The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | //#define LOG_NDEBUG 0 |
| 18 | |
| 19 | #define LOG_TAG "AudioRecord-JNI" |
| 20 | |
Glenn Kasten | c81d31c | 2012-03-13 14:46:23 -0700 | [diff] [blame] | 21 | #include <jni.h> |
| 22 | #include <JNIHelp.h> |
| 23 | #include <android_runtime/AndroidRuntime.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | |
Glenn Kasten | c81d31c | 2012-03-13 14:46:23 -0700 | [diff] [blame] | 25 | #include <utils/Log.h> |
| 26 | #include <media/AudioRecord.h> |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 27 | |
Dima Zavin | 34bb419 | 2011-05-11 14:15:23 -0700 | [diff] [blame] | 28 | #include <system/audio.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | |
| 30 | // ---------------------------------------------------------------------------- |
| 31 | |
| 32 | using namespace android; |
| 33 | |
| 34 | // ---------------------------------------------------------------------------- |
| 35 | static const char* const kClassPathName = "android/media/AudioRecord"; |
| 36 | |
| 37 | struct fields_t { |
| 38 | // these fields provide access from C++ to the... |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | jmethodID postNativeEventInJava; //... event post callback method |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | jfieldID nativeRecorderInJavaObj; // provides access to the C++ AudioRecord object |
| 41 | jfieldID nativeCallbackCookie; // provides access to the AudioRecord callback data |
| 42 | }; |
| 43 | static fields_t javaAudioRecordFields; |
| 44 | |
| 45 | struct audiorecord_callback_cookie { |
| 46 | jclass audioRecord_class; |
| 47 | jobject audioRecord_ref; |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 48 | bool busy; |
| 49 | Condition cond; |
| 50 | }; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | |
Glenn Kasten | 9afc78d7 | 2013-08-01 07:26:04 -0700 | [diff] [blame] | 52 | // keep these values in sync with AudioFormat.java |
| 53 | #define ENCODING_PCM_16BIT 2 |
| 54 | #define ENCODING_PCM_8BIT 3 |
| 55 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 56 | static Mutex sLock; |
| 57 | static SortedVector <audiorecord_callback_cookie *> sAudioRecordCallBackCookies; |
Dave Sparks | e6335c9 | 2010-03-13 17:08:22 -0800 | [diff] [blame] | 58 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 59 | // ---------------------------------------------------------------------------- |
| 60 | |
| 61 | #define AUDIORECORD_SUCCESS 0 |
| 62 | #define AUDIORECORD_ERROR -1 |
| 63 | #define AUDIORECORD_ERROR_BAD_VALUE -2 |
| 64 | #define AUDIORECORD_ERROR_INVALID_OPERATION -3 |
| 65 | #define AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT -16 |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 66 | #define AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK -17 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 67 | #define AUDIORECORD_ERROR_SETUP_INVALIDFORMAT -18 |
Eric Laurent | 4bc035a | 2009-05-22 09:18:15 -0700 | [diff] [blame] | 68 | #define AUDIORECORD_ERROR_SETUP_INVALIDSOURCE -19 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 69 | #define AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED -20 |
| 70 | |
| 71 | jint android_media_translateRecorderErrorCode(int code) { |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 72 | switch (code) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | case NO_ERROR: |
| 74 | return AUDIORECORD_SUCCESS; |
| 75 | case BAD_VALUE: |
| 76 | return AUDIORECORD_ERROR_BAD_VALUE; |
| 77 | case INVALID_OPERATION: |
| 78 | return AUDIORECORD_ERROR_INVALID_OPERATION; |
| 79 | default: |
| 80 | return AUDIORECORD_ERROR; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 81 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | |
| 85 | // ---------------------------------------------------------------------------- |
| 86 | static void recorderCallback(int event, void* user, void *info) { |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 87 | |
| 88 | audiorecord_callback_cookie *callbackInfo = (audiorecord_callback_cookie *)user; |
| 89 | { |
| 90 | Mutex::Autolock l(sLock); |
| 91 | if (sAudioRecordCallBackCookies.indexOf(callbackInfo) < 0) { |
| 92 | return; |
| 93 | } |
| 94 | callbackInfo->busy = true; |
| 95 | } |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 96 | |
Glenn Kasten | 5b1576c | 2013-07-18 16:58:19 -0700 | [diff] [blame] | 97 | switch (event) { |
| 98 | case AudioRecord::EVENT_MARKER: { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 99 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
Glenn Kasten | a667ff3 | 2013-07-22 07:36:34 -0700 | [diff] [blame] | 100 | if (user != NULL && env != NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 101 | env->CallStaticVoidMethod( |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 102 | callbackInfo->audioRecord_class, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 103 | javaAudioRecordFields.postNativeEventInJava, |
