The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_media_AudioSystem.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, 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 | #define LOG_TAG "AudioSystem" |
| 19 | #include "utils/Log.h" |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <unistd.h> |
| 23 | #include <fcntl.h> |
| 24 | #include <math.h> |
| 25 | |
| 26 | #include "jni.h" |
| 27 | #include "JNIHelp.h" |
| 28 | #include "android_runtime/AndroidRuntime.h" |
| 29 | |
| 30 | #include <media/AudioSystem.h> |
| 31 | #include <media/AudioTrack.h> |
| 32 | |
Dima Zavin | 34bb419 | 2011-05-11 14:15:23 -0700 | [diff] [blame^] | 33 | #include <system/audio.h> |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 34 | #include <hardware/audio_policy.h> |
| 35 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | // ---------------------------------------------------------------------------- |
| 37 | |
| 38 | using namespace android; |
| 39 | |
Glenn Kasten | ed0079d | 2011-04-04 10:50:50 -0700 | [diff] [blame] | 40 | static const char* const kClassPathName = "android/media/AudioSystem"; |
| 41 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 42 | enum AudioError { |
| 43 | kAudioStatusOk = 0, |
| 44 | kAudioStatusError = 1, |
| 45 | kAudioStatusMediaServerDied = 100 |
| 46 | }; |
| 47 | |
| 48 | static int check_AudioSystem_Command(status_t status) |
| 49 | { |
| 50 | if (status == NO_ERROR) { |
| 51 | return kAudioStatusOk; |
| 52 | } else { |
| 53 | return kAudioStatusError; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | static int |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 58 | android_media_AudioSystem_muteMicrophone(JNIEnv *env, jobject thiz, jboolean on) |
| 59 | { |
| 60 | return check_AudioSystem_Command(AudioSystem::muteMicrophone(on)); |
| 61 | } |
| 62 | |
| 63 | static jboolean |
| 64 | android_media_AudioSystem_isMicrophoneMuted(JNIEnv *env, jobject thiz) |
| 65 | { |
| 66 | bool state = false; |
| 67 | AudioSystem::isMicrophoneMuted(&state); |
| 68 | return state; |
| 69 | } |
| 70 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 71 | static jboolean |
Eric Laurent | 25101b0 | 2011-02-02 09:33:30 -0800 | [diff] [blame] | 72 | android_media_AudioSystem_isStreamActive(JNIEnv *env, jobject thiz, jint stream, jint inPastMs) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | { |
| 74 | bool state = false; |
Eric Laurent | 25101b0 | 2011-02-02 09:33:30 -0800 | [diff] [blame] | 75 | AudioSystem::isStreamActive(stream, &state, inPastMs); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 76 | return state; |
| 77 | } |
| 78 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 79 | static int |
| 80 | android_media_AudioSystem_setParameters(JNIEnv *env, jobject thiz, jstring keyValuePairs) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 82 | const jchar* c_keyValuePairs = env->GetStringCritical(keyValuePairs, 0); |
| 83 | String8 c_keyValuePairs8; |
| 84 | if (keyValuePairs) { |
| 85 | c_keyValuePairs8 = String8(c_keyValuePairs, env->GetStringLength(keyValuePairs)); |
| 86 | env->ReleaseStringCritical(keyValuePairs, c_keyValuePairs); |
| 87 | } |
| 88 | int status = check_AudioSystem_Command(AudioSystem::setParameters(0, c_keyValuePairs8)); |
| 89 | return status; |
| 90 | } |
| 91 | |
| 92 | static jstring |
| 93 | android_media_AudioSystem_getParameters(JNIEnv *env, jobject thiz, jstring keys) |
| 94 | { |
| 95 | const jchar* c_keys = env->GetStringCritical(keys, 0); |
| 96 | String8 c_keys8; |
| 97 | if (keys) { |
| 98 | c_keys8 = String8(c_keys, env->GetStringLength(keys)); |
| 99 | env->ReleaseStringCritical(keys, c_keys); |
| 100 | } |
| 101 | return env->NewStringUTF(AudioSystem::getParameters(0, c_keys8).string()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | } |
| 103 | |
