goldfish: add legacy audio HAL
Change-Id: I7096af32ae11b955e4127864ad2768eca8c424ff
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/audio/Android.mk b/audio/Android.mk
new file mode 100644
index 0000000..b1f19ea
--- /dev/null
+++ b/audio/Android.mk
@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2011 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := audio.primary.goldfish
+LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SHARED_LIBRARIES := \
+ libcutils \
+ libutils \
+ libmedia \
+ libhardware_legacy
+
+ifeq ($(TARGET_OS)-$(TARGET_SIMULATOR),linux-true)
+LOCAL_LDLIBS += -ldl
+endif
+
+ifneq ($(TARGET_SIMULATOR),true)
+LOCAL_SHARED_LIBRARIES += libdl
+endif
+
+LOCAL_SRC_FILES += \
+ AudioHardwareGeneric.cpp
+
+LOCAL_STATIC_LIBRARIES := \
+ libmedia_helper
+
+LOCAL_WHOLE_STATIC_LIBRARIES := \
+ libaudiohw_legacy
+
+include $(BUILD_SHARED_LIBRARY)
+
+
diff --git a/audio/AudioHardwareGeneric.cpp b/audio/AudioHardwareGeneric.cpp
new file mode 100644
index 0000000..75d1540
--- /dev/null
+++ b/audio/AudioHardwareGeneric.cpp
@@ -0,0 +1,415 @@
+/*
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sched.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#define LOG_TAG "AudioHardware"
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+#include "AudioHardwareGeneric.h"
+#include <media/AudioRecord.h>
+
+namespace android_audio_legacy {
+
+// ----------------------------------------------------------------------------
+
+static char const * const kAudioDeviceName = "/dev/eac";
+
+// ----------------------------------------------------------------------------
+
+AudioHardwareGeneric::AudioHardwareGeneric()
+ : mOutput(0), mInput(0), mFd(-1), mMicMute(false)
+{
+ mFd = ::open(kAudioDeviceName, O_RDWR);
+}
+
+AudioHardwareGeneric::~AudioHardwareGeneric()
+{
+ if (mFd >= 0) ::close(mFd);
+ closeOutputStream((AudioStreamOut *)mOutput);
+ closeInputStream((AudioStreamIn *)mInput);
+}
+
+status_t AudioHardwareGeneric::initCheck()
+{
+ if (mFd >= 0) {
+ if (::access(kAudioDeviceName, O_RDWR) == NO_ERROR)
+ return NO_ERROR;
+ }
+ return NO_INIT;
+}
+
+AudioStreamOut* AudioHardwareGeneric::openOutputStream(
+ uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status)
+{
+ AutoMutex lock(mLock);
+
+ // only one output stream allowed
+ if (mOutput) {
+ if (status) {
+ *status = INVALID_OPERATION;
+ }
+ return 0;
+ }
+
+ // create new output stream
+ AudioStreamOutGeneric* out = new AudioStreamOutGeneric();
+ status_t lStatus = out->set(this, mFd, devices, format, channels, sampleRate);
+ if (status) {
+ *status = lStatus;
+ }
+ if (lStatus == NO_ERROR) {
+ mOutput = out;
+ } else {
+ delete out;
+ }
+ return mOutput;
+}
+
+void AudioHardwareGeneric::closeOutputStream(AudioStreamOut* out) {
+ if (mOutput && out == mOutput) {
+ delete mOutput;
+ mOutput = 0;
+ }
+}
+
+AudioStreamIn* AudioHardwareGeneric::openInputStream(
+ uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate,
+ status_t *status, AudioSystem::audio_in_acoustics acoustics)
+{
+ // check for valid input source
+ if (!AudioSystem::isInputDevice((AudioSystem::audio_devices)devices)) {
+ return 0;
+ }
+
+ AutoMutex lock(mLock);
+
+ // only one input stream allowed
+ if (mInput) {
+ if (status) {
+ *status = INVALID_OPERATION;
+ }
+ return 0;
+ }
+
+ // create new output stream
+ AudioStreamInGeneric* in = new AudioStreamInGeneric();
+ status_t lStatus = in->set(this, mFd, devices, format, channels, sampleRate, acoustics);
+ if (status) {
+ *status = lStatus;
+ }
+ if (lStatus == NO_ERROR) {
+ mInput = in;
+ } else {
+ delete in;
+ }
+ return mInput;
+}
+
+void AudioHardwareGeneric::closeInputStream(AudioStreamIn* in) {
+ if (mInput && in == mInput) {
+ delete mInput;
+ mInput = 0;
+ }
+}
+
+status_t AudioHardwareGeneric::setVoiceVolume(float v)
+{
+ // Implement: set voice volume
+ return NO_ERROR;
+}
+
