UI: Make simple audio codec name translatable

Also adds "(Default)" to the AAC combobox option.

UI/data/locale/en-US.ini

@@ -987,6 +987,9 @@ Basic.Settings.Output.Simple.Encoder.Hardware.NVENC.HEVC="Hardware (NVENC, HEVC)
 Basic.Settings.Output.Simple.Encoder.Hardware.Apple.H264="Hardware (Apple, H.264)"
 Basic.Settings.Output.Simple.Encoder.Hardware.Apple.HEVC="Hardware (Apple, HEVC)"
 Basic.Settings.Output.Simple.Encoder.SoftwareLowCPU="Software (x264 low CPU usage preset, increases file size)"
+Basic.Settings.Output.Simple.Codec.AAC="AAC"
+Basic.Settings.Output.Simple.Codec.AAC.Default="AAC (Default)"
+Basic.Settings.Output.Simple.Codec.Opus="Opus"
 Basic.Settings.Output.Simple.TwitchVodTrack="Twitch VOD Track (Uses Track 2)"
 Basic.Settings.Output.Warn.EnforceResolutionFPS.Title="Incompatible Resolution/Framerate"
 Basic.Settings.Output.Warn.EnforceResolutionFPS.Msg="This streaming service does not support your current output resolution and/or framerate. They will be changed to the closest compatible value:\n\n%1\n\nDo you want to continue?"

UI/window-basic-settings-stream.cpp

@@ -1432,7 +1432,10 @@ bool OBSBasicSettings::ServiceSupportsCodecCheck()
 
 		cur_audio_name = ui->simpleOutStrAEncoder->itemText(
 			ui->simpleOutStrAEncoder->findData(cur_enc));
-		fb_audio_name = (cur_enc == "opus") ? "AAC" : "Opus";
+		fb_audio_name =
+			(cur_enc == "opus")
+				? QTStr("Basic.Settings.Output.Simple.Codec.AAC")
+				: QTStr("Basic.Settings.Output.Simple.Codec.Opus");
 	} else {
 		QString cur_enc = ui->advOutEncoder->currentData().toString();
 		QString fb_enc = get_adv_fallback(cur_enc);
@@ -1643,9 +1646,13 @@ void OBSBasicSettings::ResetEncoders(bool streamOnly)
 	if (service_supports_encoder(acodecs, "CoreAudio_AAC") ||
 	    service_supports_encoder(acodecs, "libfdk_aac") ||
 	    service_supports_encoder(acodecs, "ffmpeg_aac"))
-		ui->simpleOutStrAEncoder->addItem("AAC", "aac");
+		ui->simpleOutStrAEncoder->addItem(
+			QTStr("Basic.Settings.Output.Simple.Codec.AAC.Default"),
+			"aac");
 	if (service_supports_encoder(acodecs, "ffmpeg_opus"))
-		ui->simpleOutStrAEncoder->addItem("Opus", "opus");
+		ui->simpleOutStrAEncoder->addItem(
+			QTStr("Basic.Settings.Output.Simple.Codec.Opus"),
+			"opus");
 #undef ENCODER_STR
 
 	/* ------------------------------------------------- */

UI/window-basic-settings.cpp

@@ -5130,9 +5130,13 @@ void OBSBasicSettings::FillSimpleRecordingValues()
 
 	if (EncoderAvailable("CoreAudio_AAC") ||
 	    EncoderAvailable("libfdk_aac") || EncoderAvailable("ffmpeg_aac"))
-		ui->simpleOutRecAEncoder->addItem("AAC", "aac");
+		ui->simpleOutRecAEncoder->addItem(
+			QTStr("Basic.Settings.Output.Simple.Codec.AAC.Default"),
+			"aac");
 	if (EncoderAvailable("ffmpeg_opus"))
-		ui->simpleOutRecAEncoder->addItem("Opus", "opus");
+		ui->simpleOutRecAEncoder->addItem(
+			QTStr("Basic.Settings.Output.Simple.Codec.Opus"),
+			"opus");
 
 #undef ADD_QUALITY
 #undef ENCODER_STR