19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "AudioRecord-JNI" 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <math.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26c81d31c3f801ba3d559a22c27b926ace38a7ab49Glenn Kasten#include <jni.h> 27c81d31c3f801ba3d559a22c27b926ace38a7ab49Glenn Kasten#include <JNIHelp.h> 28c81d31c3f801ba3d559a22c27b926ace38a7ab49Glenn Kasten#include <android_runtime/AndroidRuntime.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30c81d31c3f801ba3d559a22c27b926ace38a7ab49Glenn Kasten#include <utils/Log.h> 31532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent#include <utils/SortedVector.h> 32532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent#include <utils/threads.h> 33c81d31c3f801ba3d559a22c27b926ace38a7ab49Glenn Kasten#include <media/AudioRecord.h> 34c81d31c3f801ba3d559a22c27b926ace38a7ab49Glenn Kasten#include <media/mediarecorder.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3624fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin#include <cutils/bitops.h> 3724fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin 3834bb419e5946ab28112e9e27a4d1b3928d31e0e2Dima Zavin#include <system/audio.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* const kClassPathName = "android/media/AudioRecord"; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct fields_t { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these fields provide access from C++ to the... 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID postNativeEventInJava; //... event post callback method 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int PCM16; //... format constants 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int PCM8; //... format constants 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID nativeRecorderInJavaObj; // provides access to the C++ AudioRecord object 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID nativeCallbackCookie; // provides access to the AudioRecord callback data 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic fields_t javaAudioRecordFields; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct audiorecord_callback_cookie { 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass audioRecord_class; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject audioRecord_ref; 60532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent bool busy; 61532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Condition cond; 62532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent}; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurentstatic Mutex sLock; 65532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurentstatic SortedVector <audiorecord_callback_cookie *> sAudioRecordCallBackCookies; 66e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_SUCCESS 0 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR -1 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_BAD_VALUE -2 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_INVALID_OPERATION -3 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT -16 74a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent#define AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK -17 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_SETUP_INVALIDFORMAT -18 764bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent#define AUDIORECORD_ERROR_SETUP_INVALIDSOURCE -19 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED -20 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_media_translateRecorderErrorCode(int code) { 8018db49a46259020387c40fff36d92edc1087a366Glenn Kasten switch (code) { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case NO_ERROR: 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_SUCCESS; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case BAD_VALUE: 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_BAD_VALUE; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case INVALID_OPERATION: 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_INVALID_OPERATION; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 8918db49a46259020387c40fff36d92edc1087a366Glenn Kasten } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void recorderCallback(int event, void* user, void *info) { 95532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent 96532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent audiorecord_callback_cookie *callbackInfo = (audiorecord_callback_cookie *)user; 97532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent { 98532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Mutex::Autolock l(sLock); 99532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (sAudioRecordCallBackCookies.indexOf(callbackInfo) < 0) { 100532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return; 101532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 102532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent callbackInfo->busy = true; 103532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (event == AudioRecord::EVENT_MORE_DATA) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // set size to 0 to signal we're not using the callback to read more data 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord::Buffer* pBuff = (AudioRecord::Buffer*)info; 10718db49a46259020387c40fff36d92edc1087a366Glenn Kasten pBuff->size = 0; 10818db49a46259020387c40fff36d92edc1087a366Glenn Kasten 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (event == AudioRecord::EVENT_MARKER) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (user && env) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod( 11318db49a46259020387c40fff36d92edc1087a366Glenn Kasten callbackInfo->audioRecord_class, 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava, 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callbackInfo->audioRecord_ref, event, 0,0, NULL); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (event == AudioRecord::EVENT_NEW_POS) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (user && env) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod( 12618db49a46259020387c40fff36d92edc1087a366Glenn Kasten callbackInfo->audioRecord_class, 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava, 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callbackInfo->audioRecord_ref, event, 0,0, NULL); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 135532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent { 136532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Mutex::Autolock l(sLock); 137532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent callbackInfo->busy = false; 138532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent callbackInfo->cond.broadcast(); 139532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 142532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent// ---------------------------------------------------------------------------- 143532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurentstatic sp<AudioRecord> getAudioRecord(JNIEnv* env, jobject thiz) 144532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent{ 145532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Mutex::Autolock l(sLock); 146532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent AudioRecord* const ar = 147532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent (AudioRecord*)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 148532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return sp<AudioRecord>(ar); 149532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent} 150532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent 151532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurentstatic sp<AudioRecord> setAudioRecord(JNIEnv* env, jobject thiz, const sp<AudioRecord>& ar) 152532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent{ 153532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Mutex::Autolock l(sLock); 154532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> old = 155532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent (AudioRecord*)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 156532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (ar.get()) { 157532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent ar->incStrong(thiz); 158532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 159532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (old != 0) { 160532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent old->decStrong(thiz); 161532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 162532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent env->SetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj, (int)ar.get()); 163532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return old; 164532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent} 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectandroid_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this, 169a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent jint source, jint sampleRateInHertz, jint channels, 17044ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent jint audioFormat, jint buffSizeInBytes, jintArray jSession) 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV(">> Entering android_media_AudioRecord_setup"); 17371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("sampleRate=%d, audioFormat=%d, channels=%x, buffSizeInBytes=%d", 174a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // sampleRateInHertz, audioFormat, channels, buffSizeInBytes); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17624fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin if (!audio_is_input_channel(channels)) { 1773762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: channel count is not 1 or 2."); 178a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18024fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin uint32_t nbChannels = popcount(channels); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // compare the format against the Java constants 18318db49a46259020387c40fff36d92edc1087a366Glenn Kasten if ((audioFormat != javaAudioRecordFields.PCM16) 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (audioFormat != javaAudioRecordFields.PCM8)) { 1853762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: unsupported audio format."); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_INVALIDFORMAT; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bytesPerSample = audioFormat==javaAudioRecordFields.PCM16 ? 2 : 1; 1900a204ed0f58a9baaac5630864cd75495486c6cbeGlenn Kasten audio_format_t format = audioFormat==javaAudioRecordFields.PCM16 ? 19124fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin AUDIO_FORMAT_PCM_16_BIT : AUDIO_FORMAT_PCM_8_BIT; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buffSizeInBytes == 0) { 1943762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: frameCount is 0."); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameSize = nbChannels * bytesPerSample; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t frameCount = buffSizeInBytes / frameSize; 19918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2000f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten if (uint32_t(source) >= AUDIO_SOURCE_CNT) { 2013762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: unknown source."); 2024bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent return AUDIORECORD_ERROR_SETUP_INVALIDSOURCE; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2044bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 205532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent jclass clazz = env->GetObjectClass(thiz); 206532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (clazz == NULL) { 207532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent ALOGE("Can't find %s when setting up callback.", kClassPathName); 208532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; 209532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 210532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent 21144ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent if (jSession == NULL) { 2123762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: invalid session ID pointer"); 21344ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent return AUDIORECORD_ERROR; 21444ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent } 21544ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent 21644ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent jint* nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); 21744ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent if (nSession == NULL) { 2183762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); 21944ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent return AUDIORECORD_ERROR; 22044ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent } 22144ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent int sessionId = nSession[0]; 22244ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); 22344ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession = NULL; 22444ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create an uninitialized AudioRecord object 226532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = new AudioRecord(); 227532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpRecorder == NULL) { 2283762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord instance."); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23118db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create the callback information: 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this data will be passed with every AudioRecord callback 234532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent audiorecord_callback_cookie *lpCallbackData = new audiorecord_callback_cookie; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData->audioRecord_class = (jclass)env->NewGlobalRef(clazz); 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we use a weak reference so the AudioRecord object can be garbage collected. 