AudioFlinger.h revision 3dcd00dddec86a1c5133083ad7ba2265d49c048c
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright 2007, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#ifndef ANDROID_AUDIO_FLINGER_H 1965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define ANDROID_AUDIO_FLINGER_H 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdint.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <limits.h> 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 254ff14bae91075eb274eb1c2975982358946e7e63John Grossman#include <common_time/cc_helper.h> 264ff14bae91075eb274eb1c2975982358946e7e63John Grossman 27e762be91c3280d837b1d48455cba90459ced7511Mathias Agopian#include <cutils/compiler.h> 28e762be91c3280d837b1d48455cba90459ced7511Mathias Agopian 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/IAudioFlinger.h> 3065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/IAudioFlingerClient.h> 3165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/IAudioTrack.h> 3265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/IAudioRecord.h> 33335787fe43596f38ea2fa50b24c54d0823a3fb1dGlenn Kasten#include <media/AudioSystem.h> 344ff14bae91075eb274eb1c2975982358946e7e63John Grossman#include <media/AudioTrack.h> 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Atomic.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/threads.h> 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/SortedVector.h> 40799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin#include <utils/TypeHelpers.h> 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Vector.h> 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 435462fc9a38fa8c9dff434cd53fa5fb1782ae3042Mathias Agopian#include <binder/BinderService.h> 445462fc9a38fa8c9dff434cd53fa5fb1782ae3042Mathias Agopian#include <binder/MemoryDealer.h> 455462fc9a38fa8c9dff434cd53fa5fb1782ae3042Mathias Agopian 4664760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 477394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <hardware/audio.h> 48a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent#include <hardware/audio_policy.h> 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 502dd4bdd715f586d4d30cf90cc6fc2bbfbce60fe0Glenn Kasten#include <media/AudioBufferProvider.h> 512dd4bdd715f586d4d30cf90cc6fc2bbfbce60fe0Glenn Kasten#include <media/ExtendedAudioBufferProvider.h> 5258912562617941964939a4182cda71eaeb153d4bGlenn Kasten#include "FastMixer.h" 532dd4bdd715f586d4d30cf90cc6fc2bbfbce60fe0Glenn Kasten#include <media/nbaio/NBAIO.h> 54c15d6657a17d7cef91f800f40d11760e2e7340afGlenn Kasten#include "AudioWatchdog.h" 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56feb0db689c17dced50afaee54c659f1676e2d505Eric Laurent#include <powermanager/IPowerManager.h> 57feb0db689c17dced50afaee54c659f1676e2d505Eric Laurent 589e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten#include <media/nbaio/NBLog.h> 599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 609e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianclass audio_track_cblk_t; 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianclass effect_param_cblk_t; 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianclass AudioMixer; 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianclass AudioBuffer; 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianclass AudioResampler; 6858912562617941964939a4182cda71eaeb153d4bGlenn Kastenclass FastMixer; 69e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kastenclass ServerProxy; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7353d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// AudioFlinger has a hard-coded upper limit of 2 channels for capture and playback. 7453d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// There is support for > 2 channel tracks down-mixed to 2 channel output via a down-mix effect. 7553d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// Adding full support for > 2 channel capture or playback would require more than simply changing 7653d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// this #define. There is an independent hard-coded upper limit in AudioMixer; 7753d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// removing that AudioMixer limit would be necessary but insufficient to support > 2 channels. 7853d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// The macro FCC_2 highlights some (but not all) places where there is are 2-channel assumptions. 7953d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten// Search also for "2", "left", "right", "[0]", "[1]", ">> 16", "<< 16", etc. 8053d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten#define FCC_2 2 // FCC_2 = Fixed Channel Count 2 8153d76dbe7c55821e89d9da02e7a563f7fb45de87Glenn Kasten 824ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatic const nsecs_t kDefaultStandbyTimeInNsecs = seconds(3); 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#define MAX_GAIN 4096.0f 8581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#define MAX_GAIN_INT 0x1000 8681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 8781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#define INCLUDING_FROM_AUDIOFLINGER_H 8881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 895462fc9a38fa8c9dff434cd53fa5fb1782ae3042Mathias Agopianclass AudioFlinger : 905462fc9a38fa8c9dff434cd53fa5fb1782ae3042Mathias Agopian public BinderService<AudioFlinger>, 915462fc9a38fa8c9dff434cd53fa5fb1782ae3042Mathias Agopian public BnAudioFlinger 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 931998661fdb6b0b5ae103e047e3d653c5da1b99e3Glenn Kasten friend class BinderService<AudioFlinger>; // for AudioFlinger() 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianpublic: 95e762be91c3280d837b1d48455cba90459ced7511Mathias Agopian static const char* getServiceName() ANDROID_API { return "media.audio_flinger"; } 9665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t dump(int fd, const Vector<String16>& args); 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 992f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten // IAudioFlinger interface, in binder opcode order 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual sp<IAudioTrack> createTrack( 101fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t sampleRate, 10358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 104dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, 105e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 106e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten IAudioFlinger::track_flags_t *flags, 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IMemory>& sharedBuffer, 10872ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output, 1093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid, 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int *sessionId, 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t *status); 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1132f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten virtual sp<IAudioRecord> openRecord( 1142f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten audio_io_handle_t input, 1152f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten uint32_t sampleRate, 1162f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten audio_format_t format, 117dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, 118e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 119a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t flags, 1201879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten pid_t tid, 1212f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten int *sessionId, 1222f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten status_t *status); 1232f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten 12472ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual uint32_t sampleRate(audio_io_handle_t output) const; 12572ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual int channelCount(audio_io_handle_t output) const; 12672ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual audio_format_t format(audio_io_handle_t output) const; 12772ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual size_t frameCount(audio_io_handle_t output) const; 12872ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual uint32_t latency(audio_io_handle_t output) const; 12965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t setMasterVolume(float value); 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t setMasterMute(bool muted); 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual float masterVolume() const; 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual bool masterMute() const; 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13672ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t setStreamVolume(audio_stream_type_t stream, float value, 13772ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 138fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten virtual status_t setStreamMute(audio_stream_type_t stream, bool muted); 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14072ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual float streamVolume(audio_stream_type_t stream, 14172ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) const; 142fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten virtual bool streamMute(audio_stream_type_t stream) const; 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 144f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten virtual status_t setMode(audio_mode_t mode); 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t setMicMute(bool state); 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual bool getMicMute() const; 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14972ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs); 15072ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys) const; 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual void registerClient(const sp<IAudioFlingerClient>& client); 15365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 154dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten virtual size_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, 155dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask) const; 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 157a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent virtual audio_io_handle_t openOutput(audio_module_handle_t module, 158a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_devices_t *pDevices, 159a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent uint32_t *pSamplingRate, 160a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_format_t *pFormat, 161a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_channel_mask_t *pChannelMask, 162a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent uint32_t *pLatencyMs, 163ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald audio_output_flags_t flags, 164ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo); 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16672ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, 16772ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output2); 16865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16972ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t closeOutput(audio_io_handle_t output); 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17172ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t suspendOutput(audio_io_handle_t output); 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t restoreOutput(audio_io_handle_t output); 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 175a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent virtual audio_io_handle_t openInput(audio_module_handle_t module, 176a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_devices_t *pDevices, 177a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent uint32_t *pSamplingRate, 178a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_format_t *pFormat, 179a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_channel_mask_t *pChannelMask); 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18172ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t closeInput(audio_io_handle_t input); 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t setStreamOutput(audio_stream_type_t stream, audio_io_handle_t output); 18465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t setVoiceVolume(float volume); 18665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18726c77556efc30800466b60b3975bc35a70c8c28bGlenn Kasten virtual status_t getRenderPosition(size_t *halFrames, size_t *dspFrames, 