diff --git a/libcamera2/Android.mk b/libcamera2/Android.mk new file mode 100644 index 0000000..26eb4a5 --- /dev/null +++ b/libcamera2/Android.mk @@ -0,0 +1,35 @@ +BUILD_LIBCAMERA:=true +ifeq ($(BUILD_LIBCAMERA),true) + +# When zero we link against libmmcamera; when 1, we dlopen libmmcamera. +DLOPEN_LIBMMCAMERA:=1 + +ifneq ($(BUILD_TINY_ANDROID),true) + +LOCAL_PATH:= $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= QualcommCameraHardware.cpp + +LOCAL_CFLAGS:= -DDLOPEN_LIBMMCAMERA=$(DLOPEN_LIBMMCAMERA) + +LOCAL_C_INCLUDES+= \ + vendor/qcom/proprietary/mm-camera/common \ + vendor/qcom/proprietary/mm-camera/apps/appslib \ + vendor/qcom/proprietary/mm-camera/jpeg \ + vendor/qcom/proprietary/mm-camera/jpeg/inc + +LOCAL_SHARED_LIBRARIES:= libutils libui liblog + +ifneq ($(DLOPEN_LIBMMCAMERA),1) +LOCAL_SHARED_LIBRARIES+= libqcamera +else +LOCAL_SHARED_LIBRARIES+= libdl +endif + +LOCAL_MODULE:= libcamera +include $(BUILD_SHARED_LIBRARY) + +endif # BUILD_TINY_ANDROID +endif # BUILD_LIBCAMERA diff --git a/libcamera2/QualcommCameraHardware.cpp b/libcamera2/QualcommCameraHardware.cpp new file mode 100644 index 0000000..2c820a1 --- /dev/null +++ b/libcamera2/QualcommCameraHardware.cpp @@ -0,0 +1,1954 @@ +/* +** Copyright 2008, Google Inc. +** +** 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. +*/ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "QualcommCameraHardware" +#include + +#include "QualcommCameraHardware.h" + +#include +#include +#include +#include +#include +#include +#if HAVE_ANDROID_OS +#include +#endif +#include + +#define LIKELY(exp) __builtin_expect(!!(exp), 1) +#define UNLIKELY(exp) __builtin_expect(!!(exp), 0) + +extern "C" { + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#define THUMBNAIL_WIDTH 512 +#define THUMBNAIL_HEIGHT 384 +#define THUMBNAIL_WIDTH_STR "512" +#define THUMBNAIL_HEIGHT_STR "384" +#define DEFAULT_PICTURE_WIDTH 2048 // 1280 +#define DEFAULT_PICTURE_HEIGHT 1536 // 768 +#define THUMBNAIL_BUFFER_SIZE (THUMBNAIL_WIDTH * THUMBNAIL_HEIGHT * 3/2) + +#define DEFAULT_PREVIEW_SETTING 2 // HVGA +#define PREVIEW_SIZE_COUNT (sizeof(preview_sizes)/sizeof(preview_size_type)) + +#define NOT_FOUND -1 + +#if DLOPEN_LIBMMCAMERA +#include + +void* (*LINK_cam_conf)(void *data); +void* (*LINK_cam_frame)(void *data); +bool (*LINK_jpeg_encoder_init)(); +void (*LINK_jpeg_encoder_join)(); +bool (*LINK_jpeg_encoder_encode)(const cam_ctrl_dimension_t *dimen, + const uint8_t *thumbnailbuf, int thumbnailfd, + const uint8_t *snapshotbuf, int snapshotfd, + common_crop_t *scaling_parms); +int (*LINK_camframe_terminate)(void); +int8_t (*LINK_jpeg_encoder_setMainImageQuality)(uint32_t quality); +int8_t (*LINK_jpeg_encoder_setThumbnailQuality)(uint32_t quality); +int8_t (*LINK_jpeg_encoder_setRotation)(uint32_t rotation); +int8_t (*LINK_jpeg_encoder_setLocation)(const camera_position_type *location); +// callbacks +void (**LINK_mmcamera_camframe_callback)(struct msm_frame *frame); +void (**LINK_mmcamera_jpegfragment_callback)(uint8_t *buff_ptr, + uint32_t buff_size); +void (**LINK_mmcamera_jpeg_callback)(jpeg_event_t status); +void (**LINK_mmcamera_shutter_callback)(); +#else +#define LINK_cam_conf cam_conf +#define LINK_cam_frame cam_frame +#define LINK_jpeg_encoder_init jpeg_encoder_init +#define LINK_jpeg_encoder_join jpeg_encoder_join +#define LINK_jpeg_encoder_encode jpeg_encoder_encode +#define LINK_camframe_terminate camframe_terminate +#define LINK_jpeg_encoder_setMainImageQuality jpeg_encoder_setMainImageQuality +#define LINK_jpeg_encoder_setThumbnailQuality jpeg_encoder_setThumbnailQuality +#define LINK_jpeg_encoder_setRotation jpeg_encoder_setRotation +#define LINK_jpeg_encoder_setLocation jpeg_encoder_setLocation +extern void (*mmcamera_camframe_callback)(struct msm_frame *frame); +extern void (*mmcamera_jpegfragment_callback)(uint8_t *buff_ptr, + uint32_t buff_size); +extern void (*mmcamera_jpeg_callback)(jpeg_event_t status); +extern void (*mmcamera_shutter_callback)(); +#endif + +} // extern "C" + +struct preview_size_type { + int width; + int height; +}; + +static preview_size_type preview_sizes[] = { + { 800, 480 }, // WVGA + { 640, 480 }, // VGA + { 480, 320 }, // HVGA + { 384, 288 }, + { 352, 288 }, // CIF + { 320, 240 }, // QVGA + { 240, 160 }, // SQVGA + { 176, 144 }, // QCIF +}; + +static int attr_lookup(const struct str_map *const arr, const char *name) +{ + if (name) { + const struct str_map *trav = arr; + while (trav->desc) { + if (!strcmp(trav->desc, name)) + return trav->val; + trav++; + } + } + return NOT_FOUND; +} + +#define INIT_VALUES_FOR(parm) do { \ + if (!parm##_values) { \ + parm##_values = (char *)malloc(sizeof(parm)/ \ + sizeof(parm[0])*30); \ + char *ptr = parm##_values; \ + const str_map *trav; \ + for (trav = parm; trav->desc; trav++) { \ + int len = strlen(trav->desc); \ + strcpy(ptr, trav->desc); \ + ptr += len; \ + *ptr++ = ','; \ + } \ + *--ptr = 0; \ + } \ +} while(0) + +// from aeecamera.h +static const str_map whitebalance[] = { + { "auto", CAMERA_WB_AUTO }, + { "incandescent", CAMERA_WB_INCANDESCENT }, + { "florescent", CAMERA_WB_FLUORESCENT }, + { "daylight", CAMERA_WB_DAYLIGHT }, + { "cloudy", CAMERA_WB_CLOUDY_DAYLIGHT }, + { "twilight", CAMERA_WB_TWILIGHT }, + { "shade", CAMERA_WB_SHADE }, + { NULL, 0 } +}; +static char *whitebalance_values; + +// from camera_effect_t +static const str_map effect[] = { + { "off", CAMERA_EFFECT_OFF }, /* This list must match aeecamera.h */ + { "mono", CAMERA_EFFECT_MONO }, + { "negative", CAMERA_EFFECT_NEGATIVE }, + { "solarize", CAMERA_EFFECT_SOLARIZE }, + { "sepia", CAMERA_EFFECT_SEPIA }, + { "postersize", CAMERA_EFFECT_POSTERIZE }, + { "whiteboard", CAMERA_EFFECT_WHITEBOARD }, + { "blackboard", CAMERA_EFFECT_BLACKBOARD }, + { "aqua", CAMERA_EFFECT_AQUA }, + { NULL, 0 } +}; +static char *effect_values; + +// from qcamera/common/camera.h +static const str_map antibanding[] = { + { "off", CAMERA_ANTIBANDING_OFF }, + { "60hz", CAMERA_ANTIBANDING_60HZ }, + { "50hz", CAMERA_ANTIBANDING_50HZ }, + { "auto", CAMERA_ANTIBANDING_AUTO }, + { NULL, 0 } +}; +static char *antibanding_values; + +// round to the next power of two +static inline unsigned clp2(unsigned x) +{ + x = x - 1; + x = x | (x >> 1); + x = x | (x >> 2); + x = x | (x >> 4); + x = x | (x >> 8); + x = x | (x >>16); + return x + 1; +} + +namespace android { + +static Mutex singleton_lock; +static bool singleton_releasing; +static Condition singleton_wait; + +static void receive_camframe_callback(struct msm_frame *frame); +static void receive_jpeg_fragment_callback(uint8_t *buff_ptr, uint32_t buff_size); +static void receive_jpeg_callback(jpeg_event_t status); +static void receive_shutter_callback(); + +QualcommCameraHardware::QualcommCameraHardware() + : mParameters(), + mPreviewHeight(-1), + mPreviewWidth(-1), + mRawHeight(-1), + mRawWidth(-1), + mCameraRunning(false), + mPreviewInitialized(false), + mFrameThreadRunning(false), + mSnapshotThreadRunning(false), + mReleasedRecordingFrame(false), + mShutterCallback(0), + mRawPictureCallback(0), + mJpegPictureCallback(0), + mPictureCallbackCookie(0), + mAutoFocusCallback(0), + mAutoFocusCallbackCookie(0), + mPreviewCallback(0), + mPreviewCallbackCookie(0), + mRecordingCallback(0), + mRecordingCallbackCookie(0), + mPreviewFrameSize(0), + mRawSize(0), + mCameraControlFd(-1), + mAutoFocusThreadRunning(false), + mAutoFocusFd(-1), + mInPreviewCallback(false) +{ + memset(&mDimension, 0, sizeof(mDimension)); + memset(&mCrop, 0, sizeof(mCrop)); + LOGV("constructor EX"); +} + +void QualcommCameraHardware::initDefaultParameters() +{ + CameraParameters p; + + LOGV("initDefaultParameters E"); + + preview_size_type *ps = &preview_sizes[DEFAULT_PREVIEW_SETTING]; + p.setPreviewSize(ps->width, ps->height); + p.setPreviewFrameRate(15); + p.setPreviewFormat("yuv420sp"); // informative + p.setPictureFormat("jpeg"); // informative + + p.set("jpeg-thumbnail-width", THUMBNAIL_WIDTH_STR); // informative + p.set("jpeg-thumbnail-height", THUMBNAIL_HEIGHT_STR); // informative + p.set("jpeg-thumbnail-quality", "90"); + + p.setPictureSize(DEFAULT_PICTURE_WIDTH, DEFAULT_PICTURE_HEIGHT); + p.set("antibanding", + /* FIXME: + * CAMERA_ANTIBANDING_60HZ broke the barcode scanner somehow. turn it + * off and revert it back to off for now until we figure out what is + * the best solution. + */ + "off" /*"60hz" */); + p.set("effect", "off"); + p.set("whitebalance", "auto"); + +#if 0 + p.set("gps-timestamp", "1199145600"); // Jan 1, 2008, 00:00:00 + p.set("gps-latitude", "37.736071"); // A little house in San Francisco + p.set("gps-longitude", "-122.441983"); + p.set("gps-altitude", "21"); // meters +#endif + + // This will happen only one in the lifetime of the mediaserver process. + // We do not free the _values arrays when we destroy the camera object. + INIT_VALUES_FOR(antibanding); + INIT_VALUES_FOR(effect); + INIT_VALUES_FOR(whitebalance); + + p.set("antibanding-values", antibanding_values); + p.set("effect-values", effect_values); + p.set("whitebalance-values", whitebalance_values); + p.set("picture-size-values", "2048x1536,1600x1200,1024x768"); + + if (setParameters(p) != NO_ERROR) { + LOGE("Failed to set default parameters?!"); + } + + LOGV("initDefaultParameters X"); +} + +#define ROUND_TO_PAGE(x) (((x)+0xfff)&~0xfff) + +void QualcommCameraHardware::startCamera() +{ + LOGV("startCamera E"); +#if DLOPEN_LIBMMCAMERA + libmmcamera = ::dlopen("libqcamera.so", RTLD_NOW); + LOGV("loading libqcamera at %p", libmmcamera); + if (!libmmcamera) { + LOGE("FATAL ERROR: could not dlopen libqcamera.so: %s", dlerror()); + return; + } + + *(void **)&LINK_cam_frame = + ::dlsym(libmmcamera, "cam_frame"); + *(void **)&LINK_camframe_terminate = + ::dlsym(libmmcamera, "camframe_terminate"); + + *(void **)&LINK_jpeg_encoder_init = + ::dlsym(libmmcamera, "jpeg_encoder_init"); + + *(void **)&LINK_jpeg_encoder_encode = + ::dlsym(libmmcamera, "jpeg_encoder_encode"); + + *(void **)&LINK_jpeg_encoder_join = + ::dlsym(libmmcamera, "jpeg_encoder_join"); + + *(void **)&LINK_mmcamera_camframe_callback = + ::dlsym(libmmcamera, "mmcamera_camframe_callback"); + + *LINK_mmcamera_camframe_callback = receive_camframe_callback; + + *(void **)&LINK_mmcamera_jpegfragment_callback = + ::dlsym(libmmcamera, "mmcamera_jpegfragment_callback"); + + *LINK_mmcamera_jpegfragment_callback = receive_jpeg_fragment_callback; + + *(void **)&LINK_mmcamera_jpeg_callback = + ::dlsym(libmmcamera, "mmcamera_jpeg_callback"); + + *LINK_mmcamera_jpeg_callback = receive_jpeg_callback; + + *(void **)&LINK_mmcamera_shutter_callback = + ::dlsym(libmmcamera, "mmcamera_shutter_callback"); + + *LINK_mmcamera_shutter_callback = receive_shutter_callback; + + *(void**)&LINK_jpeg_encoder_setMainImageQuality = + ::dlsym(libmmcamera, "jpeg_encoder_setMainImageQuality"); + + *(void**)&LINK_jpeg_encoder_setThumbnailQuality = + ::dlsym(libmmcamera, "jpeg_encoder_setThumbnailQuality"); + + *(void**)&LINK_jpeg_encoder_setRotation = + ::dlsym(libmmcamera, "jpeg_encoder_setRotation"); + + *(void**)&LINK_jpeg_encoder_setLocation = + ::dlsym(libmmcamera, "jpeg_encoder_setLocation"); + + *(void **)&LINK_cam_conf = + ::dlsym(libmmcamera, "cam_conf"); +#else + mmcamera_camframe_callback = receive_camframe_callback; + mmcamera_jpegfragment_callback = receive_jpeg_fragment_callback; + mmcamera_jpeg_callback = receive_jpeg_callback; + mmcamera_shutter_callback = receive_shutter_callback; +#endif // DLOPEN_LIBMMCAMERA + + /* The control thread is in libcamera itself. */ + mCameraControlFd = open(MSM_CAMERA_CONTROL, O_RDWR); + if (mCameraControlFd < 0) { + LOGE("startCamera X: %s open failed: %s!", + MSM_CAMERA_CONTROL, + strerror(errno)); + return; + } + + pthread_create(&mCamConfigThread, NULL, + LINK_cam_conf, NULL); + + LOGV("startCamera X"); +} + +status_t QualcommCameraHardware::dump(int fd, + const Vector& args) const +{ + const size_t SIZE = 256; + char buffer[SIZE]; + String8 result; + + // Dump internal primitives. + result.append("QualcommCameraHardware::dump"); + snprintf(buffer, 255, "preview width(%d) x height (%d)\n", + mPreviewWidth, mPreviewHeight); + result.append(buffer); + snprintf(buffer, 255, "raw width(%d) x height (%d)\n", + mRawWidth, mRawHeight); + result.append(buffer); + snprintf(buffer, 255, + "preview frame size(%d), raw size (%d), jpeg size (%d) " + "and jpeg max size (%d)\n", mPreviewFrameSize, mRawSize, + mJpegSize, mJpegMaxSize); + result.append(buffer); + write(fd, result.string(), result.size()); + + // Dump internal objects. + if (mPreviewHeap != 0) { + mPreviewHeap->dump(fd, args); + } + if (mRawHeap != 0) { + mRawHeap->dump(fd, args); + } + if (mJpegHeap != 0) { + mJpegHeap->dump(fd, args); + } + mParameters.dump(fd, args); + return NO_ERROR; +} + +static bool native_set_afmode(int camfd, isp3a_af_mode_t af_type) +{ + int rc; + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = CAMERA_SET_PARM_AUTO_FOCUS; + ctrlCmd.length = sizeof(af_type); + ctrlCmd.value = &af_type; + ctrlCmd.resp_fd = camfd; // FIXME: this will be put in by the kernel + + if ((rc = ioctl(camfd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd)) < 0) + LOGE("native_set_afmode: ioctl fd %d error %s\n", + camfd, + strerror(errno)); + + LOGV("native_set_afmode: ctrlCmd.status == %d\n", ctrlCmd.status); + return rc >= 0 && ctrlCmd.status == CAMERA_EXIT_CB_DONE; +} + +static bool native_cancel_afmode(int camfd, int af_fd) +{ + int rc; + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = CAMERA_AUTO_FOCUS_CANCEL; + ctrlCmd.length = 0; + ctrlCmd.resp_fd = af_fd; + + if ((rc = ioctl(camfd, MSM_CAM_IOCTL_CTRL_COMMAND_2, &ctrlCmd)) < 0) + LOGE("native_cancel_afmode: ioctl fd %d error %s\n", + camfd, + strerror(errno)); + return rc >= 0; +} + +static bool native_start_preview(int camfd) +{ + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = CAMERA_START_PREVIEW; + ctrlCmd.length = 0; + ctrlCmd.resp_fd = camfd; // FIXME: this will be put in by the kernel + + if (ioctl(camfd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd) < 0) { + LOGE("native_start_preview: MSM_CAM_IOCTL_CTRL_COMMAND fd %d error %s", + camfd, + strerror(errno)); + return false; + } + + return true; +} + +static bool native_get_picture (int camfd, common_crop_t *crop) +{ + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.length = sizeof(common_crop_t); + ctrlCmd.value = crop; + + if(ioctl(camfd, MSM_CAM_IOCTL_GET_PICTURE, &ctrlCmd) < 0) { + LOGE("native_get_picture: MSM_CAM_IOCTL_GET_PICTURE