bool MidiPlayerThread::start( const QString &path, int volume, double seek /* = -1 */ )
{
qDebug() << "MidiPlayerThread::start";
unsigned short int mixer_options = 0;
m_path = path;
if ( open_alsa_output() == ( -1 ) ) {
qDebug() << "MidiPlayerThread::start: error of open_alsa_output()...";
return false;
}
if ( WildMidi_Init( qPrintable( m_configFile ), m_sample_rate, mixer_options ) < 0 ) {
qWarning( "MidiPlayerThread::start: unable to initialize WildMidi library" );
close_output();
return false;
}
m_midiPtr = WildMidi_Open ( qPrintable( m_path ) );
if ( !m_midiPtr ) {
qWarning("MidiPlayerThread::start: unable to open file");
WildMidi_Shutdown();
close_output();
return false;
}
Tracks audios;
audios.addID( 0 );
_WM_Info *wm_info = WildMidi_GetInfo( m_midiPtr );
m_totalTime = ( qint64 )wm_info->approx_total_samples / m_sample_rate;
qDebug() << "total time is " << m_totalTime << " sec";
m_md->reset();
m_md->duration = m_totalTime;
m_md->audio_rate = m_sample_rate;
m_md->novideo = true;
m_md->audios = audios;
// m_md->type = TYPE_FILE;
setVolume( volume );
if ( seek != ( -1 ) ) {
goToSec( seek );
}
QThread::start();
qDebug( "MidiPlayerThread: thread started" );
emit audioInfoChanged( audios );
return true;
}
static int
midi_init ( void ) {
wildmidi_volume = Cvar_Get ("wildmidi_volume", "100", CVAR_ARCHIVE, NULL,
"Set the Master Volume");
wildmidi_config = Cvar_Get ("wildmidi_config", "/etc/timidity.cfg",
CVAR_ROM, NULL,
"path/filename of timidity.cfg");
if (WildMidi_Init (wildmidi_config->string, snd_shm->speed, 0) == -1)
return 1;
midi_intiialized = 1;
return 0;
}
bool init(MidiFormat format, const char* patchLoc)
{
free();
s_mutex = Mutex::create();
s_midiFormat = format;
if (s_midiFormat == MFMT_GUS_PATCH)
{
s_volume = c_volumeScale[0];
s_sampleRate = 32072.0;
if (WildMidi_Init(patchLoc, 32072, WM_MO_ENHANCED_RESAMPLING) >= 0)
{
s_initialized = true;
WildMidi_MasterVolume(100);
return true;
}
}
else if (s_midiFormat == MFMT_SOUND_FONT)
{
s_volume = c_volumeScale[1];
if (!loadFluidsythDLL())
{
LOG( LOG_ERROR, "cannot find or load the \"libfluidsynth\" dynamic library." );
return false;
}
s_fluidSettings = new_fluid_settings();
fluid_settings_setstr(s_fluidSettings, "player.timing-source", "sample");
fluid_settings_setstr(s_fluidSettings, "synth.lock-memory", 0);
fluid_settings_setstr(s_fluidSettings, "synth.chorus-active", "0");
s_fluidSynth = new_fluid_synth(s_fluidSettings);
if (fluid_synth_sfload(s_fluidSynth, patchLoc, 1) < 0)
{
LOG( LOG_ERROR, "cannot load sound font \"%s\"", patchLoc );
unloadFluidsynthDLL();
return false;
}
s_fluidSeq = new_fluid_sequencer2(false);
fluid_sequencer_register_fluidsynth(s_fluidSeq, s_fluidSynth);
fluid_settings_getnum(s_fluidSettings, "synth.sample-rate", &s_sampleRate);
s_initialized = true;
s_fluidPlayer = new_fluid_player(s_fluidSynth);
return true;
}
return false;
}
static bool
wildmidi_init(const struct config_param *param)
{
const char *config_file;
int ret;
config_file = config_get_block_string(param, "config_file",
"/etc/timidity/timidity.cfg");
if (!g_file_test(config_file, G_FILE_TEST_IS_REGULAR)) {
g_debug("configuration file does not exist: %s", config_file);
return false;
}
ret = WildMidi_Init(config_file, WILDMIDI_SAMPLE_RATE, 0);
return ret == 0;
}
static gboolean
wildmidi_open_config (void)
{
gchar *path = g_strdup (g_getenv ("WILDMIDI_CFG"));
gint ret;
GST_DEBUG ("trying %s", GST_STR_NULL (path));
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
if (path == NULL) {
path =
g_build_path (G_DIR_SEPARATOR_S, g_get_home_dir (), ".wildmidirc",
NULL);
GST_DEBUG ("trying %s", path);
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
}
if (path == NULL) {
path =
g_build_path (G_DIR_SEPARATOR_S, G_DIR_SEPARATOR_S "etc",
"wildmidi.cfg", NULL);
GST_DEBUG ("trying %s", path);
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
}
if (path == NULL) {
path =
g_build_path (G_DIR_SEPARATOR_S, G_DIR_SEPARATOR_S "etc", "wildmidi",
"wildmidi.cfg", NULL);
GST_DEBUG ("trying %s", path);
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
}
if (path == NULL) {
path = g_strdup (WILDMIDI_CFG);
GST_DEBUG ("trying %s", path);
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
}
if (path == NULL) {
path =
g_build_path (G_DIR_SEPARATOR_S, G_DIR_SEPARATOR_S "etc",
"timidity.cfg", NULL);
GST_DEBUG ("trying %s", path);
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
}
if (path == NULL) {
path =
g_build_path (G_DIR_SEPARATOR_S, G_DIR_SEPARATOR_S "etc", "timidity",
"timidity.cfg", NULL);
GST_DEBUG ("trying %s", path);
if (path && (g_access (path, R_OK) == -1)) {
g_free (path);
path = NULL;
}
}
if (path == NULL) {
/* I've created a symlink to get it playing
* ln -s /usr/share/timidity/timidity.cfg /etc/wildmidi.cfg
* we could make it use : WILDMIDI_CFG
* but unfortunately it fails to create a proper filename if the config
* has a redirect
* http://sourceforge.net/tracker/index.php?func=detail&aid=1657358&group_id=42635&atid=433744
*/
GST_WARNING ("no config file, can't initialise");
return FALSE;
}
/* this also initializes a some filter and stuff and thus is slow */
ret = WildMidi_Init (path, WILDMIDI_RATE, 0);
g_free (path);
return (ret == 0);
}
