/* * 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 . */ #include #include #include #include #include #include #include #include #include #include #include #include #include #define LOG_TAG "exynos_camera" #include #include #include "exynos_camera.h" /* * Devices configurations */ struct exynos_camera_preset exynos_camera_presets_galaxys2[] = { { .name = "M5MO", .facing = CAMERA_FACING_BACK, .orientation = 90, .rotation = 0, .hflip = 0, .vflip = 0, .picture_format = V4L2_PIX_FMT_JPEG, .focal_length = 4.03f, .horizontal_view_angle = 60.5f, .vertical_view_angle = 47.1f, .metering = METERING_CENTER, .params = { .preview_size_values = "1280x720,640x480,720x480,800x480,800x450,352x288,320x240,176x144", .preview_size = "640x480", .preview_format_values = "yuv420sp,yuv420p,rgb565", .preview_format = "yuv420sp", .preview_frame_rate_values = "30,25,20,15,10,7", .preview_frame_rate = 30, .preview_fps_range_values = "(7000,30000)", .preview_fps_range = "7000,30000", .picture_size_values = "3264x2448,3264x1968,2048x1536,2048x1232,1280x960,800x480,640x480", .picture_size = "3264x2448", .picture_format_values = "jpeg", .picture_format = "jpeg", .jpeg_thumbnail_size_values = "320x240,400x240,0x0", .jpeg_thumbnail_width = 320, .jpeg_thumbnail_height = 240, .jpeg_thumbnail_quality = 100, .jpeg_quality = 90, .video_snapshot_supported = 0, .full_video_snap_supported = 0, .recording_size = "720x480", .recording_size_values = "1920x1080,1280x720,720x480,640x480", .recording_format = "yuv420sp", .focus_mode = "auto", .focus_mode_values = "auto,infinity,macro,fixed,facedetect,continuous-video", .focus_distances = "0.15,1.20,Infinity", .focus_areas = "(0,0,0,0,0)", .max_num_focus_areas = 1, .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, .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", .scene_mode = "auto", .scene_mode_values = "auto,portrait,landscape,night,beach,snow,sunset,fireworks,action,party,candlelight,dusk-dawn,fall-color,back-light,text", .effect = "none", .effect_values = "none,mono,negative,sepia,aqua", .iso = "auto", .iso_values = "auto,ISO50,ISO100,ISO200,ISO400,ISO800", }, }, { .name = "S5K5BAFX", .facing = CAMERA_FACING_FRONT, .orientation = 270, .rotation = 0, .hflip = 0, .vflip = 0, .picture_format = V4L2_PIX_FMT_YUYV, .focal_length = 2.73f, .horizontal_view_angle = 51.2f, .vertical_view_angle = 39.4f, .metering = METERING_CENTER, .params = { .preview_size_values = "640x480,352x288,320x240,176x144", .preview_size = "640x480", .preview_format_values = "yuv420sp,yuv420p,rgb565", .preview_format = "yuv420sp", .preview_frame_rate_values = "30,25,20,15,10,7", .preview_frame_rate = 30, .preview_fps_range_values = "(7000,30000)", .preview_fps_range = "7000,30000", .picture_size_values = "1600x1200,640x480", .picture_size = "1600x1200", .picture_format_values = "jpeg", .picture_format = "jpeg", .jpeg_thumbnail_size_values = "160x120,0x0", .jpeg_thumbnail_width = 160, .jpeg_thumbnail_height = 120, .jpeg_thumbnail_quality = 100, .jpeg_quality = 90, .video_snapshot_supported = 0, .full_video_snap_supported = 0, .recording_size = "640x480", .recording_size_values = "720x480,640x480", .recording_format = "yuv420sp", .focus_mode = "fixed", .focus_mode_values = "fixed", .focus_distances = "0.20,0.25,Infinity", .focus_areas = NULL, .max_num_focus_areas = 0, .zoom_supported = 0, .flash_mode = NULL, .flash_mode_values = NULL, .exposure_compensation = 0, .exposure_compensation_step = 0.5, .min_exposure_compensation = -4, .max_exposure_compensation = 4, .whitebalance = NULL, .whitebalance_values = NULL, .scene_mode = NULL, .scene_mode_values = NULL, .effect = NULL, .effect_values = NULL, .iso = "auto", .iso_values = "auto", }, }, }; struct exynos_v4l2_node exynos_v4l2_nodes_galaxys2[] = { { .id = 0, .node = "/dev/video0", }, { .id = 1, .node = "/dev/video1", }, { .id = 2, .node = "/dev/video2", }, }; struct exynox_camera_config exynos_camera_config_galaxys2 = { .presets = (struct exynos_camera_preset *) &exynos_camera_presets_galaxys2, .presets_count = 2, .v4l2_nodes = (struct exynos_v4l2_node *) &exynos_v4l2_nodes_galaxys2, .v4l2_nodes_count = 3, }; /* * Exynos Camera */ struct exynox_camera_config *exynos_camera_config = &exynos_camera_config_galaxys2; int exynos_camera_init(struct exynos_camera *exynos_camera, int id) { char firmware_version[7] = { 0 }; struct exynos_v4l2_ext_control control; int rc; if (exynos_camera == NULL || id >= exynos_camera->config->presets_count) return -EINVAL; // Init FIMC1 rc = exynos_v4l2_open(exynos_camera, 0); if (rc < 0) { ALOGE("Unable to open v4l2 device"); return -1; } rc = exynos_v4l2_querycap_cap(exynos_camera, 0); if (rc < 0) { ALOGE("%s: querycap failed", __func__); return -1; } rc = exynos_v4l2_enum_input(exynos_camera, 0, id); if (rc < 0) { ALOGE("%s: enum input failed", __func__); return -1; } rc = exynos_v4l2_s_input(exynos_camera, 0, id); if (rc < 0) { ALOGE("%s: s input failed", __func__); return -1; } // Init FIMC2 rc = exynos_v4l2_open(exynos_camera, 2); if (rc < 0) { ALOGE("Unable to open v4l2 device"); return -1; } rc = exynos_v4l2_querycap_cap(exynos_camera, 2); if (rc < 0) { ALOGE("%s: querycap failed", __func__); return -1; } rc = exynos_v4l2_enum_input(exynos_camera, 2, id); if (rc < 0) { ALOGE("%s: enum input failed", __func__); return -1; } rc = exynos_v4l2_s_input(exynos_camera, 2, id); if (rc < 0) { ALOGE("%s: s input failed", __func__); return -1; } // Get firmware information memset(&control, 0, sizeof(control)); control.id = V4L2_CID_CAM_SENSOR_FW_VER; control.data.string = firmware_version; rc = exynos_v4l2_g_ext_ctrls(exynos_camera, 0, (struct v4l2_ext_control *) &control, 1); if (rc < 0) { ALOGE("%s: g ext ctrls failed", __func__); } else { ALOGD("Firmware version: %s", firmware_version); } // Params rc = exynos_camera_params_init(exynos_camera, id); if (rc < 0) ALOGE("%s: Unable to init params", __func__); // 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__); return 0; } void exynos_camera_deinit(struct exynos_camera *exynos_camera) { int i; int id; if (exynos_camera == NULL || exynos_camera->config == NULL) return; exynos_v4l2_close(exynos_camera, 0); exynos_v4l2_close(exynos_camera, 2); } // 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_picture_format = exynos_camera->config->presets[id].picture_format; exynos_camera->camera_focal_length = (int) (exynos_camera->config->presets[id].focal_length * 100); exynos_camera->camera_metering = exynos_camera->config->presets[id].metering; // 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"); else exynos_param_string_set(exynos_camera, "video-snapshot-supported", "false"); if (exynos_camera->config->presets[id].params.full_video_snap_supported == 1) exynos_param_string_set(exynos_camera, "full-video-snap-supported", "true"); else exynos_param_string_set(exynos_camera, "full-video-snap-supported", "false"); // 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); exynos_param_int_set(exynos_camera, "max-num-focus-areas", exynos_camera->config->presets[id].params.max_num_focus_areas); } // 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"); } // 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); // 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); // 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); if (rc < 0) { ALOGE("%s: Unable to apply params", __func__); return -1; } return 0; } int exynos_camera_params_apply(struct exynos_camera *exynos_camera) { 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; float preview_format_bpp; 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 