fd %d error %s", + camfd, + strerror(errno)); + return false; + } + + LOGV("crop: in1_w %d", crop->in1_w); + LOGV("crop: in1_h %d", crop->in1_h); + LOGV("crop: out1_w %d", crop->out1_w); + LOGV("crop: out1_h %d", crop->out1_h); + + LOGV("crop: in2_w %d", crop->in2_w); + LOGV("crop: in2_h %d", crop->in2_h); + LOGV("crop: out2_w %d", crop->out2_w); + LOGV("crop: out2_h %d", crop->out2_h); + + LOGV("crop: update %d", crop->update_flag); + + return true; +} + +static bool native_stop_preview(int camfd) +{ + struct msm_ctrl_cmd ctrlCmd; + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = CAMERA_STOP_PREVIEW; + ctrlCmd.length = 0; + ctrlCmd.resp_fd = camfd; // FIXME: this will be put in by the kernel + + if(ioctl(camfd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd) < 0) { + LOGE("native_stop_preview: ioctl fd %d error %s", + camfd, + strerror(errno)); + return false; + } + + return true; +} + +static bool native_start_snapshot(int camfd) +{ + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = CAMERA_START_SNAPSHOT; + ctrlCmd.length = 0; + ctrlCmd.resp_fd = camfd; // FIXME: this will be put in by the kernel + + if(ioctl(camfd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd) < 0) { + LOGE("native_start_snapshot: ioctl fd %d error %s", + camfd, + strerror(errno)); + return false; + } + + return true; +} + +static bool native_stop_snapshot (int camfd) +{ + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = CAMERA_STOP_SNAPSHOT; + ctrlCmd.length = 0; + ctrlCmd.resp_fd = camfd; // FIXME: this will be put in by the kernel + + if (ioctl(camfd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd) < 0) { + LOGE("native_stop_snapshot: ioctl fd %d error %s", + camfd, + strerror(errno)); + return false; + } + + return true; +} + +bool QualcommCameraHardware::native_jpeg_encode(void) +{ + int jpeg_quality = mParameters.getInt("jpeg-quality"); + if (jpeg_quality >= 0) { + LOGV("native_jpeg_encode, current jpeg main img quality =%d", + jpeg_quality); + if(!LINK_jpeg_encoder_setMainImageQuality(jpeg_quality)) { + LOGE("native_jpeg_encode set jpeg-quality failed"); + return false; + } + } + + int thumbnail_quality = mParameters.getInt("jpeg-thumbnail-quality"); + if (thumbnail_quality >= 0) { + LOGV("native_jpeg_encode, current jpeg thumbnail quality =%d", + thumbnail_quality); + if(!LINK_jpeg_encoder_setThumbnailQuality(thumbnail_quality)) { + LOGE("native_jpeg_encode set thumbnail-quality failed"); + return false; + } + } + + int rotation = mParameters.getInt("rotation"); + if (rotation >= 0) { + LOGV("native_jpeg_encode, rotation = %d", rotation); + if(!LINK_jpeg_encoder_setRotation(rotation)) { + LOGE("native_jpeg_encode set rotation failed"); + return false; + } + } + + jpeg_set_location(); + + if (!LINK_jpeg_encoder_encode(&mDimension, + (uint8_t *)mThumbnailHeap->mHeap->base(), + mThumbnailHeap->mHeap->getHeapID(), + (uint8_t *)mRawHeap->mHeap->base(), + mRawHeap->mHeap->getHeapID(), + &mCrop)) { + LOGE("native_jpeg_encode: jpeg_encoder_encode failed."); + return false; + } + return true; +} + +bool QualcommCameraHardware::native_set_dimension(cam_ctrl_dimension_t *value) +{ + return native_set_parm(CAMERA_SET_PARM_DIMENSION, + sizeof(cam_ctrl_dimension_t), value); +} + +bool QualcommCameraHardware::native_set_parm( + cam_ctrl_type type, uint16_t length, void *value) +{ + int rc = true; + struct msm_ctrl_cmd ctrlCmd; + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.type = (uint16_t)type; + ctrlCmd.length = length; + // FIXME: this will be put in by the kernel + ctrlCmd.resp_fd = mCameraControlFd; + ctrlCmd.value = value; + + LOGV("native_set_parm. camfd=%d, type=%d, length=%d", + mCameraControlFd, type, length); + rc = ioctl(mCameraControlFd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd); + if(rc < 0 || ctrlCmd.status != CAM_CTRL_SUCCESS) { + LOGE("ioctl error. camfd=%d, type=%d, length=%d, rc=%d, ctrlCmd.status=%d, %s", + mCameraControlFd, type, length, rc, ctrlCmd.status, strerror(errno)); + return false; + } + return true; +} + +void QualcommCameraHardware::jpeg_set_location() +{ + bool encode_location = true; + camera_position_type pt; + +#define PARSE_LOCATION(what,type,fmt,desc) do { \ + pt.what = 0; \ + const char *what##_str = mParameters.get("gps-"#what); \ + LOGV("GPS PARM %s --> [%s]", "gps-"#what, what##_str); \ + if (what##_str) { \ + type what = 0; \ + if (sscanf(what##_str, fmt, &what) == 1) \ + pt.what = what; \ + else { \ + LOGE("GPS " #what " %s could not" \ + " be parsed as a " #desc, what##_str); \ + encode_location = false; \ + } \ + } \ + else { \ + LOGV("GPS " #what " not specified: " \ + "defaulting to zero in EXIF header."); \ + encode_location = false; \ + } \ + } while(0) + + PARSE_LOCATION(timestamp, long, "%ld", "long"); + if (!pt.timestamp) pt.timestamp = time(NULL); + PARSE_LOCATION(altitude, short, "%hd", "short"); + PARSE_LOCATION(latitude, double, "%lf", "double float"); + PARSE_LOCATION(longitude, double, "%lf", "double float"); + +#undef PARSE_LOCATION + + if (encode_location) { + LOGD("setting image location ALT %d LAT %lf LON %lf", + pt.altitude, pt.latitude, pt.longitude); + if (!LINK_jpeg_encoder_setLocation(&pt)) { + LOGE("jpeg_set_location: LINK_jpeg_encoder_setLocation failed."); + } + } + else LOGV("not setting image location"); +} + +void QualcommCameraHardware::runFrameThread(void *data) +{ + LOGV("runFrameThread E"); + + int cnt; + +#if DLOPEN_LIBMMCAMERA + // We need to maintain a reference to libqcamera.so for the duration of the + // frame thread, because we do not know when it will exit relative to the + // lifetime of this object. We do not want to dlclose() libqcamera while + // LINK_cam_frame is still running. + void *libhandle = ::dlopen("libqcamera.so", RTLD_NOW); + LOGV("FRAME: loading libqcamera at %p", libhandle); + if (!libhandle) { + LOGE("FATAL ERROR: could not dlopen libqcamera.so: %s", dlerror()); + } + if (libhandle) +#endif + { + LINK_cam_frame(data); + } + + mPreviewHeap.clear(); + +#if DLOPEN_LIBMMCAMERA + if (libhandle) { + ::dlclose(libhandle); + LOGV("FRAME: dlclose(libqcamera)"); + } +#endif + + mFrameThreadWaitLock.lock(); + mFrameThreadRunning = false; + mFrameThreadWait.signal(); + mFrameThreadWaitLock.unlock(); + + LOGV("runFrameThread X"); +} + +void *frame_thread(void *user) +{ + LOGD("frame_thread E"); + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->runFrameThread(user); + } + else LOGW("not starting frame thread: the object went away!"); + LOGD("frame_thread X"); + return NULL; +} + +bool QualcommCameraHardware::initPreview() +{ + // See comments in deinitPreview() for why we have to wait for the frame + // thread here, and why we can't use pthread_join(). + LOGI("initPreview E: preview size=%dx%d", mPreviewWidth, mPreviewHeight); + mFrameThreadWaitLock.lock(); + while (mFrameThreadRunning) { + LOGV("initPreview: waiting for old frame thread to complete."); + mFrameThreadWait.wait(mFrameThreadWaitLock); + LOGV("initPreview: old frame thread completed."); + } + mFrameThreadWaitLock.unlock(); + + mSnapshotThreadWaitLock.lock(); + while (mSnapshotThreadRunning) { + LOGV("initPreview: waiting for old snapshot thread to complete."); + mSnapshotThreadWait.wait(mSnapshotThreadWaitLock); + LOGV("initPreview: