Loading media/ndk/Android.bp +1 −0 Original line number Diff line number Diff line Loading @@ -37,6 +37,7 @@ cc_library_shared { srcs: [ "NdkMediaCodec.cpp", "NdkMediaCrypto.cpp", "NdkMediaDataSource.cpp", "NdkMediaExtractor.cpp", "NdkMediaFormat.cpp", "NdkMediaMuxer.cpp", Loading media/ndk/NdkMediaDataSource.cpp 0 → 100644 +115 −0 Original line number Diff line number Diff line /* * Copyright (C) 2018 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 "NdkMediaDataSource" #include "NdkMediaDataSourcePriv.h" #include <inttypes.h> #include <jni.h> #include <unistd.h> #include <binder/IServiceManager.h> #include <cutils/properties.h> #include <utils/Log.h> #include <utils/StrongPointer.h> #include <media/NdkMediaError.h> #include <media/NdkMediaDataSource.h> #include <media/stagefright/InterfaceUtils.h> #include "../../libstagefright/include/HTTPBase.h" #include "../../libstagefright/include/NuCachedSource2.h" using namespace android; struct AMediaDataSource { void *userdata; AMediaDataSourceReadAt readAt; AMediaDataSourceGetSize getSize; }; NdkDataSource::NdkDataSource(AMediaDataSource *dataSource) : mDataSource(dataSource) { } status_t NdkDataSource::initCheck() const { return OK; } ssize_t NdkDataSource::readAt(off64_t offset, void *data, size_t size) { Mutex::Autolock l(mLock); if (mDataSource->getSize == NULL || mDataSource->userdata == NULL) { return -1; } return mDataSource->readAt(mDataSource->userdata, offset, data, size); } status_t NdkDataSource::getSize(off64_t *size) { Mutex::Autolock l(mLock); if (mDataSource->getSize == NULL || mDataSource->userdata == NULL) { return NO_INIT; } if (size != NULL) { *size = mDataSource->getSize(mDataSource->userdata); } return OK; } String8 NdkDataSource::toString() { return String8::format("NdkDataSource(pid %d, uid %d)", getpid(), getuid()); } String8 NdkDataSource::getMIMEType() const { return String8("application/octet-stream"); } extern "C" { EXPORT AMediaDataSource* AMediaDataSource_new() { AMediaDataSource *mSource = new AMediaDataSource(); mSource->userdata = NULL; mSource->readAt = NULL; mSource->getSize = NULL; return mSource; } EXPORT void AMediaDataSource_delete(AMediaDataSource *mSource) { ALOGV("dtor"); if (mSource != NULL) { delete mSource; } } EXPORT void AMediaDataSource_setUserdata(AMediaDataSource *mSource, void *userdata) { mSource->userdata = userdata; } EXPORT void AMediaDataSource_setReadAt(AMediaDataSource *mSource, AMediaDataSourceReadAt readAt) { mSource->readAt = readAt; } EXPORT void AMediaDataSource_setGetSize(AMediaDataSource *mSource, AMediaDataSourceGetSize getSize) { mSource->getSize = getSize; } } // extern "C" media/ndk/NdkMediaDataSourcePriv.h 0 → 100644 +59 −0 Original line number Diff line number Diff line /* * Copyright (C) 2018 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. */ /* * This file defines an NDK API. * Do not remove methods. * Do not change method signatures. * Do not change the value of constants. * Do not change the size of any of the classes defined in here. * Do not reference types that are not part of the NDK. * Do not #include files that aren't part of the NDK. */ #ifndef _NDK_MEDIA_DATASOURCE_PRIV_H #define _NDK_MEDIA_DATASOURCE_PRIV_H #include <sys/cdefs.h> #include <sys/types.h> #include <media/DataSource.h> #include <media/NdkMediaDataSource.h> #include <utils/Mutex.h> #include <utils/String8.h> using namespace android; struct NdkDataSource : public DataSource { NdkDataSource(AMediaDataSource *); virtual status_t initCheck() const; virtual ssize_t readAt(off64_t offset, void *data, size_t size); virtual status_t getSize(off64_t *); virtual String8 toString(); virtual String8 getMIMEType() const; private: Mutex mLock; AMediaDataSource *mDataSource; }; #endif // _NDK_MEDIA_DATASOURCE_PRIV_H media/ndk/NdkMediaExtractor.cpp +6 −0 Original line number Diff line