diff options
Diffstat (limited to 'camera/exynos_camera.c')
| -rw-r--r-- | camera/exynos_camera.c | 3883 |
1 files changed, 3883 insertions, 0 deletions
diff --git a/camera/exynos_camera.c b/camera/exynos_camera.c new file mode 100644 index 0000000..8501bea --- /dev/null +++ b/camera/exynos_camera.c @@ -0,0 +1,3883 @@ +/* + * Copyright (C) 2013 Paul Kocialkowski + * + * Based on crespo libcamera and exynos4 hal libcamera: + * Copyright 2008, The Android Open Source Project + * Copyright 2010, Samsung Electronics Co. LTD + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> +#include <time.h> +#include <errno.h> +#include <malloc.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/time.h> +#include <sys/mman.h> +#include <sys/ioctl.h> + +#include <asm/types.h> + +#define LOG_TAG "exynos_camera" +#include <utils/Log.h> +#include <utils/Timers.h> + +#include "exynos_camera.h" + +#define BIG2LITTLE_ENDIAN(big) ((big & 0xff) << 24 | (big & 0xff00) << 8 | (big & 0xff0000) >> 8 | (big & 0xff000000) >> 24) + +/* + * Devices configurations + */ + +struct exynos_camera_mbus_resolution exynos_camera_mbus_resolutions_s5k6a3_smdk4x12[] = { + // 16:9 ratio + { 1280, 720, 1344, 756 }, + // 4:3 ratio + { 1280, 960, 1392, 1044 }, + { 960, 720, 1392, 1044 }, + { 640, 480, 1392, 1044 }, + { 320, 240, 1392, 1044 }, + // 1:1 ratio + { 1392, 1392, 1392, 1392 }, + { 704, 704, 1392, 1392 }, + { 320, 320, 1392, 1392 }, +}; + +struct exynos_camera_videosnapshot_resolution exynos_camera_videosnapshot_resolutions_s5c73m3[] = { + //Capture Size - Snapshot Size + { 1920, 1080, 3264, 1836 }, + { 1280, 720, 3264, 1836 }, + { 720, 480, 3264, 2176 }, + { 640, 480, 3264, 2488 }, + { 352, 288, 3264, 2488 }, + { 320, 240, 3264, 2488 }, + { 176, 144, 3264, 2488 }, +}; + +struct exynos_camera_preset exynos_camera_presets_smdk4x12[] = { + { + .name = "S5C73M3", + .facing = CAMERA_FACING_BACK, + .orientation = 90, + .rotation = 0, + .hflip = 0, + .vflip = 0, + .capture_format = V4L2_PIX_FMT_INTERLEAVED, + .picture_format = V4L2_PIX_FMT_JPEG, + .fimc_is = 0, + .focal_length = 3.7f, + .horizontal_view_angle = 63.0f, + .vertical_view_angle = 49.3f, + .metering = METERING_CENTER, + .params = { + .preview_size_values = "960x720,1280x720,1184x666,960x640,704x576,640x480,352x288,320x240", + .preview_size = "960x720", + .preview_format_values = "yuv420sp,yuv420p,rgb565", + .preview_format = "yuv420sp", + .preview_frame_rate_values = "30,20,15", + .preview_frame_rate = 30, + .preview_fps_range_values = "(15000,15000),(15000,30000),(30000,30000)", + .preview_fps_range = "15000,30000", + + .picture_size_values = "640x480,1024x768,1280x720,1600x1200,2560x1920,3264x2448,2048x1536,3264x1836,2048x1152,3264x2176", + .picture_size = "3264x2448", + .picture_format_values = "jpeg", + .picture_format = "jpeg", + .jpeg_thumbnail_size_values = "160x120,160x90,144x96", + .jpeg_thumbnail_width = 160, + .jpeg_thumbnail_height = 120, + .jpeg_thumbnail_quality = 100, + .jpeg_quality = 90, + + .video_snapshot_supported = 1, + .full_video_snap_supported = 0, + + .recording_size = "1280x720", + .recording_size_values = "1280x720,1920x1080,720x480,640x480,352x288,320x240,176x144", + .recording_format = "yuv420sp", + + .focus_mode = "auto", + .focus_mode_values = "auto,infinity,macro,fixed,continuous-picture,continuous-video", + .focus_distances = "0.15,1.20,Infinity", + .focus_areas = "(0,0,0,0,0)", + .max_num_focus_areas = 1, + + .max_detected_faces = 15, + + .zoom_supported = 1, + .smooth_zoom_supported = 0, + .zoom_ratios = "100,102,104,109,111,113,119,121,124,131,134,138,146,150,155,159,165,170,182,189,200,213,222,232,243,255,283,300,319,364,400", + .zoom = 0, + .max_zoom = 30, + + .auto_exposure_lock_supported = 1, + .auto_exposure_lock = 0, + + .auto_white_balance_lock_supported = 1, + .auto_white_balance_lock = 0, + + .flash_mode = "off", + .flash_mode_values = "off,auto,on,torch", + + .exposure_compensation = 0, + .exposure_compensation_step = 0.5, + .min_exposure_compensation = -4, + .max_exposure_compensation = 4, + + .whitebalance = "auto", + .whitebalance_values = "auto,incandescent,fluorescent,daylight,cloudy-daylight", + + .antibanding = "auto", + .antibanding_values = "off,auto,50hz,60hz", + + .scene_mode = "auto", + .scene_mode_values = "auto,portrait,landscape,night,beach,snow,sunset,fireworks,action,party,candlelight,dusk-dawn,fall-color,text,back-light,high-sensitivity", + + .effect = "none", + .effect_values = "none,mono,negative,sepia,solarize,posterize,washed,vintage-warm,vintage-cold,point-blue,point-red-yellow,point-green", + + .iso = "auto", + .iso_values = "auto,ISO100,ISO200,ISO400,ISO800", + + .image_stabilization = "off", + .image_stabilization_values = "on,off", + }, + .mbus_resolutions = NULL, + .mbus_resolutions_count = 0, + + .videosnapshot_resolutions = (struct exynos_camera_videosnapshot_resolution *) &exynos_camera_videosnapshot_resolutions_s5c73m3, + .videosnapshot_resolutions_count = 7, + }, + { + .name = "S5K6A3", + .facing = CAMERA_FACING_FRONT, + .orientation = 270, + .rotation = 0, + .hflip = 0, + .vflip = 0, + .capture_format = V4L2_PIX_FMT_UYVY, + .picture_format = V4L2_PIX_FMT_JPEG, + .fimc_is = 1, + .focal_length = 2.73f, + .horizontal_view_angle = 52.58f, + .vertical_view_angle = 52.58f, + .metering = METERING_CENTER, + .params = { + .preview_size_values = "1280x720,960x720,640x480,320x240,704x704,320x320", + .preview_size = "960x720", + .preview_format_values = "yuv420sp,yuv420p,rgb565", + .preview_format = "yuv420sp", + .preview_frame_rate_values = "30,20,15,8", + .preview_frame_rate = 30, + .preview_fps_range_values = "(8000,8000),(15000,15000),(15000,30000),(30000,30000)", + .preview_fps_range = "15000,30000", + + .picture_size_values = "1280x960,1392x1392,640x480,1280x720,720x480,320x240", + .picture_size = "1280x960", + .picture_format_values = "jpeg", + .picture_format = "jpeg", + .jpeg_thumbnail_size_values = "160x120,160x160,160x90,144x96", + .jpeg_thumbnail_width = 160, + .jpeg_thumbnail_height = 120, + .jpeg_thumbnail_quality = 100, + .jpeg_quality = 90, + + .video_snapshot_supported = 1, + .full_video_snap_supported = 1, + + .recording_size = "1280x720", + .recording_size_values = "1280x720,720x480,640x480,352x288,320x320,320x240,176x144", + .recording_format = "yuv420sp", + + .focus_mode = "fixed", + .focus_mode_values = "infinity,fixed", + .focus_distances = "0.20,0.25,Infinity", + .focus_areas = NULL, + .max_num_focus_areas = 0, + + .zoom_supported = 0, + + .auto_exposure_lock_supported = 0, + .auto_exposure_lock = 0, + + .auto_white_balance_lock_supported = 0, + .auto_white_balance_lock = 0, + + .flash_mode = NULL, + .flash_mode_values = NULL, + + .max_detected_faces = 5, + + .exposure_compensation = 0, + .exposure_compensation_step = 0.5, + .min_exposure_compensation = -4, + .max_exposure_compensation = 4, + + .whitebalance = "auto", + .whitebalance_values = "auto,incandescent,fluorescent,daylight,cloudy-daylight", + + .antibanding = NULL, + .antibanding_values = NULL, + + .scene_mode = NULL, + .scene_mode_values = NULL, + + .effect = "none", + .effect_values = "none,mono,negative,sepia,solarize,posterize,washed,vintage-warm,vintage-cold,point-blue,point-red-yellow,point-green", + + .iso = "auto", + .iso_values = "auto", + + .image_stabilization = "off", + .image_stabilization_values = "off", + }, + .mbus_resolutions = (struct exynos_camera_mbus_resolution *) &exynos_camera_mbus_resolutions_s5k6a3_smdk4x12, + .mbus_resolutions_count = 8, + }, +}; + +struct exynos_v4l2_node exynos_v4l2_nodes_smdk4x12[] = { + { // FIMC0 is used for capture + .id = 0, + .node = "/dev/video0", + }, + { // FIMC1 is used for preview output + .id = 1, + .node = "/dev/video1", + }, + { // FIMC2 is used for picture output + .id = 2, + .node = "/dev/video2", + }, + { // FIMC3 is used for recording output + .id = 3, + .node = "/dev/video3", + }, +}; + +struct exynox_camera_config exynos_camera_config_smdk4x12 = { + .presets = (struct exynos_camera_preset *) &exynos_camera_presets_smdk4x12, + .presets_count = 2, + .v4l2_nodes = (struct exynos_v4l2_node *) &exynos_v4l2_nodes_smdk4x12, + .v4l2_nodes_count = 4, +}; + +/* + * Exynos Camera + */ + +struct exynox_camera_config *exynos_camera_config = + &exynos_camera_config_smdk4x12; + +int exynos_camera_start(struct exynos_camera *exynos_camera, int id) +{ + int rc; + + if (exynos_camera == NULL || id >= exynos_camera->config->presets_count) + return -EINVAL; + + // ION + +#ifdef EXYNOS_ION + rc = exynos_ion_init(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to init ION", __func__); + goto error; + } + + rc = exynos_ion_open(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to open ION", __func__); + goto error; + } +#endif + + // V4L2 + + rc = exynos_v4l2_init(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to init v4l2", __func__); + goto error; + } + + // FIMC0 + + rc = exynos_v4l2_open(exynos_camera, 0); + if (rc < 0) { + ALOGE("%s: Unable to open v4l2 device", __func__); + goto error; + } + + rc = exynos_v4l2_querycap_cap(exynos_camera, 0); + if (rc < 0) { + ALOGE("%s: Unable to query capabilities", __func__); + goto error; + } + + rc = exynos_v4l2_enum_input(exynos_camera, 0, id); + if (rc < 0) { + ALOGE("%s: Unable to enumerate input", __func__); + goto error; + } + + rc = exynos_v4l2_s_input(exynos_camera, 0, id); + if (rc < 0) { + ALOGE("%s: Unable to set inputs", __func__); + goto error; + } + + // Recording + + exynos_camera->recording_metadata = 1; + + // Params + + rc = exynos_camera_params_init(exynos_camera, id); + if (rc < 0) { + ALOGE("%s: Unable to init params", __func__); + goto error; + } + + // Gralloc + + rc = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, (const struct hw_module_t **) &exynos_camera->gralloc); + if (rc) + ALOGE("%s: Unable to get gralloc module", __func__); + + rc = 0; + goto complete; + +error: + exynos_v4l2_close(exynos_camera, 0); + +#ifdef EXYNOS_ION + exynos_ion_close(exynos_camera); +#endif + + rc = -1; + +complete: + return rc; +} + +void exynos_camera_stop(struct exynos_camera *exynos_camera) +{ + int i; + int id; + + if (exynos_camera == NULL || exynos_camera->config == NULL) + return; + + exynos_v4l2_close(exynos_camera, 0); + +#ifdef EXYNOS_ION + exynos_ion_close(exynos_camera); +#endif +} + +// Params + +int exynos_camera_params_init(struct exynos_camera *exynos_camera, int id) +{ + int rc; + + if (exynos_camera == NULL || id >= exynos_camera->config->presets_count) + return -EINVAL; + + // Camera params + + exynos_camera->camera_rotation = exynos_camera->config->presets[id].rotation; + exynos_camera->camera_hflip = exynos_camera->config->presets[id].hflip; + exynos_camera->camera_vflip = exynos_camera->config->presets[id].vflip; + exynos_camera->camera_capture_format = exynos_camera->config->presets[id].capture_format; + exynos_camera->camera_picture_format = exynos_camera->config->presets[id].picture_format; + exynos_camera->camera_fimc_is = exynos_camera->config->presets[id].fimc_is; + exynos_camera->camera_focal_length = (int) (exynos_camera->config->presets[id].focal_length * 100); + exynos_camera->camera_metering = exynos_camera->config->presets[id].metering; + + exynos_camera->camera_mbus_resolutions = exynos_camera->config->presets[id].mbus_resolutions; + exynos_camera->camera_mbus_resolutions_count = exynos_camera->config->presets[id].mbus_resolutions_count; + + exynos_camera->camera_videosnapshot_resolutions = exynos_camera->config->presets[id].videosnapshot_resolutions; + exynos_camera->camera_videosnapshot_resolutions_count = exynos_camera->config->presets[id].videosnapshot_resolutions_count; + + + // Recording preview + + exynos_param_string_set(exynos_camera, "preferred-preview-size-for-video", + exynos_camera->config->presets[id].params.preview_size); + + // Preview + + exynos_param_string_set(exynos_camera, "preview-size-values", + exynos_camera->config->presets[id].params.preview_size_values); + exynos_param_string_set(exynos_camera, "preview-size", + exynos_camera->config->presets[id].params.preview_size); + exynos_param_string_set(exynos_camera, "preview-format-values", + exynos_camera->config->presets[id].params.preview_format_values); + exynos_param_string_set(exynos_camera, "preview-format", + exynos_camera->config->presets[id].params.preview_format); + exynos_param_string_set(exynos_camera, "preview-frame-rate-values", + exynos_camera->config->presets[id].params.preview_frame_rate_values); + exynos_param_int_set(exynos_camera, "preview-frame-rate", + exynos_camera->config->presets[id].params.preview_frame_rate); + exynos_param_string_set(exynos_camera, "preview-fps-range-values", + exynos_camera->config->presets[id].params.preview_fps_range_values); + exynos_param_string_set(exynos_camera, "preview-fps-range", + exynos_camera->config->presets[id].params.preview_fps_range); + + // Picture + + exynos_param_string_set(exynos_camera, "picture-size-values", + exynos_camera->config->presets[id].params.picture_size_values); + exynos_param_string_set(exynos_camera, "picture-size", + exynos_camera->config->presets[id].params.picture_size); + exynos_param_string_set(exynos_camera, "picture-format-values", + exynos_camera->config->presets[id].params.picture_format_values); + exynos_param_string_set(exynos_camera, "picture-format", + exynos_camera->config->presets[id].params.picture_format); + exynos_param_string_set(exynos_camera, "jpeg-thumbnail-size-values", + exynos_camera->config->presets[id].params.jpeg_thumbnail_size_values); + exynos_param_int_set(exynos_camera, "jpeg-thumbnail-width", + exynos_camera->config->presets[id].params.jpeg_thumbnail_width); + exynos_param_int_set(exynos_camera, "jpeg-thumbnail-height", + exynos_camera->config->presets[id].params.jpeg_thumbnail_height); + exynos_param_int_set(exynos_camera, "jpeg-thumbnail-quality", + exynos_camera->config->presets[id].params.jpeg_thumbnail_quality); + exynos_param_int_set(exynos_camera, "jpeg-quality", + exynos_camera->config->presets[id].params.jpeg_quality); + + if (exynos_camera->config->presets[id].params.video_snapshot_supported == 1) + exynos_param_string_set(exynos_camera, "video-snapshot-supported", "true"); + if (exynos_camera->config->presets[id].params.full_video_snap_supported == 1) + exynos_param_string_set(exynos_camera, "full-video-snap-supported", "true"); + + // Recording + + exynos_param_string_set(exynos_camera, "video-size", + exynos_camera->config->presets[id].params.recording_size); + exynos_param_string_set(exynos_camera, "video-size-values", + exynos_camera->config->presets[id].params.recording_size_values); + exynos_param_string_set(exynos_camera, "video-frame-format", + exynos_camera->config->presets[id].params.recording_format); + + // Focus + + exynos_param_string_set(exynos_camera, "focus-mode", + exynos_camera->config->presets[id].params.focus_mode); + exynos_param_string_set(exynos_camera, "focus-mode-values", + exynos_camera->config->presets[id].params.focus_mode_values); + exynos_param_string_set(exynos_camera, "focus-distances", + exynos_camera->config->presets[id].params.focus_distances); + if (exynos_camera->config->presets[id].params.max_num_focus_areas > 0) { + exynos_param_string_set(exynos_camera, "focus-areas", + exynos_camera->config->presets[id].params.focus_areas); + sprintf(exynos_camera->raw_focus_areas,"%s", + exynos_camera->config->presets[id].params.focus_areas); + exynos_param_int_set(exynos_camera, "max-num-focus-areas", + exynos_camera->config->presets[id].params.max_num_focus_areas); + } + + // Face Detection + exynos_camera->max_detected_faces = exynos_camera->config->presets[id].params.max_detected_faces; + exynos_param_int_set(exynos_camera, "max-num-detected-faces-hw", + exynos_camera->max_detected_faces); + + // Zoom + + if (exynos_camera->config->presets[id].params.zoom_supported == 1) { + exynos_param_string_set(exynos_camera, "zoom-supported", "true"); + + if (exynos_camera->config->presets[id].params.smooth_zoom_supported == 1) + exynos_param_string_set(exynos_camera, "smooth-zoom-supported", "true"); + + if (exynos_camera->config->presets[id].params.zoom_ratios != NULL) + exynos_param_string_set(exynos_camera, "zoom-ratios", exynos_camera->config->presets[id].params.zoom_ratios); + + exynos_param_int_set(exynos_camera, "zoom", exynos_camera->config->presets[id].params.zoom); + exynos_param_int_set(exynos_camera, "max-zoom", exynos_camera->config->presets[id].params.max_zoom); + + } else { + exynos_param_string_set(exynos_camera, "zoom-supported", "false"); + } + + // AE lock + + if (exynos_camera->config->presets[id].params.auto_exposure_lock_supported == 1) { + exynos_param_string_set(exynos_camera, "auto-exposure-lock-supported", "true"); + + if (exynos_camera->config->presets[id].params.auto_exposure_lock) + exynos_param_string_set(exynos_camera, "auto-exposure-lock", "true"); + else + exynos_param_string_set(exynos_camera, "auto-exposure-lock", "false"); + } + + // AWB lock + + if (exynos_camera->config->presets[id].params.auto_white_balance_lock_supported == 1) { + exynos_param_string_set(exynos_camera, "auto-whitebalance-lock-supported", "true"); + + if (exynos_camera->config->presets[id].params.auto_white_balance_lock) + exynos_param_string_set(exynos_camera, "auto-whitebalance-lock", "true"); + else + exynos_param_string_set(exynos_camera, "auto-whitebalance-lock", "false"); + } + + // Flash + + exynos_param_string_set(exynos_camera, "flash-mode", + exynos_camera->config->presets[id].params.flash_mode); + exynos_param_string_set(exynos_camera, "flash-mode-values", + exynos_camera->config->presets[id].params.flash_mode_values); + + // Exposure + + exynos_param_int_set(exynos_camera, "exposure-compensation", + exynos_camera->config->presets[id].params.exposure_compensation); + exynos_param_float_set(exynos_camera, "exposure-compensation-step", + exynos_camera->config->presets[id].params.exposure_compensation_step); + exynos_param_int_set(exynos_camera, "min-exposure-compensation", + exynos_camera->config->presets[id].params.min_exposure_compensation); + exynos_param_int_set(exynos_camera, "max-exposure-compensation", + exynos_camera->config->presets[id].params.max_exposure_compensation); + + // Antibanding + + exynos_param_string_set(exynos_camera, "antibanding", + exynos_camera->config->presets[id].params.antibanding); + exynos_param_string_set(exynos_camera, "antibanding-values", + exynos_camera->config->presets[id].params.antibanding_values); + + // WB + + exynos_param_string_set(exynos_camera, "whitebalance", + exynos_camera->config->presets[id].params.whitebalance); + exynos_param_string_set(exynos_camera, "whitebalance-values", + exynos_camera->config->presets[id].params.whitebalance_values); + + // Scene mode + + exynos_param_string_set(exynos_camera, "scene-mode", + exynos_camera->config->presets[id].params.scene_mode); + exynos_param_string_set(exynos_camera, "scene-mode-values", + exynos_camera->config->presets[id].params.scene_mode_values); + + // Effect + + exynos_param_string_set(exynos_camera, "effect", + exynos_camera->config->presets[id].params.effect); + exynos_param_string_set(exynos_camera, "effect-values", + exynos_camera->config->presets[id].params.effect_values); + + // ISO + + exynos_param_string_set(exynos_camera, "iso", + exynos_camera->config->presets[id].params.iso); + exynos_param_string_set(exynos_camera, "iso-values", + exynos_camera->config->presets[id].params.iso_values); + + // Image stabilization (Anti-shake) + + exynos_param_string_set(exynos_camera, "image-stabilization", + exynos_camera->config->presets[id].params.image_stabilization); + exynos_param_string_set(exynos_camera, "image-stabilization-values", + exynos_camera->config->presets[id].params.image_stabilization_values); + + // Camera + + exynos_param_float_set(exynos_camera, "focal-length", + exynos_camera->config->presets[id].focal_length); + exynos_param_float_set(exynos_camera, "horizontal-view-angle", + exynos_camera->config->presets[id].horizontal_view_angle); + exynos_param_float_set(exynos_camera, "vertical-view-angle", + exynos_camera->config->presets[id].vertical_view_angle); + + rc = exynos_camera_params_apply(exynos_camera, 1); + if (rc < 0) { + ALOGE("%s: Unable to apply params", __func__); + return -1; + } + + return 0; +} + +static int validate_focus_areas(int l, int t, int r, int b, int w) { + if (!(l || r || t || b || w)) { + // All zeros is a valid area + return 0; + } + + // If existing, a focus area must be contained between -1000 and 1000, + // on both dimensions + if (l < -1000 || t < -1000 || r > 1000 || b > 1000) { + return -EINVAL; + } + // No superimposed or reverted edges + if (l >= r || t >= b) { + return -EINVAL; + } + // If there's an area defined, weight must be positive and up to 1000 + if ((l !=0 || r !=0) && (w < 1 || w > 1000)) { + return -EINVAL; + } + return 0; +} + +int exynos_camera_params_apply(struct exynos_camera *exynos_camera, int force) +{ + char *recording_hint_string; + char *recording_preview_size_string; + + char *preview_size_string; + int preview_width = 0; + int preview_height = 0; + char *preview_format_string; + int preview_format; + int preview_fps; + + char *picture_size_string; + int picture_width = 0; + int picture_height = 0; + char *picture_format_string; + int picture_format; + + int jpeg_thumbnail_width; + int jpeg_thumbnail_height; + int jpeg_thumbnail_quality; + int jpeg_quality; + + char *video_size_string; + int recording_width = 0; + int recording_height = 0; + char *video_frame_format_string; + int recording_format; + int camera_sensor_mode; + int fimc_is_mode = 0; + + char *focus_mode_string; + int focus_mode = FOCUS_MODE_DEFAULT; + char *focus_areas_string; + int focus_left, focus_top, focus_right, focus_bottom, focus_weight; + int focus_x; + int focus_y; + + char *zoom_supported_string; + int zoom, max_zoom; + + char *ae_lock_supported_string; + char *ae_lock_string; + int ae_lock = 0; + + char *awb_lock_supported_string; + char *awb_lock_string; + int awb_lock = 0; + int aeawb = 0; + + char *flash_mode_string; + int flash_mode = 0; + + int exposure_compensation; + int min_exposure_compensation; + int max_exposure_compensation; + + char *antibanding_string; + int antibanding; + + char *whitebalance_string; + int whitebalance; + + char *scene_mode_string; + int scene_mode; + + char *effect_string; + int effect; + + char *iso_string; + int iso; + + char *image_stabilization_string; + int image_stabilization; + + int w, h; + char *k; + int rc, i; + + if (exynos_camera == NULL) + return -EINVAL; + + // Preview + + preview_size_string = exynos_param_string_get(exynos_camera, "preview-size"); + if (preview_size_string != NULL) { + sscanf(preview_size_string, "%dx%d", &preview_width, &preview_height); + + if (preview_width < 0 && preview_height < 0) { + char reset_preview[128]; + sprintf(reset_preview, "%dx%d", exynos_camera->preview_width, exynos_camera->preview_height); + exynos_param_string_set(exynos_camera, "preview-size", + reset_preview); + return -EINVAL; + } + if (preview_width != 0 && preview_width != exynos_camera->preview_width) + exynos_camera->preview_width = preview_width; + if (preview_height != 0 && preview_height != exynos_camera->preview_height) + exynos_camera->preview_height = preview_height; + } + + preview_format_string = exynos_param_string_get(exynos_camera, "preview-format"); + if (preview_format_string != NULL) { + if (strcmp(preview_format_string, "yuv420sp") == 0) { + preview_format = V4L2_PIX_FMT_NV21; + } else if (strcmp(preview_format_string, "yuv420p") == 0) { + preview_format = V4L2_PIX_FMT_YUV420; + } else if (strcmp(preview_format_string, "rgb565") == 0) { + preview_format = V4L2_PIX_FMT_RGB565; + } else if (strcmp(preview_format_string, "rgb8888") == 0) { + preview_format = V4L2_PIX_FMT_RGB32; + } else { + ALOGE("%s: Unsupported preview format: %s", __func__, preview_format_string); + preview_format = V4L2_PIX_FMT_NV21; + } + + if (preview_format != exynos_camera->preview_format) + exynos_camera->preview_format = preview_format; + } + + preview_fps = exynos_param_int_get(exynos_camera, "preview-frame-rate"); + if (preview_fps > 0) + exynos_camera->preview_fps = preview_fps; + else + exynos_camera->preview_fps = 0; + + // Picture + + picture_format_string = exynos_param_string_get(exynos_camera, "picture-format"); + if (picture_format_string != NULL) { + if (strcmp(picture_format_string, "jpeg") == 0) { + picture_format = V4L2_PIX_FMT_JPEG; + } else { + ALOGE("%s: Unsupported picture format: %s", __func__, picture_format_string); + picture_format = V4L2_PIX_FMT_JPEG; + } + + if (picture_format != exynos_camera->picture_format) + exynos_camera->picture_format = picture_format; + } + + jpeg_thumbnail_width = exynos_param_int_get(exynos_camera, "jpeg-thumbnail-width"); + if (jpeg_thumbnail_width > 0) + exynos_camera->jpeg_thumbnail_width = jpeg_thumbnail_width; + + jpeg_thumbnail_height = exynos_param_int_get(exynos_camera, "jpeg-thumbnail-height"); + if (jpeg_thumbnail_height > 0) + exynos_camera->jpeg_thumbnail_height = jpeg_thumbnail_height; + + jpeg_thumbnail_quality = exynos_param_int_get(exynos_camera, "jpeg-thumbnail-quality"); + if (jpeg_thumbnail_quality > 0) + exynos_camera->jpeg_thumbnail_quality = jpeg_thumbnail_quality; + + jpeg_quality = exynos_param_int_get(exynos_camera, "jpeg-quality"); + if (jpeg_quality <= 100 && jpeg_quality >= 0 && (jpeg_quality != exynos_camera->jpeg_quality || force)) { + exynos_camera->jpeg_quality = jpeg_quality; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAM_JPEG_QUALITY, jpeg_quality); + if (rc < 0) + ALOGE("%s: Unable to set jpeg quality", __func__); + } + + // Recording + + video_size_string = exynos_param_string_get(exynos_camera, "video-size"); + if (video_size_string == NULL) + video_size_string = exynos_param_string_get(exynos_camera, "preview-size"); + + if (video_size_string != NULL) { + sscanf(video_size_string, "%dx%d", &recording_width, &recording_height); + + if (recording_width != 0 && recording_width != exynos_camera->recording_width) + exynos_camera->recording_width = recording_width; + if (recording_height != 0 && recording_height != exynos_camera->recording_height) + exynos_camera->recording_height = recording_height; + } + + video_frame_format_string = exynos_param_string_get(exynos_camera, "video-frame-format"); + if (video_frame_format_string != NULL) { + if (strcmp(video_frame_format_string, "yuv420sp") == 0) { + recording_format = V4L2_PIX_FMT_NV12; + } else if (strcmp(video_frame_format_string, "yuv420p") == 0) { + recording_format = V4L2_PIX_FMT_YUV420; + } else if (strcmp(video_frame_format_string, "rgb565") == 0) { + recording_format = V4L2_PIX_FMT_RGB565; + } else if (strcmp(video_frame_format_string, "rgb8888") == 0) { + recording_format = V4L2_PIX_FMT_RGB32; + } else { + ALOGE("%s: Unsupported recording format: %s", __func__, video_frame_format_string); + recording_format = V4L2_PIX_FMT_NV12; + } + + if (recording_format != exynos_camera->recording_format) + exynos_camera->recording_format = recording_format; + } + + recording_hint_string = exynos_param_string_get(exynos_camera, "recording-hint"); + if (recording_hint_string != NULL && strcmp(recording_hint_string, "true") == 0) { + camera_sensor_mode = SENSOR_MOVIE; + + k = exynos_param_string_get(exynos_camera, "preview-size-values"); + while (recording_width != 0 && recording_height != 0) { + if (k == NULL) + break; + + sscanf(k, "%dx%d", &w, &h); + + // Look for same aspect ratio + if ((recording_width * h) / recording_height == w) { + preview_width = w; + preview_height = h; + break; + } + + k = strchr(k, ','); + if (k == NULL) + break; + + k++; + } + + if (preview_width != 0 && preview_width != exynos_camera->preview_width) + exynos_camera->preview_width = preview_width; + if (preview_height != 0 && preview_height != exynos_camera->preview_height) + exynos_camera->preview_height = preview_height; + + if (exynos_camera->camera_fimc_is) + fimc_is_mode = IS_MODE_PREVIEW_VIDEO; + } else { + camera_sensor_mode = SENSOR_CAMERA; + + if (exynos_camera->camera_fimc_is) + fimc_is_mode = IS_MODE_PREVIEW_STILL; + } + + // Picture size and Video Snapshot Resolution + picture_size_string = exynos_param_string_get(exynos_camera, "picture-size"); + if (picture_size_string != NULL) { + sscanf(picture_size_string, "%dx%d", &picture_width, &picture_height); + + if (camera_sensor_mode == SENSOR_MOVIE) { + //Set Video Recording SnapShot Resolutions + if (exynos_camera->camera_videosnapshot_resolutions != NULL) { + //Back Camera + if (!exynos_camera->camera_fimc_is) { + for (i = 0; i < exynos_camera->camera_videosnapshot_resolutions_count; i++) { + if (exynos_camera->camera_videosnapshot_resolutions[i].video_width == exynos_camera->recording_width && exynos_camera->camera_videosnapshot_resolutions[i].video_height == exynos_camera->recording_height) { + picture_width = exynos_camera->camera_videosnapshot_resolutions[i].snapshot_width; + picture_height = exynos_camera->camera_videosnapshot_resolutions[i].snapshot_height; + break; + } + } + } else { + //Front Facing Camera - Use Recording size as Snapshot size + picture_width = exynos_camera->recording_width; + picture_height = exynos_camera->recording_height; + } + } + } + + if (picture_width != 0 && picture_height != 0 && (picture_width != exynos_camera->picture_width || picture_height != exynos_camera->picture_height)) { + exynos_camera->picture_width = picture_width; + exynos_camera->picture_height = picture_height; + + if (!exynos_camera->camera_fimc_is) { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_JPEG_RESOLUTION, (picture_width & 0xffff) << 16 | (picture_height & 0xffff)); + if (rc < 0) + ALOGE("%s: Unable to set jpeg resolution", __func__); + } + } + } + + // Switching modes + + if (camera_sensor_mode != exynos_camera->camera_sensor_mode) { + exynos_camera->camera_sensor_mode = camera_sensor_mode; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SENSOR_MODE, camera_sensor_mode); + if (rc < 0) + ALOGE("%s: Unable to set sensor mode", __func__); + } + + if (exynos_camera->camera_fimc_is && fimc_is_mode != exynos_camera->fimc_is_mode) { + exynos_camera->fimc_is_mode = fimc_is_mode; + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_IS_S_FORMAT_SCENARIO, exynos_camera->fimc_is_mode); + if (rc < 0) + ALOGE("%s: Unable to set FIMC-IS scenario", __func__); + } + + // Focus + + focus_areas_string = exynos_param_string_get(exynos_camera, "focus-areas"); + if (focus_areas_string != NULL) { + focus_left = focus_top = focus_right = focus_bottom = focus_weight = 0; + + rc = sscanf(focus_areas_string, "(%d,%d,%d,%d,%d)", + &focus_left, &focus_top, &focus_right, &focus_bottom, &focus_weight); + if (rc != 5) { + ALOGE("%s: Unable to scan focus areas", __func__); + } else if (validate_focus_areas(focus_left, focus_top, focus_right, focus_bottom, focus_weight) != 0 || strstr(focus_areas_string, "),(")) { + exynos_param_string_set(exynos_camera, "focus-areas", + exynos_camera->raw_focus_areas); + return -EINVAL; + } else if ((focus_left != 0 || focus_right != 0) && (focus_top != 0 || focus_bottom != 0)) { + sprintf(exynos_camera->raw_focus_areas,"%s",focus_areas_string); + focus_x = (((focus_left + focus_right) / 2) + 1000) * preview_width / 2000; + focus_y = (((focus_top + focus_bottom) / 2) + 1000) * preview_height / 2000; + + if (focus_x != exynos_camera->focus_x || force) { + exynos_camera->focus_x = focus_x; + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_OBJECT_POSITION_X, focus_x); + if (rc < 0) + ALOGE("%s: Unable to set object x position", __func__); + } + + if (focus_y != exynos_camera->focus_y || force) { + exynos_camera->focus_y = focus_y; + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_OBJECT_POSITION_Y, focus_y); + if (rc < 0) + ALOGE("%s: Unable to set object y position", __func__); + } + + /* After taking a picture, focus-areas is reseted by stock camera app to the center of the screen */ + if (! ( (focus_x == (preview_width / 2)) && (focus_y == (preview_height / 2)) )) { + //ALOGV("%s focus_mode changed to %d due to focus-areas='%s'", __func__, focus_mode, focus_areas_string); + focus_mode = FOCUS_MODE_TOUCH; + } + } + + } + + // Zoom + + zoom_supported_string = exynos_param_string_get(exynos_camera, "zoom-supported"); + if (zoom_supported_string != NULL && strcmp(zoom_supported_string, "true") == 0) { + zoom = exynos_param_int_get(exynos_camera, "zoom"); + max_zoom = exynos_param_int_get(exynos_camera, "max-zoom"); + if (zoom <= max_zoom && zoom >= 0 && (zoom != exynos_camera->zoom || force)) { + exynos_camera->zoom = zoom; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_ZOOM, zoom); + if (rc < 0) + ALOGE("%s: Unable to set camera zoom", __func__); + } else if (zoom > max_zoom) { + exynos_param_int_set(exynos_camera, "zoom", max_zoom); + return -EINVAL; + } + + } + + // AE lock + + ae_lock_supported_string = exynos_param_string_get(exynos_camera, "auto-exposure-lock-supported"); + ae_lock_string = exynos_param_string_get(exynos_camera, "auto-exposure-lock"); + if (ae_lock_supported_string != NULL && ae_lock_string != NULL && strcmp(ae_lock_supported_string, "true") == 0 && strcmp(ae_lock_string, "true") == 0) + ae_lock = 1; + else + ae_lock = 0; + + // AWB lock + + awb_lock_supported_string = exynos_param_string_get(exynos_camera, "auto-whitebalance-lock-supported"); + awb_lock_string = exynos_param_string_get(exynos_camera, "auto-whitebalance-lock"); + if (awb_lock_supported_string != NULL && awb_lock_string != NULL && strcmp(awb_lock_supported_string, "true") == 0 && strcmp(awb_lock_string, "true") == 0) + awb_lock = 1; + else + awb_lock = 0; + + // Scene mode + + scene_mode_string = exynos_param_string_get(exynos_camera, "scene-mode"); + if (scene_mode_string != NULL) { + if (strcmp(scene_mode_string, "auto") == 0) + scene_mode = SCENE_MODE_NONE; + else if (strcmp(scene_mode_string, "portrait") == 0) { + scene_mode = SCENE_MODE_PORTRAIT; + flash_mode = FLASH_MODE_AUTO; + } else if (strcmp(scene_mode_string, "landscape") == 0) + scene_mode = SCENE_MODE_LANDSCAPE; + else if (strcmp(scene_mode_string, "night") == 0) + scene_mode = SCENE_MODE_NIGHTSHOT; + else if (strcmp(scene_mode_string, "beach") == 0) + scene_mode = SCENE_MODE_BEACH_SNOW; + else if (strcmp(scene_mode_string, "snow") == 0) + scene_mode = SCENE_MODE_BEACH_SNOW; + else if (strcmp(scene_mode_string, "sunset") == 0) + scene_mode = SCENE_MODE_SUNSET; + else if (strcmp(scene_mode_string, "fireworks") == 0) + scene_mode = SCENE_MODE_FIREWORKS; + else if (strcmp(scene_mode_string, "action") == 0) + scene_mode = SCENE_MODE_SPORTS; + else if (strcmp(scene_mode_string, "party") == 0) { + scene_mode = SCENE_MODE_PARTY_INDOOR; + flash_mode = FLASH_MODE_AUTO; + } else if (strcmp(scene_mode_string, "candlelight") == 0) + scene_mode = SCENE_MODE_CANDLE_LIGHT; + else if (strcmp(scene_mode_string, "dusk-dawn") == 0) + scene_mode = SCENE_MODE_DUSK_DAWN; + else if (strcmp(scene_mode_string, "fall-color") == 0) + scene_mode = SCENE_MODE_FALL_COLOR; + else if (strcmp(scene_mode_string, "back-light") == 0) + scene_mode = SCENE_MODE_BACK_LIGHT; + else if (strcmp(scene_mode_string, "text") == 0) + scene_mode = SCENE_MODE_TEXT; + else if (strcmp(scene_mode_string, "high-sensitivity") == 0) + scene_mode = SCENE_MODE_LOW_LIGHT; + else + scene_mode = SCENE_MODE_NONE; + + if (scene_mode != exynos_camera->scene_mode || force) { + exynos_camera->scene_mode = scene_mode; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SCENE_MODE, scene_mode); + if (rc < 0) + ALOGE("%s: Unable to set scene mode", __func__); + } + + if (scene_mode != SCENE_MODE_NONE && !flash_mode && focus_mode == FOCUS_MODE_DEFAULT) { + flash_mode = FLASH_MODE_OFF; + focus_mode = FOCUS_MODE_AUTO; + } + } + + // Flash + + flash_mode_string = exynos_param_string_get(exynos_camera, "flash-mode"); + if (flash_mode_string != NULL) { + if (flash_mode == 0) { + if (strcmp(flash_mode_string, "off") == 0) + flash_mode = FLASH_MODE_OFF; + else if (strcmp(flash_mode_string, "auto") == 0) + flash_mode = FLASH_MODE_AUTO; + else if (strcmp(flash_mode_string, "on") == 0) + flash_mode = FLASH_MODE_ON; + else if (strcmp(flash_mode_string, "torch") == 0) + flash_mode = FLASH_MODE_TORCH; + else { + exynos_param_string_set(exynos_camera, "flash-mode", + exynos_camera->raw_flash_mode); + return -EINVAL; + } + } + + if (flash_mode != exynos_camera->flash_mode || force) { + exynos_camera->flash_mode = flash_mode; + sprintf(exynos_camera->raw_flash_mode, "%s", flash_mode_string); + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_FLASH_MODE, flash_mode); + if (rc < 0) + ALOGE("%s:Unable to set flash mode", __func__); + } + } + + // Lock Auto Exposure and White Balance only when Flash is OFF + if ((ae_lock != exynos_camera->ae_lock || awb_lock != exynos_camera->awb_lock || force) && + exynos_camera->flash_mode == FLASH_MODE_OFF) { + exynos_camera->ae_lock = ae_lock; + exynos_camera->awb_lock = awb_lock; + aeawb = (ae_lock ? 0x1 : 0x0) | (awb_lock ? 0x2 : 0x0); + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_AEAWB_LOCK_UNLOCK, aeawb); + if (rc < 0) + ALOGE("%s: Unable to set AEAWB lock", __func__); + } + + focus_mode_string = exynos_param_string_get(exynos_camera, "focus-mode"); + if (focus_mode_string != NULL) { + if (focus_mode == FOCUS_MODE_DEFAULT) { + if (strcmp(focus_mode_string, "auto") == 0) + focus_mode = FOCUS_MODE_AUTO; + else if (strcmp(focus_mode_string, "infinity") == 0) + focus_mode = FOCUS_MODE_INFINITY; + else if (strcmp(focus_mode_string, "macro") == 0) + focus_mode = FOCUS_MODE_MACRO; + else if (strcmp(focus_mode_string, "fixed") == 0) + focus_mode = FOCUS_MODE_FIXED; + else if (strcmp(focus_mode_string, "facedetect") == 0) + focus_mode = FOCUS_MODE_FACEDETECT; + else if (strcmp(focus_mode_string, "continuous-video") == 0) + focus_mode = FOCUS_MODE_CONTINOUS_VIDEO; + else if (strcmp(focus_mode_string, "continuous-picture") == 0) + focus_mode = FOCUS_MODE_CONTINOUS_PICTURE; + else { + exynos_param_string_set(exynos_camera, "focus-mode", + exynos_camera->raw_focus_mode); + return -EINVAL; + } + } + + if (focus_mode != exynos_camera->focus_mode || force) { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_FOCUS_MODE, focus_mode); + if (rc < 0) + ALOGE("%s: Unable to set focus mode", __func__); + } + + exynos_camera->focus_mode = focus_mode; + sprintf(exynos_camera->raw_focus_mode, "%s", focus_mode_string); + } + + // Exposure + + exposure_compensation = exynos_param_int_get(exynos_camera, "exposure-compensation"); + min_exposure_compensation = exynos_param_int_get(exynos_camera, "min-exposure-compensation"); + max_exposure_compensation = exynos_param_int_get(exynos_camera, "max-exposure-compensation"); + + if (exposure_compensation <= max_exposure_compensation && exposure_compensation >= min_exposure_compensation && + (exposure_compensation != exynos_camera->exposure_compensation || force)) { + exynos_camera->exposure_compensation = exposure_compensation; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_BRIGHTNESS, exposure_compensation); + if (rc < 0) + ALOGE("%s: Unable to set exposure", __func__); + } + + // Antibanding + + antibanding_string = exynos_param_string_get(exynos_camera, "antibanding"); + if (antibanding_string != NULL) { + if (strcmp(antibanding_string, "auto") == 0) + antibanding = ANTI_BANDING_AUTO; + else if (strcmp(antibanding_string, "50hz") == 0) + antibanding = ANTI_BANDING_50HZ; + else if (strcmp(antibanding_string, "60hz") == 0) + antibanding = ANTI_BANDING_60HZ; + else if (strcmp(antibanding_string, "off") == 0) + antibanding = ANTI_BANDING_OFF; + else + antibanding = ANTI_BANDING_AUTO; + + if (antibanding != exynos_camera->antibanding || force) { + exynos_camera->antibanding = antibanding; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_ANTI_BANDING, antibanding); + if (rc < 0) + ALOGE("%s: Unable to set antibanding", __func__); + } + } + + // WB + + whitebalance_string = exynos_param_string_get(exynos_camera, "whitebalance"); + if (whitebalance_string != NULL) { + if (strcmp(whitebalance_string, "auto") == 0) + whitebalance = WHITE_BALANCE_AUTO; + else if (strcmp(whitebalance_string, "incandescent") == 0) + whitebalance = WHITE_BALANCE_TUNGSTEN; + else if (strcmp(whitebalance_string, "fluorescent") == 0) + whitebalance = WHITE_BALANCE_FLUORESCENT; + else if (strcmp(whitebalance_string, "daylight") == 0) + whitebalance = WHITE_BALANCE_SUNNY; + else if (strcmp(whitebalance_string, "cloudy-daylight") == 0) + whitebalance = WHITE_BALANCE_CLOUDY; + else + whitebalance = WHITE_BALANCE_AUTO; + + if (whitebalance != exynos_camera->whitebalance || force) { + exynos_camera->whitebalance = whitebalance; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_WHITE_BALANCE, whitebalance); + if (rc < 0) + ALOGE("%s: Unable to set whitebalance", __func__); + } + } + + // Effect + + effect_string = exynos_param_string_get(exynos_camera, "effect"); + if (effect_string != NULL) { + if (strcmp(effect_string, "auto") == 0) + effect = IMAGE_EFFECT_NONE; + if (strcmp(effect_string, "none") == 0) + effect = IMAGE_EFFECT_NONE; + else if (strcmp(effect_string, "mono") == 0) + effect = IMAGE_EFFECT_BNW; + else if (strcmp(effect_string, "negative") == 0) + effect = IMAGE_EFFECT_NEGATIVE; + else if (strcmp(effect_string, "sepia") == 0) + effect = IMAGE_EFFECT_SEPIA; + else if (strcmp(effect_string, "aqua") == 0) + effect = IMAGE_EFFECT_AQUA; + else