status_t CameraHardwareInterfaceFlashControl::initializePreviewWindow(
sp<CameraHardwareInterface> device, int32_t width, int32_t height) {
status_t res;
BufferQueue::createBufferQueue(&mProducer, &mConsumer);
mSurfaceTexture = new GLConsumer(mConsumer, 0, GLConsumer::TEXTURE_EXTERNAL,
true, true);
if (mSurfaceTexture == NULL) {
return NO_MEMORY;
}
int32_t format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
res = mSurfaceTexture->setDefaultBufferSize(width, height);
if (res) {
return res;
}
res = mSurfaceTexture->setDefaultBufferFormat(format);
if (res) {
return res;
}
mSurface = new Surface(mProducer, /*useAsync*/ true);
if (mSurface == NULL) {
return NO_MEMORY;
}
res = native_window_api_connect(mSurface.get(), NATIVE_WINDOW_API_CAMERA);
if (res) {
ALOGE("%s: Unable to connect to native window", __FUNCTION__);
return res;
}
return device->setPreviewWindow(mSurface);
}
int PreviewRenderer::init() {
int err = 0;
ANativeWindow* anw = mSurface.get();
err = native_window_api_connect(anw, NATIVE_WINDOW_API_CPU);
if (err) goto fail;
err = native_window_set_usage(
anw, GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN);
if (err) goto fail;
err = native_window_set_buffer_count(anw, 3);
if (err) goto fail;
err = native_window_set_scaling_mode(
anw, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
if (err) goto fail;
err = native_window_set_buffers_geometry(
anw, mWidth, mHeight, HAL_PIXEL_FORMAT_YV12);
if (err) goto fail;
err = native_window_set_buffers_transform(anw, 0);
if (err) goto fail;
fail:
return err;
}
EGLSurface EglWindowSurfaceImpl::Create(EGLDisplay dpy, EGLConfig cfg,
ANativeWindow* window,
EGLint* out_error) {
LOG_ALWAYS_FATAL_IF(out_error == NULL);
*out_error = EGL_SUCCESS;
EGLint format = 0;
EGLint sfc_type = 0;
EglDisplayImpl* display = EglDisplayImpl::GetDisplay(dpy);
if (!display->GetConfigAttribute(cfg, EGL_NATIVE_VISUAL_ID, &format)) {
ALOGE("Unable to get native visual format.");
*out_error = EGL_BAD_ALLOC;
return EGL_NO_SURFACE;
} else if (!display->GetConfigAttribute(cfg, EGL_SURFACE_TYPE, &sfc_type)) {
ALOGE("Unable to get surface type.");
*out_error = EGL_BAD_ALLOC;
return EGL_NO_SURFACE;
} else if (!(sfc_type & EGL_WINDOW_BIT)) {
ALOGE("Must support EGL_WINDOW_BIT surface types.");
*out_error = EGL_BAD_ALLOC;
return EGL_NO_SURFACE;
} else if (!window) {
ALOGE("No native window provided.");
*out_error = EGL_BAD_ALLOC;
return EGL_NO_SURFACE;
} else if (window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
ALOGE("Invalid native window.");
*out_error = EGL_BAD_ALLOC;
return EGL_NO_SURFACE;
} else if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) !=
android::OK) {
ALOGE("Could not connect to native window.");
*out_error = EGL_BAD_ALLOC;
return EGL_NO_SURFACE;
}
int width = 0;
window->query(window, NATIVE_WINDOW_WIDTH, &width);
int height = 0;
window->query(window, NATIVE_WINDOW_HEIGHT, &height);
if (format != 0) {
native_window_set_buffers_format(window, format);
}
window->setSwapInterval(window, 1);
SurfacePtr s(new EglWindowSurfaceImpl(dpy, cfg, sfc_type, width, height,
window));
if (s == NULL) {
native_window_set_buffers_format(window, 0);
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
*out_error = EGL_BAD_ALLOC;
return EGL_NO_DISPLAY;
}
return display->GetSurfaces().Register(s);
}
status_t CameraClient::setPreviewWindow(const sp<IBinder>& binder,
const sp<ANativeWindow>& window) {
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
// return if no change in surface.
