DriverFrame* Camera::grabTemporaryFrame()
{
if(!isStreaming() && !streamOn()) {
fprintf(stderr,
"Camera could not grab frame: streaming could not be turned on.\n");
return NULL;
}
if(buffers == NULL) {
setupBuffers();
}
return buffers->grabTemporaryFrame();
}
status_t QCameraStream_preview::start()
{
ALOGV("%s: E", __func__);
status_t ret = NO_ERROR;
Mutex::Autolock lock(mLock);
/* call start() in parent class to start the monitor thread*/
//QCameraStream::start ();
#if 0
ret = cam_config_prepare_buf(mCameraId, &mDisplayBuf);
ALOGE("Debug : %s : cam_config_prepare_buf",__func__);
if(ret != MM_CAMERA_OK) {
ALOGV("%s:reg preview buf err=%d\n", __func__, ret);
ret = BAD_VALUE;
goto error;
}else {
ret = NO_ERROR;
}
#endif
/* For preview, the OP_MODE we set is dependent upon whether we are
starting camera or camcorder. For snapshot, anyway we disable preview.
However, for ZSL we need to set OP_MODE to OP_MODE_ZSL and not
OP_MODE_VIDEO. We'll set that for now in CamCtrl. So in case of
ZSL we skip setting Mode here */
/* call mm_camera action start(...) */
ALOGE("Starting Preview/Video Stream. ");
mFirstFrameRcvd = false;
ALOGE("Starting Preview/Video Stream. ");
ret = streamOn();
if (MM_CAMERA_OK != ret) {
ALOGE ("%s: preview streaming start err=%d\n", __func__, ret);
ret = BAD_VALUE;
goto end;
}
ALOGE("Debug : %s : Preview streaming Started",__func__);
ret = NO_ERROR;
mActive = true;
goto end;
end:
ALOGE("%s: X", __func__);
return ret;
}
