static jobject movie_decodeAsset(JNIEnv* env, jobject clazz, jlong native_asset) {
android::Asset* asset = reinterpret_cast<android::Asset*>(native_asset);
if (asset == NULL) return NULL;
SkAutoTUnref<SkStreamRewindable> stream (new android::AssetStreamAdaptor(asset));
SkMovie* moov = SkMovie::DecodeStream(stream.get());
return create_jmovie(env, moov);
}
static jobject movie_decodeStream(JNIEnv* env, jobject clazz, jobject istream) {
NPE_CHECK_RETURN_ZERO(env, istream);
// what is the lifetime of the array? Can the skstream hold onto it?
jbyteArray byteArray = env->NewByteArray(16*1024);
SkStream* strm = CreateJavaInputStreamAdaptor(env, istream, byteArray);
if (NULL == strm) {
return 0;
}
SkMovie* moov = SkMovie::DecodeStream(strm);
strm->unref();
return create_jmovie(env, moov);
}
static jobject movie_decodeByteArray(JNIEnv* env, jobject clazz,
jbyteArray byteArray,
jint offset, jint length) {
NPE_CHECK_RETURN_ZERO(env, byteArray);
int totalLength = env->GetArrayLength(byteArray);
if ((offset | length) < 0 || offset + length > totalLength) {
doThrowAIOOBE(env);
return 0;
}
AutoJavaByteArray ar(env, byteArray);
SkMovie* moov = SkMovie::DecodeMemory(ar.ptr() + offset, length);
return create_jmovie(env, moov);
}
static jobject movie_decodeStream(JNIEnv* env,jobject movie,jobject jstream){
// LOGI("movie_decodeStream");
// GifFileType* gifFileType = NULL;
// openStream(gifType,env,jstream);
// GifMovie* moov = new GifMovie(gifType);
// if(gifType==NULL){
// LOGI("moov is null");
// }else{
// LOGI("moov is not null");
// }
jbyteArray byteArray = env->NewByteArray(16*1024);
GifJavaInputStreamAdaptor* strm = GifJavaInputStreamAdaptor::CreateGifJavaInputStreamAdaptor(env, jstream, byteArray);
if (NULL == strm) {
return 0;
}
GifMovie* moov = new GifMovie(strm);
delete strm;
return create_jmovie(env, moov);
}
static jobject movie_decodeStream(JNIEnv* env, jobject clazz, jobject istream) {
NPE_CHECK_RETURN_ZERO(env, istream);
jbyteArray byteArray = env->NewByteArray(16*1024);
ScopedLocalRef<jbyteArray> scoper(env, byteArray);
SkStream* strm = CreateJavaInputStreamAdaptor(env, istream, byteArray);
if (NULL == strm) {
return 0;
}
// Need to buffer enough input to be able to rewind as much as might be read by a decoder
// trying to determine the stream's format. The only decoder for movies is GIF, which
// will only read 6.
// FIXME: Get this number from SkImageDecoder
SkAutoTUnref<SkStreamRewindable> bufferedStream(SkFrontBufferedStream::Create(strm, 6));
SkASSERT(bufferedStream.get() != NULL);
SkMovie* moov = SkMovie::DecodeStream(bufferedStream);
strm->unref();
return create_jmovie(env, moov);
}
static jobject movie_decodeFile(JNIEnv* env,jobject movie,jstring jpath){
char* path = jstringtochar(env,jpath);
GifMovie* moov = new GifMovie(path);
return create_jmovie(env, moov);
}