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData->audioRecord_ref = env->NewGlobalRef(weak_this); 238532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent lpCallbackData->busy = false; 23918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2400f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten lpRecorder->set((audio_source_t) source, 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sampleRateInHertz, 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format, // word length, PCM 243a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channels, 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frameCount, 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recorderCallback,// callback_t 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData,// void* user 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, // notificationFrames, 24844ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent true, // threadCanCallJava) 24944ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent sessionId); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25118db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (lpRecorder->initCheck() != NO_ERROR) { 2523762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord instance: initialization check failed."); 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto native_init_failure; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25644ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); 25744ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent if (nSession == NULL) { 2583762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); 25944ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent goto native_init_failure; 26044ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent } 261b3db213eb55acb661e4b9ea40bcc00af4b76fab9Glenn Kasten // read the audio session ID back from AudioRecord in case a new session was created during set() 26244ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession[0] = lpRecorder->getSessionId(); 26344ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); 26444ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession = NULL; 26544ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent 266532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent { // scope for the lock 267532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Mutex::Autolock l(sLock); 268532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sAudioRecordCallBackCookies.add(lpCallbackData); 269532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 27018db49a46259020387c40fff36d92edc1087a366Glenn Kasten // save our newly created C++ AudioRecord in the "nativeRecorderInJavaObj" field 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the Java object 272532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent setAudioRecord(env, thiz, lpRecorder); 27318db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save our newly created callback information in the "nativeCallbackCookie" field 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the Java object (in mNativeCallbackCookie) so we can free the memory in finalize() 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, javaAudioRecordFields.nativeCallbackCookie, (int)lpCallbackData); 27718db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_SUCCESS; 27918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // failure: 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnative_init_failure: 2824bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCallbackData->audioRecord_class); 2834bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCallbackData->audioRecord_ref); 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete lpCallbackData; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, javaAudioRecordFields.nativeCallbackCookie, 0); 28618db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 2939cc489a2196e449dbe090ad9bdbc5cedd0b8334fEric Laurentstatic int 294505e5c8859f596ed58489be565d6e029314b2ac8Eric Laurentandroid_media_AudioRecord_start(JNIEnv *env, jobject thiz, jint event, jint triggerSession) 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 296532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder == NULL ) { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", NULL); 2999cc489a2196e449dbe090ad9bdbc5cedd0b8334fEric Laurent return AUDIORECORD_ERROR; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30118db49a46259020387c40fff36d92edc1087a366Glenn Kasten 302505e5c8859f596ed58489be565d6e029314b2ac8Eric Laurent return android_media_translateRecorderErrorCode( 303505e5c8859f596ed58489be565d6e029314b2ac8Eric Laurent lpRecorder->start((AudioSystem::sync_event_t)event, triggerSession)); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectandroid_media_AudioRecord_stop(JNIEnv *env, jobject thiz) 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 311532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder == NULL ) { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", NULL); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpRecorder->stop(); 31871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("Called lpRecorder->stop()"); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 323532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent 324532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent#define CALLBACK_COND_WAIT_TIMEOUT_MS 1000 325e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparksstatic void android_media_AudioRecord_release(JNIEnv *env, jobject thiz) { 326532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = setAudioRecord(env, thiz, 