| 104 | callbackInfo->audioRecord_ref, event, 0,0, NULL); |
| 105 | if (env->ExceptionCheck()) { |
| 106 | env->ExceptionDescribe(); |
| 107 | env->ExceptionClear(); |
| 108 | } |
| 109 | } |
Glenn Kasten | 5b1576c | 2013-07-18 16:58:19 -0700 | [diff] [blame] | 110 | } break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 111 | |
Glenn Kasten | 5b1576c | 2013-07-18 16:58:19 -0700 | [diff] [blame] | 112 | case AudioRecord::EVENT_NEW_POS: { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 113 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
Glenn Kasten | a667ff3 | 2013-07-22 07:36:34 -0700 | [diff] [blame] | 114 | if (user != NULL && env != NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 115 | env->CallStaticVoidMethod( |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 116 | callbackInfo->audioRecord_class, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 117 | javaAudioRecordFields.postNativeEventInJava, |
| 118 | callbackInfo->audioRecord_ref, event, 0,0, NULL); |
| 119 | if (env->ExceptionCheck()) { |
| 120 | env->ExceptionDescribe(); |
| 121 | env->ExceptionClear(); |
| 122 | } |
| 123 | } |
Glenn Kasten | 5b1576c | 2013-07-18 16:58:19 -0700 | [diff] [blame] | 124 | } break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 125 | } |
Glenn Kasten | 5b1576c | 2013-07-18 16:58:19 -0700 | [diff] [blame] | 126 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 127 | { |
| 128 | Mutex::Autolock l(sLock); |
| 129 | callbackInfo->busy = false; |
| 130 | callbackInfo->cond.broadcast(); |
| 131 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 132 | } |
| 133 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 134 | // ---------------------------------------------------------------------------- |
| 135 | static sp<AudioRecord> getAudioRecord(JNIEnv* env, jobject thiz) |
| 136 | { |
| 137 | Mutex::Autolock l(sLock); |
| 138 | AudioRecord* const ar = |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 139 | (AudioRecord*)env->GetLongField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 140 | return sp<AudioRecord>(ar); |
| 141 | } |
| 142 | |
| 143 | static sp<AudioRecord> setAudioRecord(JNIEnv* env, jobject thiz, const sp<AudioRecord>& ar) |
| 144 | { |
| 145 | Mutex::Autolock l(sLock); |
| 146 | sp<AudioRecord> old = |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 147 | (AudioRecord*)env->GetLongField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 148 | if (ar.get()) { |
Mathias Agopian | b1d90c8 | 2013-03-06 17:45:42 -0800 | [diff] [blame] | 149 | ar->incStrong((void*)setAudioRecord); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 150 | } |
| 151 | if (old != 0) { |
Mathias Agopian | b1d90c8 | 2013-03-06 17:45:42 -0800 | [diff] [blame] | 152 | old->decStrong((void*)setAudioRecord); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 153 | } |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 154 | env->SetLongField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj, (jlong)ar.get()); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 155 | return old; |
| 156 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 157 | |
| 158 | // ---------------------------------------------------------------------------- |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 159 | static jint |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 160 | android_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this, |
Glenn Kasten | 33c437d | 2013-07-18 17:04:21 -0700 | [diff] [blame] | 161 | jint source, jint sampleRateInHertz, jint channelMask, |
| 162 | // Java channel masks map directly to the native definition |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 163 | jint audioFormat, jint buffSizeInBytes, jintArray jSession) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 164 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 165 | //ALOGV(">> Entering android_media_AudioRecord_setup"); |
Glenn Kasten | 33c437d | 2013-07-18 17:04:21 -0700 | [diff] [blame] | 166 | //ALOGV("sampleRate=%d, audioFormat=%d, channel mask=%x, buffSizeInBytes=%d", |
| 167 | // sampleRateInHertz, audioFormat, channelMask, buffSizeInBytes); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 168 | |
Glenn Kasten | 33c437d | 2013-07-18 17:04:21 -0700 | [diff] [blame] | 169 | if (!audio_is_input_channel(channelMask)) { |
| 170 | ALOGE("Error creating AudioRecord: channel mask %#x is not valid.", channelMask); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 171 | return (jint) AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 172 | } |
Glenn Kasten | 33c437d | 2013-07-18 17:04:21 -0700 | [diff] [blame] | 173 | uint32_t nbChannels = popcount(channelMask); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 174 | |
| 175 | // compare the format against the Java constants |