if (binder == mSurface) {
return NO_ERROR;
}
if (window != 0) {
result = native_window_api_connect(window.get(), NATIVE_WINDOW_API_CAMERA);
if (result != NO_ERROR) {
ALOGE("native_window_api_connect failed: %s (%d)", strerror(-result),
result);
return result;
}
}
// If preview has been already started, register preview buffers now.
if (mHardware->previewEnabled()) {
if (window != 0) {
native_window_set_scaling_mode(window.get(),
NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
native_window_set_buffers_transform(window.get(), mOrientation);
result = mHardware->setPreviewWindow(window);
}
#ifdef QCOM_HARDWARE
#ifndef NO_UPDATE_PREVIEW
} else {
if (window != 0) {
native_window_set_buffers_transform(window.get(), mOrientation);
}
result = mHardware->setPreviewWindow(window);
#endif
#endif
}
if (result == NO_ERROR) {
// Everything has succeeded. Disconnect the old window and remember the
// new window.
disconnectWindow(mPreviewWindow);
mSurface = binder;
mPreviewWindow = window;
} else {
// Something went wrong after we connected to the new window, so
// disconnect here.
disconnectWindow(window);
}
return result;
}
int IOMXHWBuffer_Connect( void *window )
{
ANativeWindow *anw = (ANativeWindow *)window;
CHECK_ANW();
#if ANDROID_API >= 14
if (native_window_api_connect( anw, NATIVE_WINDOW_API_MEDIA ) != 0) {
LOGE( "native_window_api_connect FAIL" );
return -EINVAL;
}
#endif
}
void SurfaceUtils::connectAPI(int api) {
native_window_api_connect(mWindow, api);
}
status_t pushBlankBuffersToNativeWindow(ANativeWindow *nativeWindow /* nonnull */) {
status_t err = NO_ERROR;
ANativeWindowBuffer* anb = NULL;
int numBufs = 0;
int minUndequeuedBufs = 0;
// We need to reconnect to the ANativeWindow as a CPU client to ensure that
// no frames get dropped by SurfaceFlinger assuming that these are video
// frames.
err = native_window_api_disconnect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)", strerror(-err), -err);
return err;
}
err = native_window_api_connect(nativeWindow, NATIVE_WINDOW_API_CPU);
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: api_connect failed: %s (%d)", strerror(-err), -err);
(void)native_window_api_connect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
return err;
}
err = setNativeWindowSizeFormatAndUsage(
nativeWindow, 1, 1, HAL_PIXEL_FORMAT_RGBX_8888, 0, GRALLOC_USAGE_SW_WRITE_OFTEN);
if (err != NO_ERROR) {
goto error;
}
static_cast<Surface*>(nativeWindow)->getIGraphicBufferProducer()->allowAllocation(true);
err = nativeWindow->query(nativeWindow,
NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
"failed: %s (%d)", strerror(-err), -err);
goto error;
}
numBufs = minUndequeuedBufs + 1;
err = native_window_set_buffer_count(nativeWindow, numBufs);
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)", strerror(-err), -err);
goto error;
}
// We push numBufs + 1 buffers to ensure that we've drawn into the same
// buffer twice. This should guarantee that the buffer has been displayed
// on the screen and then been replaced, so an previous video frames are
// guaranteed NOT to be currently displayed.
for (int i = 0; i < numBufs + 1; i++) {
err = native_window_dequeue_buffer_and_wait(nativeWindow, &anb);
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
strerror(-err), -err);
break;
}
sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
// Fill the buffer with the a 1x1 checkerboard pattern ;)
uint32_t *img = NULL;
err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: lock failed: %s (%d)", strerror(-err), -err);
break;
}
*img = 0;
err = buf->unlock();
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: unlock failed: %s (%d)", strerror(-err), -err);
break;
}
err = nativeWindow->queueBuffer(nativeWindow, buf->getNativeBuffer(), -1);
if (err != NO_ERROR) {
ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)", strerror(-err), -err);
break;
}
anb = NULL;
}
error:
if (anb != NULL) {
nativeWindow->cancelBuffer(nativeWindow, anb, -1);
anb = NULL;
}
// Clean up after success or error.