18872ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) const; 18965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1902f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten virtual unsigned int getInputFramesLost(audio_io_handle_t ioHandle) const; 1912f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten 19265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual int newAudioSessionId(); 19365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1943a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen virtual void acquireAudioSessionId(int audioSession); 1953a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 1963a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen virtual void releaseAudioSessionId(int audioSession); 1973a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 198f587ba5b991c7cd91e4df093d0d796bd419e5d67Glenn Kasten virtual status_t queryNumberEffects(uint32_t *numEffects) const; 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 200f587ba5b991c7cd91e4df093d0d796bd419e5d67Glenn Kasten virtual status_t queryEffect(uint32_t index, effect_descriptor_t *descriptor) const; 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2025e92a7861196ddae14638d4b7a63fc4892b7ef59Glenn Kasten virtual status_t getEffectDescriptor(const effect_uuid_t *pUuid, 203f587ba5b991c7cd91e4df093d0d796bd419e5d67Glenn Kasten effect_descriptor_t *descriptor) const; 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2058d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten virtual sp<IEffect> createEffect( 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian effect_descriptor_t *pDesc, 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IEffectClient>& effectClient, 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t priority, 20972ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t io, 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int sessionId, 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t *status, 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int *id, 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int *enabled); 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21572ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten virtual status_t moveEffects(int sessionId, audio_io_handle_t srcOutput, 21672ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t dstOutput); 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 218a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent virtual audio_module_handle_t loadHwModule(const char *name); 219a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent 2203b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten virtual uint32_t getPrimaryOutputSamplingRate(); 221e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten virtual size_t getPrimaryOutputFrameCount(); 222cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 2234182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten virtual status_t setLowRamDevice(bool isLowRamDevice); 2244182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t onTransact( 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const Parcel& data, 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Parcel* reply, 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t flags); 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2312f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten // end of IAudioFlinger interface 2322f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten 2339e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> newWriter_l(size_t size, const char *name); 2349e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten void unregisterWriter(const sp<NBLog::Writer>& writer); 2359e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kastenprivate: 2367f5d335f7b4caecd0dfb8f1085f352f1d2da5d2eGlenn Kasten static const size_t kLogMemorySize = 10 * 1024; 2379e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<MemoryDealer> mLogMemoryDealer; // == 0 when NBLog is disabled 2389e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kastenpublic: 2399e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten 240a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent class SyncEvent; 241a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 242a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent typedef void (*sync_event_callback_t)(const wp<SyncEvent>& event) ; 243a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 244a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent class SyncEvent : public RefBase { 245a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent public: 246a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SyncEvent(AudioSystem::sync_event_t type, 247a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int triggerSession, 248a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int listenerSession, 249a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent sync_event_callback_t callBack, 250a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent void *cookie) 251a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent : mType(type), mTriggerSession(triggerSession), mListenerSession(listenerSession), 252a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent mCallback(callBack), mCookie(cookie) 253a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent {} 254a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 255a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent virtual ~SyncEvent() {} 256a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 257a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent void trigger() { Mutex::Autolock _l(mLock); if (mCallback) mCallback(this); } 258106e8a42038f9e90d5ff97f8ab6f1a42258bde9eGlenn Kasten bool isCancelled() const { Mutex::Autolock _l(mLock); return (mCallback == NULL); } 259106e8a42038f9e90d5ff97f8ab6f1a42258bde9eGlenn Kasten void cancel() { Mutex::Autolock _l(mLock); mCallback = NULL; } 260a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent AudioSystem::sync_event_t type() const { return mType; } 261a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int triggerSession() const { return mTriggerSession; } 262a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int listenerSession() const { return mListenerSession; } 263a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent void *cookie() const { return