| /* |
| * 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 "MediaSync-JNI" |
| #include <utils/Log.h> |
| |
| #include "android_media_MediaSync.h" |
| |
| #include "android_media_AudioTrack.h" |
| #include "android_runtime/AndroidRuntime.h" |
| #include "android_runtime/android_view_Surface.h" |
| #include "jni.h" |
| #include "JNIHelp.h" |
| |
| #include <gui/Surface.h> |
| |
| #include <media/AudioTrack.h> |
| #include <media/stagefright/MediaClock.h> |
| #include <media/stagefright/MediaSync.h> |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/foundation/AString.h> |
| |
| #include <nativehelper/ScopedLocalRef.h> |
| |
| namespace android { |
| |
| struct fields_t { |
| jfieldID context; |
| jfieldID mediaTimestampMediaTimeUsID; |
| jfieldID mediaTimestampNanoTimeID; |
| jfieldID mediaTimestampClockRateID; |
| }; |
| |
| static fields_t gFields; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| JMediaSync::JMediaSync() { |
| mSync = MediaSync::create(); |
| } |
| |
| JMediaSync::~JMediaSync() { |
| } |
| |
| status_t JMediaSync::configureSurface(const sp<IGraphicBufferProducer> &bufferProducer) { |
| return mSync->configureSurface(bufferProducer); |
| } |
| |
| status_t JMediaSync::configureAudioTrack( |
| const sp<AudioTrack> &audioTrack, |
| int32_t nativeSampleRateInHz) { |
| return mSync->configureAudioTrack(audioTrack, nativeSampleRateInHz); |
| } |
| |
| status_t JMediaSync::createInputSurface( |
| sp<IGraphicBufferProducer>* bufferProducer) { |
| return mSync->createInputSurface(bufferProducer); |
| } |
| |
| status_t JMediaSync::setPlaybackRate(float rate) { |
| return mSync->setPlaybackRate(rate); |
| } |
| |
| sp<const MediaClock> JMediaSync::getMediaClock() { |
| return mSync->getMediaClock(); |
| } |
| |
| status_t JMediaSync::updateQueuedAudioData( |
| int sizeInBytes, int64_t presentationTimeUs) { |
| return mSync->updateQueuedAudioData(sizeInBytes, presentationTimeUs); |
| } |
| |
| } // namespace android |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| using namespace android; |
| |
| static sp<JMediaSync> setMediaSync(JNIEnv *env, jobject thiz, const sp<JMediaSync> &sync) { |
| sp<JMediaSync> old = (JMediaSync *)env->GetLongField(thiz, gFields.context); |
| if (sync != NULL) { |
| sync->incStrong(thiz); |
| } |
| if (old != NULL) { |
| old->decStrong(thiz); |
| } |
| |
| env->SetLongField(thiz, gFields.context, (jlong)sync.get()); |
| |
| return old; |
| } |
| |
| static sp<JMediaSync> getMediaSync(JNIEnv *env, jobject thiz) { |
| return (JMediaSync *)env->GetLongField(thiz, gFields.context); |
| } |
| |
| static void android_media_MediaSync_release(JNIEnv *env, jobject thiz) { |
| setMediaSync(env, thiz, NULL); |
| } |
| |
| static void throwExceptionAsNecessary( |
| JNIEnv *env, status_t err, const char *msg = NULL) { |
| switch (err) { |
| case NO_ERROR: |
| break; |
| |
| case BAD_VALUE: |
| jniThrowException(env, "java/lang/IllegalArgumentException", msg); |
| break; |
| |
| case NO_INIT: |
| case INVALID_OPERATION: |
| default: |
| if (err > 0) { |
| break; |
| } |
| AString msgWithErrorCode(msg); |
| msgWithErrorCode.append(" error:"); |
| msgWithErrorCode.append(err); |
| jniThrowException(env, "java/lang/IllegalStateException", msgWithErrorCode.c_str()); |
| break; |
| } |
| } |
| |
| static void android_media_MediaSync_native_configureSurface( |
| JNIEnv *env, jobject thiz, jobject jsurface) { |
| ALOGV("android_media_MediaSync_configureSurface"); |
