summaryrefslogtreecommitdiffstats
path: root/media/jni
diff options
context:
space:
mode:
Diffstat (limited to 'media/jni')
-rw-r--r--media/jni/Android.mk1
-rw-r--r--media/jni/android_media_MediaDataSource.cpp148
-rw-r--r--media/jni/android_media_MediaDataSource.h73
-rw-r--r--media/jni/android_media_MediaExtractor.cpp74
-rw-r--r--media/jni/android_media_MediaHTTPConnection.cpp1
-rw-r--r--media/jni/android_media_MediaMetadataRetriever.cpp19
-rw-r--r--media/jni/android_media_MediaPlayer.cpp21
7 files changed, 265 insertions, 72 deletions
diff --git a/media/jni/Android.mk b/media/jni/Android.mk
index 5b177e5..8cf9874 100644
--- a/media/jni/Android.mk
+++ b/media/jni/Android.mk
@@ -7,6 +7,7 @@ LOCAL_SRC_FILES:= \
android_media_MediaCrypto.cpp \
android_media_MediaCodec.cpp \
android_media_MediaCodecList.cpp \
+ android_media_MediaDataSource.cpp \
android_media_MediaDrm.cpp \
android_media_MediaExtractor.cpp \
android_media_MediaHTTPConnection.cpp \
diff --git a/media/jni/android_media_MediaDataSource.cpp b/media/jni/android_media_MediaDataSource.cpp
new file mode 100644
index 0000000..1e6d2af
--- /dev/null
+++ b/media/jni/android_media_MediaDataSource.cpp
@@ -0,0 +1,148 @@
+/*
+ * Copyright 2015, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "JMediaDataSource-JNI"
+#include <utils/Log.h>
+
+#include "android_media_MediaDataSource.h"
+
+#include "android_runtime/AndroidRuntime.h"
+#include "android_runtime/Log.h"
+#include "jni.h"
+#include "JNIHelp.h"
+
+#include <binder/MemoryDealer.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <nativehelper/ScopedLocalRef.h>
+
+namespace android {
+
+JMediaDataSource::JMediaDataSource(JNIEnv* env, jobject source)
+ : mJavaObjStatus(OK), mSizeIsCached(false), mCachedSize(0), mMemory(NULL) {
+ mMediaDataSourceObj = env->NewGlobalRef(source);
+ CHECK(mMediaDataSourceObj != NULL);
+
+ ScopedLocalRef<jclass> mediaDataSourceClass(env, env->GetObjectClass(mMediaDataSourceObj));
+ CHECK(mediaDataSourceClass.get() != NULL);
+
+ mReadMethod = env->GetMethodID(mediaDataSourceClass.get(), "readAt", "(J[BI)I");
+ CHECK(mReadMethod != NULL);
+ mGetSizeMethod = env->GetMethodID(mediaDataSourceClass.get(), "getSize", "()J");
+ CHECK(mGetSizeMethod != NULL);
+ mCloseMethod = env->GetMethodID(mediaDataSourceClass.get(), "close", "()V");
+ CHECK(mCloseMethod != NULL);
+
+ ScopedLocalRef<jbyteArray> tmp(env, env->NewByteArray(kBufferSize));
+ mByteArrayObj = (jbyteArray)env->NewGlobalRef(tmp.get());
+ CHECK(mByteArrayObj != NULL);
+
+ sp<MemoryDealer> memoryDealer = new MemoryDealer(kBufferSize, "JMediaDataSource");
+ mMemory = memoryDealer->allocate(kBufferSize);
+ if (mMemory == NULL) {
+ ALOGE("Failed to allocate memory!");
+ }
+}
+
+JMediaDataSource::~JMediaDataSource() {
+ JNIEnv* env = AndroidRuntime::getJNIEnv();
+ env->DeleteGlobalRef(mMediaDataSourceObj);
+ env->DeleteGlobalRef(mByteArrayObj);
+}
+
+sp<IMemory> JMediaDataSource::getIMemory() {
+ Mutex::Autolock lock(mLock);
+ return mMemory;
+}
+
+ssize_t JMediaDataSource::readAt(off64_t offset, size_t size) {
+ Mutex::Autolock lock(mLock);
+
+ if (mJavaObjStatus != OK || mMemory == NULL) {
+ return -1;
+ }
+ if (size > kBufferSize) {
+ size = kBufferSize;
+ }
+
+ JNIEnv* env = AndroidRuntime::getJNIEnv();
+ jint numread = env->CallIntMethod(mMediaDataSourceObj, mReadMethod,
+ (jlong)offset, mByteArrayObj, (jint)size);
+ if (env->ExceptionCheck()) {
+ ALOGW("An exception occurred in readAt()");
+ LOGW_EX(env);
+ env->ExceptionClear();
+ mJavaObjStatus = UNKNOWN_ERROR;
+ return -1;
+ }
+ if (numread < 0) {
+ ALOGW("An error occurred in readAt()");
+ mJavaObjStatus = UNKNOWN_ERROR;
+ return -1;
+ }
+ if ((size_t)numread > size) {
+ ALOGE("readAt read too many bytes.");
+ mJavaObjStatus = UNKNOWN_ERROR;
+ return -1;
+ }
+
+ ALOGV("readAt %lld / %zu => %d.", (long long)offset, size, numread);
+ env->GetByteArrayRegion(mByteArrayObj, 0, numread, (jbyte*)mMemory->pointer());
+ return numread;
+}
+
+status_t JMediaDataSource::getSize(off64_t* size) {
+ Mutex::Autolock lock(mLock);
+
+ if (mJavaObjStatus != OK) {
+ return UNKNOWN_ERROR;
+ }
+ if (mSizeIsCached) {
+ return mCachedSize;
+ }
+
+ JNIEnv* env = AndroidRuntime::getJNIEnv();
+ *size = env->CallLongMethod(mMediaDataSourceObj, mGetSizeMethod);
+ if (env->ExceptionCheck()) {
+ ALOGW("An exception occurred in getSize()");
+ LOGW_EX(env);
+ env->ExceptionClear();
+ // After returning an error, size shouldn't be used by callers.
