static int init(int rate_hz, int channels, int format, int flags)
{
int err;
int frag_spec;
if( (err=arts_init()) ) {
mp_msg(MSGT_AO, MSGL_ERR, MSGTR_AO_ARTS_CantInit, arts_error_text(err));
return 0;
}
mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AO_ARTS_ServerConnect);
/*
* arts supports 8bit unsigned and 16bit signed sample formats
* (16bit apparently in little endian format, even in the case
* when artsd runs on a big endian cpu).
*
* Unsupported formats are translated to one of these two formats
* using mplayer's audio filters.
*/
switch (format) {
case AF_FORMAT_U8:
case AF_FORMAT_S8:
format = AF_FORMAT_U8;
break;
default:
format = AF_FORMAT_S16_LE; /* artsd always expects little endian?*/
break;
}
ao_data.format = format;
ao_data.channels = channels;
ao_data.samplerate = rate_hz;
ao_data.bps = (rate_hz*channels);
if(format != AF_FORMAT_U8 && format != AF_FORMAT_S8)
ao_data.bps*=2;
stream=arts_play_stream(rate_hz, OBTAIN_BITRATE(format), channels, "MPlayer");
if(stream == NULL) {
mp_msg(MSGT_AO, MSGL_ERR, MSGTR_AO_ARTS_CantOpenStream);
arts_free();
return 0;
}
/* Set the stream to blocking: it will not block anyway, but it seems */
/* to be working better */
arts_stream_set(stream, ARTS_P_BLOCKING, 1);
frag_spec = ARTS_PACKET_SIZE_LOG2 | ARTS_PACKETS << 16;
arts_stream_set(stream, ARTS_P_PACKET_SETTINGS, frag_spec);
ao_data.buffersize = arts_stream_get(stream, ARTS_P_BUFFER_SIZE);
mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AO_ARTS_StreamOpen);
mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AO_ARTS_BufferSize,
ao_data.buffersize);
mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AO_ARTS_BufferSize,
arts_stream_get(stream, ARTS_P_PACKET_SIZE));
return 1;
}
static void close_output(void)
{
if(stream == 0)
return;
arts_close_stream(stream);
arts_free();
arts_init_state = 2;
stream = 0;
}
static void arts_dsp_destroy(struct sysdep_dsp_struct *dsp)
{
struct arts_dsp_priv_data *priv = dsp->_priv;
if(priv)
{
arts_close_stream(priv->stream);
arts_free();
free(priv);
}
free(dsp);
}
static void
gst_artsdsink_close_audio (GstArtsdsink * sink)
{
if (!sink->connected)
return;
arts_close_stream (sink->stream);
arts_free ();
GST_OBJECT_FLAG_UNSET (sink, GST_ARTSDSINK_OPEN);
sink->connected = FALSE;
g_print ("artsdsink: closed connection\n");
}
/* close sound device or disconnect from aRts server */
void audio_exit(audio_dev_handle* handle)
{
#ifdef HAS_ARTS
if(handle->use_arts)
{
arts_close_stream(handle->arts_handle);
arts_free();
}
else
#endif
{
snd_pcm_close(handle->alsa_handle);
}
}
static void uninit(int immed)
{
arts_close_stream(stream);
arts_free();
}
static int op_arts_exit(void)
{
arts_free();
return 0;
}
