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audio: reintroduce default audio backend for VNC

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Make VNC use the default backend again if one is defined.
The recently introduced support for disabling the VNC audio
extension is still used, in case no default backend exists.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-10-05 18:42:54 +02:00
parent 22f84d4f78
commit 63a13c0805
4 changed files with 21 additions and 16 deletions
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28
audio/audio.c
View file

@ -1801,20 +1801,28 @@ out:
return NULL;
}
AudioState *audio_get_default_audio_state(Error **errp)
{
if (!default_audio_state) {
default_audio_state = audio_init(NULL, errp);
if (!default_audio_state) {
if (!QSIMPLEQ_EMPTY(&audiodevs)) {
error_append_hint(errp, "Perhaps you wanted to use -audio or set audiodev=%s?\n",
QSIMPLEQ_FIRST(&audiodevs)->dev->id);
}
}
}
return default_audio_state;
}
bool AUD_register_card (const char *name, QEMUSoundCard *card, Error **errp)
{
if (!card->state) {
if (!default_audio_state) {
default_audio_state = audio_init(NULL, errp);
if (!default_audio_state) {
if (!QSIMPLEQ_EMPTY(&audiodevs)) {
error_append_hint(errp, "Perhaps you wanted to use -audio or set audiodev=%s?\n",
QSIMPLEQ_FIRST(&audiodevs)->dev->id);
}
return false;
}
card->state = audio_get_default_audio_state(errp);
if (!card->state) {
return false;
}
card->state = default_audio_state;
}
card->name = g_strdup (name);

1
audio/audio.h
View file

@ -176,6 +176,7 @@ void audio_init_audiodevs(void);
void audio_help(void);
AudioState *audio_state_by_name(const char *name, Error **errp);
AudioState *audio_get_default_audio_state(Error **errp);
const char *audio_get_id(QEMUSoundCard *card);
#define DEFINE_AUDIO_PROPERTIES(_s, _f) \