+ *size = UNKNOWN_ERROR;
+ mJavaObjStatus = UNKNOWN_ERROR;
+ return UNKNOWN_ERROR;
+ }
+
+ // The minimum size should be -1, which indicates unknown size.
+ if (*size < 0) {
+ *size = -1;
+ }
+
+ mCachedSize = *size;
+ mSizeIsCached = true;
+ return OK;
+}
+
+void JMediaDataSource::close() {
+ Mutex::Autolock lock(mLock);
+
+ JNIEnv* env = AndroidRuntime::getJNIEnv();
+ env->CallVoidMethod(mMediaDataSourceObj, mCloseMethod);
+ // The closed state is effectively the same as an error state.
+ mJavaObjStatus = UNKNOWN_ERROR;
+}
+
+} // namespace android
diff --git a/media/jni/android_media_MediaDataSource.h b/media/jni/android_media_MediaDataSource.h
new file mode 100644
index 0000000..2bc237e
--- /dev/null
+++ b/media/jni/android_media_MediaDataSource.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2015, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_MEDIA_MEDIADATASOURCE_H_
+#define _ANDROID_MEDIA_MEDIADATASOURCE_H_
+
+#include "jni.h"
+
+#include <media/IDataSource.h>
+#include <media/stagefright/foundation/ABase.h>
+#include <utils/Errors.h>
+#include <utils/Mutex.h>
+
+namespace android {
+
+// The native counterpart to a Java android.media.MediaDataSource. It inherits from
+// IDataSource so that it can be accessed remotely.
+//
+// If the java DataSource returns an error or throws an exception it
+// will be considered to be in a broken state, and the only further call this
+// will make is to close().
+class JMediaDataSource : public BnDataSource {
+public:
+ enum {
+ kBufferSize = 64 * 1024,
+ };
+
+ JMediaDataSource(JNIEnv *env, jobject source);
+ virtual ~JMediaDataSource();
+
+ virtual sp<IMemory> getIMemory();
+ virtual ssize_t readAt(off64_t offset, size_t size);
+ virtual status_t getSize(off64_t* size);
+ virtual void close();
+
+private:
+ // Protect all member variables with mLock because this object will be
+ // accessed on different binder worker threads.
+ Mutex mLock;
+
+ // The status of the java DataSource. Set to OK unless an error occurred or
+ // close() was called.
+ status_t mJavaObjStatus;
+ // Only call the java getSize() once so the app can't change the size on us.
