gboolean
vol_set_filename_text(gpointer data) {
volume_t * vol = (volume_t *)data;
AQUALUNG_MUTEX_LOCK(vol->wait_mutex);
if (vol->slot) {
char * utf8;
AQUALUNG_MUTEX_LOCK(vol->thread_mutex);
utf8 = g_filename_display_name(vol->item->file);
AQUALUNG_MUTEX_UNLOCK(vol->thread_mutex);
gtk_entry_set_text(GTK_ENTRY(vol->file_entry), utf8);
gtk_editable_set_position(GTK_EDITABLE(vol->file_entry), -1);
g_free(utf8);
}
AQUALUNG_COND_SIGNAL(vol->thread_wait);
AQUALUNG_MUTEX_UNLOCK(vol->wait_mutex);
return FALSE;
}
gint
cdda_timeout_callback(gpointer data) {
cdda_notify_t notify;
while (rb_read_space(cdda_notify_rb) >= sizeof(cdda_notify_t)) {
rb_read(cdda_notify_rb, (char *)¬ify, sizeof(cdda_notify_t));
switch (notify.event_type) {
case CDDA_EVENT_NEW_DRIVE:
AQUALUNG_MUTEX_LOCK(cdda_mutex)
insert_cdda_drive_node(notify.device_path);
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
free(notify.device_path);
break;
case CDDA_EVENT_CHANGED_DRIVE:
AQUALUNG_MUTEX_LOCK(cdda_mutex)
refresh_cdda_drive_node(notify.device_path);
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
free(notify.device_path);
break;
case CDDA_EVENT_REMOVED_DRIVE:
AQUALUNG_MUTEX_LOCK(cdda_mutex)
remove_cdda_drive_node(notify.device_path);
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
free(notify.device_path);
break;
}
}
return TRUE;
}
void *
cdda_scanner(void * arg) {
int i = 0;
cdio_log_set_handler(cdda_log_handler);
AQUALUNG_MUTEX_LOCK(cdda_mutex)
cdda_scan_all_drives();
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
while (cdda_scanner_working) {
g_usleep(100000);
if (i == 50) { /* scan every 5 seconds */
AQUALUNG_MUTEX_LOCK(cdda_mutex)
cdda_scan_all_drives();
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
i = 0;
}
++i;
}
AQUALUNG_MUTEX_LOCK(cdda_mutex)
for (i = 0; i < CDDA_DRIVES_MAX; i++) {
if (cdda_drives[i].cdio != NULL) {
cdio_destroy(cdda_drives[i].cdio);
memset(cdda_drives + i, 0, sizeof(cdda_drive_t));
}
}
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
return NULL;
}
/* if returns 1, file will be skipped */
int
process_volume_setup(volume_t * vol) {
if ((vol->fdec = file_decoder_new()) == NULL) {
fprintf(stderr, "calculate_volume: error: file_decoder_new() returned NULL\n");
return 1;
}
if (file_decoder_open(vol->fdec, vol->item->file)) {
fprintf(stderr, "file_decoder_open() failed on %s\n",
vol->item->file);
return 1;
}
if ((vol->rms = (rms_env_t *)calloc(1, sizeof(rms_env_t))) == NULL) {
fprintf(stderr, "calculate_volume(): calloc error\n");
return 1;
}
vol->chunks_read = 0;
vol->chunk_size = vol->fdec->fileinfo.sample_rate / 100;
vol->n_chunks = vol->fdec->fileinfo.total_samples / vol->chunk_size + 1;
AQUALUNG_MUTEX_LOCK(vol->wait_mutex);
aqualung_idle_add(vol_set_filename_text, vol);
AQUALUNG_COND_WAIT(vol->thread_wait, vol->wait_mutex);
AQUALUNG_MUTEX_UNLOCK(vol->wait_mutex);
vol->result = 0.0f;
return 0;
}
gboolean
vol_update_progress(gpointer data) {
volume_t * vol = (volume_t *)data;
if (vol->slot) {
float fraction = 0.0f;
char str_progress[10];
AQUALUNG_MUTEX_LOCK(vol->thread_mutex);
if (vol->n_chunks != 0) {
fraction = (float)vol->chunks_read / vol->n_chunks;
}
AQUALUNG_MUTEX_UNLOCK(vol->thread_mutex);
if (fraction < 0 || fraction > 1.0f) {
fraction = 0.0f;
}
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(vol->progress), fraction);