| |
| sp<JMediaSync> sync = getMediaSync(env, thiz); |
| if (sync == NULL) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return; |
| } |
| |
| sp<IGraphicBufferProducer> bufferProducer; |
| if (jsurface != NULL) { |
| sp<Surface> surface(android_view_Surface_getSurface(env, jsurface)); |
| if (surface != NULL) { |
| bufferProducer = surface->getIGraphicBufferProducer(); |
| } else { |
| throwExceptionAsNecessary(env, BAD_VALUE, "The surface has been released"); |
| return; |
| } |
| } |
| |
| status_t err = sync->configureSurface(bufferProducer); |
| |
| if (err == INVALID_OPERATION) { |
| throwExceptionAsNecessary( |
| env, INVALID_OPERATION, "Surface has already been configured"); |
| } if (err != NO_ERROR) { |
| AString msg("Failed to connect to surface with error "); |
| msg.append(err); |
| throwExceptionAsNecessary(env, BAD_VALUE, msg.c_str()); |
| } |
| } |
| |
| static void android_media_MediaSync_native_configureAudioTrack( |
| JNIEnv *env, jobject thiz, jobject jaudioTrack, jint nativeSampleRateInHz) { |
| ALOGV("android_media_MediaSync_configureAudioTrack"); |
| |
| sp<JMediaSync> sync = getMediaSync(env, thiz); |
| if (sync == NULL) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return; |
| } |
| |
| sp<AudioTrack> audioTrack; |
| if (jaudioTrack != NULL) { |
| audioTrack = android_media_AudioTrack_getAudioTrack(env, jaudioTrack); |
| if (audioTrack == NULL) { |
| throwExceptionAsNecessary(env, BAD_VALUE, "The audio track has been released"); |
| return; |
| } |
| } |
| |
| status_t err = sync->configureAudioTrack(audioTrack, nativeSampleRateInHz); |
| |
| if (err == INVALID_OPERATION) { |
| throwExceptionAsNecessary( |
| env, INVALID_OPERATION, "Audio track has already been configured"); |
| } if (err != NO_ERROR) { |
| AString msg("Failed to configure audio track with error "); |
| msg.append(err); |
| throwExceptionAsNecessary(env, BAD_VALUE, msg.c_str()); |
| } |
| } |
| |
| static jobject android_media_MediaSync_createInputSurface( |
| JNIEnv* env, jobject thiz) { |
| ALOGV("android_media_MediaSync_createInputSurface"); |
| |
| sp<JMediaSync> sync = getMediaSync(env, thiz); |
| if (sync == NULL) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return NULL; |
| } |
| |
| // Tell the MediaSync that we want to use a Surface as input. |
| sp<IGraphicBufferProducer> bufferProducer; |
| status_t err = sync->createInputSurface(&bufferProducer); |
| if (err != NO_ERROR) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return NULL; |
| } |
| |
| // Wrap the IGBP in a Java-language Surface. |
| return android_view_Surface_createFromIGraphicBufferProducer(env, |
| bufferProducer); |
| } |
| |
| static void android_media_MediaSync_native_updateQueuedAudioData( |
| JNIEnv *env, jobject thiz, jint sizeInBytes, jlong presentationTimeUs) { |
| sp<JMediaSync> sync = getMediaSync(env, thiz); |
| if (sync == NULL) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return; |
| } |
| |
| status_t err = sync->updateQueuedAudioData(sizeInBytes, presentationTimeUs); |
| if (err != NO_ERROR) { |
| throwExceptionAsNecessary(env, err); |
| return; |
| } |
| } |
| |
| static jboolean android_media_MediaSync_native_getTimestamp( |
| JNIEnv *env, jobject thiz, jobject timestamp) { |
| sp<JMediaSync> sync = getMediaSync(env, thiz); |
| if (sync == NULL) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return JNI_FALSE; |
| } |
| |
| sp<const MediaClock> mediaClock = sync->getMediaClock(); |
