pedroediaz/cdplayer
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Add clang-format and gitignore

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This commit is contained in:
PedroEdiaz
2025-10-01 12:43:37 -06:00
parent 454c10bd99
commit 561652bc6a
4 changed files with 67 additions and 50 deletions
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15
.clang-format Normal file
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@@ -0,0 +1,15 @@
# Tabs
UseTab: ForContinuationAndIndentation #ForIndentation
# Sized
TabWidth: 8
IndentWidth: 8
ContinuationIndentWidth: 8
# Column Limit
ColumnLimit: 80
# Functions
AllowAllArgumentsOnNextLine: false
# Allman
BreakBeforeBraces: Allman

2
.gitignore vendored Normal file
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@@ -0,0 +1,2 @@
cdplayer
cdplayer.o

6
Makefile
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@@ -9,3 +9,9 @@ CFLAGS = -Itinyalsa/include
$(BIN): $(OBJ)
$(CC) $(OBJ) -o $(BIN)
fmt:
clang-format -i cdplayer.c
clean:
rm $(BIN) $(OBJ)

94
cdplayer.c
View File

@@ -1,9 +1,9 @@
#include <fcntl.h>
#include <unistd.h>
#include <fcntl.h>
#include <linux/cdrom.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <linux/cdrom.h>
#include <tinyalsa/pcm.h>
#include <unistd.h>
#define FRAMES 1
@@ -13,66 +13,60 @@
struct cdrom_read_audio sr;
void forward( int signum )
{
sr.addr.lba+=3600;
}
void forward(int signum) { sr.addr.lba += 3600; }
void backward( int signum )
{
sr.addr.lba-=3600;
}
void backward(int signum) { sr.addr.lba -= 3600; }
void weite_err( char * s )
void weite_err(char *s)
{
char * p;
p=s;
while( *p )
char *p;
p = s;
while (*p)
++p;
write( STDERR_FILENO, s, p-s );
write(STDERR_FILENO, s, p - s);
}
int main( int argc, char * argv[] )
int main(int argc, char *argv[])
{
int fdi, card=0, device=0;
struct pcm * pcm;
int fdi, card = 0, device = 0;
struct pcm *pcm;
struct pcm_config config;
char *msg, buff[SIZE*FRAMES];
char *msg, buff[SIZE * FRAMES];
struct sigaction f_action, b_action;
if( argc < 2 )
if (argc < 2)
{
weite_err( "Usage: " );
weite_err( argv[0] );
weite_err( "cdrom [card=0] [device=0]\n" );
weite_err("Usage: ");
weite_err(argv[0]);
weite_err("cdrom [card=0] [device=0]\n");
goto err0;
}
if( (fdi=open( argv[1] , O_RDONLY | O_NONBLOCK )) < 0 )
if ((fdi = open(argv[1], O_RDONLY | O_NONBLOCK)) < 0)
{
weite_err( "couldn't open input device " );
weite_err( argv[1] );
weite_err( " \n" );
weite_err("couldn't open input device ");
weite_err(argv[1]);
weite_err(" \n");
goto err0;
}
switch( ioctl( fdi, CDROM_DRIVE_STATUS, 0 ) )
switch (ioctl(fdi, CDROM_DRIVE_STATUS, 0))
{
case CDS_NO_DISC:
weite_err( "No disk\n" );
weite_err("No disk\n");
goto err1;
case CDS_DRIVE_NOT_READY:
weite_err( "Drive not ready\n" );
weite_err("Drive not ready\n");
goto err1;
case CDS_TRAY_OPEN:
weite_err( "Tray open\n" );
weite_err("Tray open\n");
goto err1;
case -1:
weite_err( "Error\n" );
weite_err("Error\n");
goto err1;
}
switch( argc )
switch (argc)
{
case 4:
device = *argv[3] - '0';
@@ -82,13 +76,13 @@ int main( int argc, char * argv[] )
/* Prepare signals */
{
f_action.sa_handler = forward ;
b_action.sa_handler = backward ;
f_action.sa_handler = forward;
b_action.sa_handler = backward;
sigaddset( &f_action.sa_mask, SIGUSR1 );
sigaddset( &b_action.sa_mask, SIGUSR2 );
sigaction( SIGUSR1, &f_action, NULL );
sigaction( SIGUSR2, &b_action, NULL );
sigaddset(&f_action.sa_mask, SIGUSR1);
sigaddset(&b_action.sa_mask, SIGUSR2);
sigaction(SIGUSR1, &f_action, NULL);
sigaction(SIGUSR2, &b_action, NULL);
}
/* config pcm */
@@ -100,8 +94,8 @@ int main( int argc, char * argv[] )
config.period_size = PERIOD;
config.period_count = COUNT;
config.start_threshold = PERIOD;
config.silence_threshold = PERIOD*COUNT;
config.stop_threshold = PERIOD*COUNT;
config.silence_threshold = PERIOD * COUNT;
config.stop_threshold = PERIOD * COUNT;
}
/* config sr */
@@ -111,20 +105,20 @@ int main( int argc, char * argv[] )
sr.addr_format = CDROM_LBA;
}
pcm = pcm_open( card, device, PCM_OUT , &config );
pcm = pcm_open(card, device, PCM_OUT, &config);
sr.addr.lba=0;
while( ioctl( fdi, CDROMREADAUDIO, &sr ) != -1 )
sr.addr.lba = 0;
while (ioctl(fdi, CDROMREADAUDIO, &sr) != -1)
{
pcm_writei( pcm, buff, SIZE*FRAMES/4 );
sr.addr.lba+=FRAMES;
pcm_writei(pcm, buff, SIZE * FRAMES / 4);
sr.addr.lba += FRAMES;
}
pcm_close( pcm );
close( fdi );
pcm_close(pcm);
close(fdi);
return 0;
err1:
close( fdi );
close(fdi);
err0:
return 1;
}