result.appendFormat(" Video stabilization is %s\n",
p.videoStabilization ? "enabled" : "disabled");
+ result.appendFormat(" Selected still capture FPS range: %d - %d\n",
+ p.fastInfo.bestStillCaptureFpsRange[0],
+ p.fastInfo.bestStillCaptureFpsRange[1]);
+
result.append(" Current streams:\n");
result.appendFormat(" Preview stream ID: %d\n",
getPreviewStreamId());
arrayHeight = activeArraySize.data.i32[3];
} else return NO_INIT;
+ // We'll set the target FPS range for still captures to be as wide
+ // as possible to give the HAL maximum latitude for exposure selection
+ camera_metadata_ro_entry_t availableFpsRanges =
+ staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2);
+ if (availableFpsRanges.count < 2 || availableFpsRanges.count % 2 != 0) {
+ return NO_INIT;
+ }
+
+ int32_t bestStillCaptureFpsRange[2] = {
+ availableFpsRanges.data.i32[0], availableFpsRanges.data.i32[1]
+ };
+ int32_t curRange =
+ bestStillCaptureFpsRange[1] - bestStillCaptureFpsRange[0];
+ for (size_t i = 2; i < availableFpsRanges.count; i += 2) {
+ int32_t nextRange =
+ availableFpsRanges.data.i32[i + 1] -
+ availableFpsRanges.data.i32[i];
+ if ( (nextRange > curRange) || // Maximize size of FPS range first
+ (nextRange == curRange && // Then minimize low-end FPS
+ bestStillCaptureFpsRange[0] > availableFpsRanges.data.i32[i])) {
+
+ bestStillCaptureFpsRange[0] = availableFpsRanges.data.i32[i];
+ bestStillCaptureFpsRange[1] = availableFpsRanges.data.i32[i + 1];
+ curRange = nextRange;
+ }
+ }
+
camera_metadata_ro_entry_t availableFaceDetectModes =
staticInfo(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 0, 0,
false);
fastInfo.arrayWidth = arrayWidth;
fastInfo.arrayHeight = arrayHeight;
+ fastInfo.bestStillCaptureFpsRange[0] = bestStillCaptureFpsRange[0];
+ fastInfo.bestStillCaptureFpsRange[1] = bestStillCaptureFpsRange[1];
fastInfo.bestFaceDetectMode = bestFaceDetectMode;
fastInfo.maxFaces = maxFaces;
&metadataMode, 1);
if (res != OK) return res;
- res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE,
- previewFpsRange, 2);
+ camera_metadata_entry_t intent =
+ request->find(ANDROID_CONTROL_CAPTURE_INTENT);
+ if (intent.data.u8[0] == ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE) {
+ res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE,
+ fastInfo.bestStillCaptureFpsRange, 2);
+ } else {
+ res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE,
+ previewFpsRange, 2);
+ }
if (res != OK) return res;
uint8_t reqWbLock = autoWhiteBalanceLock ?