old snapshot thread completed."); + } + mSnapshotThreadWaitLock.unlock(); + + int cnt = 0; + mPreviewFrameSize = mPreviewWidth * mPreviewHeight * 3/2; + mPreviewHeap = new PmemPool("/dev/pmem_adsp", + mCameraControlFd, + MSM_PMEM_OUTPUT2, + mPreviewFrameSize, + kPreviewBufferCount, + mPreviewFrameSize, + 0, + "preview"); + + if (!mPreviewHeap->initialized()) { + mPreviewHeap.clear(); + LOGE("initPreview X: could not initialize preview heap."); + return false; + } + + mDimension.picture_width = DEFAULT_PICTURE_WIDTH; + mDimension.picture_height = DEFAULT_PICTURE_HEIGHT; + + bool ret = native_set_dimension(&mDimension); + + if (ret) { + for (cnt = 0; cnt < kPreviewBufferCount; cnt++) { + frames[cnt].fd = mPreviewHeap->mHeap->getHeapID(); + frames[cnt].buffer = + (uint32_t)mPreviewHeap->mHeap->base() + mPreviewFrameSize * cnt; + frames[cnt].y_off = 0; + frames[cnt].cbcr_off = mPreviewWidth * mPreviewHeight; + frames[cnt].path = MSM_FRAME_ENC; + } + + mFrameThreadWaitLock.lock(); + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + mFrameThreadRunning = !pthread_create(&mFrameThread, + &attr, + frame_thread, + &frames[kPreviewBufferCount-1]); + ret = mFrameThreadRunning; + mFrameThreadWaitLock.unlock(); + } + + LOGV("initPreview X: %d", ret); + return ret; +} + +void QualcommCameraHardware::deinitPreview(void) +{ + LOGI("deinitPreview E"); + + // When we call deinitPreview(), we signal to the frame thread that it + // needs to exit, but we DO NOT WAIT for it to complete here. The problem + // is that deinitPreview is sometimes called from the frame-thread's + // callback, when the refcount on the Camera client reaches zero. If we + // called pthread_join(), we would deadlock. So, we just call + // LINK_camframe_terminate() in deinitPreview(), which makes sure that + // after the preview callback returns, the camframe thread will exit. We + // could call pthread_join() in initPreview() to join the last frame + // thread. However, we would also have to call pthread_join() in release + // as well, shortly before we destoy the object; this would cause the same + // deadlock, since release(), like deinitPreview(), may also be called from + // the frame-thread's callback. This we have to make the frame thread + // detached, and use a separate mechanism to wait for it to complete. + + if (LINK_camframe_terminate() < 0) + LOGE("failed to stop the camframe thread: %s", + strerror(errno)); + LOGI("deinitPreview X"); +} + +bool QualcommCameraHardware::initRaw(bool initJpegHeap) +{ + LOGV("initRaw E: picture size=%dx%d", + mRawWidth, mRawHeight); + + mDimension.picture_width = mRawWidth; + mDimension.picture_height = mRawHeight; + mRawSize = mRawWidth * mRawHeight * 3 / 2; + mJpegMaxSize = mRawWidth * mRawHeight * 3 / 2; + + if(!native_set_dimension(&mDimension)) { + LOGE("initRaw X: failed to set dimension"); + return false; + } + + if (mJpegHeap != NULL) { + LOGV("initRaw: clearing old mJpegHeap."); + mJpegHeap.clear(); + } + + // Snapshot + + LOGV("initRaw: initializing mRawHeap."); + mRawHeap = + new PmemPool("/dev/pmem_camera", + mCameraControlFd, + MSM_PMEM_MAINIMG, + mJpegMaxSize, + kRawBufferCount, + mRawSize, + 0, + "snapshot camera"); + + if (!mRawHeap->initialized()) { + LOGE("initRaw X failed with pmem_camera, trying with pmem_adsp"); + mRawHeap = + new PmemPool("/dev/pmem_adsp", + mCameraControlFd, + MSM_PMEM_MAINIMG, + mJpegMaxSize, + kRawBufferCount, + mRawSize, + 0, + "snapshot camera"); + if (!mRawHeap->initialized()) { + mRawHeap.clear(); + LOGE("initRaw X: error initializing mRawHeap"); + return false; + } + } + + LOGV("do_mmap snapshot pbuf = %p, pmem_fd = %d", + (uint8_t *)mRawHeap->mHeap->base(), mRawHeap->mHeap->getHeapID()); + + // Jpeg + + if (initJpegHeap) { + LOGV("initRaw: initializing mJpegHeap."); + mJpegHeap = + new AshmemPool(mJpegMaxSize, + kJpegBufferCount, + 0, // we do not know how big the picture wil be + 0, + "jpeg"); + + if (!mJpegHeap->initialized()) { + mJpegHeap.clear(); + mRawHeap.clear(); + LOGE("initRaw X failed: error initializing mJpegHeap."); + return false; + } + + // Thumbnails + + mThumbnailHeap = + new PmemPool("/dev/pmem_adsp", + mCameraControlFd, + MSM_PMEM_THUMBAIL, + THUMBNAIL_BUFFER_SIZE, + 1, + THUMBNAIL_BUFFER_SIZE, + 0, + "thumbnail"); + + if (!mThumbnailHeap->initialized()) { + mThumbnailHeap.clear(); + mJpegHeap.clear(); + mRawHeap.clear(); + LOGE("initRaw X failed: error initializing mThumbnailHeap."); + return false; + } + } + + LOGV("initRaw X"); + return true; +} + +void QualcommCameraHardware::deinitRaw() +{ + LOGV("deinitRaw E"); + + mThumbnailHeap.clear(); + mJpegHeap.clear(); + mRawHeap.clear(); + + LOGV("deinitRaw X"); +} + +void QualcommCameraHardware::release() +{ + LOGD("release E"); + Mutex::Autolock l(&mLock); + +#if DLOPEN_LIBMMCAMERA + if (libmmcamera == NULL) { + LOGE("ERROR: multiple release!"); + return; + } +#else +#warning "Cannot detect multiple release when not dlopen()ing libqcamera!" +#endif + + int cnt, rc; + struct msm_ctrl_cmd ctrlCmd; + + if (mCameraRunning) { + if(mRecordingCallback != NULL) { + mRecordFrameLock.lock(); + mReleasedRecordingFrame = true; + mRecordWait.signal(); + mRecordFrameLock.unlock(); + } + stopPreviewInternal(); + } + + LINK_jpeg_encoder_join(); + deinitRaw(); + + ctrlCmd.timeout_ms = 5000; + ctrlCmd.length = 0; + ctrlCmd.type = (uint16_t)CAMERA_EXIT; + ctrlCmd.resp_fd = mCameraControlFd; // FIXME: this will be put in by the kernel + if (ioctl(mCameraControlFd, MSM_CAM_IOCTL_CTRL_COMMAND, &ctrlCmd) < 0) + LOGE("ioctl CAMERA_EXIT fd %d error %s", + mCameraControlFd, strerror(errno)); + rc = pthread_join(mCamConfigThread, NULL); + if (rc) + LOGE("config_thread exit failure: %s", strerror(errno)); + else + LOGV("pthread_join succeeded on config_thread"); + + close(mCameraControlFd); + mCameraControlFd = -1; + +#if DLOPEN_LIBMMCAMERA + if (libmmcamera) { + ::dlclose(libmmcamera); + LOGV("dlclose(libqcamera)"); + libmmcamera = NULL; + } +#endif + + Mutex::Autolock lock(&singleton_lock); + singleton_releasing = true; + + LOGD("release X"); +} + +QualcommCameraHardware::~QualcommCameraHardware() +{ + LOGD("~QualcommCameraHardware E"); + Mutex::Autolock lock(&singleton_lock); + singleton.clear(); + singleton_releasing = false; + singleton_wait.signal(); + LOGD("~QualcommCameraHardware X"); +} + +sp QualcommCameraHardware::getRawHeap() const +{ + LOGV("getRawHeap"); + return mRawHeap != NULL ? mRawHeap->mHeap : NULL; +} + +sp QualcommCameraHardware::getPreviewHeap() const +{ + LOGV("getPreviewHeap"); + return mPreviewHeap != NULL ? mPreviewHeap->mHeap : NULL; +} + +status_t QualcommCameraHardware::startPreviewInternal() +{ + if(mCameraRunning) { + LOGV("startPreview X: preview already running."); + return NO_ERROR; + } + + if (!mPreviewInitialized) { + mPreviewInitialized = initPreview(); + if (!mPreviewInitialized) { + LOGE("startPreview X initPreview failed. Not starting preview."); + return UNKNOWN_ERROR; + } + } + + mCameraRunning = native_start_preview(mCameraControlFd); + if(!mCameraRunning) { + deinitPreview(); + mPreviewInitialized = false; + LOGE("startPreview X: native_start_preview failed!"); + return UNKNOWN_ERROR; + } + + LOGV("startPreview