Glenn Kasten | 9afc78d7 | 2013-08-01 07:26:04 -0700 | [diff] [blame] | 176 | if ((audioFormat != ENCODING_PCM_16BIT) |
| 177 | && (audioFormat != ENCODING_PCM_8BIT)) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 178 | ALOGE("Error creating AudioRecord: unsupported audio format."); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 179 | return (jint) AUDIORECORD_ERROR_SETUP_INVALIDFORMAT; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 180 | } |
| 181 | |
Glenn Kasten | 9afc78d7 | 2013-08-01 07:26:04 -0700 | [diff] [blame] | 182 | int bytesPerSample = audioFormat == ENCODING_PCM_16BIT ? 2 : 1; |
| 183 | audio_format_t format = audioFormat == ENCODING_PCM_16BIT ? |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 184 | AUDIO_FORMAT_PCM_16_BIT : AUDIO_FORMAT_PCM_8_BIT; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 185 | |
| 186 | if (buffSizeInBytes == 0) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 187 | ALOGE("Error creating AudioRecord: frameCount is 0."); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 188 | return (jint) AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 189 | } |
| 190 | int frameSize = nbChannels * bytesPerSample; |
| 191 | size_t frameCount = buffSizeInBytes / frameSize; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 192 | |
Eric Laurent | 357263d | 2013-09-09 10:31:59 -0700 | [diff] [blame] | 193 | if ((uint32_t(source) >= AUDIO_SOURCE_CNT) && (uint32_t(source) != AUDIO_SOURCE_HOTWORD)) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 194 | ALOGE("Error creating AudioRecord: unknown source."); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 195 | return (jint) AUDIORECORD_ERROR_SETUP_INVALIDSOURCE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 196 | } |
Eric Laurent | 4bc035a | 2009-05-22 09:18:15 -0700 | [diff] [blame] | 197 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 198 | jclass clazz = env->GetObjectClass(thiz); |
| 199 | if (clazz == NULL) { |
| 200 | ALOGE("Can't find %s when setting up callback.", kClassPathName); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 201 | return (jint) AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 202 | } |
| 203 | |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 204 | if (jSession == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 205 | ALOGE("Error creating AudioRecord: invalid session ID pointer"); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 206 | return (jint) AUDIORECORD_ERROR; |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | jint* nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); |
| 210 | if (nSession == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 211 | ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 212 | return (jint) AUDIORECORD_ERROR; |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 213 | } |
| 214 | int sessionId = nSession[0]; |
| 215 | env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); |
| 216 | nSession = NULL; |
| 217 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 218 | // create an uninitialized AudioRecord object |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 219 | sp<AudioRecord> lpRecorder = new AudioRecord(); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 220 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 221 | // create the callback information: |
| 222 | // this data will be passed with every AudioRecord callback |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 223 | audiorecord_callback_cookie *lpCallbackData = new audiorecord_callback_cookie; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 224 | lpCallbackData->audioRecord_class = (jclass)env->NewGlobalRef(clazz); |
| 225 | // we use a weak reference so the AudioRecord object can be garbage collected. |
| 226 | lpCallbackData->audioRecord_ref = env->NewGlobalRef(weak_this); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 227 | lpCallbackData->busy = false; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 228 | |
Glenn Kasten | 0f0fbd9 | 2012-01-23 13:58:49 -0800 | [diff] [blame] | 229 | lpRecorder->set((audio_source_t) source, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 230 | sampleRateInHertz, |
| 231 | format, // word length, PCM |
Glenn Kasten | 33c437d | 2013-07-18 17:04:21 -0700 | [diff] [blame] | 232 | channelMask, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 233 | frameCount, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 234 | recorderCallback,// callback_t |
| 235 | lpCallbackData,// void* user |
| 236 | 0, // notificationFrames, |
Glenn Kasten | 86fad47 | 2012-06-21 16:21:36 -0700 | [diff] [blame] | 237 | true, // threadCanCallJava |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 238 | sessionId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 239 | |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 240 | if (lpRecorder->initCheck() != NO_ERROR) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 241 | ALOGE("Error creating AudioRecord instance: initialization check failed."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 242 | goto native_init_failure; |
