/* --- Called when sampling rate changes --- */
EXPORT void CALL AiDacrateChanged( int SystemType )
{
int f = GameFreq;
if (!l_PluginInit)
return;
if (*AudioInfo.AI_DACRATE_REG == 0)
{
f = DEFAULT_FREQUENCY;
}
else
{
switch (SystemType)
{
case SYSTEM_NTSC:
f = 48681812 / (*AudioInfo.AI_DACRATE_REG + 1);
break;
case SYSTEM_PAL:
f = 49656530 / (*AudioInfo.AI_DACRATE_REG + 1);
break;
case SYSTEM_MPAL:
f = 48628316 / (*AudioInfo.AI_DACRATE_REG + 1);
break;
}
}
SetSamplingRate(f);
}
EXPORT int CALL RomOpen(void)
{
if (!l_PluginInit)
return 0;
SetSamplingRate(GameFreq);
SetBufferSize(DEFAULT_BUFFER_SIZE);
return 1;
}
void CreateAudioDialog (void)
{
GtkWidget* hbox;
GtkWidget* vbox;
GtkWidget* hbox2;
GtkWidget* label;
GtkWidget* button;
const char *audioEncoder;
SDL_LockMutex(dialog_mutex);
if (dialog != NULL) {
SDL_UnlockMutex(dialog_mutex);
return;
}
SDL_UnlockMutex(dialog_mutex);
pAudioCaps = MyConfig->m_audioCapabilities;
dialog = gtk_dialog_new();
gtk_signal_connect(GTK_OBJECT(dialog),
"destroy",
GTK_SIGNAL_FUNC(on_destroy_dialog),
&dialog);
gtk_window_set_title(GTK_WINDOW(dialog), "Audio Settings");
gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
hbox = gtk_hbox_new(FALSE, 1);
gtk_widget_show(hbox);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
FALSE, FALSE, 5);
vbox = gtk_vbox_new(TRUE, 1);
gtk_widget_show(vbox);
gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 5);
label = gtk_label_new(" Source:");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
input_label = gtk_label_new(" Input Port:");
gtk_misc_set_alignment(GTK_MISC(input_label), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(vbox), input_label, FALSE, FALSE, 0);
track_label = gtk_label_new(" Track:");
gtk_misc_set_alignment(GTK_MISC(track_label), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(vbox), track_label, FALSE, FALSE, 0);
label = gtk_label_new(" Output:");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
label = gtk_label_new(" Encoding :");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
label = gtk_label_new(" Channels:");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
label = gtk_label_new(" Sampling Rate (Hz):");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
label = gtk_label_new(" Bit Rate (bps):");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
vbox = gtk_vbox_new(TRUE, 1);
gtk_widget_show(vbox);
gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 5);
hbox2 = gtk_hbox_new(FALSE, 1);
gtk_widget_show(hbox2);
gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
source_type = MyConfig->GetStringValue(CONFIG_AUDIO_SOURCE_TYPE);
// source entry
free(source_name);
source_name =
strdup(MyConfig->GetStringValue(CONFIG_AUDIO_SOURCE_NAME));
source_modified = false;
source_combo = CreateFileCombo(source_name);
source_entry = GTK_COMBO(source_combo)->entry;
SetEntryValidator(GTK_OBJECT(source_entry),
GTK_SIGNAL_FUNC(on_source_entry_changed),
GTK_SIGNAL_FUNC(on_source_leave));
source_list = GTK_COMBO(source_combo)->list;
gtk_signal_connect(GTK_OBJECT(source_list), "select_child",
GTK_SIGNAL_FUNC(on_source_list_changed), NULL);
gtk_widget_show(source_combo);