X"); + return NO_ERROR; +} + +status_t QualcommCameraHardware::startPreview(preview_callback cb, void *user) +{ + LOGV("startPreview E"); + Mutex::Autolock l(&mLock); + + { + Mutex::Autolock cbLock(&mCallbackLock); + mPreviewCallback = cb; + mPreviewCallbackCookie = user; + } + + return startPreviewInternal(); +} + +void QualcommCameraHardware::stopPreviewInternal() +{ + LOGV("stopPreviewInternal E: %d", mCameraRunning); + if (mCameraRunning) { + // Cancel auto focus. + if (mAutoFocusCallback) { + { + Mutex::Autolock cbLock(&mCallbackLock); + mAutoFocusCallback = NULL; + mAutoFocusCallbackCookie = NULL; + } + cancelAutoFocus(); + } + + mCameraRunning = !native_stop_preview(mCameraControlFd); + if (!mCameraRunning && mPreviewInitialized) { + deinitPreview(); + mPreviewInitialized = false; + } + else LOGE("stopPreviewInternal: failed to stop preview"); + } + LOGV("stopPreviewInternal X: %d", mCameraRunning); +} + +void QualcommCameraHardware::stopPreview() +{ + LOGV("stopPreview: E"); + Mutex::Autolock l(&mLock); + + { + Mutex::Autolock cbLock(&mCallbackLock); + mPreviewCallback = NULL; + mPreviewCallbackCookie = NULL; + if(mRecordingCallback != NULL) + return; + } + + stopPreviewInternal(); + + LOGV("stopPreview: X"); +} + +void QualcommCameraHardware::runAutoFocus() +{ + mAutoFocusThreadLock.lock(); + mAutoFocusFd = open(MSM_CAMERA_CONTROL, O_RDWR); + if (mAutoFocusFd < 0) { + LOGE("autofocus: cannot open %s: %s", + MSM_CAMERA_CONTROL, + strerror(errno)); + mAutoFocusThreadRunning = false; + mAutoFocusThreadLock.unlock(); + return; + } + +#if DLOPEN_LIBMMCAMERA + // We need to maintain a reference to libqcamera.so for the duration of the + // AF thread, because we do not know when it will exit relative to the + // lifetime of this object. We do not want to dlclose() libqcamera while + // LINK_cam_frame is still running. + void *libhandle = ::dlopen("libqcamera.so", RTLD_NOW); + LOGV("AF: loading libqcamera at %p", libhandle); + if (!libhandle) { + LOGE("FATAL ERROR: could not dlopen libqcamera.so: %s", dlerror()); + close(mAutoFocusFd); + mAutoFocusFd = -1; + mAutoFocusThreadRunning = false; + mAutoFocusThreadLock.unlock(); + return; + } +#endif + + /* This will block until either AF completes or is cancelled. */ + LOGV("af start (fd %d)", mAutoFocusFd); + bool status = native_set_afmode(mAutoFocusFd, AF_MODE_AUTO); + LOGV("af done: %d", (int)status); + mAutoFocusThreadRunning = false; + close(mAutoFocusFd); + mAutoFocusFd = -1; + mAutoFocusThreadLock.unlock(); + + mCallbackLock.lock(); + autofocus_callback cb = mAutoFocusCallback; + void *data = mAutoFocusCallbackCookie; + mCallbackLock.unlock(); + if (cb != NULL) + cb(status, data); + + mCallbackLock.lock(); + mAutoFocusCallback = NULL; + mAutoFocusCallbackCookie = NULL; + mCallbackLock.unlock(); + +#if DLOPEN_LIBMMCAMERA + if (libhandle) { + ::dlclose(libhandle); + LOGV("AF: dlclose(libqcamera)"); + } +#endif +} + +void QualcommCameraHardware::cancelAutoFocus() +{ + LOGV("cancelAutoFocus E"); + native_cancel_afmode(mCameraControlFd, mAutoFocusFd); + LOGV("cancelAutoFocus X"); +} + +void *auto_focus_thread(void *user) +{ + LOGV("auto_focus_thread E"); + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->runAutoFocus(); + } + else LOGW("not starting autofocus: the object went away!"); + LOGV("auto_focus_thread X"); + return NULL; +} + +status_t QualcommCameraHardware::autoFocus(autofocus_callback af_cb, + void *user) +{ + LOGV("autoFocus E"); + Mutex::Autolock l(&mLock); + + if (mCameraControlFd < 0) { + LOGE("not starting autofocus: main control fd %d", mCameraControlFd); + return UNKNOWN_ERROR; + } + + if (mAutoFocusCallback != NULL) { + LOGW("Auto focus is already in progress"); + return mAutoFocusCallback == af_cb ? NO_ERROR : INVALID_OPERATION; + } + + { + Mutex::Autolock cbl(&mCallbackLock); + mAutoFocusCallback = af_cb; + mAutoFocusCallbackCookie = user; + } + + { + mAutoFocusThreadLock.lock(); + if (!mAutoFocusThreadRunning) { + // Create a detatched thread here so that we don't have to wait + // for it when we cancel AF. + pthread_t thr; + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + mAutoFocusThreadRunning = + !pthread_create(&thr, &attr, + auto_focus_thread, NULL); + if (!mAutoFocusThreadRunning) { + LOGE("failed to start autofocus thread"); + mAutoFocusThreadLock.unlock(); + return UNKNOWN_ERROR; + } + } + mAutoFocusThreadLock.unlock(); + } + + LOGV("autoFocus X"); + return NO_ERROR; +} + +void QualcommCameraHardware::runSnapshotThread(void *data) +{ + LOGV("runSnapshotThread E"); + if (native_start_snapshot(mCameraControlFd)) + receiveRawPicture(); + else + LOGE("main: native_start_snapshot failed!"); + + mSnapshotThreadWaitLock.lock(); + mSnapshotThreadRunning = false; + mSnapshotThreadWait.signal(); + mSnapshotThreadWaitLock.unlock(); + + LOGV("runSnapshotThread X"); +} + +void *snapshot_thread(void *user) +{ + LOGD("snapshot_thread E"); + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->runSnapshotThread(user); + } + else LOGW("not starting snapshot thread: the object went away!"); + LOGD("snapshot_thread X"); + return NULL; +} + +status_t QualcommCameraHardware::takePicture(shutter_callback shutter_cb, + raw_callback raw_cb, + jpeg_callback jpeg_cb, + void *user) +{ + LOGV("takePicture: E raw_cb = %p, jpeg_cb = %p", + raw_cb, jpeg_cb); + Mutex::Autolock l(&mLock); + + // Wait for old snapshot thread to complete. + mSnapshotThreadWaitLock.lock(); + while (mSnapshotThreadRunning) { + LOGV("takePicture: waiting for old snapshot thread to complete."); + mSnapshotThreadWait.wait(mSnapshotThreadWaitLock); + LOGV("takePicture: old snapshot thread completed."); + } + + stopPreviewInternal(); + + if (!initRaw(jpeg_cb != NULL)) { + LOGE("initRaw failed. Not taking picture."); + return UNKNOWN_ERROR; + } + + { + Mutex::Autolock cbLock(&mCallbackLock); + mShutterCallback = shutter_cb; + mRawPictureCallback = raw_cb; + mJpegPictureCallback = jpeg_cb; + mPictureCallbackCookie = user; + } + + mShutterLock.lock(); + mShutterPending = true; + mShutterLock.unlock(); + + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + mSnapshotThreadRunning = !pthread_create(&mSnapshotThread, + &attr, + snapshot_thread, + NULL); + mSnapshotThreadWaitLock.unlock(); + + LOGV("takePicture: X"); + return mSnapshotThreadRunning ? NO_ERROR : UNKNOWN_ERROR; +} + +status_t QualcommCameraHardware::cancelPicture( + bool cancel_shutter, bool cancel_raw, bool cancel_jpeg) +{ + LOGV("cancelPicture: E cancel_shutter = %d, " + "cancel_raw = %d, cancel_jpeg = %d", + cancel_shutter, cancel_raw, cancel_jpeg); + Mutex::Autolock l(&mLock); + + { + Mutex::Autolock cbLock(&mCallbackLock); + if (cancel_shutter) mShutterCallback = NULL; + if (cancel_raw) mRawPictureCallback = NULL; + if (cancel_jpeg) mJpegPictureCallback = NULL; + } + + LOGV("cancelPicture: X"); + return NO_ERROR; +} + +status_t QualcommCameraHardware::setParameters( + const CameraParameters& params) +{ + LOGV("setParameters: E params = %p", ¶ms); + + Mutex::Autolock l(&mLock); + + // Set preview size. + preview_size_type *ps = preview_sizes; + { + int width, height; + params.getPreviewSize(&width, &height); + LOGV("requested size %d x %d", width, height); + // Validate the preview