0); 327532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpRecorder == NULL) { 328532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return; 329532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 330532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent ALOGV("About to delete lpRecorder: %x\n", (int)lpRecorder.get()); 331532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent lpRecorder->stop(); 332e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks 333e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks audiorecord_callback_cookie *lpCookie = (audiorecord_callback_cookie *)env->GetIntField( 334e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks thiz, javaAudioRecordFields.nativeCallbackCookie); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 336e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks // reset the native resources in the Java object so any attempt to access 337e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks // them after a call to release fails. 338e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks env->SetIntField(thiz, javaAudioRecordFields.nativeCallbackCookie, 0); 339e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // delete the callback information 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpCookie) { 342532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent Mutex::Autolock l(sLock); 34371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("deleting lpCookie: %x\n", (int)lpCookie); 344532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent while (lpCookie->busy) { 345532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpCookie->cond.waitRelative(sLock, 346532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent milliseconds(CALLBACK_COND_WAIT_TIMEOUT_MS)) != 347532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent NO_ERROR) { 348532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent break; 349532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 350532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent } 351532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sAudioRecordCallBackCookies.remove(lpCookie); 3524bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCookie->audioRecord_class); 3534bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCookie->audioRecord_ref); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete lpCookie; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 360e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparksstatic void android_media_AudioRecord_finalize(JNIEnv *env, jobject thiz) { 361e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks android_media_AudioRecord_release(env, thiz); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_readInByteArray(JNIEnv *env, jobject thiz, 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray javaAudioData, 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint offsetInBytes, jint sizeInBytes) { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* recordBuff = NULL; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the audio recorder from which we'll read new audio samples 371532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder == NULL) { 3733762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Unable to retrieve AudioRecord object, can't record"); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!javaAudioData) { 3783762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Invalid Java array to store recorded audio, can't record"); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the pointer to where we'll record the audio 383421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // NOTE: We may use GetPrimitiveArrayCritical() when the JNI implementation changes in such 384421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // a way that it becomes much more efficient. When doing so, we will have to prevent the 385421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // AudioSystem callback to be called while in critical section (in case of media server 386421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // process crash for instance) 387421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent recordBuff = (jbyte *)env->GetByteArrayElements(javaAudioData, NULL); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (recordBuff == NULL) { 3903762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error retrieving destination for recorded audio data, can't record"); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the new audio data from the native AudioRecord object 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t recorderBuffSize = lpRecorder->frameCount()*lpRecorder->frameSize(); 39618db49a46259020387c40fff36d92edc1087a366Glenn Kasten ssize_t readSize = lpRecorder->read(recordBuff + offsetInBytes, 39718db49a46259020387c40fff36d92edc1087a366Glenn Kasten sizeInBytes > (jint)recorderBuffSize ? 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (jint)recorderBuffSize : sizeInBytes ); 399421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent env->ReleaseByteArrayElements(javaAudioData, recordBuff, 0); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint) readSize; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_readInShortArray(JNIEnv *env, jobject thiz, 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jshortArray javaAudioData, 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint offsetInShorts, jint sizeInShorts) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (android_media_AudioRecord_readInByteArray(env, thiz, 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (jbyteArray) javaAudioData, 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetInShorts*2, sizeInShorts*2) 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project / 2); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_readInDirectBuffer(JNIEnv *env, jobject thiz, 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject jBuffer, jint sizeInBytes) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the audio recorder from which we'll read new audio samples 419532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 42018db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (lpRecorder==NULL) 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // direct buffer and direct access supported? 