JNIEXPORT jint Java_ryulib_VideoZip_VPX_DecodeBitmap(JNIEnv* env,
jclass clazz, jint handle, jobject bitmap, jbyteArray buffer, jint bufferSize)
{
int result = 0;
RyuVPX *pHandle = (RyuVPX *) handle;
jbyte *pByteBuffer = (*env)->GetByteArrayElements(env, buffer, 0);
unsigned char *pFrame = (unsigned char *) pByteBuffer;
int *pFrameSize;
int frameSize = 0;
int count = 0;
vpx_image_t *img;
vpx_codec_iter_t iter;
while (count < bufferSize) {
pFrameSize = (int *) pFrame;
frameSize = *pFrameSize;
pFrame = pFrame + sizeof(int);
if (vpx_codec_decode(&pHandle->codec, (unsigned char*) pFrame, frameSize, NULL, 0)) {
goto EXIT;
}
pFrame = pFrame + frameSize;
count = count + sizeof(int) + frameSize;
iter = NULL;
while((img = vpx_codec_get_frame(&pHandle->codec, &iter))) {
void *pixelBitmap;
if (AndroidBitmap_lockPixels(env, bitmap, &pixelBitmap) >= 0) {
I420ToARGB(
(unsigned char *) img->planes[0], img->stride[0],
(unsigned char *) img->planes[1], img->stride[1],
(unsigned char *) img->planes[2], img->stride[2],
(unsigned char *) pixelBitmap,
img->d_w * _PixelSize,
img->d_w, img->d_h
);
AndroidBitmap_unlockPixels(env, bitmap);
}
result = 1;
}
}
EXIT:
(*env)->ReleaseByteArrayElements(env, buffer, pByteBuffer, 0);
return result;
}
void decodeBGRX(struct Theoraplayer_PixelTransform* t)
{
I420ToARGB(t->y, t->yStride, t->u, t->uStride, t->v, t->vStride, t->out, t->w * 4, t->w, t->h);
}
void decodeBGRA(struct Theoraplayer_PixelTransform* t)
{
I420ToARGB(t->y, t->yStride, t->u, t->uStride, t->v, t->vStride, t->out, t->w * 4, t->w, t->h);
_decodeAlpha(incOut(t, 3), t->w * 4);
}