mCookie; } 264a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 265a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent private: 266a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent const AudioSystem::sync_event_t mType; 267a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent const int mTriggerSession; 268a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent const int mListenerSession; 269a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent sync_event_callback_t mCallback; 270a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent void * const mCookie; 271106e8a42038f9e90d5ff97f8ab6f1a42258bde9eGlenn Kasten mutable Mutex mLock; 272a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent }; 273a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 274a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent sp<SyncEvent> createSyncEvent(AudioSystem::sync_event_t type, 275a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int triggerSession, 276a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int listenerSession, 277a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent sync_event_callback_t callBack, 278a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent void *cookie); 279717e128691f083a9469a1d0e363ac6ecd5c65d58Eric Laurent 2802f732eb768004c6362fae8a02c60b69c9400b032Glenn Kastenprivate: 281ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman class AudioHwDevice; // fwd declaration for findSuitableHwDev_l 282ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 283f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten audio_mode_t getMode() const { return mMode; } 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 285c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten bool btNrecIsOff() const { return mBtNrecIsOff; } 28659bd0da8373af0e5159b799495fda51e03120ea4Eric Laurent 287e762be91c3280d837b1d48455cba90459ced7511Mathias Agopian AudioFlinger() ANDROID_API; 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual ~AudioFlinger(); 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2902b213bc220768d2b984239511cd4554a96bc0079Glenn Kasten // call in any IAudioFlinger method that accesses mPrimaryHardwareDev 29185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten status_t initCheck() const { return mPrimaryHardwareDev == NULL ? 29285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten NO_INIT : NO_ERROR; } 2932b213bc220768d2b984239511cd4554a96bc0079Glenn Kasten 294000f0e39b4d0c88441297a05ab5f8da6832c1640Glenn Kasten // RefBase 2955a61d2f277af3098fc10b2881babca16391362daDima Zavin virtual void onFirstRef(); 296000f0e39b4d0c88441297a05ab5f8da6832c1640Glenn Kasten 29785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten AudioHwDevice* findSuitableHwDev_l(audio_module_handle_t module, 29885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten audio_devices_t devices); 2993a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen void purgeStaleEffects_l(); 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30166fcab972e9218d47c58a915f391b2f48a09903aGlenn Kasten // standby delay for MIXER and DUPLICATING playback threads is read from property 30266fcab972e9218d47c58a915f391b2f48a09903aGlenn Kasten // ro.audio.flinger_standbytime_ms or defaults to kDefaultStandbyTimeInNsecs 3034ff14bae91075eb274eb1c2975982358946e7e63John Grossman static nsecs_t mStandbyTimeInNsecs; 3044ff14bae91075eb274eb1c2975982358946e7e63John Grossman 30581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // incremented by 2 when screen state changes, bit 0 == 1 means "off" 30681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // AudioFlinger::setParameters() updates, other threads read w/o lock 30781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static uint32_t mScreenState; 30881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 309be5f05e0fdfc4e3799653702187861a2afa072eeGlenn Kasten // Internal dump utilities. 31081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static const int kDumpLockRetries = 50; 31181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static const int kDumpLockSleepUs = 20000; 31281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static bool dumpTryLock(Mutex& mutex); 313be5f05e0fdfc4e3799653702187861a2afa072eeGlenn Kasten void dumpPermissionDenial(int fd, const Vector<String16>& args); 314be5f05e0fdfc4e3799653702187861a2afa072eeGlenn Kasten void dumpClients(int fd, const Vector<String16>& args); 315be5f05e0fdfc4e3799653702187861a2afa072eeGlenn Kasten void dumpInternals(int fd, const Vector<String16>& args); 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // --- Client --- 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class Client : public RefBase { 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian public: 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Client(const sp<AudioFlinger>& audioFlinger, pid_t pid); 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual ~Client(); 322435dbe6c3ecd04bcb4bd80584064e287ebccd720Glenn Kasten sp<MemoryDealer> heap() const; 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian pid_t pid() const { return mPid; } 324c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten sp<AudioFlinger> audioFlinger() const { return mAudioFlinger; } 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3264ff14bae91075eb274eb1c2975982358946e7e63John Grossman bool reserveTimedTrack(); 3274ff14bae91075eb274eb1c2975982358946e7e63John Grossman void releaseTimedTrack(); 3284ff14bae91075eb274eb1c2975982358946e7e63John Grossman 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian private: 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Client(const Client&); 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Client& operator = (const Client&); 33284afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const sp<AudioFlinger> mAudioFlinger; 33384afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const sp<MemoryDealer> mMemoryDealer; 33484afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const pid_t mPid; 3354ff14bae91075eb274eb1c2975982358946e7e63John Grossman 3364ff14bae91075eb274eb1c2975982358946e7e63John Grossman Mutex mTimedTrackLock; 3374ff14bae91075eb274eb1c2975982358946e7e63John Grossman int mTimedTrackCount; 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // --- Notification