| 243 | } |
| 244 | |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 245 | nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); |
| 246 | if (nSession == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 247 | ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 248 | goto native_init_failure; |
| 249 | } |
Glenn Kasten | b3db213 | 2012-01-19 08:59:58 -0800 | [diff] [blame] | 250 | // read the audio session ID back from AudioRecord in case a new session was created during set() |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 251 | nSession[0] = lpRecorder->getSessionId(); |
| 252 | env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); |
| 253 | nSession = NULL; |
| 254 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 255 | { // scope for the lock |
| 256 | Mutex::Autolock l(sLock); |
| 257 | sAudioRecordCallBackCookies.add(lpCallbackData); |
| 258 | } |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 259 | // save our newly created C++ AudioRecord in the "nativeRecorderInJavaObj" field |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 260 | // of the Java object |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 261 | setAudioRecord(env, thiz, lpRecorder); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 262 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 263 | // save our newly created callback information in the "nativeCallbackCookie" field |
| 264 | // of the Java object (in mNativeCallbackCookie) so we can free the memory in finalize() |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 265 | env->SetLongField(thiz, javaAudioRecordFields.nativeCallbackCookie, (jlong)lpCallbackData); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 266 | |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 267 | return (jint) AUDIORECORD_SUCCESS; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 268 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 269 | // failure: |
| 270 | native_init_failure: |
Jean-Michel Trivi | 4bac5a3 | 2009-07-17 12:05:31 -0700 | [diff] [blame] | 271 | env->DeleteGlobalRef(lpCallbackData->audioRecord_class); |
| 272 | env->DeleteGlobalRef(lpCallbackData->audioRecord_ref); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 273 | delete lpCallbackData; |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 274 | env->SetLongField(thiz, javaAudioRecordFields.nativeCallbackCookie, 0); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 275 | |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 276 | return (jint) AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | |
| 280 | |
| 281 | // ---------------------------------------------------------------------------- |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 282 | static jint |
Eric Laurent | 505e5c8 | 2012-03-29 15:19:36 -0700 | [diff] [blame] | 283 | android_media_AudioRecord_start(JNIEnv *env, jobject thiz, jint event, jint triggerSession) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 284 | { |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 285 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | if (lpRecorder == NULL ) { |
| 287 | jniThrowException(env, "java/lang/IllegalStateException", NULL); |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 288 | return (jint) AUDIORECORD_ERROR; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 289 | } |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 290 | |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 291 | return (jint) android_media_translateRecorderErrorCode( |
Eric Laurent | 505e5c8 | 2012-03-29 15:19:36 -0700 | [diff] [blame] | 292 | lpRecorder->start((AudioSystem::sync_event_t)event, triggerSession)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | |
| 296 | // ---------------------------------------------------------------------------- |
| 297 | static void |
| 298 | android_media_AudioRecord_stop(JNIEnv *env, jobject thiz) |
| 299 | { |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 300 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 301 | if (lpRecorder == NULL ) { |
| 302 | jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| 303 | return; |
| 304 | } |
| 305 | |
| 306 | lpRecorder->stop(); |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 307 | //ALOGV("Called lpRecorder->stop()"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | |
| 311 | // ---------------------------------------------------------------------------- |
Dave Sparks | e6335c9 | 2010-03-13 17:08:22 -0800 | [diff] [blame] | 312 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 313 | #define CALLBACK_COND_WAIT_TIMEOUT_MS 1000 |