status_t err2 = native_window_api_disconnect(nativeWindow, NATIVE_WINDOW_API_CPU);
if (err2 != NO_ERROR) {
ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)", strerror(-err2), -err2);
if (err == NO_ERROR) {
err = err2;
}
}
err2 = native_window_api_connect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
if (err2 != NO_ERROR) {
ALOGE("error pushing blank frames: api_connect failed: %s (%d)", strerror(-err), -err);
if (err == NO_ERROR) {
err = err2;
}
}
return err;
}
// This test is intended to verify that proper synchronization is done when
// rendering into an FBO.
TEST_F(SurfaceTextureFBOTest, BlitFromCpuFilledBufferToFbo) {
const int texWidth = 64;
const int texHeight = 64;
ASSERT_EQ(NO_ERROR, native_window_api_connect(mANW.get(),
NATIVE_WINDOW_API_CPU));
ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
texWidth, texHeight));
ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
HAL_PIXEL_FORMAT_RGBA_8888));
ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
android_native_buffer_t* anb;
ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
&anb));
ASSERT_TRUE(anb != NULL);
sp<GraphicBuffer> buf(GraphicBuffer::from(anb));
// Fill the buffer with green
uint8_t* img = NULL;
buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 0, 255,
0, 255);
buf->unlock();
ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
-1));
ASSERT_EQ(NO_ERROR, mST->updateTexImage());
glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
drawTexture();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
for (int i = 0; i < 4; i++) {
SCOPED_TRACE(String8::format("frame %d", i).string());
ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
&anb));
ASSERT_TRUE(anb != NULL);
buf = GraphicBuffer::from(anb);
// Fill the buffer with red
ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
(void**)(&img)));
fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 255, 0,
0, 255);
ASSERT_EQ(NO_ERROR, buf->unlock());
ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
buf->getNativeBuffer(), -1));
ASSERT_EQ(NO_ERROR, mST->updateTexImage());
drawTexture();
EXPECT_TRUE(checkPixel( 24, 39, 255, 0, 0, 255));
}
glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
EXPECT_TRUE(checkPixel( 24, 39, 0, 255, 0, 255));
}
status_t Camera3OutputStream::configureQueueLocked() {
status_t res;
mTraceFirstBuffer = true;
if ((res = Camera3IOStreamBase::configureQueueLocked()) != OK) {
return res;
}
ALOG_ASSERT(mConsumer != 0, "mConsumer should never be NULL");
// Configure consumer-side ANativeWindow interface
res = native_window_api_connect(mConsumer.get(),
NATIVE_WINDOW_API_CAMERA);
if (res != OK) {
ALOGE("%s: Unable to connect to native window for stream %d",
__FUNCTION__, mId);
return res;
}
res = native_window_set_usage(mConsumer.get(), camera3_stream::usage);
if (res != OK) {
ALOGE("%s: Unable to configure usage %08x for stream %d",
__FUNCTION__, camera3_stream::usage, mId);
return res;
}
res = native_window_set_scaling_mode(mConsumer.get(),
NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
if (res != OK) {
ALOGE("%s: Unable to configure stream scaling: %s (%d)",
__FUNCTION__, strerror(-res), res);
return res;
