Revision 0d9acba8 audio/audio.c
| b/audio/audio.c | ||
|---|---|---|
| 1711 | 1711 |
const char *drvname; |
| 1712 | 1712 |
AudioState *s = &glob_audio_state; |
| 1713 | 1713 |
|
| 1714 |
if (s->drv) {
|
|
| 1715 |
return s; |
|
| 1716 |
} |
|
| 1717 |
|
|
| 1714 | 1718 |
LIST_INIT (&s->hw_head_out); |
| 1715 | 1719 |
LIST_INIT (&s->hw_head_in); |
| 1716 | 1720 |
LIST_INIT (&s->cap_head); |
| ... | ... | |
| 1718 | 1722 |
|
| 1719 | 1723 |
s->ts = qemu_new_timer (vm_clock, audio_timer, s); |
| 1720 | 1724 |
if (!s->ts) {
|
| 1721 |
dolog ("Could not create audio timer\n");
|
|
| 1722 |
return NULL; |
|
| 1725 |
hw_error("Could not create audio timer\n");
|
|
| 1723 | 1726 |
} |
| 1724 | 1727 |
|
| 1725 | 1728 |
audio_process_options ("AUDIO", audio_options);
|
| ... | ... | |
| 1772 | 1775 |
if (!done) {
|
| 1773 | 1776 |
done = !audio_driver_init (s, &no_audio_driver); |
| 1774 | 1777 |
if (!done) {
|
| 1775 |
dolog ("Could not initialize audio subsystem\n");
|
|
| 1778 |
hw_error("Could not initialize audio subsystem\n");
|
|
| 1776 | 1779 |
} |
| 1777 | 1780 |
else {
|
| 1778 | 1781 |
dolog ("warning: Using timer based audio emulation\n");
|
| 1779 | 1782 |
} |
| 1780 | 1783 |
} |
| 1781 | 1784 |
|
| 1782 |
if (done) {
|
|
| 1783 |
VMChangeStateEntry *e; |
|
| 1784 |
|
|
| 1785 |
if (conf.period.hertz <= 0) {
|
|
| 1786 |
if (conf.period.hertz < 0) {
|
|
| 1787 |
dolog ("warning: Timer period is negative - %d "
|
|
| 1788 |
"treating as zero\n", |
|
| 1789 |
conf.period.hertz); |
|
| 1790 |
} |
|
| 1791 |
conf.period.ticks = 1; |
|
| 1792 |
} |
|
| 1793 |
else {
|
|
| 1794 |
conf.period.ticks = ticks_per_sec / conf.period.hertz; |
|
| 1795 |
} |
|
| 1785 |
VMChangeStateEntry *e; |
|
| 1796 | 1786 |
|
| 1797 |
e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
|
| 1798 |
if (!e) {
|
|
| 1799 |
dolog ("warning: Could not register change state handler\n"
|
|
| 1800 |
"(Audio can continue looping even after stopping the VM)\n"); |
|
| 1787 |
if (conf.period.hertz <= 0) {
|
|
| 1788 |
if (conf.period.hertz < 0) {
|
|
| 1789 |
dolog ("warning: Timer period is negative - %d "
|
|
| 1790 |
"treating as zero\n", |
|
| 1791 |
conf.period.hertz); |
|
| 1801 | 1792 |
} |
| 1793 |
conf.period.ticks = 1; |
|
| 1794 |
} else {
|
|
| 1795 |
conf.period.ticks = ticks_per_sec / conf.period.hertz; |
|
| 1802 | 1796 |
} |
| 1803 |
else {
|
|
| 1804 |
qemu_del_timer (s->ts); |
|
| 1805 |
return NULL; |
|
| 1797 |
|
|
| 1798 |
e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
|
| 1799 |
if (!e) {
|
|
| 1800 |
dolog ("warning: Could not register change state handler\n"
|
|
| 1801 |
"(Audio can continue looping even after stopping the VM)\n"); |
|
| 1806 | 1802 |
} |
| 1807 | 1803 |
|
| 1808 | 1804 |
LIST_INIT (&s->card_head); |
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