size + size_t i; + for (i = 0; i < PREVIEW_SIZE_COUNT; ++i, ++ps) { + if (width == ps->width && height == ps->height) + break; + } + if (i == PREVIEW_SIZE_COUNT) { + LOGE("Invalid preview size requested: %dx%d", + width, height); + return BAD_VALUE; + } + } + mPreviewWidth = mDimension.display_width = ps->width; + mPreviewHeight = mDimension.display_height = ps->height; + + // FIXME: validate snapshot sizes, + params.getPictureSize(&mRawWidth, &mRawHeight); + mDimension.picture_width = mRawWidth; + mDimension.picture_height = mRawHeight; + + // Set up the jpeg-thumbnail-size parameters. + { + int val; + + val = params.getInt("jpeg-thumbnail-width"); + if (val < 0) { + mDimension.ui_thumbnail_width= THUMBNAIL_WIDTH; + LOGW("jpeg-thumbnail-width is not specified: defaulting to %d", + THUMBNAIL_WIDTH); + } + else mDimension.ui_thumbnail_width = val; + + val = params.getInt("jpeg-thumbnail-height"); + if (val < 0) { + mDimension.ui_thumbnail_height= THUMBNAIL_HEIGHT; + LOGW("jpeg-thumbnail-height is not specified: defaulting to %d", + THUMBNAIL_HEIGHT); + } + else mDimension.ui_thumbnail_height = val; + } + + mParameters = params; + + setAntibanding(); + setEffect(); + setWhiteBalance(); + // FIXME: set nightshot and luma adaptatiom + + LOGV("setParameters: X"); + return NO_ERROR ; +} + +CameraParameters QualcommCameraHardware::getParameters() const +{ + LOGV("getParameters: EX"); + return mParameters; +} + +extern "C" sp openCameraHardware() +{ + LOGV("openCameraHardware: call createInstance"); + return QualcommCameraHardware::createInstance(); +} + +wp QualcommCameraHardware::singleton; + +// If the hardware already exists, return a strong pointer to the current +// object. If not, create a new hardware object, put it in the singleton, +// and return it. +sp QualcommCameraHardware::createInstance() +{ + LOGD("createInstance: E"); + + Mutex::Autolock lock(&singleton_lock); + + // Wait until the previous release is done. + while (singleton_releasing) { + LOGD("Wait for previous release."); + singleton_wait.wait(singleton_lock); + } + + if (singleton != 0) { + sp hardware = singleton.promote(); + if (hardware != 0) { + LOGD("createInstance: X return existing hardware=%p", &(*hardware)); + return hardware; + } + } + + { + struct stat st; + int rc = stat("/dev/oncrpc", &st); + if (rc < 0) { + LOGD("createInstance: X failed to create hardware: %s", strerror(errno)); + return NULL; + } + } + + QualcommCameraHardware *cam = new QualcommCameraHardware(); + sp hardware(cam); + singleton = hardware; + + cam->startCamera(); + cam->initDefaultParameters(); + LOGD("createInstance: X created hardware=%p", &(*hardware)); + return hardware; +} + +// For internal use only, hence the strong pointer to the derived type. +sp QualcommCameraHardware::getInstance() +{ + sp hardware = singleton.promote(); + if (hardware != 0) { + // LOGV("getInstance: X old instance of hardware"); + return sp(static_cast(hardware.get())); + } else { + LOGV("getInstance: X new instance of hardware"); + return sp(); + } +} + +void QualcommCameraHardware::receivePreviewFrame(struct msm_frame *frame) +{ +// LOGV("receivePreviewFrame E"); + + if (!mCameraRunning) { + LOGE("ignoring preview callback--camera has been stopped"); + return; + } + + mCallbackLock.lock(); + preview_callback pcb = mPreviewCallback; + void *pdata = mPreviewCallbackCookie; + recording_callback rcb = mRecordingCallback; + void *rdata = mRecordingCallbackCookie; + mCallbackLock.unlock(); + + // Find the offset within the heap of the current buffer. + ssize_t offset = + (ssize_t)frame->buffer - (ssize_t)mPreviewHeap->mHeap->base(); + offset /= mPreviewFrameSize; + + //LOGV("%d\n", offset); + + mInPreviewCallback = true; + if (pcb != NULL) + pcb(mPreviewHeap->mBuffers[offset], + pdata); + + if(rcb != NULL) { + Mutex::Autolock rLock(&mRecordFrameLock); + rcb(systemTime(), mPreviewHeap->mBuffers[offset], rdata); + if (mReleasedRecordingFrame != true) { + LOGV("block for release frame request/command"); + mRecordWait.wait(mRecordFrameLock); + } + mReleasedRecordingFrame = false; + } + mInPreviewCallback = false; + +// LOGV("receivePreviewFrame X"); +} + +status_t QualcommCameraHardware::startRecording( + recording_callback rcb, void *ruser) +{ + LOGV("startRecording E"); + Mutex::Autolock l(&mLock); + + { + Mutex::Autolock cbLock(&mCallbackLock); + mRecordingCallback = rcb; + mRecordingCallbackCookie = ruser; + } + + mReleasedRecordingFrame = false; + + return startPreviewInternal(); +} + +void QualcommCameraHardware::stopRecording() +{ + LOGV("stopRecording: E"); + Mutex::Autolock l(&mLock); + + { + Mutex::Autolock cbLock(&mCallbackLock); + mRecordingCallback = NULL; + mRecordingCallbackCookie = NULL; + + mRecordFrameLock.lock(); + mReleasedRecordingFrame = true; + mRecordWait.signal(); + mRecordFrameLock.unlock(); + + if(mPreviewCallback != NULL) { + LOGV("stopRecording: X, preview still in progress"); + return; + } + } + + stopPreviewInternal(); + LOGV("stopRecording: X"); +} + +void QualcommCameraHardware::releaseRecordingFrame( + const sp& mem __attribute__((unused))) +{ + LOGV("releaseRecordingFrame E"); + Mutex::Autolock l(&mLock); + Mutex::Autolock rLock(&mRecordFrameLock); + mReleasedRecordingFrame = true; + mRecordWait.signal(); + LOGV("releaseRecordingFrame X"); +} + +bool QualcommCameraHardware::recordingEnabled() +{ + Mutex::Autolock l(&mLock); + return mCameraRunning && mRecordingCallback != NULL; +} + +void QualcommCameraHardware::notifyShutter() +{ + mShutterLock.lock(); + if (mShutterPending && mShutterCallback) { + mShutterCallback(mPictureCallbackCookie); + mShutterPending = false; + } + mShutterLock.unlock(); +} + +static void receive_shutter_callback() +{ + LOGV("receive_shutter_callback: E"); + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->notifyShutter(); + } + LOGV("receive_shutter_callback: X"); +} + +void QualcommCameraHardware::receiveRawPicture() +{ + LOGV("receiveRawPicture: E"); + + Mutex::Autolock cbLock(&mCallbackLock); + + if (mRawPictureCallback != NULL) { + if(native_get_picture(mCameraControlFd, &mCrop) == false) { + LOGE("getPicture failed!"); + return; + } + + // By the time native_get_picture returns, picture is taken. Call + // shutter callback if cam config thread has not done that. + notifyShutter(); + mRawPictureCallback(mRawHeap->mBuffers[0], + mPictureCallbackCookie); + } + else LOGV("Raw-picture callback was canceled--skipping."); + + if (mJpegPictureCallback != NULL) { + mJpegSize = 0; + if (LINK_jpeg_encoder_init()) { + if(native_jpeg_encode()) { + LOGV("receiveRawPicture: X (success)"); + return; + } + LOGE("jpeg encoding failed"); + } + else LOGE("receiveRawPicture X: jpeg_encoder_init failed."); + } + else LOGV("JPEG callback is NULL, not encoding image."); + deinitRaw(); + LOGV("receiveRawPicture: X"); +} + +void QualcommCameraHardware::receiveJpegPictureFragment( + uint8_t *buff_ptr, uint32_t buff_size) +{ + uint32_t remaining = mJpegHeap->mHeap->virtualSize(); + remaining -= mJpegSize; + uint8_t *base = (uint8_t *)mJpegHeap->mHeap->base(); + + LOGV("receiveJpegPictureFragment size %d", buff_size); + if (buff_size > remaining) { + LOGE("receiveJpegPictureFragment: size %d exceeds what " + "remains