}
if (mMaxSize == 0) {
// For buffers of known size
res = native_window_set_buffers_dimensions(mConsumer.get(),
camera3_stream::width, camera3_stream::height);
} else {
// For buffers with bounded size
res = native_window_set_buffers_dimensions(mConsumer.get(),
mMaxSize, 1);
}
if (res != OK) {
ALOGE("%s: Unable to configure stream buffer dimensions"
" %d x %d (maxSize %zu) for stream %d",
__FUNCTION__, camera3_stream::width, camera3_stream::height,
mMaxSize, mId);
return res;
}
res = native_window_set_buffers_format(mConsumer.get(),
camera3_stream::format);
if (res != OK) {
ALOGE("%s: Unable to configure stream buffer format %#x for stream %d",
__FUNCTION__, camera3_stream::format, mId);
return res;
}
int maxConsumerBuffers;
res = mConsumer->query(mConsumer.get(),
NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &maxConsumerBuffers);
if (res != OK) {
ALOGE("%s: Unable to query consumer undequeued"
" buffer count for stream %d", __FUNCTION__, mId);
return res;
}
ALOGV("%s: Consumer wants %d buffers, HAL wants %d", __FUNCTION__,
maxConsumerBuffers, camera3_stream::max_buffers);
if (camera3_stream::max_buffers == 0) {
ALOGE("%s: Camera HAL requested max_buffer count: %d, requires at least 1",
__FUNCTION__, camera3_stream::max_buffers);
return INVALID_OPERATION;
}
mTotalBufferCount = maxConsumerBuffers + camera3_stream::max_buffers;
mHandoutTotalBufferCount = 0;
mFrameCount = 0;
mLastTimestamp = 0;
res = native_window_set_buffer_count(mConsumer.get(),
mTotalBufferCount);
if (res != OK) {
ALOGE("%s: Unable to set buffer count for stream %d",
__FUNCTION__, mId);
return res;
}
res = native_window_set_buffers_transform(mConsumer.get(),
mTransform);
if (res != OK) {
ALOGE("%s: Unable to configure stream transform to %x: %s (%d)",
__FUNCTION__, mTransform, strerror(-res), res);
}
return OK;
}
void
FakeSurfaceComposer::captureScreenImp(const sp<IGraphicBufferProducer>& producer,
uint32_t reqWidth,
uint32_t reqHeight,
const sp<GraphicProducerWrapper>& wrapper)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(wrapper.get());
RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();
// get screen geometry
nsIntRect screenBounds = screen->GetNaturalBounds().ToUnknownRect();
const uint32_t hw_w = screenBounds.width;
const uint32_t hw_h = screenBounds.height;
if (reqWidth > hw_w || reqHeight > hw_h) {
ALOGE("size mismatch (%d, %d) > (%d, %d)",
reqWidth, reqHeight, hw_w, hw_h);
static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(BAD_VALUE);
return;
}
reqWidth = (!reqWidth) ? hw_w : reqWidth;
reqHeight = (!reqHeight) ? hw_h : reqHeight;
nsScreenGonk* screenPtr = screen.forget().take();
nsCOMPtr<nsIRunnable> runnable =
NS_NewRunnableFunction([screenPtr, reqWidth, reqHeight, producer, wrapper]() {
// create a surface (because we're a producer, and we need to
// dequeue/queue a buffer)
sp<Surface> sur = new Surface(producer);
ANativeWindow* window = sur.get();
if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != NO_ERROR) {
static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(BAD_VALUE);
NS_ReleaseOnMainThread(screenPtr);
return;
}
uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
