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diff --git a/thirdparties/iphone/include/opencore-amrnb/interf_enc.h b/thirdparties/iphone/include/opencore-amrnb/interf_enc.h
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+/* ------------------------------------------------------------------
+ * Copyright (C) 2009 Martin Storsjo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+
+#ifndef OPENCORE_AMRNB_INTERF_ENC_H
+#define OPENCORE_AMRNB_INTERF_ENC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef AMRNB_WRAPPER_INTERNAL
+/* Copied from enc/src/gsmamr_enc.h */
+enum Mode {
+ MR475 = 0,/* 4.75 kbps */
+ MR515, /* 5.15 kbps */
+ MR59, /* 5.90 kbps */
+ MR67, /* 6.70 kbps */
+ MR74, /* 7.40 kbps */
+ MR795, /* 7.95 kbps */
+ MR102, /* 10.2 kbps */
+ MR122, /* 12.2 kbps */
+ MRDTX, /* DTX */
+ N_MODES /* Not Used */
+};
+#endif
+
+void* Encoder_Interface_init(int dtx);
+void Encoder_Interface_exit(void* state);
+int Encoder_Interface_Encode(void* state, enum Mode mode, const short* speech, unsigned char* out, int forceSpeech);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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