add recording, etc. hooks.
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Laptop
parent
945df1897a
commit
dbfa6d001b
170
RecorderPlugin.c
Normal file
170
RecorderPlugin.c
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#include "outdrivers.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <ctype.h>
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#include <string.h>
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#include "parameters.h"
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#include "hook.h"
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struct RecorderPlugin
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{
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int is_recording;
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int sps;
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char In_Filename[PARAM_BUFF];
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char Out_Filename[PARAM_BUFF];
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int DunBoop;
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int BypassLength;
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int TimeSinceStart;
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FILE * fRec;
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FILE * fPlay;
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};
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void StopRecording( struct RecorderPlugin * rp )
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{
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if( !rp->is_recording ) return;
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rp->TimeSinceStart = 0;
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rp->DunBoop = 0;
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fclose( rp->fRec );
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fclose( rp->fPlay );
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rp->is_recording = 0;
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rp->fRec = 0;
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rp->fPlay = 0;
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}
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void StartRecording( struct RecorderPlugin * rp )
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{
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if( rp->is_recording ) return;
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rp->TimeSinceStart = 0;
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rp->DunBoop = 0;
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rp->is_recording = 1;
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if( rp->In_Filename[0] == 0 )
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{
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//Nothing
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rp->fPlay = 0;
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}
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else
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{
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rp->fPlay = fopen( rp->In_Filename, "rb" );
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if( !rp->fPlay )
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{
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fprintf( stderr, "Warning: Could not play filename: %s\n", rp->In_Filename );
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}
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}
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if( rp->Out_Filename[0] == 0 )
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{
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//Nothing
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rp->fRec = 0;
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}
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else
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{
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int i;
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for( i = 0; i < 999; i++ )
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{
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char cts[1024];
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if( i == 0 )
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{
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snprintf( cts, 1023, "%s", rp->Out_Filename );
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}
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else
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{
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snprintf( cts, 1023, "%s.%03d", rp->Out_Filename, i );
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}
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rp->fRec = fopen( cts, "wb" );
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if( rp->fRec ) break;
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}
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}
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}
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static void RecordEvent(void * v, int samples, float * samps, int channel_ct)
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{
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struct RecorderPlugin * rp = (struct RecorderPlugin*)v;
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if( !rp->fRec || !rp->is_recording ) return;
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if( rp->DunBoop || !rp->fPlay )
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{
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int r = fwrite( samps, channel_ct * sizeof( float ), samples, rp->fRec );
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if( r != samples )
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{
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StopRecording( rp );
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}
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}
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}
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static void PlaybackEvent(void * v, int samples, float * samps, int channel_ct)
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{
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struct RecorderPlugin * rp = (struct RecorderPlugin*)v;
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if( !rp->fPlay ) return;
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if( rp->TimeSinceStart < rp->BypassLength )
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{
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int r = fread( samps, channel_ct * sizeof( float ), samples, rp->fPlay );
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if( r != samples )
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{
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StopRecording( rp );
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}
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rp->TimeSinceStart += samples;
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if( rp->TimeSinceStart > rp->BypassLength )
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{
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rp->DunBoop = 1;
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}
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else
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{
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int r = fwrite( samps, channel_ct * sizeof( float ), samples, rp->fRec );
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if( r != samples )
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{
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StopRecording( rp );
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}
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}
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}
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}
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static void MKeyEvent( void * v, int keycode, int down )
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{
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struct RecorderPlugin * rp = (struct RecorderPlugin*)v;
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char c = toupper( keycode );
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if( c == 'R' && down && !rp->is_recording ) StartRecording( rp );
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if( c == 'S' && down && rp->is_recording ) StopRecording( rp );
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}
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static void DPOUpdate(void * id, struct NoteFinder*nf)
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{
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//Do nothing, happens every frame.
