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Update: jni method of media retriever

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pull/209/head
xufulong 3 years ago
parent a8b1c59365
commit cc0eb0a8f3
1 changed files with 14 additions and 15 deletions
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  1. 29
      app/src/main/cpp/metadata/media_retriever_jni.cpp

29
app/src/main/cpp/metadata/media_retriever_jni.cpp
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@ -18,8 +18,7 @@ struct fields_t {
}; };
static fields_t fields; static fields_t fields;
static ANativeWindow* theNativeWindow; static const char* mClassName = "com/frank/ffmpeg/metadata/FFmpegMediaRetriever";
static const char* kClassPathName = "com/frank/ffmpeg/metadata/FFmpegMediaRetriever";
static jstring NewStringUTF(JNIEnv* env, const char* data) { static jstring NewStringUTF(JNIEnv* env, const char* data) {
jstring str = nullptr; jstring str = nullptr;
@ -78,15 +77,15 @@ static void setRetriever(JNIEnv* env, jobject thiz, long retriever)
env->SetLongField(thiz, fields.context, retriever); env->SetLongField(thiz, fields.context, retriever);
} }
RETRIEVER_FUNC(void, native_setup) RETRIEVER_FUNC(void, native_1setup)
{ {
auto* retriever = new MediaRetriever(); auto* retriever = new MediaRetriever();
setRetriever(env, thiz, (long)retriever); setRetriever(env, thiz, (long)retriever);
} }
RETRIEVER_FUNC(void, native_init) RETRIEVER_FUNC(void, native_1init)
{ {
jclass clazz = env->FindClass(kClassPathName); jclass clazz = env->FindClass(mClassName);
if (!clazz) { if (!clazz) {
return; return;
} }
@ -100,7 +99,7 @@ RETRIEVER_FUNC(void, native_init)
avformat_network_init(); avformat_network_init();
} }
RETRIEVER_FUNC(void, native_set_dataSource, jstring path) { RETRIEVER_FUNC(void, native_1setDataSource, jstring path) {
MediaRetriever* retriever = getRetriever(env, thiz); MediaRetriever* retriever = getRetriever(env, thiz);
if (retriever == nullptr) { if (retriever == nullptr) {
jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
@ -138,7 +137,7 @@ static int getFileDescriptor(JNIEnv * env, jobject fileDescriptor) {
return fd; return fd;
} }
RETRIEVER_FUNC(void, native_set_dataSourceFD, jobject fileDescriptor, jlong offset, jlong length) RETRIEVER_FUNC(void, native_1setDataSourceFD, jobject fileDescriptor, jlong offset, jlong length)
{ {
if (offset < 0 || length < 0) { if (offset < 0 || length < 0) {
return; return;
@ -162,20 +161,20 @@ RETRIEVER_FUNC(void, native_set_dataSourceFD, jobject fileDescriptor, jlong offs
"java/lang/RuntimeException", "setDataSource failed"); "java/lang/RuntimeException", "setDataSource failed");
} }
RETRIEVER_FUNC(void, native_set_surface, jobject surface) RETRIEVER_FUNC(void, native_1setSurface, jobject surface)
{ {
MediaRetriever* retriever = getRetriever(env, thiz); MediaRetriever* retriever = getRetriever(env, thiz);
if (retriever == nullptr) { if (retriever == nullptr) {
jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
return; return;
} }
theNativeWindow = ANativeWindow_fromSurface(env, surface); ANativeWindow *mNativeWindow = ANativeWindow_fromSurface(env, surface);
if (theNativeWindow != nullptr) { if (mNativeWindow != nullptr) {
retriever->setNativeWindow(theNativeWindow); retriever->setNativeWindow(mNativeWindow);
} }
} }
RETRIEVER_FUNC(jobject, native_extract_metadata, jstring jkey) RETRIEVER_FUNC(jobject, native_1extractMetadata, jstring jkey)
{ {
MediaRetriever* retriever = getRetriever(env, thiz); MediaRetriever* retriever = getRetriever(env, thiz);
if (retriever == nullptr) { if (retriever == nullptr) {
@ -198,7 +197,7 @@ RETRIEVER_FUNC(jobject, native_extract_metadata, jstring jkey)
return NewStringUTF(env, value); return NewStringUTF(env, value);
} }
RETRIEVER_FUNC(jbyteArray, native_get_frameAtTime, jlong timeUs, jint option) RETRIEVER_FUNC(jbyteArray, native_1getFrameAtTime, jlong timeUs, jint option)
{ {
MediaRetriever* retriever = getRetriever(env, thiz); MediaRetriever* retriever = getRetriever(env, thiz);
if (retriever == nullptr) { if (retriever == nullptr) {
@ -230,7 +229,7 @@ RETRIEVER_FUNC(jbyteArray, native_get_frameAtTime, jlong timeUs, jint option)
return array; return array;
} }
RETRIEVER_FUNC(jbyteArray, native_get_scaleFrameAtTime, jlong timeUs, jint option, jint width, jint height) RETRIEVER_FUNC(jbyteArray, native_1getScaleFrameAtTime, jlong timeUs, jint option, jint width, jint height)
{ {
MediaRetriever* retriever = getRetriever(env, thiz); MediaRetriever* retriever = getRetriever(env, thiz);
if (retriever == nullptr) { if (retriever == nullptr) {
@ -262,7 +261,7 @@ RETRIEVER_FUNC(jbyteArray, native_get_scaleFrameAtTime, jlong timeUs, jint optio
return array; return array;
} }
RETRIEVER_FUNC(void, native_release) RETRIEVER_FUNC(void, native_1release)
{ {
MediaRetriever* retriever = getRetriever(env, thiz); MediaRetriever* retriever = getRetriever(env, thiz);
delete retriever; delete retriever;

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