| 314 | static void android_media_AudioRecord_release(JNIEnv *env, jobject thiz) { |
| 315 | sp<AudioRecord> lpRecorder = setAudioRecord(env, thiz, 0); |
| 316 | if (lpRecorder == NULL) { |
| 317 | return; |
| 318 | } |
| 319 | ALOGV("About to delete lpRecorder: %x\n", (int)lpRecorder.get()); |
| 320 | lpRecorder->stop(); |
| 321 | |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 322 | audiorecord_callback_cookie *lpCookie = (audiorecord_callback_cookie *)env->GetLongField( |
Dave Sparks | e6335c9 | 2010-03-13 17:08:22 -0800 | [diff] [blame] | 323 | thiz, javaAudioRecordFields.nativeCallbackCookie); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 324 | |
Dave Sparks | e6335c9 | 2010-03-13 17:08:22 -0800 | [diff] [blame] | 325 | // reset the native resources in the Java object so any attempt to access |
| 326 | // them after a call to release fails. |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 327 | env->SetLongField(thiz, javaAudioRecordFields.nativeCallbackCookie, 0); |
Dave Sparks | e6335c9 | 2010-03-13 17:08:22 -0800 | [diff] [blame] | 328 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 329 | // delete the callback information |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | if (lpCookie) { |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 331 | Mutex::Autolock l(sLock); |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 332 | ALOGV("deleting lpCookie: %x\n", (int)lpCookie); |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 333 | while (lpCookie->busy) { |
| 334 | if (lpCookie->cond.waitRelative(sLock, |
| 335 | milliseconds(CALLBACK_COND_WAIT_TIMEOUT_MS)) != |
| 336 | NO_ERROR) { |
| 337 | break; |
| 338 | } |
| 339 | } |
| 340 | sAudioRecordCallBackCookies.remove(lpCookie); |
Jean-Michel Trivi | 4bac5a3 | 2009-07-17 12:05:31 -0700 | [diff] [blame] | 341 | env->DeleteGlobalRef(lpCookie->audioRecord_class); |
| 342 | env->DeleteGlobalRef(lpCookie->audioRecord_ref); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 343 | delete lpCookie; |
| 344 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | |
| 348 | // ---------------------------------------------------------------------------- |
Dave Sparks | e6335c9 | 2010-03-13 17:08:22 -0800 | [diff] [blame] | 349 | static void android_media_AudioRecord_finalize(JNIEnv *env, jobject thiz) { |
| 350 | android_media_AudioRecord_release(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | |
| 354 | // ---------------------------------------------------------------------------- |
| 355 | static jint android_media_AudioRecord_readInByteArray(JNIEnv *env, jobject thiz, |
| 356 | jbyteArray javaAudioData, |
| 357 | jint offsetInBytes, jint sizeInBytes) { |
| 358 | jbyte* recordBuff = NULL; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 359 | // get the audio recorder from which we'll read new audio samples |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 360 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 361 | if (lpRecorder == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 362 | ALOGE("Unable to retrieve AudioRecord object, can't record"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 363 | return 0; |
| 364 | } |
| 365 | |
| 366 | if (!javaAudioData) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 367 | ALOGE("Invalid Java array to store recorded audio, can't record"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 368 | return 0; |
| 369 | } |
| 370 | |
| 371 | // get the pointer to where we'll record the audio |
Eric Laurent | 421ddc0 | 2011-03-07 14:52:59 -0800 | [diff] [blame] | 372 | // NOTE: We may use GetPrimitiveArrayCritical() when the JNI implementation changes in such |
| 373 | // a way that it becomes much more efficient. When doing so, we will have to prevent the |
| 374 | // AudioSystem callback to be called while in critical section (in case of media server |
| 375 | // process crash for instance) |
| 376 | recordBuff = (jbyte *)env->GetByteArrayElements(javaAudioData, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 377 | |
| 378 | if (recordBuff == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 379 | ALOGE("Error retrieving destination for recorded audio data, can't record"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | // read the new audio data from the native AudioRecord object |
| 384 | ssize_t recorderBuffSize = lpRecorder->frameCount()*lpRecorder->frameSize(); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 385 | ssize_t readSize = lpRecorder->read(recordBuff + offsetInBytes, |
| 386 | sizeInBytes > (jint)recorderBuffSize ? |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 387 | (jint)recorderBuffSize : sizeInBytes ); |
Eric Laurent | 421ddc0 | 2011-03-07 14:52:59 -0800 | [diff] [blame] | 388 | env->ReleaseByteArrayElements(javaAudioData, recordBuff, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 389 | |
