IAudioTrack.cpp revision 5ff1dd576bb93c45b44088a51544a18fc43ebf58
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* //device/extlibs/pv/android/IAudioTrack.cpp 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent#define LOG_TAG "IAudioTrack" 1934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent//#define LOG_NDEBUG 0 2034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent#include <utils/Log.h> 2134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <stdint.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 257562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/IAudioTrack.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectenum { 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project GET_CBLK = IBinder::FIRST_CALL_TRANSACTION, 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project START, 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project STOP, 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project FLUSH, 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project MUTE, 37be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent PAUSE, 38be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent ATTACH_AUX_EFFECT 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectclass BpAudioTrack : public BpInterface<IAudioTrack> 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectpublic: 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project BpAudioTrack(const sp<IBinder>& impl) 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : BpInterface<IAudioTrack>(impl) 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual status_t start() 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Parcel data, reply; 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 5334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status = remote()->transact(START, data, &reply); 5434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status == NO_ERROR) { 5534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status = reply.readInt32(); 5634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 575ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("start() error: %s", strerror(-status)); 5834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 5934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void stop() 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Parcel data, reply; 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project remote()->transact(STOP, data, &reply); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void flush() 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Parcel data, reply; 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project remote()->transact(FLUSH, data, &reply); 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void mute(bool e) 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Parcel data, reply; 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInt32(e); 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project remote()->transact(MUTE, data, &reply); 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void pause() 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Parcel data, reply; 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project remote()->transact(PAUSE, data, &reply); 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual sp<IMemory> getCblk() const 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Parcel data, reply; 945841db78dff14898538200287d246577b1fc37e2Eric Laurent sp<IMemory> cblk; 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 965841db78dff14898538200287d246577b1fc37e2Eric Laurent status_t status = remote()->transact(GET_CBLK, data, &reply); 975841db78dff14898538200287d246577b1fc37e2Eric Laurent if (status == NO_ERROR) { 985841db78dff14898538200287d246577b1fc37e2Eric Laurent cblk = interface_cast<IMemory>(reply.readStrongBinder()); 995841db78dff14898538200287d246577b1fc37e2Eric Laurent } 1005841db78dff14898538200287d246577b1fc37e2Eric Laurent return cblk; 101be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 102be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 103be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent virtual status_t attachAuxEffect(int effectId) 104be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent { 105be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent Parcel data, reply; 106be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent data.writeInterfaceToken(IAudioTrack::getInterfaceDescriptor()); 107be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent data.writeInt32(effectId); 108be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent status_t status = remote()->transact(ATTACH_AUX_EFFECT, data, &reply); 109be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (status == NO_ERROR) { 110be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent status = reply.readInt32(); 111be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } else { 1125ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("attachAuxEffect() error: %s", strerror(-status)); 113be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 114be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return status; 115be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectIMPLEMENT_META_INTERFACE(AudioTrack, "android.media.IAudioTrack"); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ---------------------------------------------------------------------- 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t BnAudioTrack::onTransact( 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(code) { 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case GET_CBLK: { 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project CHECK_INTERFACE(IAudioTrack, data, reply); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project reply->writeStrongBinder(getCblk()->asBinder()); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } break; 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case START: { 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project CHECK_INTERFACE(IAudioTrack, data, reply); 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project reply->writeInt32(start()); 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } break; 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case STOP: { 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project CHECK_INTERFACE(IAudioTrack, data, reply); 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } break; 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case FLUSH: { 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project CHECK_INTERFACE(IAudioTrack, data, reply); 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } break; 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case MUTE: { 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project CHECK_INTERFACE(IAudioTrack, data, reply); 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mute( data.readInt32() ); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } break; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case PAUSE: { 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project CHECK_INTERFACE(IAudioTrack, data, reply); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project pause(); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent case ATTACH_AUX_EFFECT: { 157be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent CHECK_INTERFACE(IAudioTrack, data, reply); 158be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent reply->writeInt32(attachAuxEffect(data.readInt32())); 159be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 160be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } break; 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BBinder::onTransact(code, data, reply, flags); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168