int err = 0;
err = native_window_set_buffers_dimensions(window, reqWidth, reqHeight);
err |= native_window_set_scaling_mode(window, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
err |= native_window_set_buffers_format(window, HAL_PIXEL_FORMAT_RGBA_8888);
err |= native_window_set_usage(window, usage);
status_t result = NO_ERROR;
if (err == NO_ERROR) {
ANativeWindowBuffer* buffer;
result = native_window_dequeue_buffer_and_wait(window, &buffer);
if (result == NO_ERROR) {
nsresult rv = screenPtr->MakeSnapshot(buffer);
if (rv != NS_OK) {
result = INVALID_OPERATION;
}
window->queueBuffer(window, buffer, -1);
}
} else {
result = BAD_VALUE;
}
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(result);
NS_ReleaseOnMainThread(screenPtr);
});
mozilla::layers::CompositorParent::CompositorLoop()->PostTask(
FROM_HERE, new RunnableCallTask(runnable));
}
status_t StreamAdapter::connectToDevice(camera2_device_t *d,
uint32_t width, uint32_t height, int format) {
if (mState != UNINITIALIZED) return INVALID_OPERATION;
if (d == NULL) {
ALOGE("%s: Null device passed to stream adapter", __FUNCTION__);
return BAD_VALUE;
}
status_t res;
mWidth = width;
mHeight = height;
mFormat = format;
// Allocate device-side stream interface
uint32_t id;
uint32_t formatActual; // ignored
uint32_t usage;
uint32_t maxBuffers = 2;
res = d->ops->allocate_stream(d,
mWidth, mHeight, mFormat, getStreamOps(),
&id, &formatActual, &usage, &maxBuffers);
if (res != OK) {
ALOGE("%s: Device stream allocation failed: %s (%d)",
__FUNCTION__, strerror(-res), res);
mState = UNINITIALIZED;
return res;
}
mDevice = d;
mId = id;
mUsage = usage;
mMaxProducerBuffers = maxBuffers;
// Configure consumer-side ANativeWindow interface
res = native_window_api_connect(mConsumerInterface.get(),
NATIVE_WINDOW_API_CAMERA);
if (res != OK) {
ALOGE("%s: Unable to connect to native window for stream %d",
__FUNCTION__, mId);
mState = ALLOCATED;
return res;
}
res = native_window_set_usage(mConsumerInterface.get(), mUsage);
if (res != OK) {
ALOGE("%s: Unable to configure usage %08x for stream %d",
__FUNCTION__, mUsage, mId);
mState = CONNECTED;
return res;
}
res = native_window_set_buffers_geometry(mConsumerInterface.get(),
mWidth, mHeight, mFormat);
if (res != OK) {
ALOGE("%s: Unable to configure buffer geometry"
" %d x %d, format 0x%x for stream %d",
__FUNCTION__, mWidth, mHeight, mFormat, mId);
mState = CONNECTED;
return res;
}
int maxConsumerBuffers;
res = mConsumerInterface->query(mConsumerInterface.get(),
NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &maxConsumerBuffers);
if (res != OK) {
ALOGE("%s: Unable to query consumer undequeued"
" buffer count for stream %d", __FUNCTION__, mId);
mState = CONNECTED;
return res;
}
mMaxConsumerBuffers = maxConsumerBuffers;
ALOGV("%s: Producer wants %d buffers, consumer wants %d", __FUNCTION__,
mMaxProducerBuffers, mMaxConsumerBuffers);
int totalBuffers = mMaxConsumerBuffers + mMaxProducerBuffers;
res = native_window_set_buffer_count(mConsumerInterface.get(),
totalBuffers);
if (res != OK) {
ALOGE("%s: Unable to set buffer count for stream %d",
__FUNCTION__, mId);
mState = CONNECTED;