+status_t AudioHardwareGeneric::setMasterVolume(float v)
+{
+ // Implement: set master volume
+ // return error - software mixer will handle it
+ return INVALID_OPERATION;
+}
+
+status_t AudioHardwareGeneric::setMicMute(bool state)
+{
+ mMicMute = state;
+ return NO_ERROR;
+}
+
+status_t AudioHardwareGeneric::getMicMute(bool* state)
+{
+ *state = mMicMute;
+ return NO_ERROR;
+}
+
+status_t AudioHardwareGeneric::dumpInternals(int fd, const Vector<String16>& args)
+{
+ const size_t SIZE = 256;
+ char buffer[SIZE];
+ String8 result;
+ result.append("AudioHardwareGeneric::dumpInternals\n");
+ snprintf(buffer, SIZE, "\tmFd: %d mMicMute: %s\n", mFd, mMicMute? "true": "false");
+ result.append(buffer);
+ ::write(fd, result.string(), result.size());
+ return NO_ERROR;
+}
+
+status_t AudioHardwareGeneric::dump(int fd, const Vector<String16>& args)
+{
+ dumpInternals(fd, args);
+ if (mInput) {
+ mInput->dump(fd, args);
+ }
+ if (mOutput) {
+ mOutput->dump(fd, args);
+ }
+ return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+
+status_t AudioStreamOutGeneric::set(
+ AudioHardwareGeneric *hw,
+ int fd,
+ uint32_t devices,
+ int *pFormat,
+ uint32_t *pChannels,
+ uint32_t *pRate)
+{
+ int lFormat = pFormat ? *pFormat : 0;
+ uint32_t lChannels = pChannels ? *pChannels : 0;
+ uint32_t lRate = pRate ? *pRate : 0;
+
+ // fix up defaults
+ if (lFormat == 0) lFormat = format();
+ if (lChannels == 0) lChannels = channels();
+ if (lRate == 0) lRate = sampleRate();
+
+ // check values
+ if ((lFormat != format()) ||
+ (lChannels != channels()) ||
+ (lRate != sampleRate())) {
+ if (pFormat) *pFormat = format();
+ if (pChannels) *pChannels = channels();
+ if (pRate) *pRate = sampleRate();
+ return BAD_VALUE;
+ }
+
+ if (pFormat) *pFormat = lFormat;
+ if (pChannels) *pChannels = lChannels;
+ if (pRate) *pRate = lRate;
+
+ mAudioHardware = hw;
+ mFd = fd;
+ mDevice = devices;
+ return NO_ERROR;
+}
+
+AudioStreamOutGeneric::~AudioStreamOutGeneric()
+{
+}
+
+ssize_t AudioStreamOutGeneric::write(const void* buffer, size_t bytes)
+{
+ Mutex::Autolock _l(mLock);
+ return ssize_t(::write(mFd, buffer, bytes));
+}
+
+status_t AudioStreamOutGeneric::standby()
+{
+ // Implement: audio hardware to standby mode
+ return NO_ERROR;
+}
+
+status_t AudioStreamOutGeneric::dump(int fd, const Vector<String16>& args)
+{
+ const size_t SIZE = 256;
+ char buffer[SIZE];
+ String8 result;
+ snprintf(buffer, SIZE, "AudioStreamOutGeneric::dump\n");
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tformat: %d\n", format());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tdevice: %d\n", mDevice);
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware);
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tmFd: %d\n", mFd);
+ result.append(buffer);
+ ::write(fd, result.string(), result.size());
+ return NO_ERROR;
+}
+
+status_t AudioStreamOutGeneric::setParameters(const String8& keyValuePairs)
+{
+ AudioParameter param = AudioParameter(keyValuePairs);
+ String8 key = String8(AudioParameter::keyRouting);
+ status_t status = NO_ERROR;
+ int device;
+ LOGV("setParameters() %s", keyValuePairs.string());
+
+ if (param.getInt(key, device) == NO_ERROR) {
+ mDevice = device;
+ param.remove(key);
+ }
+
+ if (param.size()) {
+ status = BAD_VALUE;
+ }
+ return status;
+}
+
+String8 AudioStreamOutGeneric::getParameters(const String8& keys)
+{
+ AudioParameter param = AudioParameter(keys);
+ String8 value;
+ String8 key = String8(AudioParameter::keyRouting);
+
+ if (param.get(key, value) == NO_ERROR) {
+ param.addInt(key, (int)mDevice);
+ }
+
+ LOGV("getParameters() %s", param.toString().string());
+ return param.toString();
+}
+
+status_t AudioStreamOutGeneric::getRenderPosition(uint32_t *dspFrames)
+{
+ return INVALID_OPERATION;
+}
+
+// ----------------------------------------------------------------------------
+
+// record functions
+status_t AudioStreamInGeneric::set(
