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Style changes and contribution guidelines

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This commit is contained in:
Jarcode
2018-10-26 18:35:29 -07:00
parent 3da1fb34dd
commit 386d32076c
8 changed files with 477 additions and 451 deletions
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58
fifo.c
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@@ -10,10 +10,8 @@
#include "fifo.h"
//input: FIFO
void* input_fifo(void* data)
{
struct audio_data *audio = (struct audio_data *)data;
void* input_fifo(void* data) {
struct audio_data* audio = (struct audio_data *) data;
int fd;
int n = 0;
signed char buf[1024];
@@ -28,12 +26,11 @@ void* input_fifo(void* data)
fd = open(audio->source, O_RDONLY);
flags = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
while (1) {
bytes = read(fd, buf, sizeof(buf));
if (bytes == -1) { //if no bytes read sleep 10ms and zero shared buffer
if (bytes == -1) { /* if no bytes read, sleep 10ms and zero shared buffer */
nanosleep (&req, NULL);
t++;
if (t > 10) {
@@ -41,46 +38,43 @@ void* input_fifo(void* data)
for (i = 0; i < 2048; i++)audio->audio_out_r[i] = 0;
t = 0;
}
} else { //if bytes read go ahead
} else { /* if bytes read, go ahead */
t = 0;
for (q = 0; q < (size / 4); q++) {
tempr = ( buf[ 4 * q + 3] << 2);
lo = ( buf[4 * q + 2] >> 6);
if (lo < 0)lo = abs(lo) + 1;
if (tempr >= 0)tempr = tempr + lo;
tempr = (buf[4 * q + 3] << 2);
lo = (buf[4 * q + 2] >> 6);
if (lo < 0) lo = abs(lo) + 1;
if (tempr >= 0) tempr = tempr + lo;
else tempr = tempr - lo;
templ = ( buf[ 4 * q + 1] << 2);
lo = ( buf[ 4 * q] >> 6);
if (lo < 0)lo = abs(lo) + 1;
if (templ >= 0)templ = templ + lo;
templ = (buf[4 * q + 1] << 2);
lo = (buf[4 * q] >> 6);
if (lo < 0) lo = abs(lo) + 1;
if (templ >= 0) templ = templ + lo;
else templ = templ - lo;
if (audio->channels == 1) audio->audio_out_l[n] = (tempr +
templ) /
2;
//stereo storing channels in buffer
if (audio->channels == 1) audio->audio_out_l[n] = (tempr + templ) / 2;
/* stereo storing channels in buffer */
if (audio->channels == 2) {
audio->audio_out_l[n] = templ;
audio->audio_out_r[n] = tempr;
}
n++;
if (n == 2048 - 1)n = 0;
}
}
if (audio->terminate == 1) {
close(fd);
break;
}
}
return 0;
}