android_media_AudioRecord.cpp revision 18db49a46259020387c40fff36d92edc1087a366
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 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_runtime/AndroidRuntime.h" 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "utils/Log.h" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "media/AudioRecord.h" 32a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent#include "media/mediarecorder.h" 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3424fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin#include <cutils/bitops.h> 3524fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin 3634bb419e5946ab28112e9e27a4d1b3928d31e0e2Dima Zavin#include <system/audio.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* const kClassPathName = "android/media/AudioRecord"; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct fields_t { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these fields provide access from C++ to the... 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID postNativeEventInJava; //... event post callback method 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int PCM16; //... format constants 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int PCM8; //... format constants 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID nativeRecorderInJavaObj; // provides access to the C++ AudioRecord object 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID nativeCallbackCookie; // provides access to the AudioRecord callback data 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic fields_t javaAudioRecordFields; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct audiorecord_callback_cookie { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass audioRecord_class; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject audioRecord_ref; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60e6335c904aafa17795b059a5d83b8b7db6c761c8Dave SparksMutex sLock; 61e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_SUCCESS 0 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR -1 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_BAD_VALUE -2 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_INVALID_OPERATION -3 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT -16 69a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent#define AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK -17 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_SETUP_INVALIDFORMAT -18 714bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent#define AUDIORECORD_ERROR_SETUP_INVALIDSOURCE -19 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED -20 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_media_translateRecorderErrorCode(int code) { 7518db49a46259020387c40fff36d92edc1087a366Glenn Kasten switch (code) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case NO_ERROR: 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_SUCCESS; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case BAD_VALUE: 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_BAD_VALUE; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case INVALID_OPERATION: 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_INVALID_OPERATION; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 8418db49a46259020387c40fff36d92edc1087a366Glenn Kasten } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void recorderCallback(int event, void* user, void *info) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (event == AudioRecord::EVENT_MORE_DATA) { 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // set size to 0 to signal we're not using the callback to read more data 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord::Buffer* pBuff = (AudioRecord::Buffer*)info; 9318db49a46259020387c40fff36d92edc1087a366Glenn Kasten pBuff->size = 0; 9418db49a46259020387c40fff36d92edc1087a366Glenn Kasten 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (event == AudioRecord::EVENT_MARKER) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audiorecord_callback_cookie *callbackInfo = (audiorecord_callback_cookie *)user; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (user && env) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod( 10018db49a46259020387c40fff36d92edc1087a366Glenn Kasten callbackInfo->audioRecord_class, 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callbackInfo->audioRecord_ref, event, 0,0, NULL); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (event == AudioRecord::EVENT_NEW_POS) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audiorecord_callback_cookie *callbackInfo = (audiorecord_callback_cookie *)user; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (user && env) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod( 11418db49a46259020387c40fff36d92edc1087a366Glenn Kasten callbackInfo->audioRecord_class, 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava, 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callbackInfo->audioRecord_ref, event, 0,0, NULL); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectandroid_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this, 129a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent jint source, jint sampleRateInHertz, jint channels, 13044ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent jint audioFormat, jint buffSizeInBytes, jintArray jSession) 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV(">> Entering android_media_AudioRecord_setup"); 13371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("sampleRate=%d, audioFormat=%d, channels=%x, buffSizeInBytes=%d", 134a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // sampleRateInHertz, audioFormat, channels, buffSizeInBytes); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13624fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin if (!audio_is_input_channel(channels)) { 1373762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: channel count is not 1 or 2."); 138a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14024fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin uint32_t nbChannels = popcount(channels); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // compare the format against the Java constants 14318db49a46259020387c40fff36d92edc1087a366Glenn Kasten if ((audioFormat != javaAudioRecordFields.PCM16) 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (audioFormat != javaAudioRecordFields.PCM8)) { 1453762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: unsupported audio format."); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_INVALIDFORMAT; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bytesPerSample = audioFormat==javaAudioRecordFields.PCM16 ? 2 : 1; 1500a204ed0f58a9baaac5630864cd75495486c6cbeGlenn Kasten audio_format_t format = audioFormat==javaAudioRecordFields.PCM16 ? 