{
int i,j;
for(i=0; i<H_NUMCELLS; i++)
for(j=0; j<V_NUMCELLS; j++)
{
pattern[i][j].val=VAL_NONE;
dispPattern[i][j].val=VAL_NONE;
pattern[i][j].color = 0;
dispPattern[i][j].color = 0;
}
}
void drawGrid()
{
int i, j;
rb->lcd_set_foreground(COLOR_GRID);
for(i=0; i<H_NUMCELLS+1; i++)
rb->lcd_vline(i*CELL_XSIZE+GRID_XPOS, GRID_YPOS, GRID_YPOS+CELL_YSIZE*V_NUMCELLS);
for(i=0; i<V_NUMCELLS+1; i++)
rb->lcd_hline(GRID_XPOS, GRID_XPOS+CELL_XSIZE*H_NUMCELLS, GRID_YPOS+i*CELL_YSIZE);
rb->lcd_update();
}
void drawCell(int i, int j)
{
int cellX, cellY;
cellX = GRID_XPOS + CELL_XSIZE*i+1;
cellY = GRID_YPOS + CELL_YSIZE*j+1;
rb->lcd_set_foreground(pattern[i][j].color);
rb->lcd_fillrect(cellX, cellY, CELL_XSIZE-1, CELL_YSIZE-1);
rb->lcd_set_foreground(0);
if(pattern[i][j].val == VAL_LOOP)
{
rb->lcd_drawline(cellX, cellY, cellX+CELL_XSIZE-2, cellY+CELL_YSIZE-2);
}
if(pattern[i][j].val == VAL_ENABLED)
{
rb->lcd_fillrect(cellX+1, cellY+1, CELL_XSIZE-3, CELL_YSIZE-3);
}
}
void redrawScreen(unsigned char force)
{
int i, j;
for(i=0; i<H_NUMCELLS; i++)
{
for(j=0; j<V_NUMCELLS; j++)
{
if(force || (pattern[i][j].val != dispPattern[i][j].val || pattern[i][j].color != dispPattern[i][j].color))
{
drawCell(i, j);
dispPattern[i][j].val = pattern[i][j].val;
dispPattern[i][j].color = pattern[i][j].color;
}
}
}
rb->lcd_update();
}
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 beatboxmain()
{
int vol=0;
numberOfSamples=44100/10;
synthbuf();
rb->pcm_play_data(&get_more, NULL, 0);
rb->lcd_set_background(0x000000);
rb->lcd_clear_display();
resetPosition();
int i, j;
trackData[16][3] = VAL_LOOP;
trackData[16][2] = VAL_LOOP;
trackData[0][3] = 1;
trackData[4][3] = 1;
trackData[8][3] = 1;
trackData[9][3] = 1;
trackData[12][3] = 1;
trackData[13][3] = 1;
trackData[2][2] = 1;
trackData[6][2] = 1;
trackData[10][2] = 1;
trackData[14][2] = 1;
drawGrid();
updateDisplay();
redrawScreen(1);
while(!quit)
{
#ifndef SYNC
synthbuf();
#endif
rb->yield();
if(stepFlag)
{
advancePosition();
sendEvents();
updateDisplay();
redrawScreen(0);
stepFlag=0;
}
/* 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_RIGHT:
{
//pressNote(9, 40, 127);
// resetPosition();
advancePosition();
sendEvents();
updateDisplay();
redrawScreen(0);
break;
}
case BUTTON_LEFT:
{
// isPlaying=1;
resetPosition();
updateDisplay();
redrawScreen(0);
//pressNote(9, 39, 127);
break;
}
*/
case BEATBOX_UP:
case BEATBOX_UP | BUTTON_REPEAT:
{
if(editState == EDITSTATE_PATTERN)
{
if(yCursor > 0)
{
yCursor--;
updateDisplay();
redrawScreen(0);
}
}
break;
}
case BEATBOX_DOWN:
case BEATBOX_DOWN | BUTTON_REPEAT:
{
if(editState == EDITSTATE_PATTERN)
{
if(yCursor < V_NUMCELLS-1)
{
yCursor++;
updateDisplay();
redrawScreen(0);
}
}
break;
}
case BEATBOX_LEFT:
case BEATBOX_LEFT | BUTTON_REPEAT:
{
if(editState == EDITSTATE_PATTERN)
{
if(xCursor > 0)
{
xCursor--;
updateDisplay();
redrawScreen(0);
}
}
break;
}
case BEATBOX_RIGHT:
case BEATBOX_RIGHT | BUTTON_REPEAT:
{
if(editState == EDITSTATE_PATTERN)
{
if(xCursor < H_NUMCELLS-1)
{
xCursor++;
updateDisplay();
redrawScreen(0);
}
}
break;
}
case BEATBOX_SELECT:
{
if(editState == EDITSTATE_PATTERN)
{
int cv = trackData[xCursor][yCursor];
cv++;
if(cv > VAL_LOOP)
cv = VAL_NONE;
trackData[xCursor][yCursor] = cv;
updateDisplay();
redrawScreen(0);
}
break;
}
case BEATBOX_PLAY:
{
if(playState == STATE_PLAYING)
playState = STATE_PAUSED;
else
{
updateDisplay();
redrawScreen(0);
sendEvents();
playState = STATE_PLAYING;
}
break;
}
case BEATBOX_STOP:
{
if(playState == STATE_STOPPED)
{
quit=1;
} else
{
playState =STATE_STOPPED;
resetPosition();
updateDisplay();
redrawScreen(0);
}
break;
}
}
}
return 0;
}

13
apps/plugins/midi/synth.c
View file

@ -88,6 +88,8 @@ int initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
patchUsed[0]=1;
/* Scan the file to see what needs to be loaded */
if(mf != NULL)
{
for(a=0; a<mf->numTracks; a++)
{
unsigned int ts=0;
@ -109,6 +111,13 @@ int initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
patchUsed[getEvent(mf->tracks[a], ts)->d1]=1;
}
}
} else
{
/* Initialize the whole drum set */
for(a=0; a<128; a++)
drumUsed[a]=1;
}
int file = rb->open(filename, O_RDONLY);
if(file < 0)
@ -289,7 +298,7 @@ signed short int synthVoice(struct SynthObject * so)
s2 = getSample((cpShifted)+1, wf);
/* LOOP_REVERSE|LOOP_PINGPONG = 24 */
if((wf->mode & (24)) && so->loopState == STATE_LOOPING && (cpShifted <= (wf->startLoop)))
if((wf->mode & (24)) && so->loopState == STATE_LOOPING && (cpShifted < (wf->startLoop)))
{
if(wf->mode & LOOP_REVERSE)
{
@ -304,7 +313,7 @@ signed short int synthVoice(struct SynthObject * so)
}
}
if((wf->mode & 28) && (cpShifted >= wf->endLoop))
if((wf->mode & 28) && (cpShifted > wf->endLoop))
{
so->loopState = STATE_LOOPING;
if((wf->mode & (24)) == 0)