in JPEG heap (%d), truncating", + buff_size, + remaining); + buff_size = remaining; + } + memcpy(base + mJpegSize, buff_ptr, buff_size); + mJpegSize += buff_size; +} + +void QualcommCameraHardware::receiveJpegPicture(void) +{ + LOGV("receiveJpegPicture: E image (%d uint8_ts out of %d)", + mJpegSize, mJpegHeap->mBufferSize); + Mutex::Autolock cbLock(&mCallbackLock); + + int index = 0, rc; + + if (mJpegPictureCallback) { + // The reason we do not allocate into mJpegHeap->mBuffers[offset] is + // that the JPEG image's size will probably change from one snapshot + // to the next, so we cannot reuse the MemoryBase object. + sp buffer = new + MemoryBase(mJpegHeap->mHeap, + index * mJpegHeap->mBufferSize + + mJpegHeap->mFrameOffset, + mJpegSize); + + mJpegPictureCallback(buffer, mPictureCallbackCookie); + buffer = NULL; + } + else LOGV("JPEG callback was cancelled--not delivering image."); + + LINK_jpeg_encoder_join(); + deinitRaw(); + + LOGV("receiveJpegPicture: X callback done."); +} + +bool QualcommCameraHardware::previewEnabled() +{ +// Mutex::Autolock l(&mLock); + return mCameraRunning && mPreviewCallback != NULL; +} + +int QualcommCameraHardware::getParm( + const char *parm_str, const struct str_map *const parm_map) +{ + // Check if the parameter exists. + const char *str = mParameters.get(parm_str); + if (str == NULL) return NOT_FOUND; + + // Look up the parameter value. + return attr_lookup(parm_map, str); +} + +void QualcommCameraHardware::setEffect() +{ + int32_t value = getParm("effect", effect); + if (value != NOT_FOUND) { + native_set_parm(CAMERA_SET_PARM_EFFECT, sizeof(value), (void *)&value); + } +} + +void QualcommCameraHardware::setWhiteBalance() +{ + int32_t value = getParm("whitebalance", whitebalance); + if (value != NOT_FOUND) { + native_set_parm(CAMERA_SET_PARM_WB, sizeof(value), (void *)&value); + } +} + +void QualcommCameraHardware::setAntibanding() +{ + camera_antibanding_type value = + (camera_antibanding_type) getParm("antibanding", antibanding); + native_set_parm(CAMERA_SET_PARM_ANTIBANDING, sizeof(value), (void *)&value); +} + +QualcommCameraHardware::MemPool::MemPool(int buffer_size, int num_buffers, + int frame_size, + int frame_offset, + const char *name) : + mBufferSize(buffer_size), + mNumBuffers(num_buffers), + mFrameSize(frame_size), + mFrameOffset(frame_offset), + mBuffers(NULL), mName(name) +{ + // empty +} + +void QualcommCameraHardware::MemPool::completeInitialization() +{ + // If we do not know how big the frame will be, we wait to allocate + // the buffers describing the individual frames until we do know their + // size. + + if (mFrameSize > 0) { + mBuffers = new sp[mNumBuffers]; + for (int i = 0; i < mNumBuffers; i++) { + mBuffers[i] = new + MemoryBase(mHeap, + i * mBufferSize + mFrameOffset, + mFrameSize); + } + } +} + +QualcommCameraHardware::AshmemPool::AshmemPool(int buffer_size, int num_buffers, + int frame_size, + int frame_offset, + const char *name) : + QualcommCameraHardware::MemPool(buffer_size, + num_buffers, + frame_size, + frame_offset, + name) +{ + LOGV("constructing MemPool %s backed by ashmem: " + "%d frames @ %d uint8_ts, offset %d, " + "buffer size %d", + mName, + num_buffers, frame_size, frame_offset, buffer_size); + + int page_mask = getpagesize() - 1; + int ashmem_size = buffer_size * num_buffers; + ashmem_size += page_mask; + ashmem_size &= ~page_mask; + + mHeap = new MemoryHeapBase(ashmem_size); + + completeInitialization(); +} + +static bool register_buf(int camfd, + int size, + int pmempreviewfd, + uint32_t offset, + uint8_t *buf, + int pmem_type, + bool register_buffer = true); + +QualcommCameraHardware::PmemPool::PmemPool(const char *pmem_pool, + int camera_control_fd, + int pmem_type, + int buffer_size, int num_buffers, + int frame_size, + int frame_offset, + const char *name) : + QualcommCameraHardware::MemPool(buffer_size, + num_buffers, + frame_size, + frame_offset, + name), + mPmemType(pmem_type), + mCameraControlFd(dup(camera_control_fd)) +{ + LOGV("constructing MemPool %s backed by pmem pool %s: " + "%d frames @ %d bytes, offset %d, buffer size %d", + mName, + pmem_pool, num_buffers, frame_size, frame_offset, + buffer_size); + + LOGV("%s: duplicating control fd %d --> %d", + __FUNCTION__, + camera_control_fd, mCameraControlFd); + + // Make a new mmap'ed heap that can be shared across processes. + + mAlignedSize = clp2(buffer_size * num_buffers); + + sp masterHeap = + new MemoryHeapBase(pmem_pool, mAlignedSize, 0); + sp pmemHeap = new MemoryHeapPmem(masterHeap, 0); + if (pmemHeap->getHeapID() >= 0) { + pmemHeap->slap(); + masterHeap.clear(); + mHeap = pmemHeap; + pmemHeap.clear(); + + mFd = mHeap->getHeapID(); + if (::ioctl(mFd, PMEM_GET_SIZE, &mSize)) { + LOGE("pmem pool %s ioctl(PMEM_GET_SIZE) error %s (%d)", + pmem_pool, + ::strerror(errno), errno); + mHeap.clear(); + return; + } + + LOGV("pmem pool %s ioctl(fd = %d, PMEM_GET_SIZE) is %ld", + pmem_pool, + mFd, + mSize.len); + + // Unregister preview buffers with the camera drivers. + for (int cnt = 0; cnt < num_buffers; ++cnt) { + register_buf(mCameraControlFd, + buffer_size, + mHeap->getHeapID(), + buffer_size * cnt, + (uint8_t *)mHeap->base() + buffer_size * cnt, + pmem_type); + } + + completeInitialization(); + } + else LOGE("pmem pool %s error: could not create master heap!", + pmem_pool); +} + +QualcommCameraHardware::PmemPool::~PmemPool() +{ + LOGV("%s: %s E", __FUNCTION__, mName); + // Unregister preview buffers with the camera drivers. + for (int cnt = 0; cnt < mNumBuffers; ++cnt) { + register_buf(mCameraControlFd, + mBufferSize, + mHeap->getHeapID(), + mBufferSize * cnt, + (uint8_t *)mHeap->base() + mBufferSize * cnt, + mPmemType, + false /* unregister */); + } + LOGV("destroying PmemPool %s: closing control fd %d", + mName, + mCameraControlFd); + close(mCameraControlFd); + LOGV("%s: %s X", __FUNCTION__, mName); +} + +QualcommCameraHardware::MemPool::~MemPool() +{ + LOGV("destroying MemPool %s", mName); + if (mFrameSize > 0) + delete [] mBuffers; + mHeap.clear(); + LOGV("destroying MemPool %s completed", mName); +} + +static bool register_buf(int camfd, + int size, + int pmempreviewfd, + uint32_t offset, + uint8_t *buf, + int pmem_type, + bool register_buffer) +{ + struct msm_pmem_info pmemBuf; + + pmemBuf.type = pmem_type; + pmemBuf.fd = pmempreviewfd; + pmemBuf.offset = offset; + pmemBuf.len = size; + pmemBuf.vaddr = buf; + pmemBuf.y_off = 0; + pmemBuf.cbcr_off = PAD_TO_WORD(size * 2 / 3); + pmemBuf.active = true; + + LOGV("register_buf: camfd = %d, reg = %d buffer = %p", + camfd, !register_buffer, buf); + if (ioctl(camfd, + register_buffer ? + MSM_CAM_IOCTL_REGISTER_PMEM : + MSM_CAM_IOCTL_UNREGISTER_PMEM, + &pmemBuf) < 0) { + LOGE("register_buf: MSM_CAM_IOCTL_(UN)REGISTER_PMEM fd %d error %s", + camfd, + strerror(errno)); + return false; + } + return true; +} + +status_t QualcommCameraHardware::MemPool::dump(int fd, const Vector& args) const +{ + const size_t SIZE = 256; + char buffer[SIZE]; + String8 result; + snprintf(buffer, 255, "QualcommCameraHardware::AshmemPool::dump\n"); + result.append(buffer); + if (mName) { + snprintf(buffer, 255, "mem pool name (%s)\n", mName); + result.append(buffer); + } + if (mHeap != 0) { + snprintf(buffer, 