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}
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static void DPOParams(void * id )
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{
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struct RecorderPlugin * d = (struct RecorderPlugin*)id;
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d->sps = 0; RegisterValue( "samplerate", PAINT, &d->sps, sizeof( d->sps ) );
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}
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static struct DriverInstances * RecorderPlugin(const char * parameters)
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{
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struct DriverInstances * ret = malloc( sizeof( struct DriverInstances ) );
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struct RecorderPlugin * rp = ret->id = malloc( sizeof( struct RecorderPlugin ) );
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memset( rp, 0, sizeof( struct RecorderPlugin ) );
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ret->Func = DPOUpdate;
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ret->Params = DPOParams;
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DPOParams( rp );
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HookKeyEvent( MKeyEvent, rp );
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HookSoundInEvent( RecordEvent, rp, 0 );
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HookSoundInEvent( PlaybackEvent, rp, 1 );
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return ret;
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}
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REGISTER_OUT_DRIVER(RecorderPlugin);
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100
hook.c
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100
hook.c
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@ -0,0 +1,100 @@
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#include "hook.h"
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struct KeyEvent
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{
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void (*KeyE)( void * v, int key, int down );
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void * v;
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} KeyEvents[MAX_KEY_EVENTS];
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void KeyHappened( int key, int down )
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{
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int i;
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for( i = 0; i < MAX_KEY_EVENTS; i++ )
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{
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if( KeyEvents[i].KeyE )
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KeyEvents[i].KeyE( KeyEvents[i].v, key, down );
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}
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}
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void HookKeyEvent( void (*KeyE)( void * v, int key, int down ), void * v )
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{
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int i;
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for( i = 0; i < MAX_KEY_EVENTS; i++ )
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{
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if( !KeyEvents[i].KeyE )
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{
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KeyEvents[i].KeyE = KeyE;
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KeyEvents[i].v = v;
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}
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}
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}
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void UnhookKeyEvent( void (*KeyE)( void * v, int key, int down ), void * v )
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{
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int i;
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for( i = 0; i < MAX_KEY_EVENTS; i++ )
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{
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if( KeyEvents[i].KeyE == KeyE && KeyEvents[i].v == v )
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{
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KeyEvents[i].KeyE = 0;
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KeyEvents[i].v = 0;
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}
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}
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}
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struct SoundEvent
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{
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void (*SoundE)( void * v, int samples, float * samps, int channel_ct );
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void * v;
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};
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struct SoundEvent SoundEvents[2][MAX_SOUND_EVENTS];
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void SoundEventHappened( int samples, float * samps, int is_out, int channel_ct )
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{
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int i;
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for( i = 0; i < MAX_SOUND_EVENTS; i++ )
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{
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if( SoundEvents[is_out][i].SoundE )
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{
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printf( "%d\n", i );
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SoundEvents[is_out][i].SoundE( SoundEvents[is_out][i].v, samples, samps, channel_ct );
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}
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}
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}
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void HookSoundInEvent( void (*SoundE)( void * v, int samples, float * samps, int channel_ct ), void * v, int is_out )
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{
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int i;
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for( i = 0; i < MAX_SOUND_EVENTS; i++ )
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{
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if( !SoundEvents[is_out][i].SoundE )
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{
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SoundEvents[is_out][i].SoundE = SoundE;
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SoundEvents[is_out][i].v = v;
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}
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}
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}
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void UnhookSoundInEvent( void (*SoundE)( void * v, int samples, float * samps, int channel_ct ), void * v, int is_out )
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{
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int i;
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for( i = 0; i < MAX_SOUND_EVENTS; i++ )
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{
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if( SoundEvents[is_out][i].SoundE == SoundE && SoundEvents[is_out][i].v == v )
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{
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SoundEvents[is_out][i].SoundE = 0;
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SoundEvents[is_out][i].v = 0;
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}
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}
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}
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18
hook.h
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18
hook.h
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#ifndef _KEYHOOK_H
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#define _KEYHOOK_H
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#define MAX_KEY_EVENTS 16
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#define MAX_SOUND_EVENTS 16
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void KeyHappened( int key, int down );
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void HookKeyEvent( void (*KeyEvent)( void * v, int key, int down ), void * v );
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void UnhookKeyEvent( void (*KeyEvent)( void * v, int key, int down ), void * v );
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void SoundEventHappened( int samples, float * samps, int channel_ct, int is_out );
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void HookSoundInEvent( void (*SoundE)( void * v, int samples, float * samps, int channel_ct ), void * v, int is_out );
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void UnhookSoundInEvent( void (*SoundE)( void * v, int samples, float * samps, int channel_ct ), void * v, int is_out );
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#endif
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