android_media_MediaMetadataRetriever.cpp revision 79f407cc6c5ae34fc6f04d52fd034b49d1f002c4
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2008, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "MediaMetadataRetrieverJNI" 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <core/SkBitmap.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/mediametadataretriever.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <private/media/VideoFrame.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_runtime/AndroidRuntime.h" 3179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#include "android_media_Utils.h" 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct fields_t { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID context; 38c371a02e7cf504e9a926ca29c33e63b658c2cef7James Dong jclass bitmapClazz; // Must be a global ref 390e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong jfieldID nativeBitmap; 4053ebc72fd83f83bb5536d5917390aae03b7f5cadJames Dong jmethodID createBitmapMethod; 419f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong jmethodID createScaledBitmapMethod; 42c371a02e7cf504e9a926ca29c33e63b658c2cef7James Dong jclass configClazz; // Must be a global ref 430e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong jmethodID createConfigMethod; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic fields_t fields; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Mutex sLock; 484935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissenstatic const char* const kClassPathName = "android/media/MediaMetadataRetriever"; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void process_media_retriever_call(JNIEnv *env, status_t opStatus, const char* exception, const char *message) 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (opStatus == (status_t) INVALID_OPERATION) { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", NULL); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (opStatus != (status_t) OK) { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strlen(message) > 230) { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the message is too long, don't bother displaying the status code. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException( env, exception, message); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char msg[256]; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Append the status code to the message. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(msg, "%s: status = 0x%X", message, opStatus); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException( env, exception, msg); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic MediaMetadataRetriever* getRetriever(JNIEnv* env, jobject thiz) 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No lock is needed, since it is called internally by other methods that are protected 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = (MediaMetadataRetriever*) env->GetIntField(thiz, fields.context); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return retriever; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void setRetriever(JNIEnv* env, jobject thiz, int retriever) 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No lock is needed, since it is called internally by other methods that are protected 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever *old = (MediaMetadataRetriever*) env->GetIntField(thiz, fields.context); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, fields.context, retriever); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 815b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huberstatic void 825b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huberandroid_media_MediaMetadataRetriever_setDataSourceAndHeaders( 8317524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong JNIEnv *env, jobject thiz, jstring path, 8417524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong jobjectArray keys, jobjectArray values) { 8517524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setDataSource"); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = getRetriever(env, thiz); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (retriever == 0) { 895b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber jniThrowException( 905b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber env, 915b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber "java/lang/IllegalStateException", "No retriever available"); 925b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 955b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!path) { 975b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber jniThrowException( 985b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber env, "java/lang/IllegalArgumentException", "Null pointer"); 995b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1035b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber const char *tmp = env->GetStringUTFChars(path, NULL); 1045bb357f4ccdb573efbe1476a7f20e82f454b3a93Andreas Huber if (!tmp) { // OutOfMemoryError exception already thrown 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1085bb357f4ccdb573efbe1476a7f20e82f454b3a93Andreas Huber String8 pathStr(tmp); 1095b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber env->ReleaseStringUTFChars(path, tmp); 1105b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber tmp = NULL; 1115b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't let somebody trick us in to reading some random block of memory 1135b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber if (strncmp("mem://", pathStr.string(), 6) == 0) { 1145b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber jniThrowException( 1155b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber env, "java/lang/IllegalArgumentException", "Invalid pathname"); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1195b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber // We build a similar KeyedVector out of it. 1205b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber KeyedVector<String8, String8> headersVector; 12179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong if (!ConvertKeyValueArraysToKeyedVector( 12279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong env, keys, values, &headersVector)) { 12379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong return; 1245b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber } 1255b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber process_media_retriever_call( 1265b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber env, 1275b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber retriever->setDataSource( 12879f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong pathStr.string(), headersVector.size() > 0 ? &headersVector : NULL), 1295b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber 1305b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber "java/lang/RuntimeException", 1315b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber "setDataSource failed"); 1325b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber} 1335b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber 13479f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 1355b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huberstatic void android_media_MediaMetadataRetriever_setDataSource( 1365b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber JNIEnv *env, jobject thiz, jstring path) { 1375b7ced6a4ebcec34a36d0779773bc9e671732dbfAndreas Huber android_media_MediaMetadataRetriever_setDataSourceAndHeaders( 13817524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong env, thiz, path, NULL, NULL); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_media_MediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length) 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setDataSource"); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = getRetriever(env, thiz); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (retriever == 0) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!fileDescriptor) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 