Eric Laurent | 357263d | 2013-09-09 10:31:59 -0700 | [diff] [blame] | 390 | if (readSize < 0) { |
| 391 | readSize = AUDIORECORD_ERROR_INVALID_OPERATION; |
| 392 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 393 | return (jint) readSize; |
| 394 | } |
| 395 | |
| 396 | // ---------------------------------------------------------------------------- |
| 397 | static jint android_media_AudioRecord_readInShortArray(JNIEnv *env, jobject thiz, |
| 398 | jshortArray javaAudioData, |
| 399 | jint offsetInShorts, jint sizeInShorts) { |
| 400 | |
Glenn Kasten | 3f0af8b | 2013-07-18 17:00:10 -0700 | [diff] [blame] | 401 | jint read = android_media_AudioRecord_readInByteArray(env, thiz, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | (jbyteArray) javaAudioData, |
Glenn Kasten | 3f0af8b | 2013-07-18 17:00:10 -0700 | [diff] [blame] | 403 | offsetInShorts*2, sizeInShorts*2); |
| 404 | if (read > 0) { |
| 405 | read /= 2; |
| 406 | } |
| 407 | return read; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | // ---------------------------------------------------------------------------- |
| 411 | static jint android_media_AudioRecord_readInDirectBuffer(JNIEnv *env, jobject thiz, |
| 412 | jobject jBuffer, jint sizeInBytes) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 413 | // get the audio recorder from which we'll read new audio samples |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 414 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 415 | if (lpRecorder==NULL) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 416 | return 0; |
| 417 | |
| 418 | // direct buffer and direct access supported? |
| 419 | long capacity = env->GetDirectBufferCapacity(jBuffer); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 420 | if (capacity == -1) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 421 | // buffer direct access is not supported |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 422 | ALOGE("Buffer direct access is not supported, can't record"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 423 | return 0; |
| 424 | } |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 425 | //ALOGV("capacity = %ld", capacity); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 426 | jbyte* nativeFromJavaBuf = (jbyte*) env->GetDirectBufferAddress(jBuffer); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 427 | if (nativeFromJavaBuf==NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 428 | ALOGE("Buffer direct access is not supported, can't record"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 429 | return 0; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 430 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 431 | |
| 432 | // read new data from the recorder |
Eric Laurent | 357263d | 2013-09-09 10:31:59 -0700 | [diff] [blame] | 433 | ssize_t readSize = lpRecorder->read(nativeFromJavaBuf, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 434 | capacity < sizeInBytes ? capacity : sizeInBytes); |
Eric Laurent | 357263d | 2013-09-09 10:31:59 -0700 | [diff] [blame] | 435 | if (readSize < 0) { |
| 436 | readSize = AUDIORECORD_ERROR_INVALID_OPERATION; |
| 437 | } |
| 438 | return (jint)readSize; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | |
| 442 | // ---------------------------------------------------------------------------- |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 443 | static jint android_media_AudioRecord_set_marker_pos(JNIEnv *env, jobject thiz, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 444 | jint markerPos) { |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 445 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 446 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| 447 | if (lpRecorder == NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 448 | jniThrowException(env, "java/lang/IllegalStateException", |
| 449 | "Unable to retrieve AudioRecord pointer for setMarkerPosition()"); |
| 450 | return AUDIORECORD_ERROR; |
| 451 | } |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 452 | return android_media_translateRecorderErrorCode( lpRecorder->setMarkerPosition(markerPos) ); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | |
| 456 | // ---------------------------------------------------------------------------- |
| 457 | static jint android_media_AudioRecord_get_marker_pos(JNIEnv *env, jobject thiz) { |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 458 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 459 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 460 | uint32_t markerPos = 0; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 461 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 462 | if (lpRecorder == NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 463 | jniThrowException(env, "java/lang/IllegalStateException", |
