forked from len0rd/rockbox
Code cleanup, fix warnings, error checking, add midi2wav to viewers.config
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6304 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Stepan Moskovchenko
parent
19631f4552
commit
5811214b0c
8 changed files with 114 additions and 57 deletions
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@ -94,6 +94,14 @@ struct GPatch * gusload(char * filename)
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int file = rb->open(filename, O_RDONLY);
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if(file == -1)
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{
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char message[50];
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snprintf(message, 50, "Error opening %s", filename);
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rb->splash(HZ*2, true, message);
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return NULL;
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}
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gp->header=readData(file, 12);
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gp->gravisid=readData(file, 10);
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gp->desc=readData(file, 60);
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@ -17,7 +17,7 @@
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****************************************************************************/
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//This came from one of the Gravis documents
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const static unsigned int gustable[]=
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static const unsigned int gustable[]=
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{
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8175, 8661, 9177, 9722, 10300, 10913, 11562, 12249, 12978, 13750, 14567, 15433,
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16351, 17323, 18354, 19445, 20601, 21826, 23124, 24499, 25956, 27500, 29135, 30867,
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@ -185,7 +185,6 @@ struct Track * readTrack(int file)
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trk->pos = 0;
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trk->delta = 0;
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int len=0;
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int numEvents=0;
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int pos = rb->lseek(file, 0, SEEK_CUR);
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@ -269,6 +268,8 @@ int readVarData(int file)
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return(value);
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}
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/*
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//This function should not be needed because we
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//can just release the whole memory buffer at once
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void unloadFile(struct MIDIfile * mf)
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@ -296,10 +297,10 @@ void unloadFile(struct MIDIfile * mf)
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}
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free(mf); //Unload the main struct
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}
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*/
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void bail(const char * err)
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{
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printf("\nERROR: %s\n", err);
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rb->splash(HZ*3, true, err);
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exit(0);
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}
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@ -40,16 +40,18 @@
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#define CTRL_PANNING 10
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#define CHANNEL 1
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//Most of these are deprecated.. rampdown is used, maybe one other one too
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#define STATE_ATTACK 1
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#define STATE_DECAY 2
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#define STATE_SUSTAIN 3
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#define STATE_RELEASE 4
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#define STATE_RAMPDOWN 5
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//Loop states
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#define STATE_LOOPING 7
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#define STATE_NONLOOPING 8
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//Various bits in the GUS mode byte
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#define LOOP_ENABLED 4
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#define LOOP_PINGPONG 8
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#define LOOP_REVERSE 16
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@ -65,7 +67,8 @@ unsigned char chVol[16]; //Channel volume
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unsigned char chPanLeft[16]; //Channel panning
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unsigned char chPanRight[16];
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unsigned char chPat[16]; //Channel patch
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unsigned char chPW[16]; //Channel pitch wheel, MSB
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unsigned char chPW[16]; //Channel pitch wheel, MSB only
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struct GPatch * gusload(char *);
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struct GPatch * patchSet[128];
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@ -118,8 +121,19 @@ struct MIDIfile
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int numPatches;
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};
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void *my_malloc(int size);
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void sendEvent(struct Event * ev);
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int tick(struct MIDIfile * mf);
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inline void setPoint(struct SynthObject * so, int pt);
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struct Event * getEvent(struct Track * tr, int evNum);
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int readTwoBytes(int file);
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int readFourBytes(int file);
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int readVarData(int file);
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int midimain(void * filename);
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//Rick's code
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void *alloc(int size)
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{
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static char *offset = NULL;
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@ -143,7 +157,7 @@ void *alloc(int size)
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totalSize -= size + 4;
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return ret;
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}
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/*
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void *ralloc(char *offset, int len)
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{
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int size;
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@ -175,18 +189,13 @@ void *ralloc(char *offset, int len)
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return ret;
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}
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*/
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void * allocate(int size)
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{
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return alloc(size);
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}
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void sendEvent(struct Event * ev);
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int tick(struct MIDIfile * mf);
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inline void setPoint(struct SynthObject * so, int pt);
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struct Event * getEvent(struct Track * tr, int evNum);
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unsigned char readChar(int file)
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{
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char buf[2];
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@ -211,11 +220,9 @@ int eof(int fd)
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return size+1 == rb->lseek(fd, 0, SEEK_CUR);
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}
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void printf(char *fmt, ...) {}
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//#define my_malloc(a) malloc(a)
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void printf(char *fmt, ...) {fmt=fmt; }
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/*
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void *audio_bufferbase;
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void *audio_bufferpointer;
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unsigned int audio_buffer_free;
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@ -252,11 +259,8 @@ void setmallocpos(void *pointer)
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audio_bufferpointer = pointer;
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audio_buffer_free = audio_bufferpointer - audio_bufferbase;
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}
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*/
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void exit(int code)
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{
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code = code; //Stub function, kill warning for now
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}
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void free(void * ptr)
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{
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}
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@ -242,7 +242,7 @@ void sendEvent(struct Event * ev)
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int tick(struct MIDIfile * mf)
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{
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if(mf==NULL)
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return;
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return 0;
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int a=0;
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int tracksAdv=0;
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@ -49,7 +49,7 @@ void readTextBlock(int file, char * buf)
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//Filename is the name of the config file
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//The MIDI file should have been loaded at this point
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void initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
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int initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
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{
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char patchUsed[128];
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char drumUsed[128];
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@ -92,8 +92,8 @@ void initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
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if(mf->tracks[a] == NULL)
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{
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printf("\nNULL TRACK !!!");
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exit(1);
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return;