| if (mediaClock == NULL) { |
| return JNI_FALSE; |
| } |
| |
| int64_t nowUs = ALooper::GetNowUs(); |
| int64_t mediaUs = 0; |
| if (mediaClock->getMediaTime(nowUs, &mediaUs) != OK) { |
| return JNI_FALSE; |
| } |
| |
| env->SetLongField(timestamp, gFields.mediaTimestampMediaTimeUsID, |
| (jlong)mediaUs); |
| env->SetLongField(timestamp, gFields.mediaTimestampNanoTimeID, |
| (jlong)(nowUs * 1000)); |
| env->SetFloatField(timestamp, gFields.mediaTimestampClockRateID, |
| (jfloat)mediaClock->getPlaybackRate()); |
| return JNI_TRUE; |
| } |
| |
| static void android_media_MediaSync_native_init(JNIEnv *env) { |
| ScopedLocalRef<jclass> clazz(env, env->FindClass("android/media/MediaSync")); |
| CHECK(clazz.get() != NULL); |
| |
| gFields.context = env->GetFieldID(clazz.get(), "mNativeContext", "J"); |
| CHECK(gFields.context != NULL); |
| |
| clazz.reset(env->FindClass("android/media/MediaTimestamp")); |
| CHECK(clazz.get() != NULL); |
| |
| gFields.mediaTimestampMediaTimeUsID = |
| env->GetFieldID(clazz.get(), "mediaTimeUs", "J"); |
| CHECK(gFields.mediaTimestampMediaTimeUsID != NULL); |
| |
| gFields.mediaTimestampNanoTimeID = |
| env->GetFieldID(clazz.get(), "nanoTime", "J"); |
| CHECK(gFields.mediaTimestampNanoTimeID != NULL); |
| |
| gFields.mediaTimestampClockRateID = |
| env->GetFieldID(clazz.get(), "clockRate", "F"); |
| CHECK(gFields.mediaTimestampClockRateID != NULL); |
| } |
| |
| static void android_media_MediaSync_native_setup(JNIEnv *env, jobject thiz) { |
| sp<JMediaSync> sync = new JMediaSync(); |
| |
| setMediaSync(env, thiz, sync); |
| } |
| |
| static void android_media_MediaSync_native_setPlaybackRate( |
| JNIEnv *env, jobject thiz, jfloat rate) { |
| sp<JMediaSync> sync = getMediaSync(env, thiz); |
| if (sync == NULL) { |
| throwExceptionAsNecessary(env, INVALID_OPERATION); |
| return; |
| } |
| |
| status_t err = sync->setPlaybackRate(rate); |
| if (err != NO_ERROR) { |
| throwExceptionAsNecessary(env, err); |
| return; |
| } |
| } |
| |
| static void android_media_MediaSync_native_finalize(JNIEnv *env, jobject thiz) { |
| android_media_MediaSync_release(env, thiz); |
| } |
| |
| static JNINativeMethod gMethods[] = { |
| { "native_configureSurface", |
| "(Landroid/view/Surface;)V", |
| (void *)android_media_MediaSync_native_configureSurface }, |
| |
| { "native_configureAudioTrack", |
| "(Landroid/media/AudioTrack;I)V", |
| (void *)android_media_MediaSync_native_configureAudioTrack }, |
| |
| { "createInputSurface", "()Landroid/view/Surface;", |
| (void *)android_media_MediaSync_createInputSurface }, |
| |
| { "native_updateQueuedAudioData", |
| "(IJ)V", |
| (void *)android_media_MediaSync_native_updateQueuedAudioData }, |
| |
| { "native_getTimestamp", |
| "(Landroid/media/MediaTimestamp;)Z", |
| (void *)android_media_MediaSync_native_getTimestamp }, |
| |
| { "native_init", "()V", (void *)android_media_MediaSync_native_init }, |
| |
| { "native_setup", "()V", (void *)android_media_MediaSync_native_setup }, |
| |
| { "native_release", "()V", (void *)android_media_MediaSync_release }, |
| |
| { "native_setPlaybackRate", "(F)V", (void *)android_media_MediaSync_native_setPlaybackRate }, |
| |
| { "native_finalize", "()V", (void *)android_media_MediaSync_native_finalize }, |
| }; |
| |
| int register_android_media_MediaSync(JNIEnv *env) { |
| return AndroidRuntime::registerNativeMethods( |
| env, "android/media/MediaSync", gMethods, NELEM(gMethods)); |
| } |