return res;
}
// Register allocated buffers with HAL device
buffer_handle_t *buffers = new buffer_handle_t[totalBuffers];
ANativeWindowBuffer **anwBuffers = new ANativeWindowBuffer*[totalBuffers];
int bufferIdx = 0;
for (; bufferIdx < totalBuffers; bufferIdx++) {
res = native_window_dequeue_buffer_and_wait(mConsumerInterface.get(),
&anwBuffers[bufferIdx]);
if (res != OK) {
ALOGE("%s: Unable to dequeue buffer %d for initial registration for"
"stream %d", __FUNCTION__, bufferIdx, mId);
mState = CONNECTED;
goto cleanUpBuffers;
}
buffers[bufferIdx] = anwBuffers[bufferIdx]->handle;
}
res = mDevice->ops->register_stream_buffers(mDevice,
mId,
totalBuffers,
buffers);
if (res != OK) {
ALOGE("%s: Unable to register buffers with HAL device for stream %d",
__FUNCTION__, mId);
mState = CONNECTED;
} else {
mState = ACTIVE;
}
cleanUpBuffers:
for (int i = 0; i < bufferIdx; i++) {
res = mConsumerInterface->cancelBuffer(mConsumerInterface.get(),
anwBuffers[i], -1);
}
delete anwBuffers;
delete buffers;
return res;
}
bool_e anativewindow_allocate(anativewindow_t *anw,
uint32_t buffer_width,
uint32_t buffer_height,
int32_t numBuffers,
int32_t format,
bool flipH)
{
if (format != ANW_NV12_FORMAT)
return false_e;
if (anw)
{
status_t status = 0;
anw->m_format = format;
anw->m_usage = GRALLOC_USAGE_HW_TEXTURE |
GRALLOC_USAGE_HW_RENDER |
GRALLOC_USAGE_SW_READ_OFTEN | // Non-cached ? If you use RARELY it will complain
GRALLOC_USAGE_SW_WRITE_NEVER; // can't access from UVA
anw->m_numBuffers = numBuffers;
anw->m_width = buffer_width;
anw->m_height = buffer_height;
anw->m_native_buffers = (ANativeWindowBuffer **)calloc(numBuffers, sizeof(ANativeWindowBuffer *));
DVP_PRINT(DVP_ZONE_VIDEO, "Created %u pointers in native array %p\n", numBuffers, anw->m_native_buffers);
if (anw->m_native_buffers == NULL) {
return false_e;
}
// connect to the native window API
status = native_window_api_connect(anw->m_window.get(), NATIVE_WINDOW_API_CAMERA);
ANW_ERROR(status,"CONNECT");
// set the scaling mode of the windows
status = native_window_set_scaling_mode(anw->m_window.get(), NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
ANW_ERROR(status,"SCALING");
#if defined(BLAZE_TABLET) && defined(ICS)
// set the layout of the buffer
status = native_window_set_buffers_layout(anw->m_window.get(), NATIVE_WINDOW_BUFFERS_LAYOUT_PROGRESSIVE); // progressive
ANW_ERROR(status,"LAYOUT");
#endif
// set the format of the buffer
status = native_window_set_buffers_format(anw->m_window.get(), anw->m_format);
ANW_ERROR(status,"FORMAT");
// setup the dimensions
status = native_window_set_buffers_dimensions(anw->m_window.get(), anw->m_width, anw->m_height);
ANW_ERROR(status,"DIM");
if (flipH) {
// set the horizontal flip
status = native_window_set_buffers_transform(anw->m_window.get(), NATIVE_WINDOW_TRANSFORM_FLIP_H);
ANW_ERROR(status,"TRANSFORM FLIP HORIZONTAL");
}
// set the usage of the GRALLOC buffers
status = native_window_set_usage(anw->m_window.get(), anw->m_usage);
if (status < 0 ) {
DVP_PRINT(DVP_ZONE_ERROR, "%s[%u] USAGE status = %d (0x%08x)\n", __FUNCTION__, __LINE__, status, anw->m_usage);
}
// set the number of buffers required.
