Add experimental camera session prepare API.
Bug: 18949148
Change-Id: I8f73e68ea2e3acc60d98954106f364d13f439a82
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
index c717a56..f6a0221 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
@@ -719,6 +719,43 @@
return res;
}
+status_t CameraDeviceClient::prepare2(int maxCount, int streamId) {
+ ATRACE_CALL();
+ ALOGV("%s", __FUNCTION__);
+
+ status_t res = OK;
+ if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
+
+ Mutex::Autolock icl(mBinderSerializationLock);
+
+ // Guard against trying to prepare non-created streams
+ ssize_t index = NAME_NOT_FOUND;
+ for (size_t i = 0; i < mStreamMap.size(); ++i) {
+ if (streamId == mStreamMap.valueAt(i)) {
+ index = i;
+ break;
+ }
+ }
+
+ if (index == NAME_NOT_FOUND) {
+ ALOGW("%s: Camera %d: Invalid stream ID (%d) specified, no stream created yet",
+ __FUNCTION__, mCameraId, streamId);
+ return BAD_VALUE;
+ }
+
+ if (maxCount <= 0) {
+ ALOGE("%s: Camera %d: Invalid maxCount (%d) specified, must be greater than 0.",
+ __FUNCTION__, mCameraId, maxCount);
+ return BAD_VALUE;
+ }
+
+ // Also returns BAD_VALUE if stream ID was not valid, or stream already
+ // has been used
+ res = mDevice->prepare(maxCount, streamId);
+
+ return res;
+}
+
status_t CameraDeviceClient::tearDown(int streamId) {
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);