+ bool mSizeIsCached;
+ off64_t mCachedSize;
+ sp<IMemory> mMemory;
+
+ jobject mMediaDataSourceObj;
+ jmethodID mReadMethod;
+ jmethodID mGetSizeMethod;
+ jmethodID mCloseMethod;
+ jbyteArray mByteArrayObj;
+
+ DISALLOW_EVIL_CONSTRUCTORS(JMediaDataSource);
+};
+
+} // namespace android
+
+#endif // _ANDROID_MEDIA_MEDIADATASOURCE_H_
diff --git a/media/jni/android_media_MediaExtractor.cpp b/media/jni/android_media_MediaExtractor.cpp
index c0795b6..b6b7a80 100644
--- a/media/jni/android_media_MediaExtractor.cpp
+++ b/media/jni/android_media_MediaExtractor.cpp
@@ -25,6 +25,7 @@
#include "android_runtime/Log.h"
#include "jni.h"
#include "JNIHelp.h"
+#include "android_media_MediaDataSource.h"
#include <media/IMediaHTTPService.h>
#include <media/hardware/CryptoAPI.h>
@@ -50,74 +51,6 @@ struct fields_t {
static fields_t gFields;
-class JavaDataSourceBridge : public DataSource {
- jmethodID mReadMethod;
- jmethodID mGetSizeMethod;
- jmethodID mCloseMethod;
- jobject mDataSource;
- public:
- JavaDataSourceBridge(JNIEnv *env, jobject source) {
- mDataSource = env->NewGlobalRef(source);
-
- jclass datasourceclass = env->GetObjectClass(mDataSource);
- CHECK(datasourceclass != NULL);
-
- mReadMethod = env->GetMethodID(datasourceclass, "readAt", "(J[BI)I");
- CHECK(mReadMethod != NULL);
-
- mGetSizeMethod = env->GetMethodID(datasourceclass, "getSize", "()J");
- CHECK(mGetSizeMethod != NULL);
-
- mCloseMethod = env->GetMethodID(datasourceclass, "close", "()V");
- CHECK(mCloseMethod != NULL);
- }
-
- ~JavaDataSourceBridge() {
- JNIEnv *env = AndroidRuntime::getJNIEnv();
- env->CallVoidMethod(mDataSource, mCloseMethod);
- env->DeleteGlobalRef(mDataSource);
- }
-
- virtual status_t initCheck() const {
- return OK;
- }
-
- virtual ssize_t readAt(off64_t offset, void* buffer, size_t size) {
- JNIEnv *env = AndroidRuntime::getJNIEnv();
-
- // XXX could optimize this by reusing the same array
- jbyteArray byteArrayObj = env->NewByteArray(size);
- env->DeleteLocalRef(env->GetObjectClass(mDataSource));
- env->DeleteLocalRef(env->GetObjectClass(byteArrayObj));
- ssize_t numread = env->CallIntMethod(mDataSource, mReadMethod, offset, byteArrayObj, (jint)size);
- env->GetByteArrayRegion(byteArrayObj, 0, size, (jbyte*) buffer);
- env->DeleteLocalRef(byteArrayObj);
- if (env->ExceptionCheck()) {
- ALOGW("Exception occurred while reading %zu at %lld", size, (long long)offset);
- LOGW_EX(env);
- env->ExceptionClear();
- return -1;
- }
- return numread;
- }
-
- virtual status_t getSize(off64_t *size) {
- JNIEnv *env = AndroidRuntime::getJNIEnv();
-
- CHECK(size != NULL);
-
- int64_t len = env->CallLongMethod(mDataSource, mGetSizeMethod);
- if (len < 0) {
- *size = ERROR_UNSUPPORTED;
- } else {
- *size = len;
- }
- return OK;
- }
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
JMediaExtractor::JMediaExtractor(JNIEnv *env, jobject thiz)
: mClass(NULL),
mObject(NULL) {
@@ -777,7 +710,8 @@ static void android_media_MediaExtractor_setDataSourceCallback(
return;
}
- sp<JavaDataSourceBridge> bridge = new JavaDataSourceBridge(env, callbackObj);
+ sp<DataSource> bridge =
+ DataSource::CreateFromIDataSource(new JMediaDataSource(env, callbackObj));
status_t err = extractor->setDataSource(bridge);
if (err != OK) {
@@ -881,7 +815,7 @@ static JNINativeMethod gMethods[] = {
{ "setDataSource", "(Ljava/io/FileDescriptor;JJ)V",
(void *)android_media_MediaExtractor_setDataSourceFd },
- { "setDataSource", "(Landroid/media/DataSource;)V",
+ { "setDataSource", "(Landroid/media/MediaDataSource;)V",
(void *)android_media_MediaExtractor_setDataSourceCallback },
{ "getCachedDuration", "()J",
diff --git a/media/jni/android_media_MediaHTTPConnection.cpp b/media/jni/android_media_MediaHTTPConnection.cpp
index 7226ef5..393003d 100644
--- a/media/jni/android_media_MediaHTTPConnection.cpp
+++ b/media/jni/android_media_MediaHTTPConnection.cpp
@@ -134,7 +134,6 @@ static jobject android_media_MediaHTTPConnection_native_getIMemory(
static jint android_media_MediaHTTPConnection_native_readAt(
JNIEnv *env, jobject thiz, jlong offset, jint size) {
sp<JMediaHTTPConnection> conn = getObject(env, thiz);
-
if (size > JMediaHTTPConnection::kBufferSize) {
size = JMediaHTTPConnection::kBufferSize;
}