Client --- 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class NotificationClient : public IBinder::DeathRecipient { 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian public: 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NotificationClient(const sp<AudioFlinger>& audioFlinger, 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IAudioFlingerClient>& client, 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian pid_t pid); 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual ~NotificationClient(); 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34884afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten sp<IAudioFlingerClient> audioFlingerClient() const { return mAudioFlingerClient; } 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // IBinder::DeathRecipient 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual void binderDied(const wp<IBinder>& who); 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian private: 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NotificationClient(const NotificationClient&); 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NotificationClient& operator = (const NotificationClient&); 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35784afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const sp<AudioFlinger> mAudioFlinger; 35884afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const pid_t mPid; 35984afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const sp<IAudioFlingerClient> mAudioFlingerClient; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class TrackHandle; 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class RecordHandle; 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class RecordThread; 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class PlaybackThread; 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class MixerThread; 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class DirectOutputThread; 368bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent class OffloadThread; 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class DuplicatingThread; 370bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent class AsyncCallbackThread; 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class Track; 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class RecordTrack; 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class EffectModule; 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class EffectHandle; 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class EffectChain; 376799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin struct AudioStreamOut; 377799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin struct AudioStreamIn; 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 379b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten struct stream_type_t { 380b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten stream_type_t() 381b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten : volume(1.0f), 3821a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent mute(false) 383b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten { 384b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten } 385b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten float volume; 386b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten bool mute; 387b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten }; 388b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // --- PlaybackThread --- 39072ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten 39181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "Threads.h" 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "Effects.h" 394717e128691f083a9469a1d0e363ac6ecd5c65d58Eric Laurent 39599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // server side of the client's IAudioTrack 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class TrackHandle : public android::BnAudioTrack { 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian public: 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian TrackHandle(const sp<PlaybackThread::Track>& track); 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual ~TrackHandle(); 40090716c5728b37637b2d0a730a721bfc9fad299e0Glenn Kasten virtual sp<IMemory> getCblk() const; 4013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten virtual status_t start(); 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual void stop(); 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual void flush(); 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual void pause(); 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t attachAuxEffect(int effectId); 4064ff14bae91075eb274eb1c2975982358946e7e63John Grossman virtual status_t allocateTimedBuffer(size_t size, 4074ff14bae91075eb274eb1c2975982358946e7e63John Grossman sp<IMemory>* buffer); 4084ff14bae91075eb274eb1c2975982358946e7e63John Grossman virtual status_t queueTimedBuffer(const sp<IMemory>& buffer, 4094ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts); 4104ff14bae91075eb274eb1c2975982358946e7e63John Grossman virtual status_t setMediaTimeTransform(const LinearTransform& xform, 4114ff14bae91075eb274eb1c2975982358946e7e63John Grossman int target); 4123dcd00dddec86a1c5133083ad7ba2265d49c048cGlenn Kasten virtual status_t setParameters(const String8& keyValuePairs); 4133dcd00dddec86a1c5133083ad7ba2265d49c048cGlenn Kasten 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t onTransact( 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags); 416ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian private: 41884afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const sp<PlaybackThread::Track> mTrack; 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // server side of the client's IAudioRecord 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian class RecordHandle : public android::BnAudioRecord { 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian public: 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian RecordHandle(const sp<RecordThread::RecordTrack>& recordTrack); 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual ~RecordHandle(); 42690716c5728b37637b2d0a730a721bfc9fad299e0Glenn Kasten virtual sp<IMemory> getCblk() const; 4270ec23ce0d1ff79566c402bc30df3074f6e25a22bGlenn Kasten virtual