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Wavview plugin: minor speed increase

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13111 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Peter D'Hoye 2007-04-11 21:24:33 +00:00
parent fad79dc636
commit 81cf65e496
1 changed files with 11 additions and 10 deletions
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21
apps/plugins/wavview.c
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@ -102,18 +102,19 @@ void little_endian_to_native (void *data, char *format)
store peak info in aufiobuf for display routine */ store peak info in aufiobuf for display routine */
static int readwavpeaks(char *filename) static int readwavpeaks(char *filename)
{ {
register uint32_t bytes_read;
register uint32_t fppmp_count;
register int16_t sampleval;
register uint16_t* sampleshort = NULL;
int file; int file;
uint32_t total_bytes_read = 0; uint32_t total_bytes_read = 0;
char tstr[128]; char tstr[128];
int hours; int hours;
int minutes; int minutes;
int seconds; int seconds;
uint32_t bytes_read;
uint32_t peakcount = 0; uint32_t peakcount = 0;
uint16_t* sampleshort = NULL;
int16_t sampleval;
struct peakstruct* peak = NULL; struct peakstruct* peak = NULL;
uint32_t fppmp_count;
if(rb->strcasecmp (filename + rb->strlen (filename) - 3, "wav")) if(rb->strcasecmp (filename + rb->strlen (filename) - 3, "wav"))
{ {
@ -270,12 +271,12 @@ static int readwavpeaks(char *filename)
int displaypeaks(void) int displaypeaks(void)
{ {
int x = 0; register int x = 0;
int lymin = INT_MAX; register int lymin = INT_MAX;
int lymax = INT_MIN; register int lymax = INT_MIN;
int rymin = INT_MAX; register int rymin = INT_MAX;
int rymax = INT_MIN; register int rymax = INT_MIN;
unsigned int peakcount = 0; register unsigned int peakcount = 0;
struct peakstruct* peak = (struct peakstruct*)audiobuf + leftmargin; struct peakstruct* peak = (struct peakstruct*)audiobuf + leftmargin;
#if LCD_DEPTH > 1 #if LCD_DEPTH > 1