--- codecs/codec_opus_open_source.c	2017-10-09 13:57:20.000000000 +0200
+++ codecs/codec_opus_open_source.c	(working copy)
@@ -132,15 +132,12 @@ static int opus_encoder_construct(struct
 
-	if (sampling_rate <= 8000 || maxplayrate <= 8000) {
-		status = opus_encoder_ctl(opvt->opus, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_NARROWBAND));
-	} else if (sampling_rate <= 12000 || maxplayrate <= 12000) {
-		status = opus_encoder_ctl(opvt->opus, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_MEDIUMBAND));
-	} else if (sampling_rate <= 16000 || maxplayrate <= 16000) {
-		status = opus_encoder_ctl(opvt->opus, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_WIDEBAND));
-	} else if (sampling_rate <= 24000 || maxplayrate <= 24000) {
-		status = opus_encoder_ctl(opvt->opus, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_SUPERWIDEBAND));
-	} /* else we use the default: OPUS_BANDWIDTH_FULLBAND */
-
-	if (0 < bitrate && bitrate != 510000) {
-		status = opus_encoder_ctl(opvt->opus, OPUS_SET_BITRATE(bitrate));
-	} /* else we use the default: OPUS_AUTO */
+#define MODE_SILK_ONLY          1000
+#define MODE_HYBRID             1001
+#define MODE_CELT_ONLY          1002
+#define OPUS_SET_FORCE_MODE_REQUEST    11002
+#define OPUS_SET_FORCE_MODE(x) OPUS_SET_FORCE_MODE_REQUEST, __opus_check_int(x)
+
+	status = opus_encoder_ctl(opvt->opus, OPUS_SET_MAX_BANDWIDTH(OPUS_BANDWIDTH_WIDEBAND));
+	status = opus_encoder_ctl(opvt->opus, OPUS_SET_LSB_DEPTH(16));
+	status = opus_encoder_ctl(opvt->opus, OPUS_SET_FORCE_MODE(MODE_SILK_ONLY));
+
 	status = opus_encoder_ctl(opvt->opus, OPUS_SET_VBR(vbr));
@@ -808,12 +805,4 @@ static int unload_module(void)
 
-	res = ast_unregister_translator(&opustolin);
-	res |= ast_unregister_translator(&lintoopus);
-	res |= ast_unregister_translator(&opustolin12);
-	res |= ast_unregister_translator(&lin12toopus);
-	res |= ast_unregister_translator(&opustolin16);
+	res = ast_unregister_translator(&opustolin16);
 	res |= ast_unregister_translator(&lin16toopus);
-	res |= ast_unregister_translator(&opustolin24);
-	res |= ast_unregister_translator(&lin24toopus);
-	res |= ast_unregister_translator(&opustolin48);
-	res |= ast_unregister_translator(&lin48toopus);
 
@@ -832,12 +821,4 @@ static int load_module(void)
 
-	res = ast_register_translator(&opustolin);
-	res |= ast_register_translator(&lintoopus);
-	res |= ast_register_translator(&opustolin12);
-	res |= ast_register_translator(&lin12toopus);
-	res |= ast_register_translator(&opustolin16);
+	res = ast_register_translator(&opustolin16);
 	res |= ast_register_translator(&lin16toopus);
-	res |= ast_register_translator(&opustolin24);
-	res |= ast_register_translator(&lin24toopus);
-	res |= ast_register_translator(&opustolin48);
-	res |= ast_register_translator(&lin48toopus);