audio: bugfixes.

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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20200106-pull-request' into staging

audio: bugfixes.

# gpg: Signature made Mon 06 Jan 2020 12:51:15 GMT
# 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-20200106-pull-request:
  audio: fix integer overflow
  paaudio: wait until the recording stream is ready
  paaudio: try to drain the recording stream
  paaudio: drop recording stream in qpa_fini_in
  hda-codec: fix recording rate control
  hda-codec: fix playback rate control

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-01-06 16:48:35 +00:00
commit 5d11217645
3 changed files with 53 additions and 25 deletions

View file

@ -1738,7 +1738,7 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
if (dev->timer_period <= 0) {
s->period_ticks = 1;
} else {
s->period_ticks = dev->timer_period * SCALE_US;
s->period_ticks = dev->timer_period * (int64_t)SCALE_US;
}
e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s);

View file

@ -156,34 +156,48 @@ static size_t qpa_read(HWVoiceIn *hw, void *data, size_t length)
{
PAVoiceIn *p = (PAVoiceIn *) hw;
PAConnection *c = p->g->conn;
size_t l;
int r;
size_t total = 0;
pa_threaded_mainloop_lock(c->mainloop);
CHECK_DEAD_GOTO(c, p->stream, unlock_and_fail,
"pa_threaded_mainloop_lock failed\n");
if (!p->read_length) {
r = pa_stream_peek(p->stream, &p->read_data, &p->read_length);
CHECK_SUCCESS_GOTO(c, r == 0, unlock_and_fail,
"pa_stream_peek failed\n");
if (pa_stream_get_state(p->stream) != PA_STREAM_READY) {
/* wait for stream to become ready */
goto unlock;
}
l = MIN(p->read_length, length);
memcpy(data, p->read_data, l);
while (total < length) {
size_t l;
int r;
p->read_data += l;
p->read_length -= l;
if (!p->read_length) {
r = pa_stream_peek(p->stream, &p->read_data, &p->read_length);
CHECK_SUCCESS_GOTO(c, r == 0, unlock_and_fail,
"pa_stream_peek failed\n");
if (!p->read_length) {
/* buffer is empty */
break;
}
}
if (!p->read_length) {
r = pa_stream_drop(p->stream);
CHECK_SUCCESS_GOTO(c, r == 0, unlock_and_fail,
"pa_stream_drop failed\n");
l = MIN(p->read_length, length - total);
memcpy((char *)data + total, p->read_data, l);
p->read_data += l;
p->read_length -= l;
total += l;
if (!p->read_length) {
r = pa_stream_drop(p->stream);
CHECK_SUCCESS_GOTO(c, r == 0, unlock_and_fail,
"pa_stream_drop failed\n");
}
}
unlock:
pa_threaded_mainloop_unlock(c->mainloop);
return l;
return total;
unlock_and_fail:
pa_threaded_mainloop_unlock(c->mainloop);
@ -536,7 +550,6 @@ static void qpa_simple_disconnect(PAConnection *c, pa_stream *stream)
{
int err;
pa_threaded_mainloop_lock(c->mainloop);
/*
* wait until actually connects. workaround pa bug #247
* https://gitlab.freedesktop.org/pulseaudio/pulseaudio/issues/247
@ -550,7 +563,6 @@ static void qpa_simple_disconnect(PAConnection *c, pa_stream *stream)
dolog("Failed to disconnect! err=%d\n", err);
}
pa_stream_unref(stream);
pa_threaded_mainloop_unlock(c->mainloop);
}
static void qpa_fini_out (HWVoiceOut *hw)
@ -558,8 +570,12 @@ static void qpa_fini_out (HWVoiceOut *hw)
PAVoiceOut *pa = (PAVoiceOut *) hw;
if (pa->stream) {
qpa_simple_disconnect(pa->g->conn, pa->stream);
PAConnection *c = pa->g->conn;
pa_threaded_mainloop_lock(c->mainloop);
qpa_simple_disconnect(c, pa->stream);
pa->stream = NULL;
pa_threaded_mainloop_unlock(c->mainloop);
}
}
@ -568,8 +584,20 @@ static void qpa_fini_in (HWVoiceIn *hw)
PAVoiceIn *pa = (PAVoiceIn *) hw;
if (pa->stream) {
qpa_simple_disconnect(pa->g->conn, pa->stream);
PAConnection *c = pa->g->conn;
pa_threaded_mainloop_lock(c->mainloop);
if (pa->read_length) {
int r = pa_stream_drop(pa->stream);
if (r) {
qpa_logerr(pa_context_errno(c->context),
"pa_stream_drop failed\n");
}
pa->read_length = 0;
}
qpa_simple_disconnect(c, pa->stream);
pa->stream = NULL;
pa_threaded_mainloop_unlock(c->mainloop);
}
}

View file

@ -265,8 +265,6 @@ static void hda_audio_input_cb(void *opaque, int avail)
int64_t to_transfer = MIN(B_SIZE - (wpos - rpos), avail);
hda_timer_sync_adjust(st, -((wpos - rpos) + to_transfer - (B_SIZE >> 1)));
while (to_transfer) {
uint32_t start = (uint32_t) (wpos & B_MASK);
uint32_t chunk = (uint32_t) MIN(B_SIZE - start, to_transfer);
@ -278,6 +276,8 @@ static void hda_audio_input_cb(void *opaque, int avail)
break;
}
}
hda_timer_sync_adjust(st, -((wpos - rpos) - (B_SIZE >> 1)));
}
static void hda_audio_output_timer(void *opaque)
@ -338,8 +338,6 @@ static void hda_audio_output_cb(void *opaque, int avail)
return;
}
hda_timer_sync_adjust(st, (wpos - rpos) - to_transfer - (B_SIZE >> 1));
while (to_transfer) {
uint32_t start = (uint32_t) (rpos & B_MASK);
uint32_t chunk = (uint32_t) MIN(B_SIZE - start, to_transfer);
@ -351,6 +349,8 @@ static void hda_audio_output_cb(void *opaque, int avail)
break;
}
}
hda_timer_sync_adjust(st, (wpos - rpos) - (B_SIZE >> 1));
}
static void hda_audio_compat_input_cb(void *opaque, int avail)