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rb->splash(HZ*2, true, "Null Track in loader.");
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return -1;
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}
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for(ts=0; ts<mf->tracks[a]->numEvents; ts++)
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@ -112,29 +112,43 @@ void initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
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}
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int file = rb->open(filename, O_RDONLY);
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if(file == -1)
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{
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rb->splash(HZ*2, true, "Bad patch config.\nDid you install the patchset?");
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return -1;
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}
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char name[30];
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char fn[30];
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char name[40];
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char fn[40];
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//Scan our config file and load the right patches as needed
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int c = 0;
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rb->snprintf(name, 30, "");
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rb->snprintf(name, 40, "");
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for(a=0; a<128; a++)
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{
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while(readChar(file)!=' ' && !eof(file));
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readTextBlock(file, name);
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rb->snprintf(fn, 30, "/patchset/%s.pat", name);
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rb->snprintf(fn, 40, "/.rockbox/patchset/%s.pat", name);
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printf("\nLOADING: <%s> ", fn);
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if(patchUsed[a]==1)
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patchSet[a]=gusload(fn);
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// if(patchSet[a] == NULL)
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// return -1;
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while((c != '\n'))
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c = readChar(file);
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}
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rb->close(file);
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file = rb->open(drumConfig, O_RDONLY);
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if(file == -1)
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{
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rb->splash(HZ*2, true, "Bad drum config.\nDid you install the patchset?");
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return -1;
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}
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//Scan our config file and load the drum data
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int idx=0;
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@ -143,7 +157,7 @@ void initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
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{
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readTextBlock(file, number);
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readTextBlock(file, name);
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rb->snprintf(fn, 30, "/patchset/%s.pat", name);
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rb->snprintf(fn, 40, "/.rockbox/patchset/%s.pat", name);
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idx = rb->atoi(number);
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if(idx == 0)
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@ -151,13 +165,15 @@ void initSynth(struct MIDIfile * mf, char * filename, char * drumConfig)
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if(drumUsed[idx]==1)
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drumSet[idx]=gusload(fn);
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// if(drumSet[idx] == NULL)
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// return -1;
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while((c != '\n') && (c != 255) && (!eof(file)))
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{
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printf("loop");
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c = readChar(file);
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}
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}
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rb->close(file);
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return 0;
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}
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@ -19,13 +19,17 @@
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#define SAMPLE_RATE 48000
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#define MAX_VOICES 100
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/* This is for writing to the DSP directly from the Simulator
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/*
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#if defined(SIMULATOR)
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// This is for writing to the DSP directly from the Simulator
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#include <stdio.h>
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#include <stdlib.h>
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#include <linux/soundcard.h>
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#include <sys/ioctl.h>
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#endif
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*/
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#include "../../plugin.h"
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#include "midi/midiutil.c"
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#include "midi/guspat.h"
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@ -47,23 +51,56 @@ struct plugin_api * rb;
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enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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{
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TEST_PLUGIN_API(api);
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(void)parameter;
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rb = api;
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rb->splash(HZ*2, true, "MIDI");
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midimain();
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rb->splash(HZ*2, true, "FINISHED PLAYING");
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return PLUGIN_OK;
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TEST_PLUGIN_API(api);
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rb = api;
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TEST_PLUGIN_API(api);
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(void)parameter;
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rb = api;
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if(parameter == NULL)
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{
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rb->splash(HZ*2, true, " Play .MID file ");
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return PLUGIN_OK;
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}
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rb->splash(HZ, true, parameter);
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if(midimain(parameter) == -1)
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{
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return PLUGIN_ERROR;
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}
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rb->splash(HZ*3, true, "FINISHED PLAYING");
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return PLUGIN_OK;
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}
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int midimain()
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int midimain(void * filename)
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{
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rb->splash(HZ*2, true, "OPENED DSP");
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printf("\nHello.\n");
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rb->splash(HZ/5, true, "LOADING MIDI");
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struct MIDIfile * mf = loadFile(filename);
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long bpm, nsmp, l;
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int bp=0;
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rb->splash(HZ/5, true, "LOADING PATCHES");
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if (initSynth(mf, "/.rockbox/patchset/patchset.cfg", "/.rockbox/patchset/drums.cfg") == -1)
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{
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return -1;
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}
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fd=rb->open("/dsp.raw", O_WRONLY|O_CREAT);
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/*
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//This lets you hear the music through the sound card if you are on Simulator
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//Make a symlink, archos/dsp.raw and make it point to /dev/dsp or whatever
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//your sound device is.
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#if defined(SIMULATOR)
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int arg, status;
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int bit, samp, ch;
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@ -82,24 +119,14 @@ int midimain()
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status = ioctl(fd, SOUND_PCM_WRITE_RATE, &arg);
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status = ioctl(fd, SOUND_PCM_READ_RATE, &arg);
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samp=arg;
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#endif
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*/
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printf("\nHello.\n");
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// initSound(); //Open the computer's sound card
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int a=0;
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rb->splash(HZ*2, true, "LOADING MIDI");
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rb->splash(HZ/5, true, " START PLAYING ");
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struct MIDIfile * mf = loadFile("/test.mid");
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rb->splash(HZ*2, true, "LOADED MIDI");
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long bpm, nsmp, l;
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int bp=0;
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rb->splash(HZ*2, true, "LOADING PATCHES");
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initSynth(mf, "/iriver2.cfg", "/drums.cfg"); //Initialize the MIDI syntehsizer
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rb->splash(HZ*2, true, "START PLAYING");
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signed char buf[3000];
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@ -17,3 +17,4 @@ ogg,vorbis2wav.rock, 00 00 00 00 00 00
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wv,wv2wav.rock, 00 00 00 00 00 00
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m3u,iriverify.rock,00 00 00 00 00 00
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mpc,mpc2wav.rock, 00 00 00 00 00 00
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mid,midi2wav.rock, 01 20 30 40 50 60
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