15124fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin AUDIO_FORMAT_PCM_16_BIT : AUDIO_FORMAT_PCM_8_BIT; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buffSizeInBytes == 0) { 1543762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: frameCount is 0."); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameSize = nbChannels * bytesPerSample; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t frameCount = buffSizeInBytes / frameSize; 15918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 1600f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten if (uint32_t(source) >= AUDIO_SOURCE_CNT) { 1613762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: unknown source."); 1624bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent return AUDIORECORD_ERROR_SETUP_INVALIDSOURCE; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1644bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 16544ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent if (jSession == NULL) { 1663762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: invalid session ID pointer"); 16744ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent return AUDIORECORD_ERROR; 16844ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent } 16944ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent 17044ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent jint* nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); 17144ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent if (nSession == NULL) { 1723762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); 17344ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent return AUDIORECORD_ERROR; 17444ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent } 17544ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent int sessionId = nSession[0]; 17644ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); 17744ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession = NULL; 17844ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audiorecord_callback_cookie *lpCallbackData = NULL; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord* lpRecorder = NULL; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create an uninitialized AudioRecord object 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpRecorder = new AudioRecord(); 18418db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (lpRecorder == NULL) { 1853762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord instance."); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18818db49a46259020387c40fff36d92edc1087a366Glenn Kasten 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create the callback information: 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this data will be passed with every AudioRecord callback 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->GetObjectClass(thiz); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 1933762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find %s when setting up callback.", kClassPathName); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto native_track_failure; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData = new audiorecord_callback_cookie; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData->audioRecord_class = (jclass)env->NewGlobalRef(clazz); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we use a weak reference so the AudioRecord object can be garbage collected. 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData->audioRecord_ref = env->NewGlobalRef(weak_this); 20018db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2010f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten lpRecorder->set((audio_source_t) source, 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sampleRateInHertz, 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format, // word length, PCM 204a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channels, 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frameCount, 206f60a5d7162e22b565e5977b5f4032b9334618269Glenn Kasten (AudioRecord::record_flags) 0, // flags 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project recorderCallback,// callback_t 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpCallbackData,// void* user 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, // notificationFrames, 21044ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent true, // threadCanCallJava) 21144ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent sessionId); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21318db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (lpRecorder->initCheck() != NO_ERROR) { 2143762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord instance: initialization check failed."); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto native_init_failure; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21844ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); 21944ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent if (nSession == NULL) { 2203762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); 22144ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent goto native_init_failure; 22244ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent } 223b3db213eb55acb661e4b9ea40bcc00af4b76fab9Glenn Kasten // read the audio session ID back from AudioRecord in case a new session was created during set() 22444ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession[0] = lpRecorder->getSessionId(); 22544ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); 22644ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent nSession = NULL; 22744ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent 22818db49a46259020387c40fff36d92edc1087a366Glenn Kasten // save our newly created C++ AudioRecord in the "nativeRecorderInJavaObj" field 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the Java object 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj, (int)lpRecorder); 23118db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save our newly created callback information in the "nativeCallbackCookie" field 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the Java object (in mNativeCallbackCookie) so we can free the memory in finalize() 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, javaAudioRecordFields.nativeCallbackCookie, (int)lpCallbackData); 23518db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_SUCCESS; 23718db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // failure: 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnative_init_failure: 2404bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCallbackData->audioRecord_class); 2414bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCallbackData->audioRecord_ref); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete lpCallbackData; 2434bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnative_track_failure: 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete lpRecorder; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj, 0); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, javaAudioRecordFields.nativeCallbackCookie, 0); 24918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 2569cc489a2196e449dbe090ad9bdbc5cedd0b8334fEric Laurentstatic int 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectandroid_media_AudioRecord_start(JNIEnv *env, jobject