| 464 | "Unable to retrieve AudioRecord pointer for getMarkerPosition()"); |
| 465 | return AUDIORECORD_ERROR; |
| 466 | } |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 467 | lpRecorder->getMarkerPosition(&markerPos); |
| 468 | return (jint)markerPos; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | |
| 472 | // ---------------------------------------------------------------------------- |
| 473 | static jint android_media_AudioRecord_set_pos_update_period(JNIEnv *env, jobject thiz, |
| 474 | jint period) { |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 475 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 476 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 477 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 478 | if (lpRecorder == NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 479 | jniThrowException(env, "java/lang/IllegalStateException", |
| 480 | "Unable to retrieve AudioRecord pointer for setPositionUpdatePeriod()"); |
| 481 | return AUDIORECORD_ERROR; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 482 | } |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 483 | return android_media_translateRecorderErrorCode( lpRecorder->setPositionUpdatePeriod(period) ); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | |
| 487 | // ---------------------------------------------------------------------------- |
| 488 | static jint android_media_AudioRecord_get_pos_update_period(JNIEnv *env, jobject thiz) { |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 489 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 490 | sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 491 | uint32_t period = 0; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 492 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 493 | if (lpRecorder == NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 494 | jniThrowException(env, "java/lang/IllegalStateException", |
| 495 | "Unable to retrieve AudioRecord pointer for getPositionUpdatePeriod()"); |
| 496 | return AUDIORECORD_ERROR; |
| 497 | } |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 498 | lpRecorder->getPositionUpdatePeriod(&period); |
| 499 | return (jint)period; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | |
| 503 | // ---------------------------------------------------------------------------- |
| 504 | // returns the minimum required size for the successful creation of an AudioRecord instance. |
| 505 | // returns 0 if the parameter combination is not supported. |
| 506 | // return -1 if there was an error querying the buffer size. |
| 507 | static jint android_media_AudioRecord_get_min_buff_size(JNIEnv *env, jobject thiz, |
| 508 | jint sampleRateInHertz, jint nbChannels, jint audioFormat) { |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 509 | |
Eric Laurent | 532bc1c | 2012-04-20 12:45:03 -0700 | [diff] [blame] | 510 | ALOGV(">> android_media_AudioRecord_get_min_buff_size(%d, %d, %d)", |
| 511 | sampleRateInHertz, nbChannels, audioFormat); |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 512 | |
Glenn Kasten | fd1e3df | 2012-11-13 15:21:06 -0800 | [diff] [blame] | 513 | size_t frameCount = 0; |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 514 | status_t result = AudioRecord::getMinFrameCount(&frameCount, |
| 515 | sampleRateInHertz, |
Glenn Kasten | 9afc78d7 | 2013-08-01 07:26:04 -0700 | [diff] [blame] | 516 | (audioFormat == ENCODING_PCM_16BIT ? |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 517 | AUDIO_FORMAT_PCM_16_BIT : AUDIO_FORMAT_PCM_8_BIT), |
Glenn Kasten | 845b471 | 2012-07-02 13:12:31 -0700 | [diff] [blame] | 518 | audio_channel_in_mask_from_count(nbChannels)); |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 519 | |
| 520 | if (result == BAD_VALUE) { |
| 521 | return 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 522 | } |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 523 | if (result != NO_ERROR) { |
| 524 | return -1; |
| 525 | } |
Glenn Kasten | 9afc78d7 | 2013-08-01 07:26:04 -0700 | [diff] [blame] | 526 | return frameCount * nbChannels * (audioFormat == ENCODING_PCM_16BIT ? 2 : 1); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | |
| 530 | // ---------------------------------------------------------------------------- |
| 531 | // ---------------------------------------------------------------------------- |
| 532 | static JNINativeMethod gMethods[] = { |
| 533 | // name, signature, funcPtr |
Eric Laurent | 505e5c8 | 2012-03-29 15:19:36 -0700 | [diff] [blame] | 534 | {"native_start", "(II)I", (void *)android_media_AudioRecord_start}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 535 | {"native_stop", "()V", (void *)android_media_AudioRecord_stop}, |
Eric Laurent | 44ff4cd | 2011-06-18 10:34:05 -0700 | [diff] [blame] | 536 | {"native_setup", "(Ljava/lang/Object;IIIII[I)I", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 537 | (void *)android_media_AudioRecord_setup}, |
