const char *MusicDriver_LibTimidity::Start(const char * const *param)
{
_midi.status = MIDI_STOPPED;
_midi.song = NULL;
if (mid_init(param == NULL ? NULL : const_cast<char *>(param[0])) < 0) {
/* If init fails, it can be because no configuration was found.
* If it was not forced via param, try to load it without a
* configuration. Who knows that works. */
if (param != NULL || mid_init_no_config() < 0) {
return "error initializing timidity";
}
}
DEBUG(driver, 1, "successfully initialised timidity");
_midi.options.rate = 44100;
_midi.options.format = MID_AUDIO_S16LSB;
_midi.options.channels = 2;
#if defined(PSP)
_midi.options.buffer_size = PSP_NUM_AUDIO_SAMPLES;
#else
_midi.options.buffer_size = _midi.options.rate;
#endif
#if defined(PSP)
pspAudioInit();
pspAudioSetChannelCallback(_midi.options.channels, &AudioOutCallback, NULL);
pspAudioSetVolume(_midi.options.channels, PSP_VOLUME_MAX, PSP_VOLUME_MAX);
#endif /* PSP */
return NULL;
}
void
init(void)
{
src_init();
dst_init();
mid_init();
}
void MidiPlugin::MidiPluginPrivate::init()
{
if (active++ > 0)
return;
if (initialized) {
cleanupTimer->stop();
return;
}
// Load .cfg
foreach (QString configPath, Qtopia::installPaths()) {
configPath += QLatin1String("etc/timidity/timidity.cfg");
qLog(Media) << "MidiDecoder::MidiDecoder(); searching for config -" << configPath;
if (QFileInfo(configPath).exists()) {
qLog(Media) << "MidiDecoder::MidiDecoder(); found timidity.cfg";
if (mid_init(configPath.toLocal8Bit().data()) == -1)
qLog(Media) << "MidiDecoder::MidiDecoder(); Invalid config file";
initialized = true;
break;
}
}
/* initialize the new element
* instantiate pads and add them to element
* set functions
* initialize structure
*/
static void
gst_timidity_init (GstTimidity * filter, GstTimidityClass * g_class)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (filter);
/* initialise timidity library */
if (mid_init ((char *) TIMIDITY_CFG) == 0) {
filter->initialized = TRUE;
} else {
GST_WARNING ("can't initialize timidity with config: " TIMIDITY_CFG);
}
filter->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"sink"), "sink");
gst_pad_set_activatepull_function (filter->sinkpad,
gst_timidity_activatepull);
gst_pad_set_activate_function (filter->sinkpad, gst_timidity_activate);
gst_pad_set_setcaps_function (filter->sinkpad, gst_pad_set_caps);
gst_pad_use_fixed_caps (filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
filter->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"src"), "src");
gst_pad_set_query_function (filter->srcpad, gst_timidity_src_query);
gst_pad_set_event_function (filter->srcpad, gst_timidity_src_event);
gst_pad_use_fixed_caps (filter->srcpad);
gst_pad_set_setcaps_function (filter->srcpad, gst_pad_set_caps);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->song_options->buffer_size = 2048;
filter->song_options->rate = 44100;
filter->song_options->format = MID_AUDIO_S16LSB;
filter->song_options->channels = 2;
gst_timidity_set_song_options (filter, filter->song_options);
gst_segment_init (filter->o_segment, GST_FORMAT_DEFAULT);
}