+ AudioHardwareGeneric *hw,
+ int fd,
+ uint32_t devices,
+ int *pFormat,
+ uint32_t *pChannels,
+ uint32_t *pRate,
+ AudioSystem::audio_in_acoustics acoustics)
+{
+ if (pFormat == 0 || pChannels == 0 || pRate == 0) return BAD_VALUE;
+ LOGV("AudioStreamInGeneric::set(%p, %d, %d, %d, %u)", hw, fd, *pFormat, *pChannels, *pRate);
+ // check values
+ if ((*pFormat != format()) ||
+ (*pChannels != channels()) ||
+ (*pRate != sampleRate())) {
+ LOGE("Error opening input channel");
+ *pFormat = format();
+ *pChannels = channels();
+ *pRate = sampleRate();
+ return BAD_VALUE;
+ }
+
+ mAudioHardware = hw;
+ mFd = fd;
+ mDevice = devices;
+ return NO_ERROR;
+}
+
+AudioStreamInGeneric::~AudioStreamInGeneric()
+{
+}
+
+ssize_t AudioStreamInGeneric::read(void* buffer, ssize_t bytes)
+{
+ AutoMutex lock(mLock);
+ if (mFd < 0) {
+ LOGE("Attempt to read from unopened device");
+ return NO_INIT;
+ }
+ return ::read(mFd, buffer, bytes);
+}
+
+status_t AudioStreamInGeneric::dump(int fd, const Vector<String16>& args)
+{
+ const size_t SIZE = 256;
+ char buffer[SIZE];
+ String8 result;
+ snprintf(buffer, SIZE, "AudioStreamInGeneric::dump\n");
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tformat: %d\n", format());
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tdevice: %d\n", mDevice);
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware);
+ result.append(buffer);
+ snprintf(buffer, SIZE, "\tmFd: %d\n", mFd);
+ result.append(buffer);
+ ::write(fd, result.string(), result.size());
+ return NO_ERROR;
+}
+
+status_t AudioStreamInGeneric::setParameters(const String8& keyValuePairs)
+{
+ AudioParameter param = AudioParameter(keyValuePairs);
+ String8 key = String8(AudioParameter::keyRouting);
+ status_t status = NO_ERROR;
+ int device;
+ LOGV("setParameters() %s", keyValuePairs.string());
+
+ if (param.getInt(key, device) == NO_ERROR) {
+ mDevice = device;
+ param.remove(key);
+ }
+
+ if (param.size()) {
+ status = BAD_VALUE;
+ }
+ return status;
+}
+
+String8 AudioStreamInGeneric::getParameters(const String8& keys)
+{
+ AudioParameter param = AudioParameter(keys);
+ String8 value;
+ String8 key = String8(AudioParameter::keyRouting);
+
+ if (param.get(key, value) == NO_ERROR) {
+ param.addInt(key, (int)mDevice);
+ }
+
+ LOGV("getParameters() %s", param.toString().string());
+ return param.toString();
+}
+
+// ----------------------------------------------------------------------------
+
+extern "C" AudioHardwareInterface* createAudioHardware(void) {
+ return new AudioHardwareGeneric();
+}
+
+}; // namespace android
diff --git a/audio/AudioHardwareGeneric.h b/audio/AudioHardwareGeneric.h
new file mode 100644
index 0000000..4690b36
--- /dev/null
+++ b/audio/AudioHardwareGeneric.h
@@ -0,0 +1,153 @@
+/*
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef ANDROID_AUDIO_HARDWARE_GENERIC_H
+#define ANDROID_AUDIO_HARDWARE_GENERIC_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/threads.h>
+
+#include <hardware_legacy/AudioHardwareBase.h>
+
+namespace android_audio_legacy {
+ using android::Mutex;
+ using android::AutoMutex;
+
+// ----------------------------------------------------------------------------
+
+class AudioHardwareGeneric;
+
+class AudioStreamOutGeneric : public AudioStreamOut {
+public:
+ AudioStreamOutGeneric() : mAudioHardware(0), mFd(-1) {}
+ virtual ~AudioStreamOutGeneric();
+
+ virtual status_t set(
+ AudioHardwareGeneric *hw,
+ int mFd,
+ uint32_t devices,
+ int *pFormat,
+ uint32_t *pChannels,
+ uint32_t *pRate);
+
+ virtual uint32_t sampleRate() const { return 44100; }
+ virtual size_t bufferSize() const { return 4096; }
+ virtual uint32_t channels() const { return AudioSystem::CHANNEL_OUT_STEREO; }
+ virtual int format() const { return AudioSystem::PCM_16_BIT; }
+ virtual uint32_t latency() const { return 20; }
+ virtual status_t setVolume(float left, float right) { return INVALID_OPERATION; }
