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MIDI: Allow seeking forward and backward using the left/right keys. Currently seeks in 5 second

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increments, but this can be set to any amount. Also implemented a counter for playing time, which can 
pretty easily be used to determine the length of the file, in seconds, before playing it. The time 
isn't displayed anywhere right now, but all this can be useful if this thing is turned into a codec, or 
at least gets a nice UI.



git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15418 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Stepan Moskovchenko 2007-11-03 04:09:38 +00:00
parent dc58c3d92e
commit cd963d84ca
5 changed files with 110 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

23
apps/plugins/midi/sequencer.c
View file

@ -22,6 +22,8 @@
#include "synth.h"
extern struct plugin_api * rb;
extern int playingTime IBSS_ATTR;
extern int samplesThisSecond IBSS_ATTR;
long tempo=375000;
@ -239,7 +241,7 @@ inline void pressNote(int ch, int note, int vol)
{
if(drumSet[note]!=NULL)
{
if(note<35)
if(note<35)
printf("NOTE LESS THAN 35, AND A DRUM PATCH EXISTS FOR THIS? WHAT THE HELL?");
struct GWaveform * wf = drumSet[note]->waveforms[0];
@ -364,6 +366,16 @@ static void sendEvent(struct Event * ev)
}
}
void rewindFile()
{
int i=0;
for(i=0; i<mf->numTracks; i++)
{
mf->tracks[i]->delta = 0;
mf->tracks[i]->pos = 0;
}
}
int tick(void) ICODE_ATTR;
int tick(void)
{
@ -419,6 +431,15 @@ int tick(void)
}
}
samplesThisSecond += numberOfSamples;
while(samplesThisSecond >= SAMPLE_RATE)
{
samplesThisSecond -= SAMPLE_RATE;
playingTime++;
// printf("Time: %d sec\n", playingTime);
}
if(tracksAdv != 0)
return 1;
else