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long capacity = env->GetDirectBufferCapacity(jBuffer); 42518db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (capacity == -1) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // buffer direct access is not supported 4273762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Buffer direct access is not supported, can't record"); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("capacity = %ld", capacity); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* nativeFromJavaBuf = (jbyte*) env->GetDirectBufferAddress(jBuffer); 43218db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (nativeFromJavaBuf==NULL) { 4333762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Buffer direct access is not supported, can't record"); 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 43518db49a46259020387c40fff36d92edc1087a366Glenn Kasten } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read new data from the recorder 43818db49a46259020387c40fff36d92edc1087a366Glenn Kasten return (jint) lpRecorder->read(nativeFromJavaBuf, 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project capacity < sizeInBytes ? capacity : sizeInBytes); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 44418db49a46259020387c40fff36d92edc1087a366Glenn Kastenstatic jint android_media_AudioRecord_set_marker_pos(JNIEnv *env, jobject thiz, 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint markerPos) { 44618db49a46259020387c40fff36d92edc1087a366Glenn Kasten 447532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 448532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpRecorder == NULL) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for setMarkerPosition()"); 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 453532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return android_media_translateRecorderErrorCode( lpRecorder->setMarkerPosition(markerPos) ); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_get_marker_pos(JNIEnv *env, jobject thiz) { 45918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 460532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t markerPos = 0; 46218db49a46259020387c40fff36d92edc1087a366Glenn Kasten 463532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpRecorder == NULL) { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for getMarkerPosition()"); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 468532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent lpRecorder->getMarkerPosition(&markerPos); 469532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return (jint)markerPos; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_set_pos_update_period(JNIEnv *env, jobject thiz, 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint period) { 47618db49a46259020387c40fff36d92edc1087a366Glenn Kasten 477532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 47818db49a46259020387c40fff36d92edc1087a366Glenn Kasten 479532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpRecorder == NULL) { 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for setPositionUpdatePeriod()"); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 48318db49a46259020387c40fff36d92edc1087a366Glenn Kasten } 484532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return android_media_translateRecorderErrorCode( lpRecorder->setPositionUpdatePeriod(period) ); 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_get_pos_update_period(JNIEnv *env, jobject thiz) { 49018db49a46259020387c40fff36d92edc1087a366Glenn Kasten 491532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t period = 0; 49318db49a46259020387c40fff36d92edc1087a366Glenn Kasten 494532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent if (lpRecorder == NULL) { 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for getPositionUpdatePeriod()"); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 499532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent lpRecorder->getPositionUpdatePeriod(&period); 500532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent return (jint)period; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// returns the minimum required size for the successful creation of an AudioRecord instance. 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// returns 0 if the parameter combination is not supported. 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// return -1 if there was an error querying the buffer size. 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_get_min_buff_size(JNIEnv *env, jobject thiz, 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint sampleRateInHertz, jint nbChannels, jint audioFormat) { 510c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh 511532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent ALOGV(">> android_media_AudioRecord_get_min_buff_size(%d, %d, %d)", 512532bc1cb7da9fdbf34893fa48b2ae11f54cf6a8eEric Laurent sampleRateInHertz, nbChannels, audioFormat); 513c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh 514c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh int frameCount = 0; 515c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh status_t result = AudioRecord::getMinFrameCount(&frameCount, 516c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh sampleRateInHertz, 517c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh (audioFormat == javaAudioRecordFields.PCM16 ? 51824fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin AUDIO_FORMAT_PCM_16_BIT : AUDIO_FORMAT_PCM_8_BIT), 519845b4712f0e4d7ca802f21fba1adae0b1d0712e7Glenn Kasten audio_channel_in_mask_from_count(nbChannels)); 520c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh 521c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh if (result == BAD_VALUE) { 522c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh return 0; 523c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh } 524c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh if (result != NO_ERROR) { 525c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh return -1; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 527c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh return frameCount * nbChannels * (audioFormat == javaAudioRecordFields.PCM16 ? 