number Diff line Loading @@ -20,6 +20,7 @@ #include <media/NdkMediaError.h> #include <media/NdkMediaExtractor.h> #include "NdkMediaDataSourcePriv.h" #include "NdkMediaFormatPriv.h" Loading Loading @@ -120,6 +121,11 @@ media_status_t AMediaExtractor_setDataSource(AMediaExtractor *mData, const char return translate_error(err); } EXPORT media_status_t AMediaExtractor_setDataSourceCustom(AMediaExtractor* mData, AMediaDataSource *src) { return translate_error(mData->mImpl->setDataSource(new NdkDataSource(src))); } EXPORT size_t AMediaExtractor_getTrackCount(AMediaExtractor *mData) { return mData->mImpl->countTracks(); Loading media/ndk/include/media/NdkMediaDataSource.h 0 → 100644 +124 −0 Original line number Diff line number Diff line /* * Copyright (C) 2018 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. */ /* * This file defines an NDK API. * Do not remove methods. * Do not change method signatures. * Do not change the value of constants. * Do not change the size of any of the classes defined in here. * Do not reference types that are not part of the NDK. * Do not #include files that aren't part of the NDK. */ #ifndef _NDK_MEDIA_DATASOURCE_H #define _NDK_MEDIA_DATASOURCE_H #include <sys/cdefs.h> #include <sys/types.h> #include <media/NdkMediaError.h> __BEGIN_DECLS struct AMediaDataSource; typedef struct AMediaDataSource AMediaDataSource; #if __ANDROID_API__ >= 28 /* * AMediaDataSource's callbacks will be invoked on an implementation-defined thread * or thread pool. No guarantees are provided about which thread(s) will be used for * callbacks. However, it is guaranteed that AMediaDataSource's callbacks will only * ever be invoked by a single thread at a time. * * There will be a thread synchronization point between each call to ensure that * modifications to the state of your AMediaDataSource are visible to future * calls. This means you don't need to do your own synchronization unless you're * modifying the AMediaDataSource from another thread while it's being used by the * framework. */ /** * Called to request data from the given |offset|. * * Implementations should should write up to |size| bytes into * |buffer|, and return the number of bytes written. * * Return 0 if size is zero (thus no bytes are read). * * Return -1 to indicate that end of stream is reached. */ typedef ssize_t (*AMediaDataSourceReadAt)( void *userdata, off64_t offset, void * buffer, size_t size); /** * Called to get the size of the data source. * * Return the size of data source in bytes, or -1 if the size is unknown. */ typedef ssize_t (*AMediaDataSourceGetSize)(void *userdata); /** * Create new media data source. Returns NULL if memory allocation * for the new data source object fails. */ AMediaDataSource* AMediaDataSource_new(); /** * Delete a previously created media data source. */ void AMediaDataSource_delete(AMediaDataSource*); /** * Set an user provided opaque handle. This opaque handle is passed as * the first argument to the data source callbacks. */ void AMediaDataSource_setUserdata( AMediaDataSource*, void *userdata); /** * Set a custom callback for supplying random access media data to the * NDK media framework. * * Implement this if your app has special requirements for the way media * data is obtained, or if you need a callback when data is read by the * NDK media framework. * * Please refer to the definition of AMediaDataSourceReadAt for * additional details. */ void AMediaDataSource_setReadAt( AMediaDataSource*, AMediaDataSourceReadAt); /** * Set a custom callback for supplying the size of the data source to the * NDK media framework. * * Please refer to the definition of AMediaDataSourceGetSize for * additional details. */ void AMediaDataSource_setGetSize( AMediaDataSource*, AMediaDataSourceGetSize); #endif /*__ANDROID_API__ >= 28 */ __END_DECLS #endif // _NDK_MEDIA_DATASOURCE_H Loading
