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audio: second batch of -audiodev support, adding support for multiple backends.

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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20190821-pull-request' into staging

audio: second batch of -audiodev support, adding support for multiple backends.

# gpg: Signature made Wed 21 Aug 2019 09:40:37 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/audio-20190821-pull-request:
  audio: fix memory leak reported by ASAN
  audio: use size_t where makes sense
  audio: remove read and write pcm_ops
  paaudio: fix playback glitches
  audio: do not run each backend in audio_run
  audio: remove audio_MIN, audio_MAX
  paaudio: properly disconnect streams in fini_*
  paaudio: do not move stream when sink/source name is specified
  audio: audiodev= parameters no longer optional when -audiodev present
  paaudio: prepare for multiple audiodev
  audio: add audiodev properties to frontends
  audio: add audiodev property to vnc and wav_capture
  audio: basic support for multi backend audio
  audio: reduce glob_audio_state usage
  audio: Add missing fall through comments

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-08-21 15:18:50 +01:00
commit 33f18cf7dc
38 changed files with 794 additions and 655 deletions
Download patch file Download diff file Expand all files Collapse all files

57
hw/core/qdev-properties-system.c
View file

@ -11,6 +11,7 @@
*/
#include "qemu/osdep.h"
#include "audio/audio.h"
#include "net/net.h"
#include "hw/qdev-properties.h"
#include "qapi/error.h"
@ -353,6 +354,62 @@ const PropertyInfo qdev_prop_netdev = {
};
/* --- audiodev --- */
static void get_audiodev(Object *obj, Visitor *v, const char* name,
void *opaque, Error **errp)
{
DeviceState *dev = DEVICE(obj);
Property *prop = opaque;
QEMUSoundCard *card = qdev_get_prop_ptr(dev, prop);
char *p = g_strdup(audio_get_id(card));
visit_type_str(v, name, &p, errp);
g_free(p);
}
static void set_audiodev(Object *obj, Visitor *v, const char* name,
void *opaque, Error **errp)
{
DeviceState *dev = DEVICE(obj);
Property *prop = opaque;
QEMUSoundCard *card = qdev_get_prop_ptr(dev, prop);
AudioState *state;
Error *local_err = NULL;
int err = 0;
char *str;
if (dev->realized) {
qdev_prop_set_after_realize(dev, name, errp);
return;
}
visit_type_str(v, name, &str, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
state = audio_state_by_name(str);
if (!state) {
err = -ENOENT;
goto out;
}
card->state = state;
out:
error_set_from_qdev_prop_error(errp, err, dev, prop, str);
g_free(str);
}
const PropertyInfo qdev_prop_audiodev = {
.name = "str",
.description = "ID of an audiodev to use as a backend",
/* release done on shutdown */
.get = get_audiodev,
.set = set_audiodev,
};
void qdev_prop_set_drive(DeviceState *dev, const char *name,
BlockBackend *value, Error **errp)
{