1e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman/* 2e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Copyright (C) 2015 The Android Open Source Project 3e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 4e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Licensed under the Apache License, Version 2.0 (the "License"); 5e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * you may not use this file except in compliance with the License. 6e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * You may obtain a copy of the License at 7e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 8e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * http://www.apache.org/licenses/LICENSE-2.0 9e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 10e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Unless required by applicable law or agreed to in writing, software 11e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * distributed under the License is distributed on an "AS IS" BASIS, 12e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * See the License for the specific language governing permissions and 14e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * limitations under the License. 15e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 16e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 17e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#ifndef ANDROID_AUDIO_IO_DESCRIPTOR_H 18e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#define ANDROID_AUDIO_IO_DESCRIPTOR_H 19e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 20e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramannamespace android { 21e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 22e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanenum audio_io_config_event { 23e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AUDIO_OUTPUT_OPENED, 24e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AUDIO_OUTPUT_CLOSED, 25e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AUDIO_OUTPUT_CONFIG_CHANGED, 26e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AUDIO_INPUT_OPENED, 27e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AUDIO_INPUT_CLOSED, 28e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AUDIO_INPUT_CONFIG_CHANGED, 29e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman}; 30e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 31e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman// audio input/output descriptor used to cache output configurations in client process to avoid 32e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman// frequent calls through IAudioFlinger 33e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanclass AudioIoDescriptor : public RefBase { 34e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanpublic: 35e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AudioIoDescriptor() : 36e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman mIoHandle(AUDIO_IO_HANDLE_NONE), 37e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman mSamplingRate(0), mFormat(AUDIO_FORMAT_DEFAULT), mChannelMask(AUDIO_CHANNEL_NONE), 38e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman mFrameCount(0), mFrameCountHAL(0), mLatency(0) 39e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman { 40e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman memset(&mPatch, 0, sizeof(struct audio_patch)); 41e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman } 42e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 43e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual ~AudioIoDescriptor() {} 44e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 45e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman audio_port_handle_t getDeviceId() { 46e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman if (mPatch.num_sources != 0 && mPatch.num_sinks != 0) { 47e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman if (mPatch.sources[0].type == AUDIO_PORT_TYPE_MIX) { 48e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman // this is an output mix 49e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman // FIXME: the API only returns the first device in case of multiple device selection 50e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman return mPatch.sinks[0].id; 51e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman } else { 52e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman // this is an input mix 53e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman return mPatch.sources[0].id; 54e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman } 55e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman } 56e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman return AUDIO_PORT_HANDLE_NONE; 57e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman } 58e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 59e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman audio_io_handle_t mIoHandle; 60e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman struct audio_patch mPatch; 61e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman uint32_t mSamplingRate; 62e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman audio_format_t mFormat; 63e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman audio_channel_mask_t mChannelMask; 64e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman size_t mFrameCount; 65e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman size_t mFrameCountHAL; 66e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman uint32_t mLatency; // only valid for output 67e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman}; 68e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 69e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 70e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman}; // namespace android 71e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 72e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#endif /*ANDROID_AUDIO_IO_DESCRIPTOR_H*/ 73