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(ALSA QSA) Implement audio_stop/audio_start (for both BB10/Playbook)

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This commit is contained in:
twinaphex 2013-06-21 21:36:19 +02:00
parent 48a6ee4c82
commit 85af04c4d0
2 changed files with 83 additions and 25 deletions
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100
blackberry-qnx/alsa_qsa.c
View File

@ -93,8 +93,8 @@ static void *alsa_qsa_init(const char *device, unsigned rate, unsigned latency)
goto error;
}
alsa->buffer_size = setup.buf.block.frag_size * 19;
RARCH_LOG("ALSA buffer size: %d\n", alsa->buffer_size);
alsa->buffer_size = setup.buf.block.frag_size * 19; /* is this in bytes? */
RARCH_LOG("[ALSA QSA]: buffer size: %d bytes (?)\n", alsa->buffer_size);
if ((err = snd_pcm_plugin_prepare(alsa->pcm, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
@ -103,6 +103,10 @@ static void *alsa_qsa_init(const char *device, unsigned rate, unsigned latency)
}
alsa->has_float = false;
#ifdef HAVE_BB10
alsa->can_pause = true;
#endif
RARCH_LOG("[ALSA QSA]: Can pause: %s.\n", alsa->can_pause ? "yes" : "no");
return alsa;
@ -110,16 +114,6 @@ error:
return (void*)-1;
}
static void alsa_qsa_free(void *data)
{
alsa_t *alsa = (alsa_t*)data;
if (alsa->pcm != NULL)
{
snd_pcm_close(alsa->pcm);
alsa->pcm = NULL;
}
}
static ssize_t alsa_qsa_write(void *data, const void *buf, size_t size)
{
@ -142,16 +136,20 @@ static bool alsa_qsa_stop(void *data)
if (alsa->can_pause && !alsa->is_paused)
{
/* TODO */
return false;
#ifdef HAVE_BB10
if (snd_pcm_playback_pause(alsa->pcm) == 0)
#else
if (snd_pcm_plugin_flush(alsa->pcm, SND_PCM_CHANNEL_PLAYBACK) == 0)
#endif
{
alsa->is_paused = true;
return true;
}
else
return false;
}
else return true;
}
static bool alsa_qsa_start(void *data)
{
(void)data;
return true;
else
return true;
}
static void alsa_qsa_set_nonblock_state(void *data, bool state)
@ -170,12 +168,70 @@ static void alsa_qsa_set_nonblock_state(void *data, bool state)
alsa->nonblock = state;
}
static bool alsa_qsa_start(void *data)
{
alsa_t *alsa = (alsa_t*)data;
if (alsa->can_pause && alsa->is_paused)
{
#ifdef HAVE_BB10
int ret = snd_pcm_playback_resume(alsa->pcm);
#else
int ret = 0;
#endif
if (ret < 0)
{
RARCH_ERR("[ALSA QSA]: Failed to unpause: %s.\n", snd_strerror(ret));
return false;
}
else
{
alsa->is_paused = false;
return true;
}
}
else
return true;
}
static bool alsa_qsa_use_float(void *data)
{
alsa_t *alsa = (alsa_t*)data;
return alsa->has_float;
}
static void alsa_qsa_free(void *data)
{
alsa_t *alsa = (alsa_t*)data;
if (alsa)
{
if (alsa->pcm)
{
snd_pcm_close(alsa->pcm);
alsa->pcm = NULL;
}
free(alsa);
}
}
static size_t alsa_qsa_write_avail(void *data)
{
alsa_t *alsa = (alsa_t*)data;
snd_pcm_channel_status_t status = {0};
snd_pcm_plugin_status(alsa->pcm, &status);
return status.count;
}
static size_t alsa_qsa_buffer_size(void *data)
{
alsa_t *alsa = (alsa_t*)data;
return alsa->buffer_size;
}
const audio_driver_t audio_alsa = {
alsa_qsa_init,
alsa_qsa_write,
@ -185,4 +241,6 @@ const audio_driver_t audio_alsa = {
alsa_qsa_free,
alsa_qsa_use_float,
"alsa",
alsa_qsa_write_avail,
alsa_qsa_buffer_size,
};

8
blackberry-qnx/playbook/.cproject
View File

@ -44,7 +44,7 @@
<listOptionValue builtIn="false" value="HAVE_ZLIB"/>
<listOptionValue builtIn="false" value="__BLACKBERRY_QNX__"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9-wip3\&quot;"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9.3\&quot;"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES2"/>
<listOptionValue builtIn="false" value="HAVE_NULLINPUT"/>
<listOptionValue builtIn="false" value="HAVE_ALSA"/>
@ -167,7 +167,7 @@
<listOptionValue builtIn="false" value="HAVE_ZLIB"/>
<listOptionValue builtIn="false" value="__BLACKBERRY_QNX__"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9-wip3\&quot;"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9.3\&quot;"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES2"/>
<listOptionValue builtIn="false" value="HAVE_NULLINPUT"/>
<listOptionValue builtIn="false" value="HAVE_ALSA"/>
@ -285,7 +285,7 @@
<listOptionValue builtIn="false" value="HAVE_ZLIB"/>
<listOptionValue builtIn="false" value="__BLACKBERRY_QNX__"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9-wip3\&quot;"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9.3\&quot;"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES2"/>
<listOptionValue builtIn="false" value="HAVE_NULLINPUT"/>
<listOptionValue builtIn="false" value="HAVE_ALSA"/>
@ -404,7 +404,7 @@
<listOptionValue builtIn="false" value="HAVE_ZLIB"/>
<listOptionValue builtIn="false" value="__BLACKBERRY_QNX__"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9-wip3\&quot;"/>
<listOptionValue builtIn="false" value="PACKAGE_VERSION=\&quot;0.9.9.9.3\&quot;"/>
<listOptionValue builtIn="false" value="HAVE_OPENGLES2"/>
<listOptionValue builtIn="false" value="HAVE_NULLINPUT"/>
<listOptionValue builtIn="false" value="HAVE_ALSA"/>