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audio/paaudio: fix ignored buffer_length setting

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Audiodev configuration allows to set the length of the buffered data.
The setting was ignored and a constant value used instead.
This patch makes the code apply the setting properly, and uses the
previous default if nothing is supplied.

Signed-off-by: Martin Schrodt <martin@schrodt.org>
Message-id: 20190315084653.120020-2-martin@schrodt.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Martin Schrodt 2019-03-15 09:46:51 +01:00 committed by Gerd Hoffmann
parent d4e65539e5
commit baea032ec7
1 changed files with 21 additions and 3 deletions
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24
audio/paaudio.c
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@ -577,7 +577,8 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
audio_pcm_init_info (&hw->info, &obt_as);
hw->samples = pa->samples = audio_buffer_samples(
qapi_AudiodevPaPerDirectionOptions_base(ppdo), &obt_as, 46440);
qapi_AudiodevPaPerDirectionOptions_base(ppdo),
&obt_as, ppdo->buffer_length);
pa->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift);
pa->rpos = hw->rpos;
if (!pa->pcm_buf) {
@ -637,7 +638,8 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
audio_pcm_init_info (&hw->info, &obt_as);
hw->samples = pa->samples = audio_buffer_samples(
qapi_AudiodevPaPerDirectionOptions_base(ppdo), &obt_as, 46440);
qapi_AudiodevPaPerDirectionOptions_base(ppdo),
&obt_as, ppdo->buffer_length);
pa->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift);
pa->wpos = hw->wpos;
if (!pa->pcm_buf) {
@ -809,7 +811,16 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
return 0;
}
/* common */
static int qpa_validate_per_direction_opts(Audiodev *dev,
AudiodevPaPerDirectionOptions *pdo)
{
if (!pdo->has_buffer_length) {
pdo->has_buffer_length = true;
pdo->buffer_length = 46440;
}
return 1;
}
static void *qpa_audio_init(Audiodev *dev)
{
paaudio *g;
@ -836,6 +847,13 @@ static void *qpa_audio_init(Audiodev *dev)
g = g_malloc(sizeof(paaudio));
server = popts->has_server ? popts->server : NULL;
if (!qpa_validate_per_direction_opts(dev, popts->in)) {
goto fail;
}
if (!qpa_validate_per_direction_opts(dev, popts->out)) {
goto fail;
}
g->dev = dev;
g->mainloop = NULL;
g->context = NULL;