diff --git a/media/jni/android_media_MediaMetadataRetriever.cpp b/media/jni/android_media_MediaMetadataRetriever.cpp
index c6fa379..59fb6d6 100644
--- a/media/jni/android_media_MediaMetadataRetriever.cpp
+++ b/media/jni/android_media_MediaMetadataRetriever.cpp
@@ -30,6 +30,7 @@
#include "jni.h"
#include "JNIHelp.h"
#include "android_runtime/AndroidRuntime.h"
+#include "android_media_MediaDataSource.h"
#include "android_media_Utils.h"
#include "android_util_Binder.h"
@@ -171,6 +172,23 @@ static void android_media_MediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jo
process_media_retriever_call(env, retriever->setDataSource(fd, offset, length), "java/lang/RuntimeException", "setDataSource failed");
}
+static void android_media_MediaMetadataRetriever_setDataSourceCallback(JNIEnv *env, jobject thiz, jobject dataSource)
+{
+ ALOGV("setDataSourceCallback");
+ MediaMetadataRetriever* retriever = getRetriever(env, thiz);
+ if (retriever == 0) {
+ jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
+ return;
+ }
+ if (dataSource == NULL) {
+ jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
+ return;
+ }
+
+ sp<IDataSource> callbackDataSource = new JMediaDataSource(env, dataSource);
+ process_media_retriever_call(env, retriever->setDataSource(callbackDataSource), "java/lang/RuntimeException", "setDataSourceCallback failed");
+}
+
template<typename T>
static void rotate0(T* dst, const T* src, size_t width, size_t height)
{
@@ -457,6 +475,7 @@ static JNINativeMethod nativeMethods[] = {
},
{"setDataSource", "(Ljava/io/FileDescriptor;JJ)V", (void *)android_media_MediaMetadataRetriever_setDataSourceFD},
+ {"_setDataSource", "(Landroid/media/MediaDataSource;)V", (void *)android_media_MediaMetadataRetriever_setDataSourceCallback},
{"_getFrameAtTime", "(JI)Landroid/graphics/Bitmap;", (void *)android_media_MediaMetadataRetriever_getFrameAtTime},
{"extractMetadata", "(I)Ljava/lang/String;", (void *)android_media_MediaMetadataRetriever_extractMetadata},
{"getEmbeddedPicture", "(I)[B", (void *)android_media_MediaMetadataRetriever_getEmbeddedPicture},
diff --git a/media/jni/android_media_MediaPlayer.cpp b/media/jni/android_media_MediaPlayer.cpp
index 3e41716..c247220 100644
--- a/media/jni/android_media_MediaPlayer.cpp
+++ b/media/jni/android_media_MediaPlayer.cpp
@@ -36,6 +36,7 @@
#include "utils/Errors.h" // for status_t
#include "utils/KeyedVector.h"
#include "utils/String8.h"
+#include "android_media_MediaDataSource.h"
#include "android_media_Utils.h"
#include "android_os_Parcel.h"
@@ -251,6 +252,23 @@ android_media_MediaPlayer_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fil
process_media_player_call( env, thiz, mp->setDataSource(fd, offset, length), "java/io/IOException", "setDataSourceFD failed." );
}
+static void
+android_media_MediaPlayer_setDataSourceCallback(JNIEnv *env, jobject thiz, jobject dataSource)
+{
+ sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
+ if (mp == NULL ) {
+ jniThrowException(env, "java/lang/IllegalStateException", NULL);
+ return;
+ }
+
+ if (dataSource == NULL) {
+ jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
+ return;
+ }
+ sp<IDataSource> callbackDataSource = new JMediaDataSource(env, dataSource);
+ process_media_player_call(env, thiz, mp->setDataSource(callbackDataSource), "java/lang/RuntimeException", "setDataSourceCallback failed." );
+}
+
static sp<IGraphicBufferProducer>
getVideoSurfaceTexture(JNIEnv* env, jobject thiz) {
IGraphicBufferProducer * const p = (IGraphicBufferProducer*)env->GetLongField(thiz, fields.surface_texture);
@@ -871,7 +889,8 @@ static JNINativeMethod gMethods[] = {
(void *)android_media_MediaPlayer_setDataSourceAndHeaders
},
- {"_setDataSource", "(Ljava/io/FileDescriptor;JJ)V", (void *)android_media_MediaPlayer_setDataSourceFD},
+ {"_setDataSource", "(Ljava/io/FileDescriptor;JJ)V", (void *)android_media_MediaPlayer_setDataSourceFD},
+ {"_setDataSource", "(Landroid/media/MediaDataSource;)V",(void *)android_media_MediaPlayer_setDataSourceCallback },
{"_setVideoSurface", "(Landroid/view/Surface;)V", (void *)android_media_MediaPlayer_setVideoSurface},
{"_prepare", "()V", (void *)android_media_MediaPlayer_prepare},
{"prepareAsync", "()V", (void *)android_media_MediaPlayer_prepareAsync},
generated by cgit v1.1 at 2025-01-23 09:45:32 +0000