153a3804cf77f0edd93f6247a055cdafb856b117eecElliott Hughes int fd = jniGetFDFromFileDescriptor(env, fileDescriptor); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || length < 0 || fd < 0) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("negative offset (%lld)", offset); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (length < 0) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("negative length (%lld)", length); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("invalid file descriptor"); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project process_media_retriever_call(env, retriever->setDataSource(fd, offset, length), "java/lang/RuntimeException", "setDataSource failed"); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 170ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirotemplate<typename T> 171ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirostatic void rotate0(T* dst, const T* src, size_t width, size_t height) 172ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro{ 173ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro memcpy(dst, src, width * height * sizeof(T)); 174ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro} 175ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 176ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirotemplate<typename T> 177ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirostatic void rotate90(T* dst, const T* src, size_t width, size_t height) 178ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro{ 179ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro for (size_t i = 0; i < height; ++i) { 180ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro for (size_t j = 0; j < width; ++j) { 181ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro dst[j * height + height - 1 - i] = src[i * width + j]; 182ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 183ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 184ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro} 185ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 186ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirotemplate<typename T> 187ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirostatic void rotate180(T* dst, const T* src, size_t width, size_t height) 188ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro{ 189ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro for (size_t i = 0; i < height; ++i) { 190ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro for (size_t j = 0; j < width; ++j) { 191ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro dst[(height - 1 - i) * width + width - 1 - j] = src[i * width + j]; 192ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 193ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 194ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro} 195ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 196ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirotemplate<typename T> 197ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirostatic void rotate270(T* dst, const T* src, size_t width, size_t height) 198ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro{ 199ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro for (size_t i = 0; i < height; ++i) { 200ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro for (size_t j = 0; j < width; ++j) { 201ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro dst[(width - 1 - j) * height + i] = src[i * width + j]; 202ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 203ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 204ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro} 205ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 206ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirotemplate<typename T> 207ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapirostatic void rotate(T *dst, const T *src, size_t width, size_t height, int angle) 208ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro{ 209ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro switch (angle) { 210ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro case 0: 211ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro rotate0(dst, src, width, height); 212ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro break; 213ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro case 90: 214ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro rotate90(dst, src, width, height); 215ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro break; 216ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro case 180: 217ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro rotate180(dst, src, width, height); 218ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro break; 219ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro case 270: 220ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro rotate270(dst, src, width, height); 221ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro break; 222ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 223ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro} 224ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 225faf09ba9405ff019b5ca7e2317debe4ff269d4f8James Dongstatic jobject android_media_MediaMetadataRetriever_getFrameAtTime(JNIEnv *env, jobject thiz, jlong timeUs, jint option) 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 227faf09ba9405ff019b5ca7e2317debe4ff269d4f8James Dong LOGV("getFrameAtTime: %lld us option: %d", timeUs, option); 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = getRetriever(env, thiz); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (retriever == 0) { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Call native method to retrieve a video frame 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project VideoFrame *videoFrame = NULL; 236faf09ba9405ff019b5ca7e2317debe4ff269d4f8James Dong sp<IMemory> frameMemory = retriever->getFrameAtTime(timeUs, option); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frameMemory != 0) { // cast the shared structure to a VideoFrame object 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project videoFrame = static_cast<VideoFrame *>(frameMemory->pointer()); 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (videoFrame == NULL) { 241faf09ba9405ff019b5ca7e2317debe4ff269d4f8James Dong LOGE("getFrameAtTime: videoFrame is a NULL pointer"); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2450e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong LOGV("Dimension = %dx%d and bytes = %d", 2460e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong videoFrame->mDisplayWidth, 2470e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong videoFrame->mDisplayHeight, 2480e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong videoFrame->mSize); 2490e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong 2500e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong jobject config = env->CallStaticObjectMethod( 2510e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.configClazz, 2520e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.createConfigMethod, 2530e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong SkBitmap::kRGB_565_Config); 2540e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong 255ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro size_t width, height; 2569f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong bool swapWidthAndHeight = false; 257ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro if (videoFrame->mRotationAngle == 90 || videoFrame->mRotationAngle == 270) { 2589f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong width = videoFrame->mHeight; 2599f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong height = videoFrame->mWidth; 2609f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong swapWidthAndHeight = true; 261ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } else { 2629f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong width = videoFrame->mWidth; 2639f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong height = videoFrame->mHeight; 264ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro } 265ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 2660e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong jobject jBitmap = env->CallStaticObjectMethod( 2670e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.bitmapClazz, 2680e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.createBitmapMethod, 269ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro width, 270ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro height, 2710e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong config); 272ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro 2730e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong SkBitmap *bitmap = 2740e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong (SkBitmap *) env->GetIntField(jBitmap, fields.nativeBitmap); 2750e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong 2760e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong bitmap->lockPixels(); 277ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro rotate((uint16_t*)bitmap->getPixels(), 278ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro (uint16_t*)((char*)videoFrame + sizeof(VideoFrame)), 2799f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong videoFrame->mWidth, 2809f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong videoFrame->mHeight, 281ae12a50a35c0d8425430d0e934c022ecb9cd4936Carl Shapiro videoFrame->mRotationAngle); 2820e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong bitmap->unlockPixels(); 2830e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong 2849f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong if (videoFrame->mDisplayWidth != videoFrame->mWidth || 2859f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong videoFrame->mDisplayHeight != videoFrame->mHeight) { 2869f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong size_t displayWidth = videoFrame->mDisplayWidth; 2879f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong size_t displayHeight = videoFrame->mDisplayHeight; 2889f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong if (swapWidthAndHeight) { 2899f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong displayWidth = videoFrame->mDisplayHeight; 2909f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong displayHeight = videoFrame->mDisplayWidth; 2919f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong } 2929f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong LOGV("Bitmap dimension is scaled from %dx%d to %dx%d", 2939f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong width, height, displayWidth, displayHeight); 2949f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong jobject scaledBitmap = env->CallStaticObjectMethod(fields.bitmapClazz, 2959f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong fields.createScaledBitmapMethod, 2969f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong jBitmap, 2979f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong displayWidth, 2989f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong displayHeight, 2999f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong true); 3009f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong return scaledBitmap; 3019f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong } 3029f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong 3030e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong return jBitmap; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 306df9b349b960fff95dff4fcf8b2661899e33059daJames Dongstatic jbyteArray android_media_MediaMetadataRetriever_getEmbeddedPicture( 307df9b349b960fff95dff4fcf8b2661899e33059daJames Dong JNIEnv *env, jobject thiz, jint pictureType) 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 309df9b349b960fff95dff4fcf8b2661899e33059daJames Dong LOGV("getEmbeddedPicture: %d", pictureType); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = getRetriever(env, thiz); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (retriever == 0) { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaAlbumArt* mediaAlbumArt = NULL; 316df9b349b960fff95dff4fcf8b2661899e33059daJames Dong 317df9b349b960fff95dff4fcf8b2661899e33059daJames Dong // FIXME: 318df9b349b960fff95dff4fcf8b2661899e33059daJames Dong // Use pictureType to retrieve the intended embedded picture and also change 319df9b349b960fff95dff4fcf8b2661899e33059daJames Dong // the method name to getEmbeddedPicture(). 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IMemory> albumArtMemory = retriever->extractAlbumArt(); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (albumArtMemory != 0) { // cast the shared structure to a MediaAlbumArt object 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mediaAlbumArt = static_cast<MediaAlbumArt *>(albumArtMemory->pointer()); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mediaAlbumArt == NULL) { 325df9b349b960fff95dff4fcf8b2661899e33059daJames Dong LOGE("getEmbeddedPicture: Call to getEmbeddedPicture failed."); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unsigned int len = mediaAlbumArt->mSize; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* data = (char*) mediaAlbumArt + sizeof(MediaAlbumArt); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray array = env->NewByteArray(len); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!array) { // OutOfMemoryError exception has already been thrown. 333df9b349b960fff95dff4fcf8b2661899e33059daJames Dong LOGE("getEmbeddedPicture: OutOfMemoryError is thrown."); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* bytes = env->GetByteArrayElements(array, NULL); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bytes != NULL) { 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(bytes, data, len); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseByteArrayElements(array, bytes, 0); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No need to delete mediaAlbumArt here 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return array; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jobject android_media_MediaMetadataRetriever_extractMetadata(JNIEnv *env, jobject thiz, jint keyCode) 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("extractMetadata"); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = getRetriever(env, thiz); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (retriever == 0) { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* value = retriever->extractMetadata(keyCode); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!value) { 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("extractMetadata: Metadata is not found"); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("extractMetadata: value (%s) for keyCode(%d)", value, keyCode); 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewStringUTF(value); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_media_MediaMetadataRetriever_release(JNIEnv *env, jobject thiz) 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("release"); 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(sLock); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = getRetriever(env, thiz); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete retriever; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setRetriever(env, thiz, 0); 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_media_MediaMetadataRetriever_native_finalize(JNIEnv *env, jobject thiz) 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_finalize"); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No lock is needed, since android_media_MediaMetadataRetriever_release() is protected 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_media_MediaMetadataRetriever_release(env, thiz); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3794935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen// This function gets a field ID, which in turn causes class initialization. 