status = native_window_set_buffer_count(anw->m_window.get(), anw->m_numBuffers);
ANW_ERROR(status,"COUNT");
// get the number of dequeueable buffers
status = anw->m_window->query(anw->m_window.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, (int*)&anw->m_nonqueue);
ANW_ERROR(status,"QUERY NONQUEUE");
for (uint32_t n = 0; n < anw->m_numBuffers; n++)
{
status = anw->m_window->dequeueBuffer(anw->m_window.get(), &anw->m_native_buffers[n]);
if (status != 0) {
DVP_PRINT(DVP_ZONE_ERROR, "%s[%u] %s status = %d\n", __FUNCTION__, __LINE__, "Failed window buffer dequeue!", status); \
return false_e;
}
if (anw->m_native_buffers[n])
{
native_handle_t *hdl = (native_handle_t *)anw->m_native_buffers[n]->handle;
hdl = hdl; // warnings
DVP_PRINT(DVP_ZONE_VIDEO, "ANativeBuffer %p => dim %dx%d stride %d usage %d format %d handle %p numFds=%u\n",
anw->m_native_buffers[n],
anw->m_native_buffers[n]->width,
anw->m_native_buffers[n]->height,
anw->m_native_buffers[n]->stride,
anw->m_native_buffers[n]->usage,
anw->m_native_buffers[n]->format,
anw->m_native_buffers[n]->handle,
hdl->numFds);
}
}
return true_e;
}
return false_e;
}
status_t setNativeWindowSizeFormatAndUsage(
ANativeWindow *nativeWindow /* nonnull */,
int width, int height, int format, int rotation, int usage, bool reconnect) {
status_t err = NO_ERROR;
// In some cases we need to reconnect so that we can dequeue all buffers
if (reconnect) {
err = native_window_api_disconnect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
if (err != NO_ERROR) {
ALOGE("native_window_api_disconnect failed: %s (%d)", strerror(-err), -err);
return err;
}
err = native_window_api_connect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
if (err != NO_ERROR) {
ALOGE("native_window_api_connect failed: %s (%d)", strerror(-err), -err);
return err;
}
}
err = native_window_set_buffers_dimensions(nativeWindow, width, height);
if (err != NO_ERROR) {
ALOGE("native_window_set_buffers_dimensions failed: %s (%d)", strerror(-err), -err);
return err;
}
err = native_window_set_buffers_format(nativeWindow, format);
if (err != NO_ERROR) {
ALOGE("native_window_set_buffers_format failed: %s (%d)", strerror(-err), -err);
return err;
}
int transform = 0;
if ((rotation % 90) == 0) {
switch ((rotation / 90) & 3) {
case 1: transform = HAL_TRANSFORM_ROT_90; break;
case 2: transform = HAL_TRANSFORM_ROT_180; break;
case 3: transform = HAL_TRANSFORM_ROT_270; break;
default: transform = 0; break;
}
}
err = native_window_set_buffers_transform(nativeWindow, transform);
if (err != NO_ERROR) {
ALOGE("native_window_set_buffers_transform failed: %s (%d)", strerror(-err), -err);
return err;
}
int consumerUsage = 0;
err = nativeWindow->query(nativeWindow, NATIVE_WINDOW_CONSUMER_USAGE_BITS, &consumerUsage);
if (err != NO_ERROR) {
ALOGW("failed to get consumer usage bits. ignoring");
err = NO_ERROR;
}
// Make sure to check whether either Stagefright or the video decoder
// requested protected buffers.
if (usage & GRALLOC_USAGE_PROTECTED) {
// Check if the ANativeWindow sends images directly to SurfaceFlinger.
int queuesToNativeWindow = 0;
err = nativeWindow->query(
nativeWindow, NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER, &queuesToNativeWindow);
if (err != NO_ERROR) {
ALOGE("error authenticating native window: %s (%d)", strerror(-err), -err);
return err;
}
// Check if the ANativeWindow uses hardware protected buffers.
if (queuesToNativeWindow != 1 && !(consumerUsage & GRALLOC_USAGE_PROTECTED)) {
ALOGE("native window could not be authenticated");
return PERMISSION_DENIED;
}
}
int finalUsage = usage | consumerUsage;
ALOGV("gralloc usage: %#x(producer) + %#x(consumer) = %#x", usage, consumerUsage, finalUsage);
err = native_window_set_usage(nativeWindow, finalUsage);
if (err != NO_ERROR) {
ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
return err;
}
err = native_window_set_scaling_mode(
nativeWindow, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
if (err != NO_ERROR) {
ALOGE("native_window_set_scaling_mode failed: %s (%d)", strerror(-err), -err);
return err;
}
ALOGD("set up nativeWindow %p for %dx%d, color %#x, rotation %d, usage %#x",
nativeWindow, width, height, format, rotation, finalUsage);
return NO_ERROR;
}