Glenn Kasten | ed0079d | 2011-04-04 10:50:50 -0700 | [diff] [blame] | 104 | static void |
| 105 | android_media_AudioSystem_error_callback(status_t err) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 106 | { |
| 107 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
Eric Laurent | 0e7a4d9 | 2010-10-15 12:33:16 -0700 | [diff] [blame] | 108 | if (env == NULL) { |
| 109 | return; |
| 110 | } |
| 111 | |
Glenn Kasten | ed0079d | 2011-04-04 10:50:50 -0700 | [diff] [blame] | 112 | jclass clazz = env->FindClass(kClassPathName); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 113 | |
| 114 | int error; |
| 115 | |
| 116 | switch (err) { |
| 117 | case DEAD_OBJECT: |
| 118 | error = kAudioStatusMediaServerDied; |
| 119 | break; |
| 120 | case NO_ERROR: |
| 121 | error = kAudioStatusOk; |
| 122 | break; |
| 123 | default: |
| 124 | error = kAudioStatusError; |
| 125 | break; |
| 126 | } |
| 127 | |
| 128 | env->CallStaticVoidMethod(clazz, env->GetStaticMethodID(clazz, "errorCallbackFromNative","(I)V"), error); |
| 129 | } |
| 130 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 131 | static int |
| 132 | android_media_AudioSystem_setDeviceConnectionState(JNIEnv *env, jobject thiz, jint device, jint state, jstring device_address) |
| 133 | { |
| 134 | const char *c_address = env->GetStringUTFChars(device_address, NULL); |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 135 | int status = check_AudioSystem_Command(AudioSystem::setDeviceConnectionState(static_cast <audio_devices_t>(device), |
| 136 | static_cast <audio_policy_dev_state_t>(state), |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 137 | c_address)); |
| 138 | env->ReleaseStringUTFChars(device_address, c_address); |
| 139 | return status; |
| 140 | } |
| 141 | |
| 142 | static int |
| 143 | android_media_AudioSystem_getDeviceConnectionState(JNIEnv *env, jobject thiz, jint device, jstring device_address) |
| 144 | { |
| 145 | const char *c_address = env->GetStringUTFChars(device_address, NULL); |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 146 | int state = static_cast <int>(AudioSystem::getDeviceConnectionState(static_cast <audio_devices_t>(device), |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 147 | c_address)); |
| 148 | env->ReleaseStringUTFChars(device_address, c_address); |
| 149 | return state; |
| 150 | } |
| 151 | |
| 152 | static int |
| 153 | android_media_AudioSystem_setPhoneState(JNIEnv *env, jobject thiz, jint state) |
| 154 | { |
| 155 | return check_AudioSystem_Command(AudioSystem::setPhoneState(state)); |
| 156 | } |
| 157 | |
| 158 | static int |
| 159 | android_media_AudioSystem_setRingerMode(JNIEnv *env, jobject thiz, jint mode, jint mask) |
| 160 | { |
| 161 | return check_AudioSystem_Command(AudioSystem::setRingerMode(mode, mask)); |
| 162 | } |
| 163 | |
| 164 | static int |
| 165 | android_media_AudioSystem_setForceUse(JNIEnv *env, jobject thiz, jint usage, jint config) |
| 166 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 167 | return check_AudioSystem_Command(AudioSystem::setForceUse(static_cast <audio_policy_force_use_t>(usage), |
| 168 | static_cast <audio_policy_forced_cfg_t>(config))); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | static int |
| 172 | android_media_AudioSystem_getForceUse(JNIEnv *env, jobject thiz, jint usage) |
| 173 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 174 | return static_cast <int>(AudioSystem::getForceUse(static_cast <audio_policy_force_use_t>(usage))); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | static int |
| 178 | android_media_AudioSystem_initStreamVolume(JNIEnv *env, jobject thiz, jint stream, jint indexMin, jint indexMax) |
| 179 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 180 | return check_AudioSystem_Command(AudioSystem::initStreamVolume(static_cast <audio_stream_type_t>(stream), |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 181 | indexMin, |