if (strcmp(effect_string, "solarize") == 0) + effect = IMAGE_EFFECT_SOLARIZE; + else if (strcmp(effect_string, "posterize") == 0) + effect = IMAGE_EFFECT_POSTERIZE; + else if (strcmp(effect_string, "washed") == 0) + effect = IMAGE_EFFECT_WASHED; + else if (strcmp(effect_string, "sketch") == 0) + effect = IMAGE_EFFECT_SKETCH; + else if (strcmp(effect_string, "vintage-warm") == 0) + effect = IMAGE_EFFECT_VINTAGE_WARM; + else if (strcmp(effect_string, "vintage-cold") == 0) + effect = IMAGE_EFFECT_VINTAGE_COLD; + else if (strcmp(effect_string, "point-blue") == 0) + effect = IMAGE_EFFECT_POINT_BLUE; + else if (strcmp(effect_string, "point-red-yellow") == 0) + effect = IMAGE_EFFECT_POINT_RED_YELLOW; + else if (strcmp(effect_string, "point-green") == 0) + effect = IMAGE_EFFECT_POINT_GREEN; + else + effect = IMAGE_EFFECT_NONE; + + if (effect != exynos_camera->effect || force) { + exynos_camera->effect = effect; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_EFFECT, effect); + if (rc < 0) + ALOGE("%s: Unable to set effect", __func__); + } + } + + // ISO + + iso_string = exynos_param_string_get(exynos_camera, "iso"); + if (iso_string != NULL) { + if (strcmp(iso_string, "auto") == 0) + iso = ISO_AUTO; + else if (strcmp(iso_string, "ISO50") == 0) + iso = ISO_50; + else if (strcmp(iso_string, "ISO100") == 0) + iso = ISO_100; + else if (strcmp(iso_string, "ISO200") == 0) + iso = ISO_200; + else if (strcmp(iso_string, "ISO400") == 0) + iso = ISO_400; + else if (strcmp(iso_string, "ISO800") == 0) + iso = ISO_800; + else + iso = ISO_AUTO; + + if (iso != exynos_camera->iso || force) { + exynos_camera->iso = iso; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_ISO, iso); + if (rc < 0) + ALOGE("%s: Unable to set iso", __func__); + } + } + + // Image stabilization (Anti-shake) + + image_stabilization_string = exynos_param_string_get(exynos_camera, "image-stabilization"); + if (image_stabilization_string != NULL) { + if (strcmp(image_stabilization_string, "on") == 0) + image_stabilization = ANTI_SHAKE_STILL_ON; + else + image_stabilization = ANTI_SHAKE_OFF; + + if (image_stabilization != exynos_camera->image_stabilization || force) { + exynos_camera->image_stabilization = image_stabilization; + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_ANTI_SHAKE, image_stabilization); + if (rc < 0) + ALOGE("%s: Unable to set image-stabilization", __func__); + } + } + ALOGD("%s: Preview size: %dx%d, picture size: %dx%d, recording size: %dx%d", __func__, preview_width, preview_height, picture_width, picture_height, recording_width, recording_height); + + return 0; +} + +// Capture + +int s5c73m3_interleaved_decode(struct exynos_camera *exynos_camera, void *data, int size, + void *yuv_data, int *yuv_size, int yuv_width, int yuv_height, + void *jpeg_data, int *jpeg_size, int *decoded, int *auto_focus_result, + struct exynos_exif *exif) +{ + exif_attribute_t *attributes; + camera_face_t caface[exynos_camera->max_detected_faces]; + int yuv_length; + int jpeg_length; + int num_detected_faces; + int face; + unsigned char *yuv_p; + unsigned char *jpeg_p; + unsigned char *data_p; + unsigned int *offset_p; + unsigned int pointers_array_offset; + unsigned int pointers_array_size; + unsigned int interleaved_size; + unsigned char s5c73m3_auto_focus_result; + unsigned int yuv_offset_last; + unsigned int yuv_offset; + unsigned int yuv_line_size; + unsigned short *jpeg_start_p; + int gap; + unsigned int i; + + if (data == NULL || size <= 0 || yuv_data == NULL || yuv_size == NULL || yuv_width <= 0 || yuv_height <= 0 || jpeg_data == NULL || jpeg_size == NULL || decoded == NULL || auto_focus_result == NULL) + return -EINVAL; + + yuv_length = 0; + jpeg_length = 0; + + data_p = (unsigned char *) data; + data_p += size - 0x1000; // End of the first plane (interleaved buffer) + data_p += 4046; // Experimental offset for decoded + + *decoded = (int) *data_p; + + data_p = (unsigned char *) data; + data_p += size - 0x1000; // End of the first plane (interleaved buffer) + data_p += 50; // Experimental offset for auto-focus result + + *auto_focus_result = (int) *data_p; + + data_p = (unsigned char *) data; + data_p += size - 0x1000; // End of the first plane (interleaved buffer) + data_p += 4084; // Experimental offset for interleaved size + + // Read the pointers array offset + offset_p = (unsigned int *) data_p; + pointers_array_offset = BIG2LITTLE_ENDIAN(*offset_p); + interleaved_size = pointers_array_offset; + + // Read the pointers array size, it should be 4 * yuv_height + data_p += sizeof(pointers_array_offset); + offset_p = (unsigned int *) data_p; + pointers_array_size = BIG2LITTLE_ENDIAN(*offset_p); + + // FaceDetection Information + data_p = (unsigned char *) data; + data_p += size - 0x1000; // End of the first plane (interleaved buffer) + data_p += 108; //Number of Faces Detected + + num_detected_faces = (int) *data_p; + data_p += 2; //Start of Face Detection Info + + exynos_camera->mFaceData.faces = caface; + if (num_detected_faces > 0 && num_detected_faces < exynos_camera->max_detected_faces) + { + for (face = 0; face < num_detected_faces; face++) { + exynos_camera->mFaceData.faces[face].rect[0] = (short)(data_p[1] << 8) + data_p[0]; + data_p += 2; + exynos_camera->mFaceData.faces[face].rect[1] = (short)(data_p[1] << 8) + data_p[0]; + data_p += 2; + exynos_camera->mFaceData.faces[face].rect[2] = (short)(data_p[1] << 8) + data_p[0]; + data_p += 2; + exynos_camera->mFaceData.faces[face].rect[3] = (short)(data_p[1] << 8) + data_p[0]; + data_p += 2; + exynos_camera->mFaceData.faces[face].score = (short)(data_p[1] << 8) + data_p[0]; + data_p += 2; + exynos_camera->mFaceData.faces[face].id = (short)(data_p[1] << 8) + data_p[0]; + data_p += 2; + } + } + exynos_camera->mFaceData.number_of_faces = num_detected_faces; + + if (!*decoded) + return 0; + + attributes = &exif->attributes; + + //Extract the EXIF from the Metadata + //Flash + data_p = (unsigned char *) data; + data_p += size - 0x1000; // End of the first plane (interleaved buffer) + data_p += 4; // EXIF Flash Offset + attributes->flash = (int) data_p[0]; + + //ISO + data_p += 4; // EXIF ISO Offset + attributes->iso_speed_rating = (data_p[1] << 8) + data_p[0]; + + //Exposure + data_p += 4; // EXIF Exposure Offset + attributes->brightness.num = (int) data_p[0]; + + //Exposure Bias + data_p += 4; // EXIF Exposure Bias Offset + attributes->exposure_bias.num = (data_p[1] << 8) + data_p[0]; + + //Exposure Time + data_p += 8; // EXIF Exposure Time Offset + attributes->exposure_time.den = (data_p[1] << 8) + data_p[0]; + + + ALOGD("%s: Interleaved pointers array is at offset 0x%x, 0x%x bytes long\n", __func__, pointers_array_offset, pointers_array_size); + + if ((int) pointers_array_offset > size || (int) pointers_array_size > size || (int) pointers_array_size < yuv_height * (int) sizeof(unsigned int)) { + ALOGE("%s: Invalid informations", __func__); + return -1; + } + + data_p = (unsigned char *) data; + data_p += pointers_array_offset; + yuv_p = (unsigned char *) yuv_data; + jpeg_p = (unsigned char *) jpeg_data; + jpeg_start_p = NULL; + + yuv_line_size = yuv_width * 2; + yuv_offset_last = 0; + yuv_offset = 0; + i = 0; + + while (i < pointers_array_size) { + offset_p = (unsigned int *) data_p; + yuv_offset = BIG2LITTLE_ENDIAN(*offset_p); + + if (yuv_offset > size - yuv_line_size) + return -1; + + gap = yuv_offset - yuv_offset_last - yuv_line_size; + + if (gap > 0) { + data_p = (unsigned char *) data + yuv_offset_last + yuv_line_size; + + if (jpeg_start_p == NULL) { + jpeg_start_p = (unsigned short *) data_p; + if (*jpeg_start_p != 0xd8ff) { + ALOGE("%s: Invalid jpeg start", __func__); + return -1; + } + } + + memcpy(jpeg_p, data_p, gap); + jpeg_p += gap; + jpeg_length += gap; + } + + yuv_offset_last = yuv_offset; + + data_p = (unsigned char *) data + yuv_offset; + memcpy(yuv_p, data_p, yuv_line_size); + yuv_p += yuv_line_size; + yuv_length += yuv_line_size; + + data_p = (unsigned char *) offset_p; + data_p += sizeof(yuv_offset); + i += sizeof(yuv_offset); + } + + gap = interleaved_size - yuv_offset_last - yuv_line_size; + + if (gap > 0) { + data_p = (unsigned char *) data + yuv_offset_last + yuv_line_size; + + memcpy(jpeg_p, data_p, gap); + jpeg_p += gap; + jpeg_length += gap; + } + + *yuv_size = yuv_length; + *jpeg_size = jpeg_length; + + return 0; +} + +int exynos_camera_capture(struct exynos_camera *exynos_camera) +{ + struct exynos_camera_buffer *buffers = NULL; + struct exynos_camera_buffer *buffer; + int width, height, format; + int yuv_length, jpeg_length; + int jpeg_offset, jpeg_size; + int jpeg_thumbnail_offset, jpeg_thumbnail_size; + int buffers_count; + int buffer_length; + int auto_focus_result; + int current_af; + int decoded; + int busy; + void *pointer; + void *picture_yuv_pointer = NULL; + int address; + int offset; + int index; + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + width = exynos_camera->capture_width; + height = exynos_camera->capture_height; + format = exynos_camera->capture_format; + + buffers_count = exynos_camera->capture_buffers_count; + buffer_length = exynos_camera->capture_buffer_length; + + // V4L2 + + index = exynos_v4l2_dqbuf_cap(exynos_camera, 0); + if (index < 0 || index >= buffers_count) { + rc = exynos_v4l2_poll(exynos_camera, 0); + if (rc < 0) { + ALOGE("%s Unable to poll", __func__); + goto error; + } else if (rc == 0) { + // Timeout + rc = 0; + goto complete; + } + + index = exynos_v4l2_dqbuf_cap(exynos_camera, 0); + if (index < 0 || index >= buffers_count) { + ALOGE("%s: Unable to dequeue buffer", __func__); + goto error; + } + } + + exynos_camera->capture_memory_index = index; + + address = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_PADDR_Y, index); + if (address == 0 || address == (int) 0xffffffff) { + ALOGE("%s: Unable to get address", __func__); + goto error; + } + + offset = address - exynos_camera->capture_memory_address; + if (offset != index * buffer_length) + ALOGE("%s: Inconsistent memory offset (0x%x/0x%x)", __func__, offset, index * buffer_length); + + pointer = (void *) ((unsigned char *) exynos_camera->capture_memory->data + offset); + + // Buffers + + if (!exynos_camera->camera_fimc_is) { + yuv_length = jpeg_length = 0; + auto_focus_result = decoded = 0; + + rc = s5c73m3_interleaved_decode(exynos_camera, pointer, buffer_length, exynos_camera->capture_yuv_buffer, &yuv_length, width, height, exynos_camera->capture_jpeg_buffer, &jpeg_length, &decoded, &auto_focus_result, &exynos_camera->exif); + if (rc < 0) { + ALOGE("%s: Unable to decode S5C73M3 interleaved", __func__); + goto error; + } + + // AutoFocus + switch (auto_focus_result) { + case S5C73M3_CAF_STATUS_FOCUSING: + case S5C73M3_CAF_STATUS_FIND_SEARCHING_DIR: + case S5C73M3_AF_STATUS_FOCUSING: + current_af = CAMERA_AF_STATUS_IN_PROGRESS; + break; + case S5C73M3_CAF_STATUS_FOCUSED: + case S5C73M3_AF_STATUS_FOCUSED: + current_af = CAMERA_AF_STATUS_SUCCESS; + break; + case S5C73M3_CAF_STATUS_UNFOCUSED: + case S5C73M3_AF_STATUS_UNFOCUSED: + current_af = CAMERA_AF_STATUS_FAIL; + break; + case S5C73M3_AF_STATUS_INVALID: + default: + current_af = CAMERA_AF_STATUS_RESTART; + } + + if (exynos_camera->auto_focus_enabled) { + rc = exynos_camera_auto_focus(exynos_camera, current_af); + if (rc < 0) { + ALOGE("%s: Unable to auto focus", __func__); + goto error; + } + } + + // CAF + switch (auto_focus_result) { + case S5C73M3_CAF_STATUS_FOCUSING: + case S5C73M3_CAF_STATUS_FIND_SEARCHING_DIR: + current_af = CAMERA_AF_STATUS_IN_PROGRESS; + break; + case S5C73M3_CAF_STATUS_FOCUSED: + current_af = CAMERA_AF_STATUS_SUCCESS; + break; + case S5C73M3_CAF_STATUS_UNFOCUSED: + default: + current_af = CAMERA_AF_STATUS_RESTART; + } + + rc = exynos_camera_continuous_auto_focus(exynos_camera, current_af); + if (rc < 0) { + ALOGE("%s: Unable to continuous auto focus", __func__); + goto error; + } + + if (!decoded) { + buffers_count = 1; + buffers = (struct exynos_camera_buffer *) calloc(buffers_count, sizeof(struct exynos_camera_buffer)); + + buffer = buffers; + + buffer->pointer = pointer; + buffer->address = address; + buffer->length = buffer_length; + buffer->width = width; + buffer->height = height; + buffer->format = V4L2_PIX_FMT_UYVY; + } else { + buffers_count = 2; + buffers = (struct exynos_camera_buffer *) calloc(buffers_count, sizeof(struct exynos_camera_buffer)); + + buffer = buffers; + + memcpy(pointer, exynos_camera->capture_yuv_buffer, yuv_length); + + buffer->pointer = pointer; + buffer->address = address; + buffer->length = yuv_length; + buffer->width = width; + buffer->height = height; + buffer->format = V4L2_PIX_FMT_UYVY; + + memcpy(&exynos_camera->picture_yuv_buffer, buffer, sizeof(struct exynos_camera_buffer)); + + pointer = (void *) ((unsigned char *) pointer + yuv_length); + address += yuv_length; + buffer = (struct exynos_camera_buffer *) ((unsigned char *) buffer + sizeof(struct exynos_camera_buffer)); + + memcpy(pointer, exynos_camera->capture_jpeg_buffer, jpeg_length); + + buffer->pointer = pointer; + buffer->address = address; + buffer->length = jpeg_length; + buffer->width = exynos_camera->picture_width; + buffer->height = exynos_camera->picture_height; + buffer->format = exynos_camera->picture_format; + + memcpy(&exynos_camera->picture_jpeg_buffer, buffer, sizeof(struct exynos_camera_buffer)); + + exynos_camera_picture_thread_start(exynos_camera); + + memcpy(buffer, &exynos_camera->picture_yuv_buffer, sizeof(struct exynos_camera_buffer)); + } + } else { + buffers_count = 1; + buffers = (struct exynos_camera_buffer *) calloc(buffers_count, sizeof(struct exynos_camera_buffer)); + + buffer = buffers; + + buffer->pointer = pointer; + buffer->address = address; + buffer->length = buffer_length; + buffer->width = width; + buffer->height = height; + buffer->format = format; + + if (exynos_camera->picture_enabled) { + memcpy(&exynos_camera->picture_yuv_buffer, buffer, sizeof(struct exynos_camera_buffer)); + exynos_camera_picture_thread_start(exynos_camera); + } + } + + // Preview + if (exynos_camera->preview_enabled) { + memcpy(&exynos_camera->preview_buffer, buffer, sizeof(struct exynos_camera_buffer)); + if (!exynos_camera->preview_output_enabled) { + rc = exynos_camera_preview_output_start(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to start Preview Output", __func__); + goto error; + } + } + rc = exynos_camera_preview(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to process Camera Preview", __func__); + goto error; + } + } + + //Recording + if (exynos_camera->recording_enabled) { + if (exynos_camera->recording_output_enabled) { + memcpy(&exynos_camera->recording_buffer, buffer, sizeof(struct exynos_camera_buffer)); + + exynos_camera->recording_memory_index = index; + + rc = exynos_camera_recording(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to process Camera Recording", __func__); + goto error; + } + } else { + memcpy(&exynos_camera->recording_buffer, buffer, sizeof(struct exynos_camera_buffer)); + + rc = exynos_camera_recording_output_start(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to start recording output", __func__); + goto error; + } + + } + } else { + if (exynos_camera->recording_output_enabled) + exynos_camera_recording_output_stop(exynos_camera); + } + + rc = exynos_v4l2_qbuf_cap(exynos_camera, 0, index); + if (rc < 0) { + ALOGE("%s: Unable to queue buffer", __func__); + goto error; + } + + rc = 0; + goto complete; + +error: + rc = -1; + +complete: + if (buffers != NULL) + free(buffers); + + return rc; +} + +void *exynos_camera_capture_thread(void *data) +{ + struct exynos_camera *exynos_camera; + int rc; + + if (data == NULL) + return NULL; + + exynos_camera = (struct exynos_camera *) data; + + ALOGE("%s: Starting thread", __func__); + exynos_camera->capture_thread_running = 1; + + while (exynos_camera->capture_thread_enabled) { + pthread_mutex_lock(&exynos_camera->capture_lock_mutex); + + while (exynos_camera->capture_enabled) { + pthread_mutex_lock(&exynos_camera->capture_mutex); + + if (!exynos_camera->capture_enabled) { + pthread_mutex_unlock(&exynos_camera->capture_mutex); + break; + } + + rc = exynos_camera_capture(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to capture", __func__); + pthread_mutex_unlock(&exynos_camera->capture_mutex); + break; + } + + pthread_mutex_unlock(&exynos_camera->capture_mutex); + + // Wait a bit to let others lock the mutex if they need to + usleep(10); + } + } + + exynos_camera->capture_thread_running = 0; + ALOGE("%s: Exiting thread", __func__); + + return NULL; +} + +void exynos_camera_picture_thread_start(struct exynos_camera *exynos_camera) +{ + int rc; + + if (exynos_camera->picture_running) + return; + + exynos_camera->picture_completed = 0; + + pthread_attr_t thread_attr; + pthread_attr_init(&thread_attr); + pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED); + + rc = pthread_create(&exynos_camera->picture_thread, &thread_attr, exynos_camera_picture, (void *) exynos_camera); + if (rc < 0) + ALOGE("%s: Unable to create thread", __func__); + + exynos_camera->picture_running = 1; + + return; +} + +int exynos_camera_capture_thread_start(struct exynos_camera *exynos_camera) +{ + pthread_attr_t thread_attr; + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->capture_thread_enabled) { + ALOGE("Capture thread was already started!"); + return -1; + } + + pthread_mutex_init(&exynos_camera->capture_mutex, NULL); + pthread_mutex_init(&exynos_camera->capture_lock_mutex, NULL); + + // Initial lock + pthread_mutex_lock(&exynos_camera->capture_lock_mutex); + + pthread_attr_init(&thread_attr); + pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED); + + exynos_camera->capture_thread_enabled = 1; + + rc = pthread_create(&exynos_camera->capture_thread, &thread_attr, exynos_camera_capture_thread, (void *) exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to create thread", __func__); + goto error; + } + + rc = 0; + goto complete; + +error: + pthread_mutex_destroy(&exynos_camera->capture_mutex); + pthread_mutex_destroy(&exynos_camera->capture_lock_mutex); + + rc = -1; + +complete: + return rc; +} + +void exynos_camera_capture_thread_stop(struct exynos_camera *exynos_camera) +{ + int i; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->capture_thread_enabled) { + ALOGE("Capture thread was already stopped!"); + return; + } + + exynos_camera->capture_enabled = 0; + exynos_camera->capture_thread_enabled = 0; + + pthread_mutex_unlock(&exynos_camera->capture_lock_mutex); + + // Wait for the thread to end + i = 0; + while (exynos_camera->capture_thread_running) { + if (i++ > 10000) { + ALOGE("Capture thread is taking too long to end, something is going wrong"); + break; + } + usleep(100); + } + + if (exynos_camera->capture_enabled) { + pthread_mutex_lock(&exynos_camera->capture_mutex); + exynos_camera_capture_stop(exynos_camera); + pthread_mutex_unlock(&exynos_camera->capture_mutex); + } + + pthread_mutex_destroy(&exynos_camera->capture_mutex); + pthread_mutex_destroy(&exynos_camera->capture_lock_mutex); +} + +int exynos_camera_capture_start(struct exynos_camera *exynos_camera) +{ + struct v4l2_streamparm fps_param; + int width, height, format; + int mbus_width, mbus_height; + int buffers_count, buffer_length; + camera_memory_t *memory = NULL; + int value; + int fd; + int rc; + int i; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->capture_enabled) { + ALOGE("Capture was already started!"); + return -1; + } + + width = exynos_camera->capture_width; + height = exynos_camera->capture_height; + format = exynos_camera->capture_format; + + // V4L2 + + if (!exynos_camera->camera_fimc_is) { + ALOGD("Enabling hybrid capture"); + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_HYBRID, 1); + if (rc < 0) { + ALOGE("%s: Unable to set hybrid", __func__); + goto error; + } + } else { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_IS_S_FORMAT_SCENARIO, exynos_camera->fimc_is_mode); + if (rc < 0) { + ALOGE("%s: Unable to set FIMC-IS scenario", __func__); + goto error; + } + } + + rc = exynos_v4l2_enum_fmt_cap(exynos_camera, 0, format); + if (rc < 0) { + ALOGE("%s: Unable to enumerate formats", __func__); + goto error; + } + + mbus_width = width; + mbus_height = height; + + if (exynos_camera->camera_mbus_resolutions != NULL) { + for (i = 0; i < exynos_camera->camera_mbus_resolutions_count; i++) { + if (exynos_camera->camera_mbus_resolutions[i].width == width && exynos_camera->camera_mbus_resolutions[i].height == height) { + mbus_width = exynos_camera->camera_mbus_resolutions[i].mbus_width; + mbus_height = exynos_camera->camera_mbus_resolutions[i].mbus_height; + break; + } + } + } + + if (exynos_camera->camera_fimc_is) { + // Set MBUS width/height/format + rc = exynos_v4l2_s_fmt_pix(exynos_camera, 0, V4L2_BUF_TYPE_PRIVATE, mbus_width, mbus_height, format, exynos_camera->fimc_is_mode, V4L2_PIX_FMT_MODE_PREVIEW); + if (rc < 0) { + ALOGE("%s: Unable to set MBUS capture pixel format", __func__); + goto error; + } + } + + rc = exynos_v4l2_s_fmt_pix_cap(exynos_camera, 0, width, height, format, V4L2_PIX_FMT_MODE_PREVIEW); + if (rc < 0) { + ALOGE("%s: Unable to set capture pixel format", __func__); + goto error; + } + + if (!exynos_camera->camera_fimc_is) { + // Set MBUS width/height/format + rc = exynos_v4l2_s_fmt_pix(exynos_camera, 0, V4L2_BUF_TYPE_PRIVATE, mbus_width, mbus_height, format, V4L2_FIELD_NONE, V4L2_PIX_FMT_MODE_PREVIEW); + if (rc < 0) { + ALOGE("%s: Unable to set MBUS capture pixel format", __func__); + goto error; + } + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CACHEABLE, 0); + if (rc < 0) { + ALOGE("%s: Unable to set cacheable", __func__); + goto error; + } + + // This must be set to 1 for interleaved data decoding + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_EMBEDDEDDATA_ENABLE, 1); + if (rc < 0) { + ALOGE("%s: Unable to set embdedded data enable", __func__); + goto error; + } + } else { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CACHEABLE, 1); + if (rc < 0) { + ALOGE("%s: Unable to set cacheable", __func__); + goto error; + } + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_IS_S_SCENARIO_MODE, exynos_camera->fimc_is_mode); + if (rc < 0) { + ALOGE("%s: Unable to set FIMC-IS scenario mode", __func__); + goto error; + } + } + + // Let's assume FIMC0 has memory available through mmap + + for (i = EXYNOS_CAMERA_CAPTURE_BUFFERS_COUNT; i > 0; i--) { + rc = exynos_v4l2_reqbufs_cap(exynos_camera, 0, i); + if (rc >= 0) + break; + } + + if (rc < 0) { + ALOGE("%s: Unable to request buffers", __func__); + goto error; + } + + buffers_count = rc; + ALOGD("Found %d buffers available for capture!", buffers_count); + + memset(&fps_param, 0, sizeof(fps_param)); + fps_param.parm.capture.timeperframe.numerator = 1; + fps_param.parm.capture.timeperframe.denominator = exynos_camera->preview_fps; + + rc = exynos_v4l2_s_parm_cap(exynos_camera, 0, &fps_param); + if (rc < 0) { + ALOGE("%s: Unable to set fps", __func__); + goto error; + } + + for (i = 0; i < buffers_count; i++) { + rc = exynos_v4l2_querybuf_cap(exynos_camera, 0, i); + if (rc < 0) { + ALOGE("%s: Unable to query buffers", __func__); + goto error; + } + } + + buffer_length = rc; + + value = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_PADDR_Y, 0); + if (value == 0 || value == (int) 0xffffffff) { + ALOGE("%s: Unable to get address", __func__); + goto error; + } + + exynos_camera->capture_memory_address = value; + + if (EXYNOS_CAMERA_CALLBACK_DEFINED(request_memory)) { + fd = exynos_v4l2_fd(exynos_camera, 0); + if (fd < 0) { + ALOGE("%s: Unable to get v4l2 fd for id %d", __func__, 0); + goto error; + } + + exynos_camera->capture_memory = NULL; + + memory = exynos_camera->callbacks.request_memory(fd, buffer_length, buffers_count, exynos_camera->callbacks.user); + if (memory == NULL || memory->data == NULL || memory->data == MAP_FAILED) { + ALOGE("%s: Unable to request memory", __func__); + goto error; + } + + exynos_camera->capture_memory = memory; + + memory = exynos_camera->callbacks.request_memory(-1, 1, 1, exynos_camera->callbacks.user); + + exynos_camera->face_data = memory; + } else { + ALOGE("%s: No memory request function!", __func__); + goto error; + } + + if (!exynos_camera->camera_fimc_is) { + exynos_camera->capture_yuv_buffer = malloc(buffer_length); + exynos_camera->capture_jpeg_buffer = malloc(buffer_length); + } + + // Start EXIF + memset(&exynos_camera->exif, 0, sizeof(struct exynos_exif)); + exynos_exif_start(exynos_camera, &exynos_camera->exif); + + for (i = 0; i < buffers_count; i++) { + rc = exynos_v4l2_qbuf_cap(exynos_camera, 0, i); + if (rc < 0) { + ALOGE("%s: Unable to queue buffer", __func__); + goto error; + } + } + + exynos_camera->capture_buffers_count = buffers_count; + exynos_camera->capture_buffer_length = buffer_length; + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_ROTATION, + exynos_camera->camera_rotation); + if (rc < 0) { + ALOGE("%s: Unable to set rotation", __func__); + goto error; + } + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_HFLIP, + exynos_camera->camera_hflip); + if (rc < 0) { + ALOGE("%s: Unable to set hflip", __func__); + goto error; + } + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_VFLIP, + exynos_camera->camera_vflip); + if (rc < 0) { + ALOGE("%s: Unable to set vflip", __func__); + goto error; + } + + rc = exynos_v4l2_streamon_cap(exynos_camera, 0); + if (rc < 0) { + ALOGE("%s: Unable to start stream", __func__); + goto error; + } + + // Few Scene Modes require to be set after stream on + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SCENE_MODE, exynos_camera->scene_mode); + if (rc < 0) { + ALOGE("%s: Unable to set scene mode", __func__); + goto error; + } + + if (exynos_camera->camera_fimc_is) { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_IS_CMD_FD, IS_FD_COMMAND_START); + if (rc < 0) { + ALOGE("%s: Unable to start face detection", __func__); + goto error; + } + } + + exynos_camera->capture_enabled = 1; + pthread_mutex_unlock(&exynos_camera->capture_lock_mutex); + + rc = 0; + goto complete; + +error: + if (exynos_camera->face_data != NULL && exynos_camera->face_data->release != NULL) { + exynos_camera->face_data->release(exynos_camera->face_data); + exynos_camera->face_data = NULL; + } + if (exynos_camera->capture_memory != NULL && exynos_camera->capture_memory->release != NULL) { + exynos_camera->capture_memory->release(exynos_camera->capture_memory); + exynos_camera->capture_memory = NULL; + } + + rc = -1; + +complete: + return rc; +} + +void exynos_camera_capture_stop(struct exynos_camera *exynos_camera) +{ + int rc; + int i; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->capture_enabled) { + ALOGE("Capture was already stopped!"); + return; + } + + if (!exynos_camera->camera_fimc_is) { + ALOGD("Disabling hybrid capture"); + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_HYBRID, 0); + if (rc < 0) + ALOGE("%s: Unable to set hybrid", __func__); + } + + if (exynos_camera->camera_fimc_is) { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_IS_CMD_FD, IS_FD_COMMAND_STOP); + if (rc < 0) + ALOGE("%s: Unable to stop face detection", __func__); + } + + rc = exynos_v4l2_streamoff_cap(exynos_camera, 0); + if (rc < 0) { + ALOGE("%s: Unable to stop stream", __func__); + } + + if (exynos_camera->face_data != NULL && exynos_camera->face_data->release != NULL) { + exynos_camera->face_data->release(exynos_camera->face_data); + exynos_camera->face_data = NULL; + } + + if (exynos_camera->capture_memory != NULL && exynos_camera->capture_memory->release != NULL) { + exynos_camera->capture_memory->release(exynos_camera->capture_memory); + exynos_camera->capture_memory = NULL; + } + + if (exynos_camera->capture_yuv_buffer != NULL) { + free(exynos_camera->capture_yuv_buffer); + exynos_camera->capture_yuv_buffer = NULL; + } + + if (exynos_camera->capture_jpeg_buffer != NULL) { + free(exynos_camera->capture_jpeg_buffer); + exynos_camera->capture_jpeg_buffer = NULL; + } + + if (&exynos_camera->exif.enabled) + exynos_exif_stop(exynos_camera, &exynos_camera->exif); + + exynos_camera->capture_enabled = 0; +} + +int exynos_camera_capture_setup(struct exynos_camera *exynos_camera) +{ + int width, height, format; + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + format = exynos_camera->camera_capture_format; + + width = exynos_camera->preview_width; + height = exynos_camera->preview_height; + + ALOGD("%s: Selected width: %d, height: %d, format: 0x%x", __func__, width, height, format); + + if (!exynos_camera->capture_enabled) { + exynos_camera->capture_width = width; + exynos_camera->capture_height = height; + exynos_camera->capture_format = format; + + rc = exynos_camera_capture_start(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to start capture", __func__); + return -1; + } + } else if (exynos_camera->capture_width != width || exynos_camera->capture_height != height || exynos_camera->capture_format != format) { + exynos_camera_capture_stop(exynos_camera); + + exynos_camera->capture_width = width; + exynos_camera->capture_height = height; + exynos_camera->capture_format = format; + + rc = exynos_camera_capture_start(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to start capture", __func__); + return -1; + } + } + + return 0; +} + +// Preview + +int exynos_camera_preview_output_start(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->preview_output_enabled) { + ALOGE("Preview was already started!"); + return -1; + } + + output = &exynos_camera->preview_output; + + memset(output, 0, sizeof(struct exynos_v4l2_output)); + output->v4l2_id = 1; + output->width = exynos_camera->preview_width; + output->height = exynos_camera->preview_height; + output->format = exynos_camera->preview_format; + output->buffer_width = exynos_camera->preview_buffer.width; + output->buffer_height = exynos_camera->preview_buffer.height; + output->buffer_format = exynos_camera->preview_buffer.format; + output->buffers_count = EXYNOS_CAMERA_PREVIEW_BUFFERS_COUNT; + + rc = exynos_v4l2_output_start(exynos_camera, output); + if (rc < 0) { + ALOGE("%s: Unable to start preview output", __func__); + goto error; + } + + exynos_camera->preview_output_enabled = 1; + + rc = 0; + goto complete; + +error: + rc = -1; + +complete: + return rc; +} + +void exynos_camera_preview_output_stop(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->preview_output_enabled) { + ALOGE("Preview was already stopped!"); + return; + } + + output = &exynos_camera->preview_output; + + exynos_v4l2_output_stop(exynos_camera, output); + + exynos_camera->preview_output_enabled = 0; +} + +int exynos_camera_preview(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + int width, height, format; + buffer_handle_t *window_buffer; + void *window_data; + int window_stride; + camera_memory_t *memory; + camera_face_t caface[exynos_camera->max_detected_faces]; + void *memory_pointer; + int memory_index; + int memory_size; + int rc; + + if (exynos_camera == NULL) + goto error; + +// ALOGD("%s()", __func__); + + width = exynos_camera->preview_width; + height = exynos_camera->preview_height; + format = exynos_camera->preview_format; + + output = &exynos_camera->preview_output; + + if (exynos_camera->preview_output_enabled) { + rc = exynos_v4l2_output(exynos_camera, output, exynos_camera->preview_buffer.address); + if (rc < 0) { + ALOGE("%s: Unable to output preview", __func__); + goto error; + } + + memory = output->memory; + memory_index = output->memory_index; + memory_pointer = (void *) ((unsigned char *) memory->data + output->buffer_length * memory_index); + memory_size = output->buffer_length; + } else { + // In that case, we can directly use the capture memory + memory = exynos_camera->capture_memory; + memory_index = exynos_camera->capture_memory_index; + memory_pointer = exynos_camera->preview_buffer.pointer; + memory_size = exynos_camera->preview_buffer.length; + } + + if (exynos_camera->preview_window != NULL && exynos_camera->gralloc != NULL) { + exynos_camera->preview_window->dequeue_buffer(exynos_camera->preview_window, &window_buffer, &window_stride); + exynos_camera->gralloc->lock(exynos_camera->gralloc, *window_buffer, GRALLOC_USAGE_SW_WRITE_OFTEN, 0, 0, width, height, &window_data); + + if (window_data == NULL) { + ALOGE("%s: Unable to lock gralloc", __func__); + goto error; + } + + memcpy(window_data, memory_pointer, memory_size); + + exynos_camera->gralloc->unlock(exynos_camera->gralloc, *window_buffer); + exynos_camera->preview_window->enqueue_buffer(exynos_camera->preview_window, window_buffer); + } + + if (exynos_camera->camera_fimc_is) { + exynos_camera->mFaceData.faces = caface; + exynos_v4l2_s_ext_ctrl_face_detection(exynos_camera, 0, &exynos_camera->mFaceData); + } + + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_PREVIEW_FRAME) && EXYNOS_CAMERA_CALLBACK_DEFINED(data) && !exynos_camera->callback_lock) { + exynos_camera->callbacks.data(CAMERA_MSG_PREVIEW_FRAME, memory, memory_index, NULL, exynos_camera->callbacks.user); + } + + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_PREVIEW_METADATA) && EXYNOS_CAMERA_CALLBACK_DEFINED(data) && !exynos_camera->callback_lock) { + exynos_camera->callbacks.data(CAMERA_MSG_PREVIEW_METADATA, exynos_camera->face_data, 0, &exynos_camera->mFaceData, exynos_camera->callbacks.user); + } + + if (exynos_camera->preview_output_enabled) { + rc = exynos_v4l2_output_release(exynos_camera, output); + if (rc < 0) { + ALOGE("%s: Unable to release preview output", __func__); + goto error; + } + } + + rc = 0; + goto complete; + +error: + rc = -1; + +complete: + return rc; +} + +int exynos_camera_preview_start(struct exynos_camera *exynos_camera) +{ + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->preview_enabled) { + ALOGE("Preview was already started!"); + return -1; + } + + exynos_camera_capture_setup(exynos_camera); + + exynos_camera->preview_enabled = 1; + + return 0; +} + +void exynos_camera_preview_stop(struct exynos_camera *exynos_camera) +{ + int i; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->preview_enabled) { + ALOGE("Preview was already stopped!"); + return; + } + + exynos_camera->preview_enabled = 0; + + if (exynos_camera->capture_enabled) { + pthread_mutex_lock(&exynos_camera->capture_mutex); + exynos_camera_capture_stop(exynos_camera); + pthread_mutex_unlock(&exynos_camera->capture_mutex); + } + + if (exynos_camera->preview_output_enabled) + exynos_camera_preview_output_stop(exynos_camera); + + exynos_camera->preview_window = NULL; +} + +// Picture + +void *exynos_camera_picture(void *data) +{ + struct exynos_camera *exynos_camera; + struct exynos_camera_buffer *jpeg_buffer; + struct exynos_camera_buffer *yuv_buffer; + struct exynos_v4l2_output output; + struct exynos_jpeg jpeg; + int output_enabled = 0; + int width, height, format; + int buffer_width, buffer_height, buffer_format, buffer_address; + camera_memory_t *memory = NULL; + int memory_size; + unsigned char *p; + camera_memory_t *jpeg_memory = NULL; + void *jpeg_data = NULL; + int jpeg_size = 0; + camera_memory_t *jpeg_thumbnail_memory = NULL; + void *jpeg_thumbnail_data = NULL; + int jpeg_thumbnail_size = 0; + void *yuv_data = NULL; + int yuv_address = 0; + int yuv_size = 0; + void *yuv_thumbnail_data = NULL; + int yuv_thumbnail_address; + int yuv_thumbnail_size = 0; + int rc; + + exynos_camera = (struct exynos_camera *) data; + + if (exynos_camera == NULL) + goto error; + + ALOGD("%s()", __func__); + + jpeg_buffer = &exynos_camera->picture_jpeg_buffer; + yuv_buffer = &exynos_camera->picture_yuv_buffer; + + if (jpeg_buffer->pointer != NULL && jpeg_buffer->length > 0) { + jpeg_data = jpeg_buffer->pointer; + jpeg_size = jpeg_buffer->length; + } + + if (yuv_buffer->pointer != NULL && yuv_buffer->length > 0) { + yuv_data = yuv_buffer->pointer; + yuv_address = yuv_buffer->address; + yuv_size = yuv_buffer->length; + } + + // JPEG + + if (jpeg_data == NULL) { + if (yuv_data == NULL || yuv_size <= 0) { + ALOGE("%s: Unable to create jpeg without an YUV buffer", __func__); + goto error; + } + + width = exynos_camera->picture_width; + height = exynos_camera->picture_height; + format = yuv_buffer->format; + + buffer_width = yuv_buffer->width; + buffer_height = yuv_buffer->height; + buffer_format = yuv_buffer->format; + buffer_address = yuv_buffer->address; + + if ((width != buffer_width && height != buffer_height) || exynos_camera->camera_fimc_is) { + format = EXYNOS_CAMERA_PICTURE_OUTPUT_FORMAT; + + memset(&output, 0, sizeof(output)); + output.v4l2_id = 2; + output.width = width; + output.height = height; + output.format = format; + output.buffer_width = buffer_width; + output.buffer_height = buffer_height; + output.buffer_format = buffer_format; + output.buffers_count = 1; + + rc = exynos_v4l2_output_start(exynos_camera, &output); + if (rc < 0) { + ALOGE("%s: Unable to start picture output", __func__); + goto error; + } + + rc = exynos_v4l2_output(exynos_camera, &output, buffer_address); + if (rc < 0) { + ALOGE("%s: Unable to output picture", __func__); + goto error; + } + + output_enabled = 1; + + yuv_data = output.memory->data; + yuv_address = output.memory_address; + yuv_size = output.buffer_length; + + if (exynos_camera->camera_fimc_is) + exynos_exif_create(exynos_camera, &exynos_camera->exif); + } + + memset(&jpeg, 0, sizeof(jpeg)); + jpeg.width = width; + jpeg.height = height; + jpeg.format = format; + jpeg.quality = exynos_camera->jpeg_quality; + + rc = exynos_jpeg_start(exynos_camera, &jpeg); + if (rc < 0) { + ALOGE("%s: Unable to start jpeg", __func__); + goto error; + } + + if (jpeg.memory_in_pointer == NULL) { + ALOGE("%s: Invalid memory input pointer", __func__); + goto error; + } + + memcpy(jpeg.memory_in_pointer, yuv_data, yuv_size); + + rc = exynos_jpeg(exynos_camera, &jpeg); + if (rc < 0) { + ALOGE("%s: Unable to jpeg", __func__); + goto error; + } + + jpeg_size = jpeg.memory_out_size; + if (jpeg_size <= 0) { + ALOGE("%s: Invalid jpeg size", __func__); + goto error; + } + + if (EXYNOS_CAMERA_CALLBACK_DEFINED(request_memory)) { + jpeg_memory = exynos_camera->callbacks.request_memory(-1, jpeg_size, 1, exynos_camera->callbacks.user); + if (jpeg_memory == NULL || jpeg_memory->data == NULL || jpeg_memory->data == MAP_FAILED) { + ALOGE("%s: Unable to request memory", __func__); + goto error; + } + } else { + ALOGE("%s: No memory request function!", __func__); + goto error; + } + + jpeg_data = jpeg_memory->data; + + memcpy(jpeg_data, jpeg.memory_out_pointer, jpeg_size); + + exynos_jpeg_stop(exynos_camera, &jpeg); + + if (output_enabled) { + exynos_v4l2_output_stop(exynos_camera, &output); + output_enabled = 0; + } + } + + // Thumbnail + + if (yuv_data == NULL || yuv_size <= 0) { + ALOGE("%s: Unable to create jpeg thumbnail without an YUV buffer", __func__); + goto error; + } + + width = exynos_camera->jpeg_thumbnail_width; + height = exynos_camera->jpeg_thumbnail_height; + format = yuv_buffer->format; + + buffer_width = yuv_buffer->width; + buffer_height = yuv_buffer->height; + buffer_format = yuv_buffer->format; + buffer_address = yuv_buffer->address; + + if (width != buffer_width && height != buffer_height) { + format = EXYNOS_CAMERA_PICTURE_OUTPUT_FORMAT; + + memset(&output, 0, sizeof(output)); + output.v4l2_id = 2; + output.width = width; + output.height = height; + output.format = format; + output.buffer_width = buffer_width; + output.buffer_height = buffer_height; + output.buffer_format = buffer_format; + output.buffers_count = 1; + + rc = exynos_v4l2_output_start(exynos_camera, &output); + if (rc < 0) { + ALOGE("%s: Unable to start thumbnail picture output", __func__); + goto error; + } + + output_enabled = 1; + + rc = exynos_v4l2_output(exynos_camera, &output, buffer_address); + if (rc < 0) { + ALOGE("%s: Unable to output thumbnail picture", __func__); + goto error; + } + + yuv_thumbnail_data = output.memory->data; + yuv_thumbnail_address = output.memory_address; + yuv_thumbnail_size = output.buffer_length; + } + + memset(&jpeg, 0, sizeof(jpeg)); + jpeg.width = width; + jpeg.height = height; + jpeg.format = format; + jpeg.quality = exynos_camera->jpeg_thumbnail_quality; + + rc = exynos_jpeg_start(exynos_camera, &jpeg); + if (rc < 0) { + ALOGE("%s: Unable to start jpeg", __func__); + goto error; + } + + if (jpeg.memory_in_pointer == NULL) { + ALOGE("%s: Invalid memory input pointer", __func__); + goto error; + } + + memcpy(jpeg.memory_in_pointer, yuv_thumbnail_data, yuv_thumbnail_size); + + rc = exynos_jpeg(exynos_camera, &jpeg); + if (rc < 0) { + ALOGE("%s: Unable to jpeg", __func__); + goto error; + } + + jpeg_thumbnail_size = jpeg.memory_out_size; + if (jpeg_thumbnail_size <= 0) { + ALOGE("%s: Invalid jpeg size", __func__); + goto error; + } + + if (EXYNOS_CAMERA_CALLBACK_DEFINED(request_memory)) { + jpeg_thumbnail_memory = exynos_camera->callbacks.request_memory(-1, jpeg_thumbnail_size, 1, exynos_camera->callbacks.user); + if (jpeg_thumbnail_memory == NULL || jpeg_thumbnail_memory->data == NULL || jpeg_thumbnail_memory->data == MAP_FAILED) { + ALOGE("%s: Unable to request memory", __func__); + goto error; + } + } else { + ALOGE("%s: No memory request function!", __func__); + goto error; + } + + jpeg_thumbnail_data = jpeg_thumbnail_memory->data; + + memcpy(jpeg_thumbnail_data, jpeg.memory_out_pointer, jpeg_thumbnail_size); + + exynos_jpeg_stop(exynos_camera, &jpeg); + + if (output_enabled) { + exynos_v4l2_output_stop(exynos_camera, &output); + output_enabled = 0; + } + + // EXIF + exynos_exif_create(exynos_camera, &exynos_camera->exif); + + exynos_camera->exif.jpeg_thumbnail_data = jpeg_thumbnail_data; + exynos_camera->exif.jpeg_thumbnail_size = jpeg_thumbnail_size; + + rc = exynos_exif(exynos_camera, &exynos_camera->exif); + if (rc < 0) { + ALOGE("%s: Unable to exif", __func__); + goto error; + } + + memory_size = exynos_camera->exif.memory_size + jpeg_size; + + if (EXYNOS_CAMERA_CALLBACK_DEFINED(request_memory)) { + memory = exynos_camera->callbacks.request_memory(-1, memory_size, 1, exynos_camera->callbacks.user); + if (memory == NULL || memory->data == NULL || memory->data == MAP_FAILED) { + ALOGE("%s: Unable to request memory", __func__); + goto error; + } + } else { + ALOGE("%s: No memory request function!", __func__); + goto error; + } + + p = (unsigned char *) memory->data; + + // Copy the first two bytes of the JPEG picture + memcpy(p, jpeg_data, 2); + p += 2; + + // Copy the EXIF data + memcpy(p, exynos_camera->exif.memory->data, exynos_camera->exif.memory_size); + p += exynos_camera->exif.memory_size; + + // Copy the JPEG picture + memcpy(p, (void *) ((unsigned char *) jpeg_data + 2), jpeg_size - 2); + + exynos_camera->picture_memory = memory; + + goto complete; + +error: + if (output_enabled) + exynos_v4l2_output_stop(exynos_camera, &output); + + if (memory != NULL && memory->release != NULL) { + memory->release(memory); + exynos_camera->picture_memory = NULL; + } + + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_ERROR) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify) && !exynos_camera->callback_lock) + exynos_camera->callbacks.notify(CAMERA_MSG_ERROR, -1, 0, exynos_camera->callbacks.user); + +complete: + if (jpeg_memory != NULL && jpeg_memory->release != NULL) + jpeg_memory->release(jpeg_memory); + + if (jpeg_thumbnail_memory != NULL && jpeg_thumbnail_memory->release != NULL) + jpeg_thumbnail_memory->release(jpeg_thumbnail_memory); + + + exynos_camera->picture_completed = 1; + + exynos_camera_picture_stop(exynos_camera); + exynos_camera->picture_running = 0; + + return NULL; +} + +int exynos_camera_picture_start(struct exynos_camera *exynos_camera) +{ + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->picture_enabled) { + ALOGE("Picture was already started!"); + return 0; + } + + if (!exynos_camera->camera_fimc_is) { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_CAPTURE, 0); + if (rc < 0) { + ALOGE("%s: Unable to set capture", __func__); + return -1; + } + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_HYBRID_CAPTURE, 1); + if (rc < 0) { + ALOGE("%s: Unable to set hybrid capture", __func__); + return -1; + } + } + + exynos_camera->picture_enabled = 1; + + return 0; +} + +void exynos_camera_picture_stop(struct exynos_camera *exynos_camera) +{ + camera_memory_t *memory; + int rc, i; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->picture_enabled) { + ALOGE("Picture was already stopped!"); + return; + } + + memory = exynos_camera->picture_memory; + + if (exynos_camera->picture_completed && memory != NULL) { + // It is important to return at this point (and not before) for burst + + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_SHUTTER) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify) && !exynos_camera->callback_lock) + exynos_camera->callbacks.notify(CAMERA_MSG_SHUTTER, 0, 0, exynos_camera->callbacks.user); + + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_COMPRESSED_IMAGE) && EXYNOS_CAMERA_CALLBACK_DEFINED(data) && !exynos_camera->callback_lock) + exynos_camera->callbacks.data(CAMERA_MSG_COMPRESSED_IMAGE, memory, 0, NULL, exynos_camera->callbacks.user); + + if (memory->release != NULL) { + memory->release(memory); + exynos_camera->picture_memory = NULL; + } + } + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_AEAWB_LOCK_UNLOCK, AE_UNLOCK_AWB_UNLOCK); + if (rc < 0) + ALOGE("%s: Unable to set AEAWB lock", __func__); + + exynos_camera->picture_enabled = 0; +} + +// Recording + +int exynos_camera_recording_output_start(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->recording_output_enabled) { + ALOGE("Recording was already started!"); + return -1; + } + + output = &exynos_camera->recording_output; + + memset(output, 0, sizeof(struct exynos_v4l2_output)); + output->v4l2_id = 3; + output->width = exynos_camera->recording_width; + output->height = exynos_camera->recording_height; + output->format = exynos_camera->recording_format; + output->buffer_width = exynos_camera->recording_buffer.width; + output->buffer_height = exynos_camera->recording_buffer.height; + output->buffer_format = exynos_camera->recording_buffer.format; + output->buffers_count = EXYNOS_CAMERA_RECORDING_BUFFERS_COUNT; + + rc = exynos_v4l2_output_start(exynos_camera, output); + if (rc < 0) { + ALOGE("%s: Unable to start recording output", __func__); + goto error; + } + + exynos_camera->recording_output_enabled = 1; + + rc = 0; + goto complete; + +error: + rc = -1; + +complete: + return rc; +} + +void exynos_camera_recording_output_stop(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->recording_output_enabled) { + ALOGE("Recording was already stopped!"); + return; + } + + output = &exynos_camera->recording_output; + + exynos_v4l2_output_stop(exynos_camera, output); + + exynos_camera->recording_output_enabled = 0; +} + +void exynos_camera_recording_frame_release(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + int rc; + + if (exynos_camera == NULL) + return; + +// ALOGD("%s()", __func__); + + output = &exynos_camera->recording_output; + + if (!exynos_camera->recording_output_enabled) { + ALOGE("%s: Recording output should always be enabled", __func__); + return; + } + + rc = exynos_v4l2_output_release(exynos_camera, output); + if (rc < 0) { + ALOGE("%s: Unable to release recording output", __func__); + return; + } +} + +int exynos_camera_recording(struct exynos_camera *exynos_camera) +{ + struct exynos_v4l2_output *output; + struct exynos_camera_addrs *addrs; + int width, height, format; + camera_memory_t *memory; + int memory_address; + int memory_index; + int buffer_length; + int buffers_count; + nsecs_t timestamp; + int rc; + + if (exynos_camera == NULL) + goto error; + +// ALOGD("%s()", __func__); + + width = exynos_camera->recording_width; + height = exynos_camera->recording_height; + format = exynos_camera->recording_format; + + output = &exynos_camera->recording_output; + + buffer_length = exynos_camera->recording_buffer_length; + buffers_count = exynos_camera->recording_buffers_count; + + timestamp = systemTime(1); + + if (!exynos_camera->recording_output_enabled) { + ALOGE("%s: Recording output should always be enabled", __func__); + goto error; + } + + rc = exynos_v4l2_output(exynos_camera, output, exynos_camera->recording_buffer.address); + if (rc < 0) { + ALOGE("%s: Unable to output recording", __func__); + goto error; + } + + if (exynos_camera->recording_metadata) { + memory = exynos_camera->recording_memory; + memory_index = exynos_camera->recording_memory_index; + memory_address = output->memory_address + output->buffer_length * output->memory_index; + + addrs = (struct exynos_camera_addrs *) ((unsigned char *) memory->data + buffer_length * memory_index); + memset(addrs, 0, sizeof(struct exynos_camera_addrs)); + addrs->type = 0; // kMetadataBufferTypeCameraSource + addrs->index = memory_index; + + exynos_camera_yuv_planes(width, height, format, memory_address, (int *) &addrs->y, (int *) &addrs->cbcr, NULL); + } else { + memory = output->memory; + memory_index = output->memory_index; + } + + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_VIDEO_FRAME) && EXYNOS_CAMERA_CALLBACK_DEFINED(data_timestamp) && !exynos_camera->callback_lock) + exynos_camera->callbacks.data_timestamp(timestamp, CAMERA_MSG_VIDEO_FRAME, memory, memory_index, exynos_camera->callbacks.user); + else + exynos_camera_recording_frame_release(exynos_camera); + + rc = 0; + goto complete; + +error: + rc = -1; + +complete: + return rc; +} + +int exynos_camera_recording_start(struct exynos_camera *exynos_camera) +{ + int rc; + + camera_memory_t *memory = NULL; + int buffer_length; + int buffers_count; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + if (exynos_camera->recording_enabled) { + ALOGE("Recording was already started!"); + return -1; + } + + exynos_camera->recording_enabled = 1; + + if (exynos_camera->recording_metadata) { + buffer_length = sizeof(struct exynos_camera_addrs); + buffers_count = EXYNOS_CAMERA_RECORDING_BUFFERS_COUNT; + + if (EXYNOS_CAMERA_CALLBACK_DEFINED(request_memory)) { + memory = exynos_camera->callbacks.request_memory(-1, buffer_length, buffers_count, exynos_camera->callbacks.user); + if (memory == NULL || memory->data == NULL || memory->data == MAP_FAILED) { + ALOGE("%s: Unable to request memory", __func__); + goto error; + } + } else { + ALOGE("%s: No memory request function!", __func__); + goto error; + } + + exynos_camera->recording_memory = memory; + exynos_camera->recording_buffer_length = buffer_length; + exynos_camera->recording_buffers_count = buffers_count; + } + + rc = 0; + goto complete; + +error: + if (memory != NULL && memory->release != NULL) { + memory->release(memory); + exynos_camera->recording_memory = NULL; + } + + rc = -1; + +complete: + return rc; +} + +void exynos_camera_recording_stop(struct exynos_camera *exynos_camera) +{ + int i; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (!exynos_camera->recording_enabled) { + ALOGE("Recording was already stopped!"); + return; + } + + exynos_camera->recording_enabled = 0; + +} + +// Auto-focus + + +int exynos_camera_auto_focus(struct exynos_camera *exynos_camera, int auto_focus_status) +{ + if (exynos_camera == NULL) + return -EINVAL; + +// ALOGD("%s()", __func__); + + switch (auto_focus_status) { + case CAMERA_AF_STATUS_SUCCESS: + if (exynos_camera->auto_focus_started) { + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_FOCUS) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify) && !exynos_camera->callback_lock) + exynos_camera->callbacks.notify(CAMERA_MSG_FOCUS, 1, 0, exynos_camera->callbacks.user); + exynos_camera_auto_focus_finish(exynos_camera); + } + break; + case CAMERA_AF_STATUS_FAIL: + if (exynos_camera->auto_focus_started) { + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_FOCUS) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify) && !exynos_camera->callback_lock) + exynos_camera->callbacks.notify(CAMERA_MSG_FOCUS, 0, 0, exynos_camera->callbacks.user); + exynos_camera_auto_focus_finish(exynos_camera); + } + break; + case CAMERA_AF_STATUS_IN_PROGRESS: + exynos_camera->auto_focus_started = 1; + break; + case CAMERA_AF_STATUS_RESTART: + default: + break; + } + + return 0; +} + +int exynos_camera_continuous_auto_focus(struct exynos_camera *exynos_camera, int auto_focus_status) +{ + if (exynos_camera == NULL) + return -EINVAL; + + switch (auto_focus_status) { + case CAMERA_AF_STATUS_IN_PROGRESS: + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_FOCUS_MOVE) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify) && !exynos_camera->callback_lock) + exynos_camera->callbacks.notify(CAMERA_MSG_FOCUS_MOVE, 1, 0, exynos_camera->callbacks.user); + + break; + case CAMERA_AF_STATUS_SUCCESS: + if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_FOCUS_MOVE) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify) && !exynos_camera->callback_lock) + exynos_camera->callbacks.notify(CAMERA_MSG_FOCUS_MOVE, 0, 0, exynos_camera->callbacks.user); + break; + case CAMERA_AF_STATUS_RESTART: + default: + break; + } + + return 0; +} + +int exynos_camera_auto_focus_start(struct exynos_camera *exynos_camera) +{ + int auto_focus; + int rc; + + if (exynos_camera == NULL) + return -EINVAL; + + ALOGD("%s()", __func__); + + auto_focus = AUTO_FOCUS_ON | (exynos_camera->preview_width & 0xfff) << 20 | (exynos_camera->preview_height & 0xfff) << 8; + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SET_AUTO_FOCUS, auto_focus); + if (rc < 0) { + ALOGE("%s: Unable to set auto-focus on", __func__); + goto error; + } + + exynos_camera->auto_focus_enabled = 1; + + rc = 0; + goto complete; + +error: + + rc = -1; + +complete: + return rc; +} + +void exynos_camera_auto_focus_finish(struct exynos_camera *exynos_camera) +{ + int rc; + + ALOGD("%s()", __func__); + + if (!exynos_camera->auto_focus_enabled) { + return; + } + + exynos_camera->auto_focus_enabled = 0; + exynos_camera->auto_focus_started = 0; + + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_AEAWB_LOCK_UNLOCK, AE_UNLOCK_AWB_UNLOCK); + if (rc < 0) + ALOGE("%s: Unable to set AEAWB lock", __func__); +} + +void exynos_camera_auto_focus_stop(struct exynos_camera *exynos_camera) +{ + int rc; + int i; + + if (exynos_camera == NULL) + return; + + ALOGD("%s()", __func__); + + if (exynos_camera->auto_focus_enabled) { + rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SET_AUTO_FOCUS, AUTO_FOCUS_OFF); + if (rc < 0) + ALOGE("%s: Unable to set auto-focus off", __func__); + exynos_camera_auto_focus_finish(exynos_camera); + } + +} + +/* + * Exynos Camera OPS + */ + +int exynos_camera_set_preview_window(struct camera_device *dev, + struct preview_stream_ops *w) +{ + struct exynos_camera *exynos_camera; + + int width, height, format, gralloc_format; + + buffer_handle_t *buffer; + int stride; + void *addr = NULL; + + int rc; + + ALOGD("%s(%p, %p)", __func__, dev, w); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + if (w == NULL) { + exynos_camera->preview_window = NULL; + return 0; + } + + if (w->set_buffer_count == NULL || w->set_usage == NULL || w->set_buffers_geometry == NULL) + goto error; + + rc = w->set_buffer_count(w, EXYNOS_CAMERA_GRALLOC_BUFFERS_COUNT); + if (rc) { + ALOGE("%s: Unable to set buffer count: %d", __func__, EXYNOS_CAMERA_GRALLOC_BUFFERS_COUNT); + goto error; + } + + rc = w->set_usage(w, GRALLOC_USAGE_SW_WRITE_OFTEN); + if (rc) { + ALOGE("%s: Unable to set usage", __func__); + goto error; + } + + width = exynos_camera->preview_width; + height = exynos_camera->preview_height; + format = exynos_camera->preview_format; + + switch (format) { + case V4L2_PIX_FMT_NV21: + gralloc_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; + break; + case V4L2_PIX_FMT_YUV420: + gralloc_format = HAL_PIXEL_FORMAT_YV12; + break; + case V4L2_PIX_FMT_RGB565: + gralloc_format = HAL_PIXEL_FORMAT_RGB_565; + break; + case V4L2_PIX_FMT_RGB32: + gralloc_format = HAL_PIXEL_FORMAT_RGBX_8888; + break; + default: + gralloc_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; + break; + } + + rc = w->set_buffers_geometry(w, width, height, gralloc_format); + if (rc) { + ALOGE("%s: Unable to set buffers geometry", __func__); + goto error; + } + + exynos_camera->preview_window = w; + + rc = 0; + goto complete; + +error: + exynos_camera->preview_window = NULL; + rc = -1; + +complete: + return rc; +} + +void exynos_camera_set_callbacks(struct camera_device *dev, + camera_notify_callback notify_cb, + camera_data_callback data_cb, + camera_data_timestamp_callback data_cb_timestamp, + camera_request_memory get_memory, + void *user) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p, %p)", __func__, dev, user); + + if (dev == NULL || dev->priv == NULL) + return; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callbacks.notify = notify_cb; + exynos_camera->callbacks.data = data_cb; + exynos_camera->callbacks.data_timestamp = data_cb_timestamp; + exynos_camera->callbacks.request_memory = get_memory; + exynos_camera->callbacks.user = user; +} + +void exynos_camera_enable_msg_type(struct camera_device *dev, int32_t msg_type) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p, %d)", __func__, dev, msg_type); + + if (dev == NULL || dev->priv == NULL) + return; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->messages_enabled |= msg_type; +} + +void exynos_camera_disable_msg_type(struct camera_device *dev, int32_t msg_type) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p, %d)", __func__, dev, msg_type); + + if (dev == NULL || dev->priv == NULL) + return; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->messages_enabled &= ~msg_type; +} + +int exynos_camera_msg_type_enabled(struct camera_device *dev, int32_t msg_type) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p, %d)", __func__, dev, msg_type); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + return exynos_camera->messages_enabled & msg_type; +} + +int exynos_camera_start_preview(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + int rc; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callback_lock = 1; + rc = exynos_camera_preview_start(exynos_camera); + exynos_camera->callback_lock = 0; + + return rc; +} + +void exynos_camera_stop_preview(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callback_lock = 1; + exynos_camera_preview_stop(exynos_camera); + exynos_camera->callback_lock = 0; +} + +int exynos_camera_preview_enabled(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + return exynos_camera->preview_enabled; +} + +int exynos_camera_store_meta_data_in_buffers(struct camera_device *dev, + int enable) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p, %d)", __func__, dev, enable); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + if (!exynos_camera->recording_enabled) + exynos_camera->recording_metadata = enable; + else + ALOGE("%s: Recording is running!", __func__); + + return 0; +} + +int exynos_camera_start_recording(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + int rc; + + ALOGD("%s(%p)", __func__, dev); + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callback_lock = 1; + rc = exynos_camera_recording_start(exynos_camera); + exynos_camera->callback_lock = 0; + + return rc; +} + +void exynos_camera_stop_recording(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callback_lock = 1; + exynos_camera_recording_stop(exynos_camera); + exynos_camera->callback_lock = 0; +} + +int exynos_camera_recording_enabled(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + return exynos_camera->recording_enabled; +} + +void exynos_camera_release_recording_frame(struct camera_device *dev, + const void *opaque) +{ + struct exynos_camera *exynos_camera; + +// ALOGD("%s(%p, %p)", __func__, dev, opaque); + + if (dev == NULL || dev->priv == NULL) + return; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera_recording_frame_release(exynos_camera); +} + +int exynos_camera_start_auto_focus(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + return exynos_camera_auto_focus_start(exynos_camera); +} + +int exynos_camera_cancel_auto_focus(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera_auto_focus_stop(exynos_camera); + + return 0; +} + +int exynos_camera_take_picture(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + int rc; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callback_lock = 1; + rc = exynos_camera_picture_start(exynos_camera); + exynos_camera->callback_lock = 0; + + return rc; +} + +int exynos_camera_cancel_picture(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + int rc; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera->callback_lock = 1; + exynos_camera_picture_stop(exynos_camera); + exynos_camera->callback_lock = 0; + + return 0; +} + +int exynos_camera_set_parameters(struct camera_device *dev, + const char *params) +{ + struct exynos_camera *exynos_camera; + int rc; + + ALOGD("%s(%p, %s)", __func__, dev, params); + + if (dev == NULL || dev->priv == NULL || params == NULL) + return -EINVAL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + if (strstr(params, "gps-timestamp=") == NULL) { + /* Make sure the GPS data is ignored, it may have + * been explicitly erased with removeGpsData() + */ + exynos_param_int_set(exynos_camera, "gps-timestamp", -1); + exynos_param_int_set(exynos_camera, "gps-latitude", -1); + exynos_param_int_set(exynos_camera, "gps-longitude", -1); + } + + rc = exynos_params_string_set(exynos_camera, (char *) params); + if (rc < 0) { + ALOGE("%s: Unable to set params string", __func__); + return -1; + } + + rc = exynos_camera_params_apply(exynos_camera, 0); + if (rc < 0) { + ALOGE("%s: Unable to apply params", __func__); + return -1; + } + + return 0; +} + +char *exynos_camera_get_parameters(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + char *params; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return NULL; + + exynos_camera = (struct exynos_camera *) dev->priv; + + params = exynos_params_string_get(exynos_camera); + if (params == NULL) { + ALOGE("%s: Couldn't find any param", __func__); + return strdup(""); + } + + return params; +} + +void exynos_camera_put_parameters(struct camera_device *dev, char *params) +{ + ALOGD("%s(%p)", __func__, dev); + + if (params != NULL) + free(params); +} + +int setFaceDetect(struct exynos_camera *exynos_camera, int face_detect) +{ + ALOGD("%s(face_detect(%d))", __func__, face_detect); + if (exynos_camera->camera_fimc_is) { + if (face_detect < IS_FD_COMMAND_STOP || IS_FD_COMMAND_MAX <= face_detect) { + ALOGE("ERR(%s):Invalid face_detect value (%d)", __func__, face_detect); + return -1; + } + } else { + if (face_detect < FACE_DETECTION_OFF || FACE_DETECTION_MAX <= face_detect) { + ALOGE("ERR(%s):Invalid face_detect value (%d)", __func__, face_detect); + return -1; + } + } + + if (exynos_camera->camera_fimc_is) { + if (exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_IS_CMD_FD, face_detect) < 0) { + ALOGE("ERR(%s):Fail on V4L2_CID_IS_CMD_FD", __func__); + return -1; + } + } else { + if (exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_FACE_DETECTION, face_detect) < 0) { + ALOGE("ERR(%s):Fail on V4L2_CID_CAMERA_FACE_DETECTION", __func__); + return -1; + } + } + + return 0; +} + +int exynos_camera_send_command(struct camera_device *dev, + int32_t cmd, int32_t arg1, int32_t arg2) +{ + struct exynos_camera *exynos_camera; + exynos_camera = (struct exynos_camera *) dev->priv; + + ALOGD("%s(%p, %d, %d, %d)", __func__, dev, cmd, arg1, arg2); + switch (cmd) { + case CAMERA_CMD_START_FACE_DETECTION: + if (setFaceDetect(exynos_camera, FACE_DETECTION_ON) < 0) { + ALOGE("ERR: Fail on setFaceDetect(ON)"); + return -EINVAL; + } else { + return 0; + } + break; + case CAMERA_CMD_STOP_FACE_DETECTION: + if (setFaceDetect(exynos_camera, FACE_DETECTION_OFF) < 0) { + ALOGE("ERR: Fail on setFaceDetect(OFF)"); + return -EINVAL; + } else { + return 0; + } + break; + default: + break; + } + + return 0; +} + +void exynos_camera_release(struct camera_device *dev) +{ + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, dev); + + if (dev == NULL || dev->priv == NULL) + return; + + exynos_camera = (struct exynos_camera *) dev->priv; + + exynos_camera_capture_thread_stop(exynos_camera); + + exynos_camera_stop(exynos_camera); +} + +int exynos_camera_dump(struct camera_device *dev, int fd) +{ + ALOGD("%s(%p, %d)", __func__, dev, fd); + + return 0; +} + +/* + * Interface + */ + +struct camera_device_ops exynos_camera_ops = { + .set_preview_window = exynos_camera_set_preview_window, + .set_callbacks = exynos_camera_set_callbacks, + .enable_msg_type = exynos_camera_enable_msg_type, + .disable_msg_type = exynos_camera_disable_msg_type, + .msg_type_enabled = exynos_camera_msg_type_enabled, + .start_preview = exynos_camera_start_preview, + .stop_preview = exynos_camera_stop_preview, + .preview_enabled = exynos_camera_preview_enabled, + .store_meta_data_in_buffers = exynos_camera_store_meta_data_in_buffers, + .start_recording = exynos_camera_start_recording, + .stop_recording = exynos_camera_stop_recording, + .recording_enabled = exynos_camera_recording_enabled, + .release_recording_frame = exynos_camera_release_recording_frame, + .auto_focus = exynos_camera_start_auto_focus, + .cancel_auto_focus = exynos_camera_cancel_auto_focus, + .take_picture = exynos_camera_take_picture, + .cancel_picture = exynos_camera_cancel_picture, + .set_parameters = exynos_camera_set_parameters, + .get_parameters = exynos_camera_get_parameters, + .put_parameters = exynos_camera_put_parameters, + .send_command = exynos_camera_send_command, + .release = exynos_camera_release, + .dump = exynos_camera_dump, +}; + +int exynos_camera_close(hw_device_t *device) +{ + struct camera_device *camera_device; + struct exynos_camera *exynos_camera; + + ALOGD("%s(%p)", __func__, device); + + if (device == NULL) + return -EINVAL; + + camera_device = (struct camera_device *) device; + + if (camera_device->priv != NULL) { + free(camera_device->priv); + } + + free(camera_device); + + return 0; +} + +int exynos_camera_open(const struct hw_module_t* module, const char *camera_id, + struct hw_device_t** device) +{ + struct camera_device *camera_device = NULL; + struct exynos_camera *exynos_camera = NULL; + int id; + int rc; + + ALOGD("%s(%p, %s, %p)", __func__, module, camera_id, device); + + if (module == NULL || camera_id == NULL || device == NULL) + return -EINVAL; + + id = atoi(camera_id); + if (id < 0) + return -EINVAL; + + exynos_camera = calloc(1, sizeof(struct exynos_camera)); + exynos_camera->config = exynos_camera_config; + + if (exynos_camera->config->v4l2_nodes_count > EXYNOS_CAMERA_MAX_V4L2_NODES_COUNT) + goto error_preset; + + if (id >= exynos_camera->config->presets_count) + goto error_preset; + + rc = exynos_camera_start(exynos_camera, id); + if (rc < 0) { + ALOGE("%s: Unable to start camera", __func__); + goto error; + } + + rc = exynos_camera_capture_thread_start(exynos_camera); + if (rc < 0) { + ALOGE("%s: Unable to start capture thread", __func__); + goto error; + } + + camera_device = calloc(1, sizeof(struct camera_device)); + camera_device->common.tag = HARDWARE_DEVICE_TAG; + camera_device->common.version = 0; + camera_device->common.module = (struct hw_module_t *) module; + camera_device->common.close = exynos_camera_close; + + camera_device->ops = &exynos_camera_ops; + camera_device->priv = exynos_camera; + + *device = (struct hw_device_t *) &(camera_device->common); + + return 0; + +error: + exynos_camera_stop(exynos_camera); + +error_device: + if (camera_device != NULL) + free(camera_device); + +error_preset: + if (exynos_camera != NULL) + free(exynos_camera); + + return -1; +} + +int exynos_camera_get_number_of_cameras(void) +{ + ALOGD("%s()", __func__); + + if (exynos_camera_config == NULL || exynos_camera_config->presets == NULL) { + ALOGE("%s: Unable to find proper camera config", __func__); + return -1; + } + + return exynos_camera_config->presets_count; +} + +int exynos_camera_get_camera_info(int id, struct camera_info *info) +{ + ALOGD("%s(%d, %p)", __func__, id, info); + + if (id < 0 || info == NULL) + return -EINVAL; + + if (exynos_camera_config == NULL || exynos_camera_config->presets == NULL) { + ALOGE("%s: Unable to find proper camera config", __func__); + return -1; + } + + if (id >= exynos_camera_config->presets_count) + return -EINVAL; + + ALOGD("Selected camera: %s", exynos_camera_config->presets[id].name); + + info->facing = exynos_camera_config->presets[id].facing; + info->orientation = exynos_camera_config->presets[id].orientation; + + return 0; +} + +struct hw_module_methods_t exynos_camera_module_methods = { + .open = exynos_camera_open, +}; + +struct camera_module HAL_MODULE_INFO_SYM = { + .common = { + .tag = HARDWARE_MODULE_TAG, + .hal_api_version = HARDWARE_HAL_API_VERSION, + .module_api_version = CAMERA_MODULE_API_VERSION_1_0, + .id = CAMERA_HARDWARE_MODULE_ID, + .name = "Exynos Camera - Dheeraj CVR", + .author = "Paul Kocialkowski", + .methods = &exynos_camera_module_methods, + }, + .get_number_of_cameras = exynos_camera_get_number_of_cameras, + .get_camera_info = exynos_camera_get_camera_info, +}; 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