status_t start(int /*AudioSystem::sync_event_t*/ event, int triggerSession); 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual void stop(); 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian virtual status_t onTransact( 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags); 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian private: 43284afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten const sp<RecordThread::RecordTrack> mRecordTrack; 433d96c5724818fb47917bb5e7abe37799735e1ec0eGlenn Kasten 434d96c5724818fb47917bb5e7abe37799735e1ec0eGlenn Kasten // for use from destructor 435d96c5724818fb47917bb5e7abe37799735e1ec0eGlenn Kasten void stop_nonvirtual(); 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 438bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 43981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread *checkPlaybackThread_l(audio_io_handle_t output) const; 44081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MixerThread *checkMixerThread_l(audio_io_handle_t output) const; 44181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent RecordThread *checkRecordThread_l(audio_io_handle_t input) const; 44281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // no range check, AudioFlinger::mLock held 44381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool streamMute_l(audio_stream_type_t stream) const 44481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { return mStreamTypes[stream].mute; } 44581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // no range check, doesn't check per-thread stream volume, AudioFlinger::mLock held 44681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float streamVolume_l(audio_stream_type_t stream) const 44781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { return mStreamTypes[stream].volume; } 44881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void audioConfigChanged_l(int event, audio_io_handle_t ioHandle, const void *param2); 44991b14c4c144d0cc957a427cffc02ba10d0615677Eric Laurent 45081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // allocate an audio_io_handle_t, session ID, or effect ID 45181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t nextUniqueId(); 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t moveEffectChain_l(int sessionId, 45481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread *srcThread, 45581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread *dstThread, 45681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool reRegister); 45781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return thread associated with primary hardware device, or NULL 45881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread *primaryPlaybackThread_l() const; 45981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t primaryOutputDevice_l() const; 46065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 46181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<PlaybackThread> getEffectThread_l(int sessionId, int EffectId); 46259255e4fc7d8ff52874b85b1988dc0785140cf81Eric Laurent 46359255e4fc7d8ff52874b85b1988dc0785140cf81Eric Laurent 46481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeClient_l(pid_t pid); 46581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeNotificationClient(pid_t pid); 46665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 467ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman class AudioHwDevice { 468ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman public: 469ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman enum Flags { 470ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AHWD_CAN_SET_MASTER_VOLUME = 0x1, 471ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AHWD_CAN_SET_MASTER_MUTE = 0x2, 472ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman }; 473ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 474ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AudioHwDevice(const char *moduleName, 475ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman audio_hw_device_t *hwDevice, 476ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman Flags flags) 477ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman : mModuleName(strdup(moduleName)) 478ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman , mHwDevice(hwDevice) 479ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman , mFlags(flags) { } 480ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman /*virtual*/ ~AudioHwDevice() { free((void *)mModuleName); } 481ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 482ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman bool canSetMasterVolume() const { 483ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman return (0 != (mFlags & AHWD_CAN_SET_MASTER_VOLUME)); 484ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman } 485ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 486ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman bool canSetMasterMute() const { 487ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman return (0 != (mFlags & AHWD_CAN_SET_MASTER_MUTE)); 488ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman } 489ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 490ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman const char *moduleName() const { return mModuleName; } 491ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman audio_hw_device_t *hwDevice() const { return mHwDevice; } 492ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman private: 493ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman const char * const mModuleName; 494ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman audio_hw_device_t * const mHwDevice; 495ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman Flags mFlags; 496ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman }; 497ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 498aed850d0d3b3c8cf3feaf1438076f33db2a60946Glenn Kasten // AudioStreamOut and AudioStreamIn are immutable, so their fields are const. 499aed850d0d3b3c8cf3feaf1438076f33db2a60946Glenn Kasten // For emphasis, we could also make all pointers to them be "const *", 500aed850d0d3b3c8cf3feaf1438076f33db2a60946Glenn Kasten // but that would clutter the code unnecessarily. 