snprintf(str_progress, 10, "%.0f%%", fraction * 100.0f);
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(vol->progress), str_progress);
}
return TRUE;
}
gboolean
vol_store_result_sep(gpointer data) {
volume_t * vol = (volume_t *)data;
AQUALUNG_MUTEX_LOCK(vol->wait_mutex);
vol_store_voladj(vol->store, &vol->item->iter,
(vol->store == music_store) ? vol->result : rva_from_volume(vol->result));
AQUALUNG_COND_SIGNAL(vol->thread_wait);
AQUALUNG_MUTEX_UNLOCK(vol->wait_mutex);
return FALSE;
}
gboolean
vol_store_result_avg(gpointer data) {
volume_t * vol = (volume_t *)data;
GList * node = NULL;
float voladj;
AQUALUNG_MUTEX_LOCK(vol->wait_mutex);
voladj = rva_from_multiple_volumes(vol->n_volumes, vol->volumes);
for (node = vol->queue; node; node = node->next) {
vol_item_t * item = (vol_item_t *)node->data;
vol_store_voladj(vol->store, &item->iter, voladj);
}
AQUALUNG_COND_SIGNAL(vol->thread_wait);
AQUALUNG_MUTEX_UNLOCK(vol->wait_mutex);
return FALSE;
}
void *
volume_thread(void * arg) {
volume_t * vol = (volume_t *)arg;
GList * node;
float * samples = NULL;
unsigned long numread;
float chunk_power = 0.0f;
float rms;
unsigned long i;
AQUALUNG_THREAD_DETACH();
for (node = vol->queue; node; node = node->next) {
vol->item = (vol_item_t *)node->data;
if (process_volume_setup(vol)) {
continue;
}
if ((samples = (float *)malloc(vol->chunk_size * vol->fdec->fileinfo.channels * sizeof(float))) == NULL) {
fprintf(stderr, "volume_thread(): malloc() error\n");
file_decoder_close(vol->fdec);
file_decoder_delete(vol->fdec);
free(vol->rms);
break;
}
do {
numread = file_decoder_read(vol->fdec, samples, vol->chunk_size);
vol->chunks_read++;
/* calculate signal power of chunk and feed it in the rms envelope */
if (numread > 0) {
for (i = 0; i < numread * vol->fdec->fileinfo.channels; i++) {
chunk_power += samples[i] * samples[i];
}
chunk_power /= numread * vol->fdec->fileinfo.channels;
rms = rms_env_process(vol->rms, chunk_power);
if (rms > vol->result) {
vol->result = rms;
}
}
while (vol->paused && !vol->cancelled) {
g_usleep(500000);
}
} while (numread == vol->chunk_size && !vol->cancelled);
if (!vol->cancelled) {
vol->result = 20.0f * log10f(vol->result);
#ifdef HAVE_MPEG
/* compensate for anti-clip vol.reduction in dec_mpeg.c/mpeg_output() */
if (vol->fdec->file_lib == MAD_LIB) {
vol->result += 1.8f;
}
#endif /* HAVE_MPEG */
if (vol->type == VOLUME_SEPARATE) {
AQUALUNG_MUTEX_LOCK(vol->wait_mutex);
aqualung_idle_add(vol_store_result_sep, vol);
AQUALUNG_COND_WAIT(vol->thread_wait, vol->wait_mutex);
AQUALUNG_MUTEX_UNLOCK(vol->wait_mutex);
} else if (vol->type == VOLUME_AVERAGE) {
vol->n_volumes++;
if ((vol->volumes = realloc(vol->volumes, vol->n_volumes * sizeof(float))) == NULL) {
fprintf(stderr, "volume_thread(): realloc error\n");
return NULL;
}
vol->volumes[vol->n_volumes - 1] = vol->result;
}
}
file_decoder_close(vol->fdec);
file_decoder_delete(vol->fdec);
free(vol->rms);
free(samples);
if (vol->cancelled) {
break;
}
}
if (!vol->cancelled && vol->type == VOLUME_AVERAGE) {
AQUALUNG_MUTEX_LOCK(vol->wait_mutex);
aqualung_idle_add(vol_store_result_avg, vol);
AQUALUNG_COND_WAIT(vol->thread_wait, vol->wait_mutex);
AQUALUNG_MUTEX_UNLOCK(vol->wait_mutex);
}
for (node = vol->queue; node; node = node->next) {
vol_item_free((vol_item_t *)node->data);
}
aqualung_idle_add(volume_finalize, vol);
return NULL;
}