+ virtual ssize_t write(const void* buffer, size_t bytes);
+ virtual status_t standby();
+ virtual status_t dump(int fd, const Vector<String16>& args);
+ virtual status_t setParameters(const String8& keyValuePairs);
+ virtual String8 getParameters(const String8& keys);
+ virtual status_t getRenderPosition(uint32_t *dspFrames);
+
+private:
+ AudioHardwareGeneric *mAudioHardware;
+ Mutex mLock;
+ int mFd;
+ uint32_t mDevice;
+};
+
+class AudioStreamInGeneric : public AudioStreamIn {
+public:
+ AudioStreamInGeneric() : mAudioHardware(0), mFd(-1) {}
+ virtual ~AudioStreamInGeneric();
+
+ virtual status_t set(
+ AudioHardwareGeneric *hw,
+ int mFd,
+ uint32_t devices,
+ int *pFormat,
+ uint32_t *pChannels,
+ uint32_t *pRate,
+ AudioSystem::audio_in_acoustics acoustics);
+
+ virtual uint32_t sampleRate() const { return 8000; }
+ virtual size_t bufferSize() const { return 320; }
+ virtual uint32_t channels() const { return AudioSystem::CHANNEL_IN_MONO; }
+ virtual int format() const { return AudioSystem::PCM_16_BIT; }
+ virtual status_t setGain(float gain) { return INVALID_OPERATION; }
+ virtual ssize_t read(void* buffer, ssize_t bytes);
+ virtual status_t dump(int fd, const Vector<String16>& args);
+ virtual status_t standby() { return NO_ERROR; }
+ virtual status_t setParameters(const String8& keyValuePairs);
+ virtual String8 getParameters(const String8& keys);
+ virtual unsigned int getInputFramesLost() const { return 0; }
+
+private:
+ AudioHardwareGeneric *mAudioHardware;
+ Mutex mLock;
+ int mFd;
+ uint32_t mDevice;
+};
+
+
+class AudioHardwareGeneric : public AudioHardwareBase
+{
+public:
+ AudioHardwareGeneric();
+ virtual ~AudioHardwareGeneric();
+ virtual status_t initCheck();
+ virtual status_t setVoiceVolume(float volume);
+ virtual status_t setMasterVolume(float volume);
+
+ // mic mute
+ virtual status_t setMicMute(bool state);
+ virtual status_t getMicMute(bool* state);
+
+ // create I/O streams
+ virtual AudioStreamOut* openOutputStream(
+ uint32_t devices,
+ int *format=0,
+ uint32_t *channels=0,
+ uint32_t *sampleRate=0,
+ status_t *status=0);
+ virtual void closeOutputStream(AudioStreamOut* out);
+
+ virtual AudioStreamIn* openInputStream(
+ uint32_t devices,
+ int *format,
+ uint32_t *channels,
+ uint32_t *sampleRate,
+ status_t *status,
+ AudioSystem::audio_in_acoustics acoustics);
+ virtual void closeInputStream(AudioStreamIn* in);
+
+ void closeOutputStream(AudioStreamOutGeneric* out);
+ void closeInputStream(AudioStreamInGeneric* in);
+protected:
+ virtual status_t dump(int fd, const Vector<String16>& args);
+
+private:
+ status_t dumpInternals(int fd, const Vector<String16>& args);
+
+ Mutex mLock;
+ AudioStreamOutGeneric *mOutput;
+ AudioStreamInGeneric *mInput;
+ int mFd;
+ bool mMicMute;
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_AUDIO_HARDWARE_GENERIC_H
diff --git a/audio/MODULE_LICENSE_APACHE2 b/audio/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/MODULE_LICENSE_APACHE2
diff --git a/audio/NOTICE b/audio/NOTICE
new file mode 100644
index 0000000..3237da6
--- /dev/null
+++ b/audio/NOTICE
@@ -0,0 +1,190 @@
+
+ Copyright (c) 2008-2009, The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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+
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+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
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+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
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+ communication on electronic mailing lists, source code control systems,
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+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
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+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
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