501aed850d0d3b3c8cf3feaf1438076f33db2a60946Glenn Kasten 502799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin struct AudioStreamOut { 503ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AudioHwDevice* const audioHwDev; 504aed850d0d3b3c8cf3feaf1438076f33db2a60946Glenn Kasten audio_stream_out_t* const stream; 505bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent audio_output_flags_t flags; 506799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin 507ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman audio_hw_device_t* hwDev() const { return audioHwDev->hwDevice(); } 508ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 509bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent AudioStreamOut(AudioHwDevice *dev, audio_stream_out_t *out, audio_output_flags_t flags) : 510bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent audioHwDev(dev), stream(out), flags(flags) {} 511799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin }; 512799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin 513799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin struct AudioStreamIn { 514ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AudioHwDevice* const audioHwDev; 515aed850d0d3b3c8cf3feaf1438076f33db2a60946Glenn Kasten audio_stream_in_t* const stream; 516799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin 517ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman audio_hw_device_t* hwDev() const { return audioHwDev->hwDevice(); } 518ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman 519ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AudioStreamIn(AudioHwDevice *dev, audio_stream_in_t *in) : 520ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman audioHwDev(dev), stream(in) {} 521799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin }; 522799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin 52399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // for mAudioSessionRefs only 5243a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen struct AudioSessionRef { 525012ca6b4f69fb24385025c0e84b8f816525a3032Glenn Kasten AudioSessionRef(int sessionid, pid_t pid) : 526012ca6b4f69fb24385025c0e84b8f816525a3032Glenn Kasten mSessionid(sessionid), mPid(pid), mCnt(1) {} 527012ca6b4f69fb24385025c0e84b8f816525a3032Glenn Kasten const int mSessionid; 528012ca6b4f69fb24385025c0e84b8f816525a3032Glenn Kasten const pid_t mPid; 529012ca6b4f69fb24385025c0e84b8f816525a3032Glenn Kasten int mCnt; 5303a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen }; 5313a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 53265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mutable Mutex mLock; 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53498ec94c5854daccc3474758524e7f4adfe535ce0Glenn Kasten DefaultKeyedVector< pid_t, wp<Client> > mClients; // see ~Client() 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mutable Mutex mHardwareLock; 537a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent // NOTE: If both mLock and mHardwareLock mutexes must be held, 538a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent // always take mLock before mHardwareLock 5392b213bc220768d2b984239511cd4554a96bc0079Glenn Kasten 5402b213bc220768d2b984239511cd4554a96bc0079Glenn Kasten // These two fields are immutable after onFirstRef(), so no lock needed to access 541ee578c0330319f04a48bccbdb26b53fea0388d04John Grossman AudioHwDevice* mPrimaryHardwareDev; // mAudioHwDevs[0] or NULL 542a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent DefaultKeyedVector<audio_module_handle_t, AudioHwDevice*> mAudioHwDevs; 5432f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten 5448abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten // for dump, indicates which hardware operation is currently in progress (but not stream ops) 5452f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten enum hardware_call_state { 5468abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_IDLE = 0, // no operation in progress 5478abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_INIT, // init_check 5488abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_OUTPUT_OPEN, // open_output_stream 5498abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_OUTPUT_CLOSE, // unused 5508abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_INPUT_OPEN, // unused 5518abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_INPUT_CLOSE, // unused 5528abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_STANDBY, // unused 5538abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_SET_MASTER_VOLUME, // set_master_volume 5548abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_GET_ROUTING, // unused 5558abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_SET_ROUTING, // unused 5568abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_GET_MODE, // unused 5578abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_SET_MODE, // set_mode 5588abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_GET_MIC_MUTE, // get_mic_mute 5598abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_SET_MIC_MUTE, // set_mic_mute 5608abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_SET_VOICE_VOLUME, // set_voice_volume 5618abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_SET_PARAMETER, // set_parameters 5628abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_GET_INPUT_BUFFER_SIZE, // get_input_buffer_size 5638abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_GET_MASTER_VOLUME, // get_master_volume 5648abf44d2f2bcd20a2835570efe89d89c19db426aGlenn Kasten AUDIO_HW_GET_PARAMETER, // get_parameters 565d8f178d613821c3f61a5c5e391eb275339e526a9John Grossman AUDIO_HW_SET_MASTER_MUTE, // set_master_mute 566d8f178d613821c3f61a5c5e391eb275339e526a9John Grossman AUDIO_HW_GET_MASTER_MUTE, // get_master_mute 5672f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten }; 5682f732eb768004c6362fae8a02c60b69c9400b032Glenn Kasten 569a4454b4765c5905f14186893b0688be375642283Glenn Kasten mutable hardware_call_state mHardwareStatus; // for dump only 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten DefaultKeyedVector< audio_io_handle_t, sp<PlaybackThread> > mPlaybackThreads; 573b7bf796b758e144f94f6ed4d16c21bf22a118fb3Glenn Kasten stream_type_t mStreamTypes[AUDIO_STREAM_CNT]; 5749806710f5d6722cfc5783c7eca3512451a0f2035Glenn Kasten 575c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // member variables