| 182 | indexMax)); |
| 183 | } |
| 184 | |
| 185 | static int |
| 186 | android_media_AudioSystem_setStreamVolumeIndex(JNIEnv *env, jobject thiz, jint stream, jint index) |
| 187 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 188 | return check_AudioSystem_Command(AudioSystem::setStreamVolumeIndex(static_cast <audio_stream_type_t>(stream), index)); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | static int |
| 192 | android_media_AudioSystem_getStreamVolumeIndex(JNIEnv *env, jobject thiz, jint stream) |
| 193 | { |
| 194 | int index; |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 195 | if (AudioSystem::getStreamVolumeIndex(static_cast <audio_stream_type_t>(stream), &index) != NO_ERROR) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 196 | index = -1; |
| 197 | } |
| 198 | return index; |
| 199 | } |
| 200 | |
Glenn Kasten | 8b4b97a | 2011-02-04 13:54:26 -0800 | [diff] [blame] | 201 | static jint |
| 202 | android_media_AudioSystem_getDevicesForStream(JNIEnv *env, jobject thiz, jint stream) |
| 203 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 204 | return (jint) AudioSystem::getDevicesForStream(static_cast <audio_stream_type_t>(stream)); |
Glenn Kasten | 8b4b97a | 2011-02-04 13:54:26 -0800 | [diff] [blame] | 205 | } |
| 206 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 207 | // ---------------------------------------------------------------------------- |
| 208 | |
| 209 | static JNINativeMethod gMethods[] = { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 210 | {"setParameters", "(Ljava/lang/String;)I", (void *)android_media_AudioSystem_setParameters}, |
| 211 | {"getParameters", "(Ljava/lang/String;)Ljava/lang/String;", (void *)android_media_AudioSystem_getParameters}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 212 | {"muteMicrophone", "(Z)I", (void *)android_media_AudioSystem_muteMicrophone}, |
| 213 | {"isMicrophoneMuted", "()Z", (void *)android_media_AudioSystem_isMicrophoneMuted}, |
Eric Laurent | 25101b0 | 2011-02-02 09:33:30 -0800 | [diff] [blame] | 214 | {"isStreamActive", "(II)Z", (void *)android_media_AudioSystem_isStreamActive}, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 215 | {"setDeviceConnectionState", "(IILjava/lang/String;)I", (void *)android_media_AudioSystem_setDeviceConnectionState}, |
| 216 | {"getDeviceConnectionState", "(ILjava/lang/String;)I", (void *)android_media_AudioSystem_getDeviceConnectionState}, |
| 217 | {"setPhoneState", "(I)I", (void *)android_media_AudioSystem_setPhoneState}, |
| 218 | {"setRingerMode", "(II)I", (void *)android_media_AudioSystem_setRingerMode}, |
| 219 | {"setForceUse", "(II)I", (void *)android_media_AudioSystem_setForceUse}, |
| 220 | {"getForceUse", "(I)I", (void *)android_media_AudioSystem_getForceUse}, |
| 221 | {"initStreamVolume", "(III)I", (void *)android_media_AudioSystem_initStreamVolume}, |
| 222 | {"setStreamVolumeIndex","(II)I", (void *)android_media_AudioSystem_setStreamVolumeIndex}, |
Glenn Kasten | 8b4b97a | 2011-02-04 13:54:26 -0800 | [diff] [blame] | 223 | {"getStreamVolumeIndex","(I)I", (void *)android_media_AudioSystem_getStreamVolumeIndex}, |
| 224 | {"getDevicesForStream", "(I)I", (void *)android_media_AudioSystem_getDevicesForStream}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 225 | }; |
| 226 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 227 | int register_android_media_AudioSystem(JNIEnv *env) |
| 228 | { |
| 229 | AudioSystem::setErrorCallback(android_media_AudioSystem_error_callback); |
| 230 | |
| 231 | return AndroidRuntime::registerNativeMethods(env, |
Glenn Kasten | ed0079d | 2011-04-04 10:50:50 -0700 | [diff] [blame] | 232 | kClassPathName, gMethods, NELEM(gMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 233 | } |