3804935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen// It is called from a static block in MediaMetadataRetriever, which won't run until the 3814935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen// first time an instance of this class is used. 3824935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissenstatic void android_media_MediaMetadataRetriever_native_init(JNIEnv *env) 3834935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen{ 3844935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen jclass clazz = env->FindClass(kClassPathName); 3854935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen if (clazz == NULL) { 3864935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen return; 3874935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen } 3884935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 3894935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen fields.context = env->GetFieldID(clazz, "mNativeContext", "I"); 3904935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen if (fields.context == NULL) { 3914935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen return; 3924935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen } 3934935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 39446e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom jclass bitmapClazz = env->FindClass("android/graphics/Bitmap"); 39546e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom if (bitmapClazz == NULL) { 39646e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom return; 39746e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom } 39846e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom fields.bitmapClazz = (jclass) env->NewGlobalRef(bitmapClazz); 3994935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen if (fields.bitmapClazz == NULL) { 4004935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen return; 4014935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen } 4020e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.createBitmapMethod = 4030e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong env->GetStaticMethodID(fields.bitmapClazz, "createBitmap", 4040e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong "(IILandroid/graphics/Bitmap$Config;)" 4050e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong "Landroid/graphics/Bitmap;"); 4060e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong if (fields.createBitmapMethod == NULL) { 4070e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong return; 4080e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong } 4099f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong fields.createScaledBitmapMethod = 4109f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong env->GetStaticMethodID(fields.bitmapClazz, "createScaledBitmap", 4119f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong "(Landroid/graphics/Bitmap;IIZ)" 4129f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong "Landroid/graphics/Bitmap;"); 4139f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong if (fields.createScaledBitmapMethod == NULL) { 4149f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong return; 4159f2cde3cdb3e2de97f450d0f4e2b52aae86ce5a3James Dong } 4160e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.nativeBitmap = env->GetFieldID(fields.bitmapClazz, "mNativeBitmap", "I"); 4170e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong if (fields.nativeBitmap == NULL) { 41846e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom return; 4190e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong } 4200e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong 42146e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom jclass configClazz = env->FindClass("android/graphics/Bitmap$Config"); 42246e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom if (configClazz == NULL) { 42346e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom return; 42446e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom } 42546e18c11d46a2bc1a46174f963d0ed1224d94cd2Brian Carlstrom fields.configClazz = (jclass) env->NewGlobalRef(configClazz); 4260e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong if (fields.configClazz == NULL) { 4270e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong return; 4280e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong } 4290e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong fields.createConfigMethod = 4300e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong env->GetStaticMethodID(fields.configClazz, "nativeToConfig", 4310e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong "(I)Landroid/graphics/Bitmap$Config;"); 4320e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong if (fields.createConfigMethod == NULL) { 4330e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong return; 4340e4b535b439f2c8bd4f7ba820f81bf74336bae76James Dong } 4354935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen} 4364935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_media_MediaMetadataRetriever_native_setup(JNIEnv *env, jobject thiz) 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_setup"); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaMetadataRetriever* retriever = new MediaMetadataRetriever(); 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (retriever == 0) { 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setRetriever(env, thiz, (int)retriever); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// JNI mapping between Java methods and native methods 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod nativeMethods[] = { 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setDataSource", "(Ljava/lang/String;)V", (void *)android_media_MediaMetadataRetriever_setDataSource}, 45117524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong 45217524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong { 45317524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong "_setDataSource", 45417524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong "(Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)V", 45517524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong (void *)android_media_MediaMetadataRetriever_setDataSourceAndHeaders 45617524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong }, 45717524dc0d296146c8ffb3f692dc8ab05fee5b1e0James Dong 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setDataSource", "(Ljava/io/FileDescriptor;JJ)V", (void *)android_media_MediaMetadataRetriever_setDataSourceFD}, 459faf09ba9405ff019b5ca7e2317debe4ff269d4f8James Dong {"_getFrameAtTime", "(JI)Landroid/graphics/Bitmap;", (void *)android_media_MediaMetadataRetriever_getFrameAtTime}, 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"extractMetadata", "(I)Ljava/lang/String;", (void *)android_media_MediaMetadataRetriever_extractMetadata}, 461df9b349b960fff95dff4fcf8b2661899e33059daJames Dong {"getEmbeddedPicture", "(I)[B", (void *)android_media_MediaMetadataRetriever_getEmbeddedPicture}, 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"release", "()V", (void *)android_media_MediaMetadataRetriever_release}, 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_finalize", "()V", (void *)android_media_MediaMetadataRetriever_native_finalize}, 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"native_setup", "()V", (void *)android_media_MediaMetadataRetriever_native_setup}, 4654935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen {"native_init", "()V", (void *)android_media_MediaMetadataRetriever_native_init}, 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4684935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen// This function only registers the native methods, and is called from 4694935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen// JNI_OnLoad in android_media_MediaPlayer.cpp 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_media_MediaMetadataRetriever(JNIEnv *env) 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods 4734935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen (env, kClassPathName, nativeMethods, NELEM(nativeMethods)); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 475