18798ae484
The camera HAL is from LineageOS/xiaomi_msm8996-common, lineage-18.1 Signed-off-by: Deokgyu Yang <secugyu@gmail.com> Change-Id: I5241f82e9ebbb4076eaf73a4180b65e9124c66c4
284 lines
12 KiB
C++
284 lines
12 KiB
C++
/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __QCAMERAMUXER_H__
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#define __QCAMERAMUXER_H__
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#include "hardware/camera.h"
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#include "QCamera2HWI.h"
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#include "QCamera3HWI.h"
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namespace qcamera {
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/* Struct@ qcamera_physical_descriptor_t
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*
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* Description@ This structure specifies various attributes
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* physical cameras enumerated on the device
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*/
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typedef struct {
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// Userspace Physical Camera ID
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uint32_t id;
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// Server Camera ID
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uint32_t camera_server_id;
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// Device version
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uint32_t device_version;
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// Specifies type of camera
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cam_sync_type_t type;
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// Specifies mode of Camera
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cam_sync_mode_t mode;
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// Camera Info
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camera_info cam_info;
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// Reference to HWI
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QCamera2HardwareInterface *hwi;
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// Reference to camera device structure
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camera_device_t* dev;
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} qcamera_physical_descriptor_t;
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/* Struct@ qcamera_logical_descriptor_t
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*
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* Description@ This structure stores information about logical cameras
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* and corresponding data of the physical camera that are part of
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* this logical camera
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*/
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typedef struct {
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// Camera Device to be shared to Frameworks
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camera_device_t dev;
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// Device version
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uint32_t device_version;
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// Logical Camera ID
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uint32_t id;
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// Logical Camera Facing
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int32_t facing;
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// Number of Physical camera present in this logical camera
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uint32_t numCameras;
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// To signify if the LINK/UNLINK established between physical cameras
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bool bSyncOn;
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// index of the primary physical camera session in the bundle
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uint8_t nPrimaryPhyCamIndex;
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// Signifies Physical Camera ID of each camera
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uint32_t pId[MAX_NUM_CAMERA_PER_BUNDLE];
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// Signifies server camera ID of each camera
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uint32_t sId[MAX_NUM_CAMERA_PER_BUNDLE];
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// Signifies type of each camera
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cam_sync_type_t type[MAX_NUM_CAMERA_PER_BUNDLE];
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// Signifies mode of each camera
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cam_sync_mode_t mode[MAX_NUM_CAMERA_PER_BUNDLE];
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} qcamera_logical_descriptor_t;
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/* Struct@ cam_compose_jpeg_info_t
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*
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* Description@ This structure stores information about individual Jpeg images
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* received from multiple related physical camera instances. These images would then be
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* composed together into a single MPO image later.
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*/
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typedef struct {
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// msg_type is same as data callback msg_type
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int32_t msg_type;
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// ptr to actual data buffer
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camera_memory_t *buffer;
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// index of the buffer same as received in data callback
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unsigned int index;
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// metadata associated with the buffer
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camera_frame_metadata_t *metadata;
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// user contains the caller's identity
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// this contains a reference to the physical cam structure
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// of the HWI instance which had requested for this data buffer
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void *user;
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// this indicates validity of the buffer
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// this flag is used by multiple threads to check validity of
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// Jpegs received by other threads
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bool valid;
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// frame id of the Jpeg. this is needed for frame sync between aux
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// and main camera sessions
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uint32_t frame_idx;
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// release callback function to release this Jpeg memory later after
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// composition is completed
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camera_release_callback release_cb;
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// cookie for the release callback function
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void *release_cookie;
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// release data info for what needs to be released
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void *release_data;
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}cam_compose_jpeg_info_t;
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/* Class@ QCameraMuxer
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*
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* Description@ Muxer interface
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* a) Manages the grouping of the physical cameras into a logical camera
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* b) Muxes the operational calls from Frameworks to HWI
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* c) Composes MPO from JPEG
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*/
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class QCameraMuxer {
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public:
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/* Public Methods */
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QCameraMuxer(uint32_t num_of_cameras);
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virtual ~QCameraMuxer();
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static void getCameraMuxer(QCameraMuxer** pCamMuxer,
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uint32_t num_of_cameras);
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static int get_number_of_cameras();
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static int get_camera_info(int camera_id, struct camera_info *info);
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static int set_callbacks(const camera_module_callbacks_t *callbacks);
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static int open_legacy(const struct hw_module_t* module,
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const char* id, uint32_t halVersion, struct hw_device_t** device);
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static int camera_device_open(const struct hw_module_t* module,
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const char* id,
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struct hw_device_t** device);
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static int close_camera_device( hw_device_t *);
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/* Operation methods directly accessed by Camera Service */
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static camera_device_ops_t mCameraMuxerOps;
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/* Start of operational methods */
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static int set_preview_window(struct camera_device *,
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struct preview_stream_ops *window);
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static void set_callBacks(struct camera_device *,
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camera_notify_callback notify_cb,
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camera_data_callback data_cb,
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camera_data_timestamp_callback data_cb_timestamp,
