bool PreviewWindow::onNextFrameAvailableHW(const void* frame,
nsecs_t timestamp,
V4L2Camera* camera_dev)
{
int res;
V4L2BUF_t * pv4l2_buf = (V4L2BUF_t *)frame;
Mutex::Autolock locker(&mObjectLock);
if (!isPreviewEnabled() || mPreviewWindow == NULL)
{
return true;
}
/* Make sure that preview window dimensions are OK with the camera device */
if (adjustPreviewDimensions(camera_dev) || mShouldAdjustDimensions)
{
ALOGD("%s: Adjusting preview windows %p geometry to %dx%d",
__FUNCTION__, mPreviewWindow, mPreviewFrameWidth,
mPreviewFrameHeight);
res = mPreviewWindow->set_buffers_geometryex(mPreviewWindow,
mPreviewFrameWidth,
mPreviewFrameHeight,
HWC_FORMAT_DEFAULT,
mScreenID);
if (res != NO_ERROR) {
ALOGE("%s: Error in set_buffers_geometry %d -> %s",
__FUNCTION__, -res, strerror(-res));
mShouldAdjustDimensions = true;
return false;
}
mPreviewWindow->perform(mPreviewWindow, NATIVE_WINDOW_SETPARAMETER, HWC_LAYER_SETFORMAT, mLayerFormat);
mShouldAdjustDimensions = false;
mPreviewWindow->set_crop(mPreviewWindow,
mRectCrop.left, mRectCrop.top, mRectCrop.right, mRectCrop.bottom);
mNewCrop = false;
ALOGV("first hw: [%d, %d, %d, %d]", mRectCrop.left,
mRectCrop.top,
mRectCrop.right,
mRectCrop.bottom);
}
libhwclayerpara_t overlay_para;
overlay_para.bProgressiveSrc = 1;
overlay_para.bTopFieldFirst = 1;
overlay_para.pVideoInfo.frame_rate = 25000;
overlay_para.top_y = (unsigned int)pv4l2_buf->addrPhyY;
overlay_para.top_c = (unsigned int)pv4l2_buf->addrPhyY + mPreviewFrameWidth * mPreviewFrameHeight;
overlay_para.bottom_y = 0;
overlay_para.bottom_c = 0;
overlay_para.number = 0;
if (mOverlayFirstFrame)
{
ALOGV("first frame true");
overlay_para.first_frame_flg = 1;
mOverlayFirstFrame = false;
}
else
{
overlay_para.first_frame_flg = 0;
}
// ALOGV("addrY: %x, addrC: %x, WXH: %dx%d", overlay_para.top_y, overlay_para.top_c, mPreviewFrameWidth, mPreviewFrameHeight);
if (mNewCrop)
{
mPreviewWindow->set_crop(mPreviewWindow,
mRectCrop.left, mRectCrop.top, mRectCrop.right, mRectCrop.bottom);
mNewCrop = false;
}
res = mPreviewWindow->perform(mPreviewWindow, NATIVE_WINDOW_SETPARAMETER, HWC_LAYER_SETFRAMEPARA, (uint32_t)&overlay_para);
if (res != OK)
{
ALOGE("NATIVE_WINDOW_SETPARAMETER failed");
return false;
}
if (mLayerShowHW == 0)
{
showLayer(true);
}
return true;
}
bool PreviewWindow::onNextFrameAvailableSW(const void* frame,
nsecs_t timestamp,
V4L2Camera* camera_dev)
{
int res;
Mutex::Autolock locker(&mObjectLock);
// ALOGD("%s, timestamp: %lld", __FUNCTION__, timestamp);
if (!isPreviewEnabled() || mPreviewWindow == NULL)
{
return true;
}
/* Make sure that preview window dimensions are OK with the camera device */
if (adjustPreviewDimensions(camera_dev) || mShouldAdjustDimensions) {
/* Need to set / adjust buffer geometry for the preview window.