gtk_box_pack_start(GTK_BOX(hbox2), source_combo, TRUE, TRUE, 0);
// browse button
browse_button = gtk_button_new_with_label(" Browse... ");
gtk_signal_connect(GTK_OBJECT(browse_button),
"clicked",
GTK_SIGNAL_FUNC(on_source_browse_button),
NULL);
gtk_widget_show(browse_button);
gtk_box_pack_start(GTK_BOX(hbox2), browse_button, FALSE, FALSE, 5);
// input menu
inputIndex = 0;
for (u_int8_t i = 0; i < sizeof(inputValues) / sizeof(u_int8_t); i++) {
if (!strcasecmp(MyConfig->GetStringValue(CONFIG_AUDIO_INPUT_NAME),
inputValues[i])) {
inputIndex = i;
break;
}
}
input_menu = CreateOptionMenu (NULL,
inputNames,
sizeof(inputNames) / sizeof(char*),
inputIndex,
GTK_SIGNAL_FUNC(on_input_menu_activate));
gtk_box_pack_start(GTK_BOX(vbox), input_menu, TRUE, TRUE, 0);
// track menu
track_menu = NULL;
track_menu = CreateTrackMenu(
track_menu,
'A',
gtk_entry_get_text(GTK_ENTRY(source_entry)),
&trackIndex,
&trackNumber,
&trackValues);
trackIndex = 0;
for (u_int8_t i = 0; i < trackNumber; i++) {
if (MyConfig->GetIntegerValue(CONFIG_AUDIO_SOURCE_TRACK)
== trackValues[i]) {
trackIndex = i;
break;
}
}
gtk_box_pack_start(GTK_BOX(vbox), track_menu, FALSE, FALSE, 0);
// spacer
label = gtk_label_new(" ");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_widget_show(label);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
encodingNames = (char **)malloc(sizeof(char *) * audio_encoder_table_size);
audioEncoder =
MyConfig->GetStringValue(CONFIG_AUDIO_ENCODER);
for (uint32_t ix = 0; ix < audio_encoder_table_size; ix++) {
encodingNames[ix] = strdup(audio_encoder_table[ix]->dialog_selection_name);
if ((strcasecmp(audioEncoder,
audio_encoder_table[ix]->audio_encoder) == 0) &&
(strcasecmp(MyConfig->GetStringValue(CONFIG_AUDIO_ENCODING),
audio_encoder_table[ix]->audio_encoding) == 0)) {
encodingIndex = ix;
}
}
encoding_menu = CreateOptionMenu (NULL,
encodingNames,
audio_encoder_table_size,
encodingIndex,
GTK_SIGNAL_FUNC(on_encoding_menu_activate));
gtk_box_pack_start(GTK_BOX(vbox), encoding_menu, TRUE, TRUE, 0);
// channel menu
channel_menu = NULL;
CreateChannelMenu(MyConfig->GetIntegerValue(CONFIG_AUDIO_CHANNELS));
gtk_box_pack_start(GTK_BOX(vbox), channel_menu, TRUE, TRUE, 0);
sampling_rate_menu = NULL;
CreateSamplingRateMenu(pAudioCaps);
gtk_box_pack_start(GTK_BOX(vbox), sampling_rate_menu, TRUE, TRUE, 0);
// set sampling rate value based on MyConfig
SetSamplingRate(MyConfig->GetIntegerValue(CONFIG_AUDIO_SAMPLE_RATE));
bit_rate_menu = NULL;
CreateBitRateMenu(MyConfig->GetIntegerValue(CONFIG_AUDIO_BIT_RATE));
gtk_box_pack_start(GTK_BOX(vbox), bit_rate_menu, TRUE, TRUE, 0);
// set bit rate value based on MyConfig
for (u_int8_t i = 0; i < bitRateNumber; i++) {
if (MyConfig->GetIntegerValue(CONFIG_AUDIO_BIT_RATE)
== bitRateValues[i]) {
bitRateIndex = i;
break;
}
}
gtk_option_menu_set_history(
GTK_OPTION_MENU(bit_rate_menu), bitRateIndex);
// Add standard buttons at bottom
button = AddButtonToDialog(dialog,
" OK ",
GTK_SIGNAL_FUNC(on_ok_button));
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
AddButtonToDialog(dialog,
" Cancel ",
GTK_SIGNAL_FUNC(on_cancel_button));
ShowSourceSpecificSettings();
gtk_widget_show(dialog);
}
