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work on sink

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This commit is contained in:
Wim Taymans 2016-08-18 12:43:25 +02:00
parent bdbddaf75b
commit a03352353f
9 changed files with 180 additions and 306 deletions
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98
spa/plugins/alsa/alsa-utils.c
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@ -11,6 +11,48 @@ static int verbose = 0; /* verbose flag */
#define CHECK(s,msg) if ((err = (s)) < 0) { printf (msg ": %s\n", snd_strerror(err)); return err; }
static int
spa_alsa_open (SpaALSASink *this)
{
SpaALSAState *state = &this->state;
int err;
SpaALSASinkProps *props = &this->props[1];
if (state->opened)
return 0;
CHECK (snd_output_stdio_attach (&state->output, stdout, 0), "attach failed");
printf ("Playback device is '%s'\n", props->device);
CHECK (snd_pcm_open (&state->handle,
props->device,
SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK |
SND_PCM_NO_AUTO_RESAMPLE |
SND_PCM_NO_AUTO_CHANNELS |
SND_PCM_NO_AUTO_FORMAT), "open failed");
state->opened = true;
return 0;
}
static int
spa_alsa_close (SpaALSASink *this)
{
SpaALSAState *state = &this->state;
int err = 0;
if (!state->opened)
return 0;
CHECK (snd_pcm_close (state->handle), "close failed");
state->opened = false;
return err;
}
static snd_pcm_format_t
spa_alsa_format_to_alsa (SpaAudioFormat format)
{
@ -63,7 +105,7 @@ spa_alsa_format_to_alsa (SpaAudioFormat format)
}
static int
set_hwparams (SpaALSASink *this)
alsa_set_format (SpaALSASink *this, SpaAudioRawFormat *fmt, bool try_only)
{
unsigned int rrate;
snd_pcm_uframes_t size;
@ -71,13 +113,17 @@ set_hwparams (SpaALSASink *this)
snd_pcm_hw_params_t *params;
snd_pcm_format_t format;
SpaALSAState *state = &this->state;
SpaAudioRawFormat *fmt = &this->current_format;
SpaAudioRawInfo *info = &fmt->info;
snd_pcm_t *handle = state->handle;
snd_pcm_t *handle;
unsigned int buffer_time;
unsigned int period_time;
SpaALSASinkProps *props = &this->props[1];
if ((err = spa_alsa_open (this)) < 0)
return err;
handle = state->handle;
snd_pcm_hw_params_alloca (&params);
/* choose all parameters */
CHECK (snd_pcm_hw_params_any (handle, params), "Broken configuration for playback: no configurations available");
@ -175,32 +221,6 @@ xrun_recovery (snd_pcm_t *handle, int err)
return err;
}
static int
spa_alsa_open (SpaALSASink *this)
{
SpaALSAState *state = &this->state;
int err;
SpaALSASinkProps *props = &this->props[1];
if (state->opened)
return 0;
CHECK (snd_output_stdio_attach (&state->output, stdout, 0), "attach failed");
printf ("Playback device is '%s'\n", props->device);
CHECK (snd_pcm_open (&state->handle,
props->device,
SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK |
SND_PCM_NO_AUTO_RESAMPLE |
SND_PCM_NO_AUTO_CHANNELS |
SND_PCM_NO_AUTO_FORMAT), "open failed");
state->opened = true;
return 0;
}
static void
pull_input (SpaALSASink *this, void *data, snd_pcm_uframes_t frames)
{
@ -303,22 +323,6 @@ alsa_on_fd_events (SpaPollNotifyData *data)
return 0;
}
static int
spa_alsa_close (SpaALSASink *this)
{
SpaALSAState *state = &this->state;
int err = 0;
if (!state->opened)
return 0;
CHECK (snd_pcm_close (state->handle), "close failed");
state->opened = false;
return err;
}
static int
spa_alsa_start (SpaALSASink *this)
{
@ -329,7 +333,9 @@ spa_alsa_start (SpaALSASink *this)
if (spa_alsa_open (this) < 0)
return -1;
CHECK (set_hwparams (this), "hwparams");
if (!state->have_buffers)
return -1;
CHECK (set_swparams (this), "swparams");
snd_pcm_dump (state->handle, state->output);