* Note that in the emulator preview window uses only RGB for pixel
* formats. */
ALOGD("%s: Adjusting preview windows %p geometry to %dx%d",
__FUNCTION__, mPreviewWindow, mPreviewFrameWidth,
mPreviewFrameHeight);
#if PREVIEW_FMT_RGBA32
int format = HAL_PIXEL_FORMAT_RGBA_8888;
ALOGV("preview format: HAL_PIXEL_FORMAT_RGBA_8888");
#else
int format = HAL_PIXEL_FORMAT_YCrCb_420_SP;
ALOGV("preview format: HAL_PIXEL_FORMAT_YCrCb_420_SP");
#endif
res = mPreviewWindow->set_buffers_geometry(mPreviewWindow,
mPreviewFrameWidth,
mPreviewFrameHeight,
format);
if (res != NO_ERROR) {
ALOGE("%s: Error in set_buffers_geometry %d -> %s",
__FUNCTION__, -res, strerror(-res));
// return false;
}
mShouldAdjustDimensions = false;
res = mPreviewWindow->set_buffer_count(mPreviewWindow, 3);
if (res != 0)
{
ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-res), -res);
if ( ENODEV == res ) {
ALOGE("Preview surface abandoned!");
mPreviewWindow = NULL;
}
return false;
}
mPreviewWindow->set_crop(mPreviewWindow,
mRectCrop.left, mRectCrop.top, mRectCrop.right, mRectCrop.bottom);
mNewCrop = false;
ALOGV("first sw: [%d, %d, %d, %d]", mRectCrop.left,
mRectCrop.top,
mRectCrop.right,
mRectCrop.bottom);
}
/*
* Push new frame to the preview window.
*/
/* Dequeue preview window buffer for the frame. */
buffer_handle_t* buffer = NULL;
int stride = 0;
res = mPreviewWindow->dequeue_buffer(mPreviewWindow, &buffer, &stride);
if (res != NO_ERROR || buffer == NULL) {
ALOGE("%s: Unable to dequeue preview window buffer: %d -> %s",
__FUNCTION__, -res, strerror(-res));
int undequeued = 0;
mPreviewWindow->get_min_undequeued_buffer_count(mPreviewWindow, &undequeued);
ALOGW("now undequeued: %d", undequeued);
return false;
}
/* Let the preview window to lock the buffer. */
res = mPreviewWindow->lock_buffer(mPreviewWindow, buffer);
if (res != NO_ERROR) {
ALOGE("%s: Unable to lock preview window buffer: %d -> %s",
__FUNCTION__, -res, strerror(-res));
mPreviewWindow->cancel_buffer(mPreviewWindow, buffer);
return false;
}
/* Now let the graphics framework to lock the buffer, and provide
* us with the framebuffer data address. */
void* img = NULL;
const Rect rect(mPreviewFrameWidth, mPreviewFrameHeight);
GraphicBufferMapper& grbuffer_mapper(GraphicBufferMapper::get());
res = grbuffer_mapper.lock(*buffer, GRALLOC_USAGE_SW_WRITE_OFTEN, rect, &img);
if (res != NO_ERROR) {
ALOGE("%s: grbuffer_mapper.lock failure: %d -> %s",
__FUNCTION__, res, strerror(res));
mPreviewWindow->cancel_buffer(mPreviewWindow, buffer);
return false;
}
if (mNewCrop)
{
mPreviewWindow->set_crop(mPreviewWindow,
mRectCrop.left, mRectCrop.top, mRectCrop.right, mRectCrop.bottom);
mNewCrop = false;
}
/* Frames come in in YV12/NV12/NV21 format. Since preview window doesn't
* supports those formats, we need to obtain the frame in RGB565. */
res = camera_dev->getCurrentPreviewFrame(img);
if (res == NO_ERROR) {
/* Show it. */
mPreviewWindow->enqueue_buffer(mPreviewWindow, buffer);
} else {
ALOGE("%s: Unable to obtain preview frame: %d", __FUNCTION__, res);
mPreviewWindow->cancel_buffer(mPreviewWindow, buffer);
}
grbuffer_mapper.unlock(*buffer);
return true;
}
bool PreviewWindow::onNextFrameAvailableSW(const void* frame,
int video_fmt,
nsecs_t timestamp,
V4L2Camera* camera_dev)
{
int res;
Mutex::Autolock locker(&mObjectLock);
V4L2BUF_t * pv4l2_buf = (V4L2BUF_t *)frame;
// LOGD("%s, timestamp: %lld", __FUNCTION__, timestamp);
if (!isPreviewEnabled() || mPreviewWindow == NULL)
{
return true;
}
/* Make sure that preview window dimensions are OK with the camera device */
if (adjustPreviewDimensions(camera_dev) || mShouldAdjustDimensions) {
/* Need to set / adjust buffer geometry for the preview window.