below are protected by mLock 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian float mMasterVolume; 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool mMasterMute; 578c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // end of variables protected by mLock 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58072ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten DefaultKeyedVector< audio_io_handle_t, sp<RecordThread> > mRecordThreads; 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian DefaultKeyedVector< pid_t, sp<NotificationClient> > mNotificationClients; 58399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten volatile int32_t mNextUniqueId; // updated by android_atomic_inc 584f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten audio_mode_t mMode; 585bee5337da7659b3b7128622ba1f42618b11df5beEric Laurent bool mBtNrecIsOff; 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // protected by mLock 5883a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen Vector<AudioSessionRef*> mAudioSessionRefs; 5899806710f5d6722cfc5783c7eca3512451a0f2035Glenn Kasten 5904ff14bae91075eb274eb1c2975982358946e7e63John Grossman float masterVolume_l() const; 591d8f178d613821c3f61a5c5e391eb275339e526a9John Grossman bool masterMute_l() const; 592a4c5a550e2a3bc237179b8684e51718e05894492Eric Laurent audio_module_handle_t loadHwModule_l(const char *name); 59398ec94c5854daccc3474758524e7f4adfe535ce0Glenn Kasten 594a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent Vector < sp<SyncEvent> > mPendingSyncEvents; // sync events awaiting for a session 595a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // to be created 596a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 59798ec94c5854daccc3474758524e7f4adfe535ce0Glenn Kastenprivate: 59898ec94c5854daccc3474758524e7f4adfe535ce0Glenn Kasten sp<Client> registerPid_l(pid_t pid); // always returns non-0 59998ec94c5854daccc3474758524e7f4adfe535ce0Glenn Kasten 600d96c5724818fb47917bb5e7abe37799735e1ec0eGlenn Kasten // for use from destructor 601d96c5724818fb47917bb5e7abe37799735e1ec0eGlenn Kasten status_t closeOutput_nonvirtual(audio_io_handle_t output); 602d96c5724818fb47917bb5e7abe37799735e1ec0eGlenn Kasten status_t closeInput_nonvirtual(audio_io_handle_t input); 603d06785bebf7e43d4a011b62a252771373ada910cGlenn Kasten 6040d61251648b5110bfc33ef5b3d19bbf65db0a7b5Glenn Kasten#ifdef TEE_SINK 605d06785bebf7e43d4a011b62a252771373ada910cGlenn Kasten // all record threads serially share a common tee sink, which is re-created on format change 606d06785bebf7e43d4a011b62a252771373ada910cGlenn Kasten sp<NBAIO_Sink> mRecordTeeSink; 607d06785bebf7e43d4a011b62a252771373ada910cGlenn Kasten sp<NBAIO_Source> mRecordTeeSource; 6080d61251648b5110bfc33ef5b3d19bbf65db0a7b5Glenn Kasten#endif 609d06785bebf7e43d4a011b62a252771373ada910cGlenn Kasten 610d06785bebf7e43d4a011b62a252771373ada910cGlenn Kastenpublic: 61146909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten 61246909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#ifdef TEE_SINK 613da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten // tee sink, if enabled by property, allows dumpsys to write most recent audio to .wav file 614d06785bebf7e43d4a011b62a252771373ada910cGlenn Kasten static void dumpTee(int fd, const sp<NBAIO_Source>& source, audio_io_handle_t id = 0); 615da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten 616da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten // whether tee sink is enabled by property 617da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static bool mTeeSinkInputEnabled; 618da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static bool mTeeSinkOutputEnabled; 619da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static bool mTeeSinkTrackEnabled; 620da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten 621da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten // runtime configured size of each tee sink pipe, in frames 622da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static size_t mTeeSinkInputFrames; 623da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static size_t mTeeSinkOutputFrames; 624da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static size_t mTeeSinkTrackFrames; 625da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten 626da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten // compile-time default size of tee sink pipes, in frames 627da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten // 0x200000 stereo 16-bit PCM frames = 47.5 seconds at 44.1 kHz, 8 megabytes 628da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static const size_t kTeeSinkInputFramesDefault = 0x200000; 629da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static const size_t kTeeSinkOutputFramesDefault = 0x200000; 630da6ef1320d0161b1640dc84d7a9c5a25860c3619Glenn Kasten static const size_t kTeeSinkTrackFramesDefault = 0x1000; 63146909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#endif 63246909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten 6334182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten // This method reads from a variable without mLock, but the variable is updated under mLock. So 6344182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten // we might read a stale value, or a value that's inconsistent with respect to other variables. 6354182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten // In this case, it's safe because the return value isn't used for making an important decision. 6364182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten // The reason we don't want to take mLock is because it could block the caller for a long time. 6374182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten bool isLowRamDevice() const { return mIsLowRamDevice; } 6384182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 6394182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kastenprivate: 6404182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten bool mIsLowRamDevice; 6414182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten bool mIsDeviceTypeKnown; 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#undef INCLUDING_FROM_AUDIOFLINGER_H 645799a70e7028a4d714436c3a744a775acfbd31aaeDima Zavin 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#endif // ANDROID_AUDIO_FLINGER_H 651