255, "heap base(%p), size(%d), flags(%d), device(%s)\n", + mHeap->getBase(), mHeap->getSize(), + mHeap->getFlags(), mHeap->getDevice()); + result.append(buffer); + } + snprintf(buffer, 255, "buffer size (%d), number of buffers (%d)," + " frame size(%d), and frame offset(%d)\n", + mBufferSize, mNumBuffers, mFrameSize, mFrameOffset); + result.append(buffer); + write(fd, result.string(), result.size()); + return NO_ERROR; +} + +static void receive_camframe_callback(struct msm_frame *frame) +{ + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->receivePreviewFrame(frame); + } +} + +static void receive_jpeg_fragment_callback(uint8_t *buff_ptr, uint32_t buff_size) +{ + LOGV("receive_jpeg_fragment_callback E"); + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->receiveJpegPictureFragment(buff_ptr, buff_size); + } + LOGV("receive_jpeg_fragment_callback X"); +} + +static void receive_jpeg_callback(jpeg_event_t status) +{ + LOGV("receive_jpeg_callback E (completion status %d)", status); + if (status == JPEG_EVENT_DONE) { + sp obj = QualcommCameraHardware::getInstance(); + if (obj != 0) { + obj->receiveJpegPicture(); + } + } + LOGV("receive_jpeg_callback X"); +} + +}; // namespace android diff --git a/libcamera2/QualcommCameraHardware.h b/libcamera2/QualcommCameraHardware.h new file mode 100644 index 0000000..a4fe43b --- /dev/null +++ b/libcamera2/QualcommCameraHardware.h @@ -0,0 +1,241 @@ +/* +** Copyright 2008, Google Inc. +** +** 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_HARDWARE_QUALCOMM_CAMERA_HARDWARE_H +#define ANDROID_HARDWARE_QUALCOMM_CAMERA_HARDWARE_H + +#include +#include +#include +#include + +extern "C" { +#include +#include +#include +} + +struct str_map { + const char *const desc; + int val; +}; + +namespace android { + +class QualcommCameraHardware : public CameraHardwareInterface { +public: + + virtual sp getPreviewHeap() const; + virtual sp getRawHeap() const; + + virtual status_t dump(int fd, const Vector& args) const; + virtual status_t startPreview(preview_callback cb, void* user); + virtual void stopPreview(); + virtual bool previewEnabled(); + virtual status_t startRecording(recording_callback cb, void* user); + virtual void stopRecording(); + virtual bool recordingEnabled(); + virtual void releaseRecordingFrame(const sp& mem); + virtual status_t autoFocus(autofocus_callback, void *user); + virtual status_t takePicture(shutter_callback, raw_callback, + jpeg_callback, void *); + virtual status_t cancelPicture(bool cancel_shutter, + bool cancel_raw, bool cancel_jpeg); + virtual status_t setParameters(const CameraParameters& params); + virtual CameraParameters getParameters() const; + virtual void release(); + + static sp createInstance(); + static sp getInstance(); + + void receivePreviewFrame(struct msm_frame *frame); + void receiveJpegPicture(void); + void jpeg_set_location(); + void receiveJpegPictureFragment(uint8_t *buf, uint32_t size); + void notifyShutter(); + +private: + QualcommCameraHardware(); + virtual ~QualcommCameraHardware(); + status_t startPreviewInternal(); + void stopPreviewInternal(); + friend void *auto_focus_thread(void *user); + void runAutoFocus(); + void cancelAutoFocus(); + bool native_set_dimension (int camfd); + bool native_jpeg_encode (void); + bool native_set_parm(cam_ctrl_type type, uint16_t length, void *value); + bool native_set_dimension(cam_ctrl_dimension_t *value); + int getParm(const char *parm_str, const str_map *parm_map); + + static wp singleton; + + /* These constants reflect the number of buffers that libmmcamera requires + for preview and raw, and need to be updated when libmmcamera + changes. + */ + static const int kPreviewBufferCount = 4; + static const int kRawBufferCount = 1; + static const int kJpegBufferCount = 1; + + //TODO: put the picture dimensions in the CameraParameters object; + CameraParameters mParameters; + int mPreviewHeight; + int mPreviewWidth; + int mRawHeight; + int mRawWidth; + unsigned int frame_size; + bool mCameraRunning; + bool mPreviewInitialized; + + // This class represents a heap which maintains several contiguous + // buffers. The heap may be backed by pmem (when pmem_pool contains + // the name of a /dev/pmem* file), or by ashmem (when pmem_pool == NULL). + + struct MemPool : public RefBase { + MemPool(int buffer_size, int num_buffers, + int frame_size, + int frame_offset, + const char *name); + + virtual ~MemPool() = 0; + + void completeInitialization(); + bool initialized() const { + return mHeap != NULL && mHeap->base() != MAP_FAILED; + } + + virtual status_t dump(int fd, const Vector& args) const; + + int mBufferSize; + int mNumBuffers; + int mFrameSize; + int mFrameOffset; + sp mHeap; + sp *mBuffers; + + const char *mName; + }; + + struct AshmemPool : public MemPool { + AshmemPool(int buffer_size, int num_buffers, + int frame_size, + int frame_offset, + const char *name); + }; + + struct PmemPool : public MemPool { + PmemPool(const char *pmem_pool, + int control_camera_fd, int pmem_type, + int buffer_size, int num_buffers, + int frame_size, int frame_offset, + const char *name); + virtual ~PmemPool(); + int mFd; + int mPmemType; + int mCameraControlFd; + uint32_t mAlignedSize; + struct pmem_region mSize; + }; + + sp mPreviewHeap; + sp mThumbnailHeap; + sp mRawHeap; + sp mJpegHeap; + + void startCamera(); + bool initPreview(); + void deinitPreview(); + bool initRaw(bool initJpegHeap); + void deinitRaw(); + + bool mFrameThreadRunning; + Mutex mFrameThreadWaitLock; + Condition mFrameThreadWait; + friend void *frame_thread(void *user); + void runFrameThread(void *data); + + bool mShutterPending; + Mutex mShutterLock; + + bool mSnapshotThreadRunning; + Mutex mSnapshotThreadWaitLock; + Condition mSnapshotThreadWait; + friend void *snapshot_thread(void *user); + void runSnapshotThread(void *data); + + void initDefaultParameters(); + + void setAntibanding(); + void setEffect(); + void setWhiteBalance(); + + Mutex mLock; + bool mReleasedRecordingFrame; + + void receiveRawPicture(void); + + Mutex mCallbackLock; + Mutex mRecordLock; + Mutex mRecordFrameLock; + Condition mRecordWait; + Condition mStateWait; + + /* mJpegSize keeps track of the size of the accumulated JPEG. We clear it + when we are about to take a picture, so at any time it contains either + zero, or the size of the last JPEG picture taken. + */ + uint32_t mJpegSize; + + shutter_callback mShutterCallback; + raw_callback mRawPictureCallback; + jpeg_callback mJpegPictureCallback; + void *mPictureCallbackCookie; + + autofocus_callback mAutoFocusCallback; + void *mAutoFocusCallbackCookie; + + preview_callback mPreviewCallback; + void *mPreviewCallbackCookie; + recording_callback mRecordingCallback; + void *mRecordingCallbackCookie; + unsigned int mPreviewFrameSize; + int mRawSize; + int mJpegMaxSize; + +#if DLOPEN_LIBMMCAMERA + void *libmmcamera; +#endif + + int mCameraControlFd; + cam_ctrl_dimension_t mDimension; + bool mAutoFocusThreadRunning; + Mutex mAutoFocusThreadLock; + int mAutoFocusFd; + + pthread_t mCamConfigThread; + pthread_t mFrameThread; + pthread_t mSnapshotThread; + + common_crop_t mCrop; + + struct msm_frame frames[kPreviewBufferCount]; + bool mInPreviewCallback; +}; + +}; // namespace android + +#endif