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audio: extend -audio to allow creating a default backend

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If "-audio BACKEND" is used without a model, the resulting backend
will be used whenever the audiodev property is not specified.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-09-21 10:23:58 +02:00
parent 8f527a3c0d
commit 1ebdbff4c3
3 changed files with 37 additions and 21 deletions
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2
audio/audio.c
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@ -1820,7 +1820,7 @@ bool AUD_register_card (const char *name, QEMUSoundCard *card, Error **errp)
card->state = audio_init(NULL, errp);
if (!card->state) {
if (!QSIMPLEQ_EMPTY(&audiodevs)) {
error_append_hint(errp, "Perhaps you wanted to set audiodev=%s?\n",
error_append_hint(errp, "Perhaps you wanted to use -audio or set audiodev=%s?\n",
QSIMPLEQ_FIRST(&audiodevs)->dev->id);
}
return false;