diff options
Diffstat (limited to 'services/camera/libcameraservice/api1/client2/Parameters.cpp')
| -rw-r--r-- | services/camera/libcameraservice/api1/client2/Parameters.cpp | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/services/camera/libcameraservice/api1/client2/Parameters.cpp b/services/camera/libcameraservice/api1/client2/Parameters.cpp index ad55feb..0705791 100644 --- a/services/camera/libcameraservice/api1/client2/Parameters.cpp +++ b/services/camera/libcameraservice/api1/client2/Parameters.cpp @@ -852,6 +852,33 @@ status_t Parameters::buildFastInfo() { 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); @@ -971,6 +998,8 @@ status_t Parameters::buildFastInfo() { fastInfo.arrayWidth = arrayWidth; fastInfo.arrayHeight = arrayHeight; + fastInfo.bestStillCaptureFpsRange[0] = bestStillCaptureFpsRange[0]; + fastInfo.bestStillCaptureFpsRange[1] = bestStillCaptureFpsRange[1]; fastInfo.bestFaceDetectMode = bestFaceDetectMode; fastInfo.maxFaces = maxFaces; @@ -1709,8 +1738,15 @@ status_t Parameters::updateRequest(CameraMetadata *request) const { &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 ? |