media/ndk/Android.bp +1 −0 Original line number Diff line number Diff line Loading @@ -37,6 +37,7 @@ cc_library_shared { srcs: [ "NdkMediaCodec.cpp", "NdkMediaCrypto.cpp", "NdkMediaDataSource.cpp", "NdkMediaExtractor.cpp", "NdkMediaFormat.cpp", "NdkMediaMuxer.cpp", Loading
media/ndk/NdkMediaDataSource.cpp 0 → 100644 +115 −0 Original line number Diff line number Diff line /* * Copyright (C) 2018 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 "NdkMediaDataSource" #include "NdkMediaDataSourcePriv.h" #include <inttypes.h> #include <jni.h> #include <unistd.h> #include <binder/IServiceManager.h> #include <cutils/properties.h> #include <utils/Log.h> #include <utils/StrongPointer.h> #include <media/NdkMediaError.h> #include <media/NdkMediaDataSource.h> #include <media/stagefright/InterfaceUtils.h> #include "../../libstagefright/include/HTTPBase.h" #include "../../libstagefright/include/NuCachedSource2.h" using namespace android; struct AMediaDataSource { void *userdata; AMediaDataSourceReadAt readAt; AMediaDataSourceGetSize getSize; }; NdkDataSource::NdkDataSource(AMediaDataSource *dataSource) : mDataSource(dataSource) { } status_t NdkDataSource::initCheck() const { return OK; } ssize_t NdkDataSource::readAt(off64_t offset, void *data, size_t size) { Mutex::Autolock l(mLock); if (mDataSource->getSize == NULL || mDataSource->userdata == NULL) { return -1; } return mDataSource->readAt(mDataSource->userdata, offset, data, size); } status_t NdkDataSource::getSize(off64_t *size) { Mutex::Autolock l(mLock); if (mDataSource->getSize == NULL || mDataSource->userdata == NULL) { return NO_INIT; } if (size != NULL) { *size = mDataSource->getSize(mDataSource->userdata); } return OK; } String8 NdkDataSource::toString() { return String8::format("NdkDataSource(pid %d, uid %d)", getpid(), getuid()); } String8 NdkDataSource::getMIMEType() const { return String8("application/octet-stream"); } extern "C" { EXPORT AMediaDataSource* AMediaDataSource_new() { AMediaDataSource *mSource = new AMediaDataSource(); mSource->userdata = NULL; mSource->readAt = NULL; mSource->getSize = NULL; return mSource; } EXPORT void AMediaDataSource_delete(AMediaDataSource *mSource) { ALOGV("dtor"); if (mSource != NULL) { delete mSource; } } EXPORT void AMediaDataSource_setUserdata(AMediaDataSource *mSource, void *userdata) { mSource->userdata = userdata; } EXPORT void AMediaDataSource_setReadAt(AMediaDataSource *mSource, AMediaDataSourceReadAt readAt) { mSource->readAt = readAt; } EXPORT void AMediaDataSource_setGetSize(AMediaDataSource *mSource, AMediaDataSourceGetSize getSize) { mSource->getSize = getSize; } } // extern "C"
media/ndk/NdkMediaDataSourcePriv.h 0 → 100644 +59 −0 Original line number Diff line number Diff line /* * Copyright (C) 2018 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. */ /* * This file defines an NDK API. * Do not remove methods. * Do not change method signatures. * Do not change the value of constants. * Do not change the size of any of the classes defined in here. * Do not reference types that are not part of the NDK. * Do not #include files that aren't part of the NDK. */ #ifndef _NDK_MEDIA_DATASOURCE_PRIV_H #define _NDK_MEDIA_DATASOURCE_PRIV_H #include <sys/cdefs.h> #include <sys/types.h> #include <media/DataSource.h> #include <media/NdkMediaDataSource.h> #include <utils/Mutex.h> #include <utils/String8.h> using namespace android; struct NdkDataSource : public DataSource { NdkDataSource(AMediaDataSource *); virtual status_t initCheck() const; virtual ssize_t readAt(off64_t offset, void *data, size_t size); virtual status_t getSize(off64_t *); virtual String8 toString(); virtual String8 getMIMEType() const; private: Mutex mLock; AMediaDataSource *mDataSource; }; #endif // _NDK_MEDIA_DATASOURCE_PRIV_H