thiz) 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 25918db49a46259020387c40fff36d92edc1087a366Glenn Kasten AudioRecord *lpRecorder = 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder == NULL ) { 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", NULL); 2639cc489a2196e449dbe090ad9bdbc5cedd0b8334fEric Laurent return AUDIORECORD_ERROR; 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26518db49a46259020387c40fff36d92edc1087a366Glenn Kasten 2669cc489a2196e449dbe090ad9bdbc5cedd0b8334fEric Laurent return android_media_translateRecorderErrorCode(lpRecorder->start()); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectandroid_media_AudioRecord_stop(JNIEnv *env, jobject thiz) 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 27418db49a46259020387c40fff36d92edc1087a366Glenn Kasten AudioRecord *lpRecorder = 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder == NULL ) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", NULL); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpRecorder->stop(); 28271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("Called lpRecorder->stop()"); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 287e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparksstatic void android_media_AudioRecord_release(JNIEnv *env, jobject thiz) { 288e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks 289e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks // serialize access. Ugly, but functional. 290e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks Mutex::Autolock lock(&sLock); 29118db49a46259020387c40fff36d92edc1087a366Glenn Kasten AudioRecord *lpRecorder = 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 293e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks audiorecord_callback_cookie *lpCookie = (audiorecord_callback_cookie *)env->GetIntField( 294e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks thiz, javaAudioRecordFields.nativeCallbackCookie); 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 296e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks // reset the native resources in the Java object so any attempt to access 297e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks // them after a call to release fails. 298e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks env->SetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj, 0); 299e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks env->SetIntField(thiz, javaAudioRecordFields.nativeCallbackCookie, 0); 300e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks 301e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks // delete the AudioRecord object 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder) { 30371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("About to delete lpRecorder: %x\n", (int)lpRecorder); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpRecorder->stop(); 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete lpRecorder; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30718db49a46259020387c40fff36d92edc1087a366Glenn Kasten 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // delete the callback information 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpCookie) { 31071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("deleting lpCookie: %x\n", (int)lpCookie); 3114bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCookie->audioRecord_class); 3124bac5a3928d57ac193141eb6d45f3b39200d27deJean-Michel Trivi env->DeleteGlobalRef(lpCookie->audioRecord_ref); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete lpCookie; 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 319e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparksstatic void android_media_AudioRecord_finalize(JNIEnv *env, jobject thiz) { 320e6335c904aafa17795b059a5d83b8b7db6c761c8Dave Sparks android_media_AudioRecord_release(env, thiz); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_readInByteArray(JNIEnv *env, jobject thiz, 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray javaAudioData, 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint offsetInBytes, jint sizeInBytes) { 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* recordBuff = NULL; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord *lpRecorder = NULL; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the audio recorder from which we'll read new audio samples 33218db49a46259020387c40fff36d92edc1087a366Glenn Kasten lpRecorder = 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder == NULL) { 3353762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Unable to retrieve AudioRecord object, can't record"); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!javaAudioData) { 3403762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Invalid Java array to store recorded audio, can't record"); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the pointer to where we'll record the audio 345421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // NOTE: We may use GetPrimitiveArrayCritical() when the JNI implementation changes in such 346421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // a way that it becomes much more efficient. When doing so, we will have to prevent the 347421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // AudioSystem callback to be called while in critical section (in case of media server 348421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent // process crash for instance) 349421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent recordBuff = (jbyte *)env->GetByteArrayElements(javaAudioData, NULL); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (recordBuff == NULL) { 3523762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error retrieving destination for recorded audio data, can't record"); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the new audio data from the native AudioRecord object 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t recorderBuffSize = lpRecorder->frameCount()*lpRecorder->frameSize(); 35818db49a46259020387c40fff36d92edc1087a366Glenn Kasten ssize_t readSize = lpRecorder->read(recordBuff + offsetInBytes, 35918db49a46259020387c40fff36d92edc1087a366Glenn Kasten sizeInBytes > (jint)recorderBuffSize ? 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (jint)recorderBuffSize : sizeInBytes ); 361421ddc014b31478ba0ef115e098d8780a35af331Eric Laurent env->ReleaseByteArrayElements(javaAudioData, recordBuff, 0); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint) readSize; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_readInShortArray(JNIEnv *env, jobject thiz, 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jshortArray javaAudioData, 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint offsetInShorts, jint sizeInShorts) { 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (android_media_AudioRecord_readInByteArray(env, thiz, 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (jbyteArray) javaAudioData, 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetInShorts*2, sizeInShorts*2) 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project / 2); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_readInDirectBuffer(JNIEnv *env, jobject thiz, 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject jBuffer, jint sizeInBytes) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord *lpRecorder = NULL; 38171f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("Entering android_media_AudioRecord_readInBuffer"); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get the audio recorder from which we'll read new audio samples 38418db49a46259020387c40fff36d92edc1087a366Glenn Kasten lpRecorder = 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 38618db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (lpRecorder==NULL) 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // direct buffer and direct access supported? 