* Note that in the emulator preview window uses only RGB for pixel
* formats. */
LOGD("%s: Adjusting preview windows %p geometry to %dx%d",
__FUNCTION__, mPreviewWindow, mPreviewFrameWidth,
mPreviewFrameHeight);
int format = HAL_PIXEL_FORMAT_YCrCb_420_SP;
LOGV("preview format: HAL_PIXEL_FORMAT_YCrCb_420_SP");
res = mPreviewWindow->set_buffers_geometry(mPreviewWindow,
mPreviewFrameWidth,
mPreviewFrameHeight,
format);
if (res != NO_ERROR) {
LOGE("%s: Error in set_buffers_geometry %d -> %s",
__FUNCTION__, -res, strerror(-res));
// return false;
}
mShouldAdjustDimensions = false;
res = mPreviewWindow->set_buffer_count(mPreviewWindow, 3);
if (res != 0)
{
LOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-res), -res);
if ( ENODEV == res ) {
LOGE("Preview surface abandoned!");
mPreviewWindow = NULL;
}
return false;
}
mPreviewWindow->set_crop(mPreviewWindow,
mRectCrop.left, mRectCrop.top, mRectCrop.right, mRectCrop.bottom);
mNewCrop = false;
LOGV("first sw: [%d, %d, %d, %d]", mRectCrop.left,
mRectCrop.top,
mRectCrop.right,
mRectCrop.bottom);
}
/*
* Push new frame to the preview window.
*/
/* Dequeue preview window buffer for the frame. */
buffer_handle_t* buffer = NULL;
int stride = 0;
res = mPreviewWindow->dequeue_buffer(mPreviewWindow, &buffer, &stride);
if (res != NO_ERROR || buffer == NULL) {
LOGE("%s: Unable to dequeue preview window buffer: %d -> %s",
__FUNCTION__, -res, strerror(-res));
int undequeued = 0;
mPreviewWindow->get_min_undequeued_buffer_count(mPreviewWindow, &undequeued);
LOGW("now undequeued: %d", undequeued);
return false;
}
/* Let the preview window to lock the buffer. */
res = mPreviewWindow->lock_buffer(mPreviewWindow, buffer);
if (res != NO_ERROR) {
LOGE("%s: Unable to lock preview window buffer: %d -> %s",
__FUNCTION__, -res, strerror(-res));
mPreviewWindow->cancel_buffer(mPreviewWindow, buffer);
return false;
}
/* Now let the graphics framework to lock the buffer, and provide
* us with the framebuffer data address. */
void* img = NULL;
const Rect rect(mPreviewFrameWidth, mPreviewFrameHeight);
GraphicBufferMapper& grbuffer_mapper(GraphicBufferMapper::get());
res = grbuffer_mapper.lock(*buffer, GRALLOC_USAGE_SW_WRITE_OFTEN, rect, &img);
if (res != NO_ERROR) {
LOGE("%s: grbuffer_mapper.lock failure: %d -> %s",
__FUNCTION__, res, strerror(res));
mPreviewWindow->cancel_buffer(mPreviewWindow, buffer);
return false;
}
if (mNewCrop)
{
mPreviewWindow->set_crop(mPreviewWindow,
mRectCrop.left, mRectCrop.top, mRectCrop.right, mRectCrop.bottom);
mNewCrop = false;
}
if (pv4l2_buf->format == V4L2_PIX_FMT_NV21)
{
memcpy(img, (void*)pv4l2_buf->addrVirY, mPreviewFrameWidth * mPreviewFrameHeight * 3/2);
}
else
{
NV12ToNV21_shift((void*)pv4l2_buf->addrVirY, img, mPreviewFrameWidth, mPreviewFrameHeight);
}
mPreviewWindow->enqueue_buffer(mPreviewWindow, buffer);
grbuffer_mapper.unlock(*buffer);
return true;
}