1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_AUDIO_PRIVATE_H 18 #define ANDROID_AUDIO_PRIVATE_H 19 20 #include <stdint.h> 21 22 __BEGIN_DECLS 23 24 /* Defines not necessary for external use but kept here to be common 25 * to the audio_utils library. 26 */ 27 28 /* struct representation of 3 bytes for packed PCM 24 bit data. 29 * The naming follows the ARM NEON convention. 30 */ 31 typedef struct {uint8_t c[3];} __attribute__((__packed__)) uint8x3_t; 32 33 __END_DECLS 34 35 #endif /*ANDROID_AUDIO_PRIVATE_H*/ 36