PatchPanel.h revision 1c333e252cbca3337c1bedbc57a005f3b7d23fdb
1/* 2** 3** Copyright 2014, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#ifndef INCLUDING_FROM_AUDIOFLINGER_H 19 #error This header file should only be included from AudioFlinger.h 20#endif 21 22class PatchPanel : public RefBase { 23public: 24 PatchPanel(const sp<AudioFlinger>& audioFlinger); 25 virtual ~PatchPanel(); 26 27 /* List connected audio ports and their attributes */ 28 status_t listAudioPorts(unsigned int *num_ports, 29 struct audio_port *ports); 30 31 /* Get supported attributes for a given audio port */ 32 status_t getAudioPort(struct audio_port *port); 33 34 /* Create a patch between several source and sink ports */ 35 status_t createAudioPatch(const struct audio_patch *patch, 36 audio_patch_handle_t *handle); 37 38 /* Release a patch */ 39 status_t releaseAudioPatch(audio_patch_handle_t handle); 40 41 /* List connected audio devices and they attributes */ 42 status_t listAudioPatches(unsigned int *num_patches, 43 struct audio_patch *patches); 44 45 /* Set audio port configuration */ 46 status_t setAudioPortConfig(const struct audio_port_config *config); 47 48 class Patch { 49 public: 50 Patch(const struct audio_patch *patch) : 51 mAudioPatch(*patch), mHandle(0), mHalHandle(0) {} 52 53 struct audio_patch mAudioPatch; 54 audio_patch_handle_t mHandle; 55 audio_patch_handle_t mHalHandle; 56 }; 57private: 58 const wp<AudioFlinger> mAudioFlinger; 59 SortedVector <Patch *> mPatches; 60}; 61