2 : 1); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gMethods[] = { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // name, signature, funcPtr 535505e5c8859f596ed58489be565d6e029314b2ac8Eric Laurent {"native_start", "(II)I", (void *)android_media_AudioRecord_start}, 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_stop", "()V", (void *)android_media_AudioRecord_stop}, 53744ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent {"native_setup", "(Ljava/lang/Object;IIIII[I)I", 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_media_AudioRecord_setup}, 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_finalize", "()V", (void *)android_media_AudioRecord_finalize}, 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_release", "()V", (void *)android_media_AudioRecord_release}, 54118db49a46259020387c40fff36d92edc1087a366Glenn Kasten {"native_read_in_byte_array", 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "([BII)I", (void *)android_media_AudioRecord_readInByteArray}, 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_read_in_short_array", 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "([SII)I", (void *)android_media_AudioRecord_readInShortArray}, 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_read_in_direct_buffer","(Ljava/lang/Object;I)I", 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_media_AudioRecord_readInDirectBuffer}, 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_set_marker_pos","(I)I", (void *)android_media_AudioRecord_set_marker_pos}, 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_get_marker_pos","()I", (void *)android_media_AudioRecord_get_marker_pos}, 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_set_pos_update_period", 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(I)I", (void *)android_media_AudioRecord_set_pos_update_period}, 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_get_pos_update_period", 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()I", (void *)android_media_AudioRecord_get_pos_update_period}, 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_get_min_buff_size", 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(III)I", (void *)android_media_AudioRecord_get_min_buff_size}, 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// field names found in android/media/AudioRecord.java 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_POSTEVENT_CALLBACK_NAME "postEventFromNative" 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_CONST_PCM16_NAME "ENCODING_PCM_16BIT" 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_CONST_PCM8_NAME "ENCODING_PCM_8BIT" 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME "mNativeRecorderInJavaObj" 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_NATIVECALLBACKINFO_FIELD_NAME "mNativeCallbackCookie" 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_AUDIOFORMAT_CLASS_NAME "android/media/AudioFormat" 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56818db49a46259020387c40fff36d92edc1087a366Glenn Kastenextern bool android_media_getIntConstantFromClass(JNIEnv* pEnv, 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass theClass, const char* className, const char* constName, int* constVal); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_media_AudioRecord(JNIEnv *env) 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava = NULL; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.nativeRecorderInJavaObj = NULL; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.nativeCallbackCookie = NULL; 57718db49a46259020387c40fff36d92edc1087a366Glenn Kasten 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the AudioRecord class 58046e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom jclass audioRecordClass = env->FindClass(kClassPathName); 58146e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom if (audioRecordClass == NULL) { 5823762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find %s", kClassPathName); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the postEvent method 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava = env->GetStaticMethodID( 58746e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom audioRecordClass, 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_POSTEVENT_CALLBACK_NAME, "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (javaAudioRecordFields.postNativeEventInJava == NULL) { 5903762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find AudioRecord.%s", JAVA_POSTEVENT_CALLBACK_NAME); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the variables 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeRecorderInJavaObj 59618db49a46259020387c40fff36d92edc1087a366Glenn Kasten javaAudioRecordFields.nativeRecorderInJavaObj = 59746e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom env->GetFieldID(audioRecordClass, 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME, "I"); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (javaAudioRecordFields.nativeRecorderInJavaObj == NULL) { 6003762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find AudioRecord.%s", JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeCallbackCookie 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.nativeCallbackCookie = env->GetFieldID( 60546e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom audioRecordClass, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_NATIVECALLBACKINFO_FIELD_NAME, "I"); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (javaAudioRecordFields.nativeCallbackCookie == NULL) { 6083762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find AudioRecord.%s", JAVA_NATIVECALLBACKINFO_FIELD_NAME); 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the format constants from the AudioFormat class 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass audioFormatClass = NULL; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioFormatClass = env->FindClass(JAVA_AUDIOFORMAT_CLASS_NAME); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (audioFormatClass == NULL) { 6163762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find %s", JAVA_AUDIOFORMAT_CLASS_NAME); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61918db49a46259020387c40fff36d92edc1087a366Glenn Kasten if ( !android_media_getIntConstantFromClass(env, audioFormatClass, 62018db49a46259020387c40fff36d92edc1087a366Glenn Kasten JAVA_AUDIOFORMAT_CLASS_NAME, 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_CONST_PCM16_NAME, &(javaAudioRecordFields.PCM16)) 62218db49a46259020387c40fff36d92edc1087a366Glenn Kasten || !android_media_getIntConstantFromClass(env, audioFormatClass, 62318db49a46259020387c40fff36d92edc1087a366Glenn Kasten JAVA_AUDIOFORMAT_CLASS_NAME, 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_CONST_PCM8_NAME, &(javaAudioRecordFields.PCM8)) ) { 62518db49a46259020387c40fff36d92edc1087a366Glenn Kasten // error log performed in getIntConstantFromClass() 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kClassPathName, gMethods, NELEM(gMethods)); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 634