Camera: Add HEIC support
- Derive HEIC capabilities from camera HAL and media framework.
- Add HeicCompositeStream to encode camera buffers to HEIC buffers.
- Add ExifUtils to overwrite JPEG APP segments and send to media codec.
- Add NDK enums and corresponding format support.
Test: Camera CTS
Bug: 79465976
Change-Id: I0a885e76335f3eba4be0fd42241edb0b7349f284
diff --git a/services/camera/libcameraservice/utils/ExifUtils.h b/services/camera/libcameraservice/utils/ExifUtils.h
new file mode 100644
index 0000000..8ccdd8f
--- /dev/null
+++ b/services/camera/libcameraservice/utils/ExifUtils.h
@@ -0,0 +1,245 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SERVERS_CAMERA_EXIF_UTILS_H
+#define ANDROID_SERVERS_CAMERA_EXIF_UTILS_H
+
+#include "CameraMetadata.h"
+
+namespace android {
+namespace camera3 {
+
+// This is based on the camera HIDL shim implementation, which was in turned
+// based on original ChromeOS ARC implementation of a V4L2 HAL
+
+// ExifUtils can override APP1 segment with tags which caller set. ExifUtils can
+// also add a thumbnail in the APP1 segment if thumbnail size is specified.
+// ExifUtils can be reused with different images by calling initialize().
+//
+// Example of using this class :
+// std::unique_ptr<ExifUtils> utils(ExifUtils::Create());
+// utils->initialize(const unsigned char* app1Segment, size_t app1SegmentSize);
+// ...
+// // Call ExifUtils functions to set Exif tags.
+// ...
+// utils->GenerateApp1();
+// unsigned int app1Length = utils->GetApp1Length();
+// uint8_t* app1Buffer = new uint8_t[app1Length];
+// memcpy(app1Buffer, utils->GetApp1Buffer(), app1Length);
+class ExifUtils {
+
+public:
+ virtual ~ExifUtils();
+
+ static ExifUtils* create();
+
+ // Initialize() can be called multiple times. The setting of Exif tags will be
+ // cleared.
+ virtual bool initialize(const unsigned char *app1Segment, size_t app1SegmentSize) = 0;
+
+ // Set all known fields from a metadata structure
+ virtual bool setFromMetadata(const CameraMetadata& metadata,
+ const size_t imageWidth, const size_t imageHeight) = 0;
+
+ // Sets the len aperture.
+ // Returns false if memory allocation fails.
+ virtual bool setAperture(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the value of brightness.
+ // Returns false if memory allocation fails.
+ virtual bool setBrightness(int32_t numerator, int32_t denominator) = 0;
+
+ // Sets the color space.
+ // Returns false if memory allocation fails.
+ virtual bool setColorSpace(uint16_t color_space) = 0;
+
+ // Sets the information to compressed data.
+ // Returns false if memory allocation fails.
+ virtual bool setComponentsConfiguration(const std::string& components_configuration) = 0;
+
+ // Sets the compression scheme used for the image data.
+ // Returns false if memory allocation fails.
+ virtual bool setCompression(uint16_t compression) = 0;
+
+ // Sets image contrast.
+ // Returns false if memory allocation fails.
+ virtual bool setContrast(uint16_t contrast) = 0;
+
+ // Sets the date and time of image last modified. It takes local time. The
+ // name of the tag is DateTime in IFD0.
+ // Returns false if memory allocation fails.
+ virtual bool setDateTime(const struct tm& t) = 0;
+
+ // Sets the image description.
+ // Returns false if memory allocation fails.
+ virtual bool setDescription(const std::string& description) = 0;
+
+ // Sets the digital zoom ratio. If the numerator is 0, it means digital zoom
+ // was not used.
+ // Returns false if memory allocation fails.
+ virtual bool setDigitalZoomRatio(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the exposure bias.
+ // Returns false if memory allocation fails.
+ virtual bool setExposureBias(int32_t numerator, int32_t denominator) = 0;
+
+ // Sets the exposure mode set when the image was shot.
+ // Returns false if memory allocation fails.
+ virtual bool setExposureMode(uint16_t exposure_mode) = 0;
+
+ // Sets the program used by the camera to set exposure when the picture is
+ // taken.
+ // Returns false if memory allocation fails.
+ virtual bool setExposureProgram(uint16_t exposure_program) = 0;
+
+ // Sets the exposure time, given in seconds.
+ // Returns false if memory allocation fails.
+ virtual bool setExposureTime(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the status of flash.
+ // Returns false if memory allocation fails.
+ virtual bool setFlash(uint16_t flash) = 0;
+
+ // Sets the F number.
+ // Returns false if memory allocation fails.
+ virtual bool setFNumber(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the focal length of lens used to take the image in millimeters.
+ // Returns false if memory allocation fails.
+ virtual bool setFocalLength(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the degree of overall image gain adjustment.