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long capacity = env->GetDirectBufferCapacity(jBuffer); 39118db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (capacity == -1) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // buffer direct access is not supported 3933762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Buffer direct access is not supported, can't record"); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block //ALOGV("capacity = %ld", capacity); 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* nativeFromJavaBuf = (jbyte*) env->GetDirectBufferAddress(jBuffer); 39818db49a46259020387c40fff36d92edc1087a366Glenn Kasten if (nativeFromJavaBuf==NULL) { 3993762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Buffer direct access is not supported, can't record"); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 40118db49a46259020387c40fff36d92edc1087a366Glenn Kasten } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read new data from the recorder 40418db49a46259020387c40fff36d92edc1087a366Glenn Kasten return (jint) lpRecorder->read(nativeFromJavaBuf, 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project capacity < sizeInBytes ? capacity : sizeInBytes); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 41018db49a46259020387c40fff36d92edc1087a366Glenn Kastenstatic jint android_media_AudioRecord_set_marker_pos(JNIEnv *env, jobject thiz, 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint markerPos) { 41218db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord *lpRecorder = (AudioRecord *)env->GetIntField( 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 41518db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder) { 41718db49a46259020387c40fff36d92edc1087a366Glenn Kasten return 41818db49a46259020387c40fff36d92edc1087a366Glenn Kasten android_media_translateRecorderErrorCode( lpRecorder->setMarkerPosition(markerPos) ); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for setMarkerPosition()"); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_get_marker_pos(JNIEnv *env, jobject thiz) { 42918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord *lpRecorder = (AudioRecord *)env->GetIntField( 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t markerPos = 0; 43318db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder) { 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpRecorder->getMarkerPosition(&markerPos); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint)markerPos; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for getMarkerPosition()"); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_set_pos_update_period(JNIEnv *env, jobject thiz, 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint period) { 44818db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord *lpRecorder = (AudioRecord *)env->GetIntField( 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 45118db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder) { 45318db49a46259020387c40fff36d92edc1087a366Glenn Kasten return 45418db49a46259020387c40fff36d92edc1087a366Glenn Kasten android_media_translateRecorderErrorCode( lpRecorder->setPositionUpdatePeriod(period) ); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for setPositionUpdatePeriod()"); 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 45918db49a46259020387c40fff36d92edc1087a366Glenn Kasten } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_get_pos_update_period(JNIEnv *env, jobject thiz) { 46518db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioRecord *lpRecorder = (AudioRecord *)env->GetIntField( 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project thiz, javaAudioRecordFields.nativeRecorderInJavaObj); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t period = 0; 46918db49a46259020387c40fff36d92edc1087a366Glenn Kasten 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lpRecorder) { 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lpRecorder->getPositionUpdatePeriod(&period); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint)period; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to retrieve AudioRecord pointer for getPositionUpdatePeriod()"); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AUDIORECORD_ERROR; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// returns the minimum required size for the successful creation of an AudioRecord instance. 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// returns 0 if the parameter combination is not supported. 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// return -1 if there was an error querying the buffer size. 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_media_AudioRecord_get_min_buff_size(JNIEnv *env, jobject thiz, 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint sampleRateInHertz, jint nbChannels, jint audioFormat) { 487c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh 48871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV(">> android_media_AudioRecord_get_min_buff_size(%d, %d, %d)", sampleRateInHertz, nbChannels, audioFormat); 489c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh 490c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh int frameCount = 0; 491c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh status_t result = AudioRecord::getMinFrameCount(&frameCount, 492c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh sampleRateInHertz, 493c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh (audioFormat == javaAudioRecordFields.PCM16 ? 49424fc2fb1c541e954b83fd31ea9f786a5e9b45501Dima Zavin AUDIO_FORMAT_PCM_16_BIT : AUDIO_FORMAT_PCM_8_BIT), 495c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh nbChannels); 496c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh 497c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh if (result == BAD_VALUE) { 498c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh return 0; 499c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh } 500c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh if (result != NO_ERROR) { 501c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh return -1; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 503c3308074cd6f06bbb35c1999b5260f938742a9e7Chia-chi Yeh return frameCount * nbChannels * (audioFormat == javaAudioRecordFields.PCM16 ? 