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Fix ALSA error when unpause on driver reinit.

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This commit is contained in:
Themaister 2013-06-05 20:51:57 +02:00
parent 6dd0839a01
commit 347fdaadce
1 changed files with 25 additions and 4 deletions
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29
audio/alsa.c
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@ -30,6 +30,7 @@ typedef struct alsa
bool nonblock;
bool has_float;
bool can_pause;
bool is_paused;
} alsa_t;
static bool alsa_use_float(void *data)
@ -194,8 +195,16 @@ static ssize_t alsa_write(void *data, const void *buf_, size_t size_)
static bool alsa_stop(void *data)
{
alsa_t *alsa = (alsa_t*)data;
if (alsa->can_pause)
return snd_pcm_pause(alsa->pcm, 1) == 0;
if (alsa->can_pause && !alsa->is_paused)
{
if (snd_pcm_pause(alsa->pcm, 1) == 0)
{
alsa->is_paused = true;
return true;
}
else
return false;
}
else
return true;
}
@ -209,8 +218,20 @@ static void alsa_set_nonblock_state(void *data, bool state)
static bool alsa_start(void *data)
{
alsa_t *alsa = (alsa_t*)data;
if (alsa->can_pause)
return snd_pcm_pause(alsa->pcm, 0) == 0;
if (alsa->can_pause && alsa->is_paused)
{
int ret = snd_pcm_pause(alsa->pcm, 0);
if (ret < 0)
{
RARCH_ERR("[ALSA]: Failed to unpause: %s.\n", snd_strerror(ret));
return false;
}
else
{
alsa->is_paused = false;
return true;
}
}
else
return true;
}