claunia/libcdio-osx
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*.c: return status of operations. Exit code is set on operation failure.

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cdda-player.c: debug and verbose change libcdio loglevel verbosity.
This commit is contained in:
rocky
2005-03-15 12:22:37 +00:00
parent af71247d66
commit b6798f337e
2 changed files with 88 additions and 52 deletions
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56
example/audio.c
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@@ -1,5 +1,5 @@
/*
$Id: audio.c,v 1.1 2005/03/15 04:18:05 rocky Exp $
$Id: audio.c,v 1.2 2005/03/15 12:22:37 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -117,61 +117,76 @@ oops(const char *psz_msg, int rc)
/* ---------------------------------------------------------------------- */
/*! Stop playing audio CD */
static void
static bool
cd_stop(CdIo_t *p_cdio)
{
bool b_ok = true;
if (b_cd && p_cdio) {
i_last_audio_track = CDIO_INVALID_TRACK;
if (DRIVER_OP_SUCCESS != cdio_audio_stop(p_cdio))
b_ok = DRIVER_OP_SUCCESS == cdio_audio_stop(p_cdio);
if ( !b_ok )
xperror("stop");
}
return b_ok;
}
/*! Eject CD */
static void
static bool
cd_eject(void)
{
bool b_ok = true;
if (p_cdio) {
cd_stop(p_cdio);
if (DRIVER_OP_SUCCESS != cdio_eject_media(&p_cdio))
b_ok = DRIVER_OP_SUCCESS == cdio_eject_media(&p_cdio);
if (!b_ok)
xperror("eject");
b_cd = 0;
p_cdio = NULL;
}
return b_ok;
}
/*! Close CD tray */
static void
static bool
cd_close(const char *psz_device)
{
bool b_ok = true;
if (!b_cd) {
if (DRIVER_OP_SUCCESS != cdio_close_tray(psz_device, &driver_id))
b_ok = DRIVER_OP_SUCCESS == cdio_close_tray(psz_device, &driver_id);
if (!b_ok)
xperror("close");
}
return b_ok;
}
/*! Pause playing audio CD */
static void
static bool
cd_pause(CdIo_t *p_cdio)
{
if (sub.audio_status == CDIO_MMC_READ_SUB_ST_PLAY)
if (DRIVER_OP_SUCCESS != cdio_audio_pause(p_cdio))
bool b_ok = true;
if (sub.audio_status == CDIO_MMC_READ_SUB_ST_PLAY) {
b_ok = DRIVER_OP_SUCCESS == cdio_audio_pause(p_cdio);
if (!b_ok)
xperror("pause");
}
return b_ok;
}
/*! Get status/track/position info of an audio CD */
static void
static bool
read_subchannel(CdIo_t *p_cdio)
{
if (!b_cd) return;
bool b_ok = true;
if (!b_cd) return false;
sub.format = CDIO_CDROM_MSF;
if (DRIVER_OP_SUCCESS != cdio_audio_read_subchannel(p_cdio, &sub)) {
b_ok = DRIVER_OP_SUCCESS == cdio_audio_read_subchannel(p_cdio, &sub);
if (!b_ok) {
xperror("read subchannel");
b_cd = 0;
}
if (auto_mode && sub.audio_status == CDIO_MMC_READ_SUB_ST_COMPLETED)
cd_eject();
return b_ok;
}
/*! Read CD TOC and set CD information. */
@@ -286,8 +301,9 @@ usage(char *prog)
int
main(int argc, char *argv[])
{
int c, nostop=0;
char *h;
int c, nostop=0;
char *h;
int i_rc = 0;
psz_program = strrchr(argv[0],'/');
psz_program = psz_program ? psz_program+1 : argv[0];
@@ -386,7 +402,7 @@ main(int argc, char *argv[])
{
nostop=1;
if (EJECT_CD == todo) {
cd_eject();
i_rc = cd_eject() ? 0 : 1;
} else {
read_toc(p_cdio);
if (!b_cd) {
@@ -396,7 +412,7 @@ main(int argc, char *argv[])
if (b_cd)
switch (todo) {
case STOP_PLAYING:
cd_stop(p_cdio);
i_rc = cd_stop(p_cdio) ? 0 : 1;
break;
case EJECT_CD:
/* Should have been handled above. */
@@ -410,7 +426,7 @@ main(int argc, char *argv[])
play_track(1,CDIO_CDROM_LEADOUT_TRACK);
break;
case CLOSE_CD:
cdio_close_tray(psz_device, NULL);
i_rc = cdio_close_tray(psz_device, NULL) ? 0 : 1;
break;
}
else {
@@ -420,7 +436,7 @@ main(int argc, char *argv[])
}
if (!nostop) cd_stop(p_cdio);
oops("bye", 0);
oops("bye", i_rc);
return 0; /* keep compiler happy */
}