本文整理汇总了C++中CameraParameters::getSupportedVideoSizes方法的典型用法代码示例。如果您正苦于以下问题：C++ CameraParameters::getSupportedVideoSizes方法的具体用法？C++ CameraParameters::getSupportedVideoSizes怎么用？C++ CameraParameters::getSupportedVideoSizes使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CameraParameters的用法示例。
在下文中一共展示了CameraParameters::getSupportedVideoSizes方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getSupportedVideoSizes
/*
* Query the camera to retrieve the supported video frame sizes
* and also to see whether CameraParameters::setVideoSize()
* is supported or not.
* @param params CameraParameters to retrieve the information
* @@param isSetVideoSizeSupported retunrs whether method
* CameraParameters::setVideoSize() is supported or not.
* @param sizes returns the vector of Size objects for the
* supported video frame sizes advertised by the camera.
*/
static void getSupportedVideoSizes(
const CameraParameters& params,
bool *isSetVideoSizeSupported,
Vector<Size>& sizes) {
*isSetVideoSizeSupported = true;
params.getSupportedVideoSizes(sizes);
if (sizes.size() == 0) {
ALOGD("Camera does not support setVideoSize()");
params.getSupportedPreviewSizes(sizes);
*isSetVideoSizeSupported = false;
}
}示例2: checkVideoSize
/*
* Check whether the requested video frame size
* has been successfully configured or not. If both width and height
* are -1, check on the current width and height value setting
* is performed.
*
* @param params CameraParameters to retrieve the information
* @param the target video frame width in pixels to check against
* @param the target video frame height in pixels to check against
* @return OK if no error
*/
status_t CameraSource::checkVideoSize(
const CameraParameters& params,
int32_t width, int32_t height) {
ALOGV("checkVideoSize");
// The actual video size is the same as the preview size
// if the camera hal does not support separate video and
// preview output. In this case, we retrieve the video
// size from preview.
int32_t frameWidthActual = -1;
int32_t frameHeightActual = -1;
Vector<Size> sizes;
params.getSupportedVideoSizes(sizes);
if (sizes.size() == 0) {
// video size is the same as preview size
params.getPreviewSize(&frameWidthActual, &frameHeightActual);
} else {
// video size may not be the same as preview
params.getVideoSize(&frameWidthActual, &frameHeightActual);
}
if (frameWidthActual < 0 || frameHeightActual < 0) {
ALOGE("Failed to retrieve video frame size (%dx%d)",
frameWidthActual, frameHeightActual);
return UNKNOWN_ERROR;
}
// Check the actual video frame size against the target/requested
// video frame size.
if (width != -1 && height != -1) {
if (frameWidthActual != width || frameHeightActual != height) {
ALOGE("Failed to set video frame size to %dx%d. "
"The actual video size is %dx%d ", width, height,
frameWidthActual, frameHeightActual);
return UNKNOWN_ERROR;
}
}
// Good now.
mVideoSize.width = frameWidthActual;
mVideoSize.height = frameHeightActual;
return OK;
}