media/ndk/NdkMediaExtractor.cpp +6 −0 Original line number Diff line number Diff line Loading @@ -20,6 +20,7 @@ #include <media/NdkMediaError.h> #include <media/NdkMediaExtractor.h> #include "NdkMediaDataSourcePriv.h" #include "NdkMediaFormatPriv.h" Loading Loading @@ -120,6 +121,11 @@ media_status_t AMediaExtractor_setDataSource(AMediaExtractor *mData, const char return translate_error(err); } EXPORT media_status_t AMediaExtractor_setDataSourceCustom(AMediaExtractor* mData, AMediaDataSource *src) { return translate_error(mData->mImpl->setDataSource(new NdkDataSource(src))); } EXPORT size_t AMediaExtractor_getTrackCount(AMediaExtractor *mData) { return mData->mImpl->countTracks(); Loading
media/ndk/include/media/NdkMediaDataSource.h 0 → 100644 +124 −0 Original line number Diff line number Diff line /* * Copyright (C) 2018 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. */ /* * This file defines an NDK API. * Do not remove methods. * Do not change method signatures. * Do not change the value of constants. * Do not change the size of any of the classes defined in here. * Do not reference types that are not part of the NDK. * Do not #include files that aren't part of the NDK. */ #ifndef _NDK_MEDIA_DATASOURCE_H #define _NDK_MEDIA_DATASOURCE_H #include <sys/cdefs.h> #include <sys/types.h> #include <media/NdkMediaError.h> __BEGIN_DECLS struct AMediaDataSource; typedef struct AMediaDataSource AMediaDataSource; #if __ANDROID_API__ >= 28 /* * AMediaDataSource's callbacks will be invoked on an implementation-defined thread * or thread pool. No guarantees are provided about which thread(s) will be used for * callbacks. However, it is guaranteed that AMediaDataSource's callbacks will only * ever be invoked by a single thread at a time. * * There will be a thread synchronization point between each call to ensure that * modifications to the state of your AMediaDataSource are visible to future * calls. This means you don't need to do your own synchronization unless you're * modifying the AMediaDataSource from another thread while it's being used by the * framework. */ /** * Called to request data from the given |offset|. * * Implementations should should write up to |size| bytes into * |buffer|, and return the number of bytes written. * * Return 0 if size is zero (thus no bytes are read). * * Return -1 to indicate that end of stream is reached. */ typedef ssize_t (*AMediaDataSourceReadAt)( void *userdata, off64_t offset, void * buffer, size_t size); /** * Called to get the size of the data source. * * Return the size of data source in bytes, or -1 if the size is unknown. */ typedef ssize_t (*AMediaDataSourceGetSize)(void *userdata); /** * Create new media data source. Returns NULL if memory allocation * for the new data source object fails. */ AMediaDataSource* AMediaDataSource_new(); /** * Delete a previously created media data source. */ void AMediaDataSource_delete(AMediaDataSource*); /** * Set an user provided opaque handle. This opaque handle is passed as * the first argument to the data source callbacks. */ void AMediaDataSource_setUserdata( AMediaDataSource*, void *userdata); /** * Set a custom callback for supplying random access media data to the * NDK media framework. * * Implement this if your app has special requirements for the way media * data is obtained, or if you need a callback when data is read by the * NDK media framework. * * Please refer to the definition of AMediaDataSourceReadAt for * additional details. */ void AMediaDataSource_setReadAt( AMediaDataSource*, AMediaDataSourceReadAt); /** * Set a custom callback for supplying the size of the data source to the * NDK media framework. * * Please refer to the definition of AMediaDataSourceGetSize for * additional details. */ void AMediaDataSource_setGetSize( AMediaDataSource*, AMediaDataSourceGetSize); #endif /*__ANDROID_API__ >= 28 */ __END_DECLS #endif // _NDK_MEDIA_DATASOURCE_H