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camera_request_memory get_memory,
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void *user);
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static void enable_msg_type(struct camera_device *, int32_t msg_type);
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static void disable_msg_type(struct camera_device *, int32_t msg_type);
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static int msg_type_enabled(struct camera_device *, int32_t msg_type);
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static int start_preview(struct camera_device *);
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static void stop_preview(struct camera_device *);
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static int preview_enabled(struct camera_device *);
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static int store_meta_data_in_buffers(struct camera_device *,
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int enable);
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static int start_recording(struct camera_device *);
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static void stop_recording(struct camera_device *);
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static int recording_enabled(struct camera_device *);
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static void release_recording_frame(struct camera_device *,
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const void *opaque);
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static int auto_focus(struct camera_device *);
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static int cancel_auto_focus(struct camera_device *);
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static int take_picture(struct camera_device *);
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static int cancel_picture(struct camera_device *);
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static int set_parameters(struct camera_device *, const char *parms);
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static char* get_parameters(struct camera_device *);
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static void put_parameters(struct camera_device *, char *);
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static int send_command(struct camera_device *,
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int32_t cmd, int32_t arg1, int32_t arg2);
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static void release(struct camera_device *);
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static int dump(struct camera_device *, int fd);
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/* End of operational methods */
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static void jpeg_data_callback(int32_t msg_type,
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const camera_memory_t *data, unsigned int index,
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camera_frame_metadata_t *metadata, void *user,
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uint32_t frame_idx, camera_release_callback release_cb,
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void *release_cookie, void *release_data);
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// add notify error msgs to the notifer queue of the primary related cam instance
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static int32_t sendEvtNotify(int32_t msg_type, int32_t ext1, int32_t ext2);
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// function to compose all JPEG images from all physical related camera instances
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void composeMpo(cam_compose_jpeg_info_t* main_Jpeg,
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cam_compose_jpeg_info_t* aux_Jpeg);
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static void* composeMpoRoutine(void* data);
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static bool matchFrameId(void *data, void *user_data, void *match_data);
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static bool findPreviousJpegs(void *data, void *user_data, void *match_data);
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static void releaseJpegInfo(void *data, void *user_data);
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public:
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/* Public Members Variables */
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// Jpeg and Mpo ops need to be shared between 2 HWI instances
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// hence these are cached in the muxer alongwith Jpeg handle
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mm_jpeg_ops_t mJpegOps;
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mm_jpeg_mpo_ops_t mJpegMpoOps;
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uint32_t mJpegClientHandle;
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// Stores Camera Data Callback function
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camera_data_callback mDataCb;
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// Stores Camera GetMemory Callback function
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camera_request_memory mGetMemoryCb;
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private:
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/* Private Member Variables */
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qcamera_physical_descriptor_t *m_pPhyCamera;
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qcamera_logical_descriptor_t *m_pLogicalCamera;
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const camera_module_callbacks_t *m_pCallbacks;
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bool m_bAuxCameraExposed;
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uint8_t m_nPhyCameras;
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uint8_t m_nLogicalCameras;
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// Main Camera session Jpeg Queue
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QCameraQueue m_MainJpegQ;
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// Aux Camera session Jpeg Queue
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QCameraQueue m_AuxJpegQ;
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// thread for mpo composition
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QCameraCmdThread m_ComposeMpoTh;
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// Final Mpo Jpeg Buffer
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camera_memory_t *m_pRelCamMpoJpeg;
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// Lock needed to synchronize between multiple composition requests
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pthread_mutex_t m_JpegLock;
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// this callback cookie would be used for sending Final mpo Jpeg to the framework
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void *m_pMpoCallbackCookie;
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// this callback cookie would be used for caching main related cam phy instance
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// this is needed for error scenarios
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// incase of error, we use this cookie to get HWI instance and send errors in notify cb
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void *m_pJpegCallbackCookie;
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// flag to indicate whether we need to dump dual camera snapshots
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bool m_bDumpImages;
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// flag to indicate whether MPO is enabled or not
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bool m_bMpoEnabled;
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// Signifies if frame sync is enabled
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bool m_bFrameSyncEnabled;
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// flag to indicate whether recording hint is internally set.
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bool m_bRecordingHintInternallySet;
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/* Private Member Methods */
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int setupLogicalCameras();
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int cameraDeviceOpen(int camera_id, struct hw_device_t **hw_device);
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int getNumberOfCameras();
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int getCameraInfo(int camera_id, struct camera_info *info,
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cam_sync_type_t *p_cam_type);
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int32_t setCallbacks(const camera_module_callbacks_t *callbacks);
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int32_t setDataCallback(camera_data_callback data_cb);
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int32_t setMemoryCallback(camera_request_memory get_memory);
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qcamera_logical_descriptor_t* getLogicalCamera(
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struct camera_device * device);
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qcamera_physical_descriptor_t* getPhysicalCamera(
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qcamera_logical_descriptor_t* log_cam, uint32_t index);
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int32_t getActiveNumOfPhyCam(
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qcamera_logical_descriptor_t* log_cam, int& numOfAcitvePhyCam);
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int32_t setMpoCallbackCookie(void* mpoCbCookie);
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void* getMpoCallbackCookie();
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int32_t setMainJpegCallbackCookie(void* jpegCbCookie);
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void* getMainJpegCallbackCookie();
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void setJpegHandle(uint32_t handle) { mJpegClientHandle = handle;};
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// function to store single JPEG from 1 related physical camera instance
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int32_t storeJpeg(cam_sync_type_t cam_type, int32_t msg_type,
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const camera_memory_t *data, unsigned int index,
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camera_frame_metadata_t *metadata, void *user,
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uint32_t frame_idx, camera_release_callback release_cb,
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void *release_cookie, void *release_data);
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};// End namespace qcamera
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}
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#endif /* __QCAMERAMUXER_H__ */
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