KlugyTools/Ecoute/src/playnote.c

93 lines
2.1 KiB
C

/*
* playnote.c
* ---------- 23 Fevrier 2005
*
* this subplayer is a personnal subplayer. Far back in the past,
* I've made a lot of softwares around sound synteses. The unique
* file format was 16bits, 2400samples/seconds and Intel endianism.
*
* Here is the player.
*/
#include <unistd.h>
#include <fcntl.h>
#include <ao/ao.h> /* for the sound output */
#include "ecoute.h"
/*==------------------------------------------------------------------==*/
int note_player(char *fname, WINDOW *popup)
{
int driver;
ao_sample_format format;
ao_device *device;
int lu, fd;
short *samples;
char chaine[100];
long taille, total;
/*
* file and memory stuff
*/
if ( NULL == (samples = malloc(T_BUFFER*sizeof(short))) )
{
perror("memory in note_player");
abort();
}
if ( 0 > (fd=open(fname, O_RDONLY)) )
{
perror(fname);
abort();
}
taille = taille_fichier(fd);
if (taille < 0) {
fprintf(stderr, "%s: size < 0 WTF?\n", __func__);
}
sprintf(chaine, "%10ld samples, %5ld seconds", taille/2, taille/(24000*2));
mvwaddstr(popup, 2, 2, chaine);
wrefresh(popup);
ao_initialize(); /* must be paired with ao_shutdown */
driver = ao_default_driver_id();
format.bits = 16;
format.channels = 1;
format.rate = 24000;
format.byte_format = AO_FMT_LITTLE; /* XXX ??? */
device = ao_open_live(driver, &format, NULL);
if (device == NULL)
{
fprintf(stderr, "\r\n%s: Error open device\n", __func__);
/* comment connaitre la cause de l'erreur ? */
abort();
}
/*
* +-------------------------------+
* | let's the show go on... |
* +-------------------------------+
*/
total = 0L;
while ( (lu=read(fd, samples, T_BUFFER)) > 0 )
{
#if DEBUG_LEVEL
sprintf(chaine, "%9ld Kb %-7d", total/1024, lu);
#else
sprintf(chaine, "%9ld Kb", total/1024);
#endif
mvwaddstr(popup, 5, 7, chaine); wrefresh(popup);
total += lu;
progress_bar(popup, total, taille, 0);
ao_play(device, (char *)samples, lu);
}
/*
* this is the end, my friends...
*/
free(samples);
ao_close(device);
ao_shutdown(); /* must be paired with ao_initialise */
return -1;
}
/*==------------------------------------------------------------------==*/