2 : 1); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gMethods[] = { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // name, signature, funcPtr 5119cc489a2196e449dbe090ad9bdbc5cedd0b8334fEric Laurent {"native_start", "()I", (void *)android_media_AudioRecord_start}, 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_stop", "()V", (void *)android_media_AudioRecord_stop}, 51344ff4cd8be50768d5bd471bc6c034acefa0b59caEric Laurent {"native_setup", "(Ljava/lang/Object;IIIII[I)I", 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_media_AudioRecord_setup}, 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_finalize", "()V", (void *)android_media_AudioRecord_finalize}, 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_release", "()V", (void *)android_media_AudioRecord_release}, 51718db49a46259020387c40fff36d92edc1087a366Glenn Kasten {"native_read_in_byte_array", 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "([BII)I", (void *)android_media_AudioRecord_readInByteArray}, 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_read_in_short_array", 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "([SII)I", (void *)android_media_AudioRecord_readInShortArray}, 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_read_in_direct_buffer","(Ljava/lang/Object;I)I", 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_media_AudioRecord_readInDirectBuffer}, 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_set_marker_pos","(I)I", (void *)android_media_AudioRecord_set_marker_pos}, 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_get_marker_pos","()I", (void *)android_media_AudioRecord_get_marker_pos}, 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_set_pos_update_period", 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(I)I", (void *)android_media_AudioRecord_set_pos_update_period}, 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_get_pos_update_period", 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()I", (void *)android_media_AudioRecord_get_pos_update_period}, 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_get_min_buff_size", 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(III)I", (void *)android_media_AudioRecord_get_min_buff_size}, 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// field names found in android/media/AudioRecord.java 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_POSTEVENT_CALLBACK_NAME "postEventFromNative" 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_CONST_PCM16_NAME "ENCODING_PCM_16BIT" 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_CONST_PCM8_NAME "ENCODING_PCM_8BIT" 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME "mNativeRecorderInJavaObj" 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_NATIVECALLBACKINFO_FIELD_NAME "mNativeCallbackCookie" 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define JAVA_AUDIOFORMAT_CLASS_NAME "android/media/AudioFormat" 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54418db49a46259020387c40fff36d92edc1087a366Glenn Kastenextern bool android_media_getIntConstantFromClass(JNIEnv* pEnv, 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass theClass, const char* className, const char* constName, int* constVal); 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_media_AudioRecord(JNIEnv *env) 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava = NULL; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.nativeRecorderInJavaObj = NULL; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.nativeCallbackCookie = NULL; 55318db49a46259020387c40fff36d92edc1087a366Glenn Kasten 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the AudioRecord class 55646e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom jclass audioRecordClass = env->FindClass(kClassPathName); 55746e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom if (audioRecordClass == NULL) { 5583762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find %s", kClassPathName); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the postEvent method 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.postNativeEventInJava = env->GetStaticMethodID( 56346e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom audioRecordClass, 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_POSTEVENT_CALLBACK_NAME, "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (javaAudioRecordFields.postNativeEventInJava == NULL) { 5663762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find AudioRecord.%s", JAVA_POSTEVENT_CALLBACK_NAME); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the variables 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeRecorderInJavaObj 57218db49a46259020387c40fff36d92edc1087a366Glenn Kasten javaAudioRecordFields.nativeRecorderInJavaObj = 57346e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom env->GetFieldID(audioRecordClass, 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME, "I"); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (javaAudioRecordFields.nativeRecorderInJavaObj == NULL) { 5763762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find AudioRecord.%s", JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeCallbackCookie 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project javaAudioRecordFields.nativeCallbackCookie = env->GetFieldID( 58146e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom audioRecordClass, 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_NATIVECALLBACKINFO_FIELD_NAME, "I"); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (javaAudioRecordFields.nativeCallbackCookie == NULL) { 5843762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find AudioRecord.%s", JAVA_NATIVECALLBACKINFO_FIELD_NAME); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Get the format constants from the AudioFormat class 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass audioFormatClass = NULL; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioFormatClass = env->FindClass(JAVA_AUDIOFORMAT_CLASS_NAME); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (audioFormatClass == NULL) { 5923762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Can't find %s", JAVA_AUDIOFORMAT_CLASS_NAME); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59518db49a46259020387c40fff36d92edc1087a366Glenn Kasten if ( !android_media_getIntConstantFromClass(env, audioFormatClass, 59618db49a46259020387c40fff36d92edc1087a366Glenn Kasten JAVA_AUDIOFORMAT_CLASS_NAME, 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_CONST_PCM16_NAME, &(javaAudioRecordFields.PCM16)) 59818db49a46259020387c40fff36d92edc1087a366Glenn Kasten || !android_media_getIntConstantFromClass(env, audioFormatClass, 59918db49a46259020387c40fff36d92edc1087a366Glenn Kasten JAVA_AUDIOFORMAT_CLASS_NAME, 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JAVA_CONST_PCM8_NAME, &(javaAudioRecordFields.PCM8)) ) { 60118db49a46259020387c40fff36d92edc1087a366Glenn Kasten // error log performed in getIntConstantFromClass() 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kClassPathName, gMethods, NELEM(gMethods)); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 610