| 538 | {"native_finalize", "()V", (void *)android_media_AudioRecord_finalize}, |
| 539 | {"native_release", "()V", (void *)android_media_AudioRecord_release}, |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 540 | {"native_read_in_byte_array", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 541 | "([BII)I", (void *)android_media_AudioRecord_readInByteArray}, |
| 542 | {"native_read_in_short_array", |
| 543 | "([SII)I", (void *)android_media_AudioRecord_readInShortArray}, |
| 544 | {"native_read_in_direct_buffer","(Ljava/lang/Object;I)I", |
| 545 | (void *)android_media_AudioRecord_readInDirectBuffer}, |
| 546 | {"native_set_marker_pos","(I)I", (void *)android_media_AudioRecord_set_marker_pos}, |
| 547 | {"native_get_marker_pos","()I", (void *)android_media_AudioRecord_get_marker_pos}, |
| 548 | {"native_set_pos_update_period", |
| 549 | "(I)I", (void *)android_media_AudioRecord_set_pos_update_period}, |
| 550 | {"native_get_pos_update_period", |
| 551 | "()I", (void *)android_media_AudioRecord_get_pos_update_period}, |
| 552 | {"native_get_min_buff_size", |
| 553 | "(III)I", (void *)android_media_AudioRecord_get_min_buff_size}, |
| 554 | }; |
| 555 | |
| 556 | // field names found in android/media/AudioRecord.java |
| 557 | #define JAVA_POSTEVENT_CALLBACK_NAME "postEventFromNative" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 558 | #define JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME "mNativeRecorderInJavaObj" |
| 559 | #define JAVA_NATIVECALLBACKINFO_FIELD_NAME "mNativeCallbackCookie" |
| 560 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 561 | // ---------------------------------------------------------------------------- |
| 562 | int register_android_media_AudioRecord(JNIEnv *env) |
| 563 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 564 | javaAudioRecordFields.postNativeEventInJava = NULL; |
| 565 | javaAudioRecordFields.nativeRecorderInJavaObj = NULL; |
| 566 | javaAudioRecordFields.nativeCallbackCookie = NULL; |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 567 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 568 | |
| 569 | // Get the AudioRecord class |
Brian Carlstrom | 46e18c11 | 2011-04-05 22:44:45 -0700 | [diff] [blame] | 570 | jclass audioRecordClass = env->FindClass(kClassPathName); |
| 571 | if (audioRecordClass == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 572 | ALOGE("Can't find %s", kClassPathName); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 573 | return -1; |
| 574 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 575 | // Get the postEvent method |
| 576 | javaAudioRecordFields.postNativeEventInJava = env->GetStaticMethodID( |
Brian Carlstrom | 46e18c11 | 2011-04-05 22:44:45 -0700 | [diff] [blame] | 577 | audioRecordClass, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 578 | JAVA_POSTEVENT_CALLBACK_NAME, "(Ljava/lang/Object;IIILjava/lang/Object;)V"); |
| 579 | if (javaAudioRecordFields.postNativeEventInJava == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 580 | ALOGE("Can't find AudioRecord.%s", JAVA_POSTEVENT_CALLBACK_NAME); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 581 | return -1; |
| 582 | } |
| 583 | |
| 584 | // Get the variables |
| 585 | // mNativeRecorderInJavaObj |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame] | 586 | javaAudioRecordFields.nativeRecorderInJavaObj = |
Brian Carlstrom | 46e18c11 | 2011-04-05 22:44:45 -0700 | [diff] [blame] | 587 | env->GetFieldID(audioRecordClass, |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 588 | JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME, "J"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 589 | if (javaAudioRecordFields.nativeRecorderInJavaObj == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 590 | ALOGE("Can't find AudioRecord.%s", JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 591 | return -1; |
| 592 | } |
| 593 | // mNativeCallbackCookie |
| 594 | javaAudioRecordFields.nativeCallbackCookie = env->GetFieldID( |
Brian Carlstrom | 46e18c11 | 2011-04-05 22:44:45 -0700 | [diff] [blame] | 595 | audioRecordClass, |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 596 | JAVA_NATIVECALLBACKINFO_FIELD_NAME, "J"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 597 | if (javaAudioRecordFields.nativeCallbackCookie == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 598 | ALOGE("Can't find AudioRecord.%s", JAVA_NATIVECALLBACKINFO_FIELD_NAME); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 599 | return -1; |
| 600 | } |
| 601 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 602 | return AndroidRuntime::registerNativeMethods(env, |
| 603 | kClassPathName, gMethods, NELEM(gMethods)); |
| 604 | } |
| 605 | |
| 606 | // ---------------------------------------------------------------------------- |