+ // Returns false if memory allocation fails.
+ virtual bool setGainControl(uint16_t gain_control) = 0;
+
+ // Sets the altitude in meters.
+ // Returns false if memory allocation fails.
+ virtual bool setGpsAltitude(double altitude) = 0;
+
+ // Sets the latitude with degrees minutes seconds format.
+ // Returns false if memory allocation fails.
+ virtual bool setGpsLatitude(double latitude) = 0;
+
+ // Sets the longitude with degrees minutes seconds format.
+ // Returns false if memory allocation fails.
+ virtual bool setGpsLongitude(double longitude) = 0;
+
+ // Sets GPS processing method.
+ // Returns false if memory allocation fails.
+ virtual bool setGpsProcessingMethod(const std::string& method) = 0;
+
+ // Sets GPS date stamp and time stamp (atomic clock). It takes UTC time.
+ // Returns false if memory allocation fails.
+ virtual bool setGpsTimestamp(const struct tm& t) = 0;
+
+ // Sets the height (number of rows) of main image.
+ // Returns false if memory allocation fails.
+ virtual bool setImageHeight(uint32_t length) = 0;
+
+ // Sets the width (number of columns) of main image.
+ // Returns false if memory allocation fails.
+ virtual bool setImageWidth(uint32_t width) = 0;
+
+ // Sets the ISO speed.
+ // Returns false if memory allocation fails.
+ virtual bool setIsoSpeedRating(uint16_t iso_speed_ratings) = 0;
+
+ // Sets the kind of light source.
+ // Returns false if memory allocation fails.
+ virtual bool setLightSource(uint16_t light_source) = 0;
+
+ // Sets the smallest F number of the lens.
+ // Returns false if memory allocation fails.
+ virtual bool setMaxAperture(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the metering mode.
+ // Returns false if memory allocation fails.
+ virtual bool setMeteringMode(uint16_t metering_mode) = 0;
+
+ // Sets image orientation.
+ // Returns false if memory allocation fails.
+ virtual bool setOrientation(uint16_t orientation) = 0;
+
+ // Sets the unit for measuring XResolution and YResolution.
+ // Returns false if memory allocation fails.
+ virtual bool setResolutionUnit(uint16_t resolution_unit) = 0;
+
+ // Sets image saturation.
+ // Returns false if memory allocation fails.
+ virtual bool setSaturation(uint16_t saturation) = 0;
+
+ // Sets the type of scene that was shot.
+ // Returns false if memory allocation fails.
+ virtual bool setSceneCaptureType(uint16_t type) = 0;
+
+ // Sets image sharpness.
+ // Returns false if memory allocation fails.
+ virtual bool setSharpness(uint16_t sharpness) = 0;
+
+ // Sets the shutter speed.
+ // Returns false if memory allocation fails.
+ virtual bool setShutterSpeed(int32_t numerator, int32_t denominator) = 0;
+
+ // Sets the distance to the subject, given in meters.
+ // Returns false if memory allocation fails.
+ virtual bool setSubjectDistance(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the fractions of seconds for the <DateTime> tag.
+ // Returns false if memory allocation fails.
+ virtual bool setSubsecTime(const std::string& subsec_time) = 0;
+
+ // Sets the white balance mode set when the image was shot.
+ // Returns false if memory allocation fails.
+ virtual bool setWhiteBalance(uint16_t white_balance) = 0;
+
+ // Sets the number of pixels per resolution unit in the image width.
+ // Returns false if memory allocation fails.
+ virtual bool setXResolution(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the position of chrominance components in relation to the luminance
+ // component.
+ // Returns false if memory allocation fails.
+ virtual bool setYCbCrPositioning(uint16_t ycbcr_positioning) = 0;
+
+ // Sets the number of pixels per resolution unit in the image length.
+ // Returns false if memory allocation fails.
+ virtual bool setYResolution(uint32_t numerator, uint32_t denominator) = 0;
+
+ // Sets the manufacturer of camera.
+ // Returns false if memory allocation fails.
+ virtual bool setMake(const std::string& make) = 0;
+
+ // Sets the model number of camera.
+ // Returns false if memory allocation fails.
+ virtual bool setModel(const std::string& model) = 0;
+
+ // Generates APP1 segment.
+ // Returns false if generating APP1 segment fails.
+ virtual bool generateApp1() = 0;
+
+ // Gets buffer of APP1 segment. This method must be called only after calling
+ // GenerateAPP1().
+ virtual const uint8_t* getApp1Buffer() = 0;
+
+ // Gets length of APP1 segment. This method must be called only after calling
+ // GenerateAPP1().
+ virtual unsigned int getApp1Length() = 0;
+};
+
+} // namespace camera3
+} // namespace android
+
+#endif // ANDROID_SERVERS_CAMERA_EXIF_UTILS_H