camera_sensor_output_size; char *focus_mode_string; int focus_mode = 0; char *focus_areas_string; int focus_left, focus_top, focus_right, focus_bottom, focus_weigth; int focus_x; int focus_y; char *zoom_supported_string; int zoom, max_zoom; char *flash_mode_string; int flash_mode; int exposure_compensation; int min_exposure_compensation; int max_exposure_compensation; char *whitebalance_string; int whitebalance; char *scene_mode_string; int scene_mode; char *effect_string; int effect; char *iso_string; int iso; int force = 0; int w, h; char *k; int rc; if (exynos_camera == NULL) return -EINVAL; if (!exynos_camera->preview_params_set) { ALOGE("%s: Setting preview params", __func__); exynos_camera->preview_params_set = 1; force = 1; } // 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_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; preview_format_bpp = 1.5f; } else if (strcmp(preview_format_string, "yuv420p") == 0) { preview_format = V4L2_PIX_FMT_YUV420; preview_format_bpp = 1.5f; } else if (strcmp(preview_format_string, "rgb565") == 0) { preview_format = V4L2_PIX_FMT_RGB565; preview_format_bpp = 2.0f; } else if (strcmp(preview_format_string, "rgb8888") == 0) { preview_format = V4L2_PIX_FMT_RGB32; preview_format_bpp = 4.0f; } else { ALOGE("%s: Unsupported preview format: %s", __func__, preview_format_string); preview_format = V4L2_PIX_FMT_NV21; preview_format_bpp = 1.5f; } if (preview_format != exynos_camera->preview_format) { exynos_camera->preview_format = preview_format; exynos_camera->preview_format_bpp = preview_format_bpp; } } 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_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 (picture_width != 0 && picture_width != exynos_camera->picture_width) exynos_camera->picture_width = picture_width; if (picture_height != 0 && picture_height != exynos_camera->picture_height) exynos_camera->picture_height = picture_height; } 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: s ctrl failed!", __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; camera_sensor_output_size = ((recording_width & 0xffff) << 16) | (recording_height & 0xffff); rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SENSOR_OUTPUT_SIZE, camera_sensor_output_size); if (rc < 0) ALOGE("%s: s ctrl failed!", __func__); } else { camera_sensor_mode = SENSOR_CAMERA; } // 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: s ctrl failed!", __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_weigth = 0; rc = sscanf(focus_areas_string, "(%d,%d,%d,%d,%d)", &focus_left, &focus_top, &focus_right, &focus_bottom, &focus_weigth); if (rc != 5) { ALOGE("%s: sscanf failed!", __func__); } else if (focus_left != 0 && focus_top != 0 && focus_right != 0 && focus_bottom != 0) { 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: s ctrl failed!", __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: s ctrl failed!", __func__); } focus_mode = FOCUS_MODE_TOUCH; } } focus_mode_string = exynos_param_string_get(exynos_camera, "focus-mode"); if (focus_mode_string != NULL) { if (focus_mode == 0) { 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; else if (strcmp(focus_mode_string, "continuous-picture") == 0) focus_mode = FOCUS_MODE_CONTINOUS; else focus_mode = FOCUS_MODE_AUTO; } 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: s ctrl failed!", __func__); } if (focus_mode == FOCUS_MODE_TOUCH) { rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_TOUCH_AF_START_STOP, 1); if (rc < 0) ALOGE("%s: s ctrl failed!", __func__); } else if (exynos_camera->focus_mode == FOCUS_MODE_TOUCH) { rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_TOUCH_AF_START_STOP, 0); if (rc < 0) ALOGE("%s: s ctrl failed!", __func__); } exynos_camera->focus_mode = focus_mode; } // 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: s ctrl failed!", __func__); } } // Flash flash_mode_string = exynos_param_string_get(exynos_camera, "flash-mode"); if (flash_mode_string != NULL) { 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 flash_mode = FLASH_MODE_AUTO; if (flash_mode != exynos_camera->flash_mode || force) { exynos_camera->flash_mode = flash_mode; rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_FLASH_MODE, flash_mode); if (rc < 0) ALOGE("%s: s ctrl failed!", __func__); } } // 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: s ctrl failed!", __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: s ctrl failed!", __func__); } } // 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; 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; 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 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: s ctrl failed!", __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; 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 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: s ctrl failed!", __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: s ctrl failed!", __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; } // Picture int exynos_camera_picture(struct exynos_camera *exynos_camera) { camera_memory_t *data_memory = NULL; camera_memory_t *exif_data_memory = NULL; camera_memory_t *picture_data_memory = NULL; camera_memory_t *jpeg_thumbnail_data_memory = NULL; int camera_picture_format; int picture_width; int picture_height; int picture_format; int jpeg_thumbnail_width; int jpeg_thumbnail_height; int jpeg_thumbnail_quality; int jpeg_quality; int data_size; int offset = 0; void *picture_addr = NULL; int picture_size = 0; void *jpeg_thumbnail_addr = NULL; int jpeg_thumbnail_size = 0; int jpeg_fd; struct jpeg_enc_param jpeg_enc_params; enum jpeg_frame_format jpeg_in_format; enum jpeg_stream_format jpeg_out_format; enum jpeg_ret_type jpeg_result; void *jpeg_in_buffer; int jpeg_in_size; void *jpeg_out_buffer; int jpeg_out_size; exif_attribute_t exif_attributes; int exif_size = 0; int index; int rc; if (exynos_camera == NULL) return -EINVAL; picture_width = exynos_camera->picture_width; picture_height = exynos_camera->picture_height; picture_format = exynos_camera->picture_format; camera_picture_format = exynos_camera->camera_picture_format; jpeg_thumbnail_width = exynos_camera->jpeg_thumbnail_width; jpeg_thumbnail_height = exynos_camera->jpeg_thumbnail_height; jpeg_thumbnail_quality = exynos_camera->jpeg_thumbnail_quality; jpeg_quality = exynos_camera->jpeg_quality; if (camera_picture_format == 0) camera_picture_format = picture_format; // V4L2 rc = exynos_v4l2_poll(exynos_camera, 0); if (rc < 0) { ALOGE("%s: poll failed!", __func__); return -1; } else if (rc == 0) { ALOGE("%s: poll timeout!", __func__); return -1; } rc = exynos_v4l2_streamoff_cap(exynos_camera, 0); if (rc < 0) { ALOGE("%s: streamoff failed!", __func__); return -1; } index = exynos_v4l2_dqbuf_cap(exynos_camera, 0); if (index < 0) { ALOGE("%s: dqbuf failed!", __func__); return -1; } // This assumes that the output format is JPEG if (camera_picture_format == V4L2_PIX_FMT_JPEG) { rc = exynos_v4l2_g_ctrl(exynos_camera, 0, V4L2_CID_CAM_JPEG_MAIN_SIZE, &picture_size); if (rc < 0) { ALOGE("%s: g ctrl failed!", __func__); return -1; } rc = exynos_v4l2_g_ctrl(exynos_camera, 0, V4L2_CID_CAM_JPEG_MAIN_OFFSET, &offset); if (rc < 0) { ALOGE("%s: g ctrl failed!", __func__); return -1; } picture_addr = (void *) ((int) exynos_camera->picture_memory->data + offset); rc = exynos_v4l2_g_ctrl(exynos_camera, 0, V4L2_CID_CAM_JPEG_THUMB_SIZE, &jpeg_thumbnail_size); if (rc < 0) { ALOGE("%s: g ctrl failed!", __func__); return -1; } rc = exynos_v4l2_g_ctrl(exynos_camera, 0, V4L2_CID_CAM_JPEG_THUMB_OFFSET, &offset); if (rc < 0) { ALOGE("%s: g ctrl failed!", __func__); return -1; } jpeg_thumbnail_addr = (void *) ((int) exynos_camera->picture_memory->data + offset); } // Thumbnail if (camera_picture_format == V4L2_PIX_FMT_JPEG && jpeg_thumbnail_addr != NULL && jpeg_thumbnail_size >= 0) { if (exynos_camera->callbacks.request_memory != NULL) { jpeg_thumbnail_data_memory = exynos_camera->callbacks.request_memory(-1, jpeg_thumbnail_size, 1, 0); if (jpeg_thumbnail_data_memory == NULL) { ALOGE("%s: thumb memory request failed!", __func__); goto error; } } else { ALOGE("%s: No memory request function!", __func__); goto error; } memcpy(jpeg_thumbnail_data_memory->data, jpeg_thumbnail_addr, jpeg_thumbnail_size); } else { jpeg_fd = api_jpeg_encode_init(); if (jpeg_fd < 0) { ALOGE("%s: Failed to init JPEG", __func__); goto error; } switch (camera_picture_format) { case V4L2_PIX_FMT_RGB565: jpeg_in_format = RGB_565; jpeg_out_format = JPEG_420; jpeg_in_size = (picture_width * picture_height * 2); break; case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: case V4L2_PIX_FMT_NV12T: case V4L2_PIX_FMT_YUV420: jpeg_in_format = YUV_420; jpeg_out_format = JPEG_420; jpeg_in_size = (picture_width * picture_height * 1.5); break; case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_UYVY: case V4L2_PIX_FMT_YUV422P: default: jpeg_in_format = YUV_422; jpeg_out_format = JPEG_422; jpeg_in_size = (picture_width * picture_height * 2); break; } memset(&jpeg_enc_params, 0, sizeof(jpeg_enc_params)); jpeg_enc_params.width = jpeg_thumbnail_width; jpeg_enc_params.height = jpeg_thumbnail_height; jpeg_enc_params.in_fmt = jpeg_in_format; jpeg_enc_params.out_fmt = jpeg_out_format; if (jpeg_thumbnail_quality >= 90) jpeg_enc_params.quality = QUALITY_LEVEL_1; else if (jpeg_thumbnail_quality >= 80) jpeg_enc_params.quality = QUALITY_LEVEL_2; else if (jpeg_thumbnail_quality >= 70) jpeg_enc_params.quality = QUALITY_LEVEL_3; else jpeg_enc_params.quality = QUALITY_LEVEL_4; api_jpeg_set_encode_param(&jpeg_enc_params); jpeg_in_buffer = api_jpeg_get_encode_in_buf(jpeg_fd, jpeg_in_size); if (jpeg_in_buffer == NULL) { ALOGE("%s: Failed to get JPEG in buffer", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } jpeg_out_buffer = api_jpeg_get_encode_out_buf(jpeg_fd); if (jpeg_out_buffer == NULL) { ALOGE("%s: Failed to get JPEG out buffer", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } memcpy(jpeg_in_buffer, exynos_camera->picture_memory->data, jpeg_in_size); jpeg_result = api_jpeg_encode_exe(jpeg_fd, &jpeg_enc_params); if (jpeg_result != JPEG_ENCODE_OK) { ALOGE("%s: Failed to encode JPEG", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } jpeg_out_size = jpeg_enc_params.size; if (jpeg_out_size <= 0) { ALOGE("%s: Failed to get JPEG out size", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } if (exynos_camera->callbacks.request_memory != NULL) { jpeg_thumbnail_data_memory = exynos_camera->callbacks.request_memory(-1, jpeg_out_size, 1, 0); if (jpeg_thumbnail_data_memory == NULL) { ALOGE("%s: thumbnail memory request failed!", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } } else { ALOGE("%s: No memory request function!", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } memcpy(jpeg_thumbnail_data_memory->data, jpeg_out_buffer, jpeg_out_size); jpeg_thumbnail_size = jpeg_out_size; api_jpeg_encode_deinit(jpeg_fd); } // Picture if (camera_picture_format == V4L2_PIX_FMT_JPEG && picture_addr != NULL && picture_size >= 0) { if (exynos_camera->callbacks.request_memory != NULL) { picture_data_memory = exynos_camera->callbacks.request_memory(-1, picture_size, 1, 0); if (picture_data_memory == NULL) { ALOGE("%s: picture memory request failed!", __func__); goto error; } } else { ALOGE("%s: No memory request function!", __func__); goto error; } memcpy(picture_data_memory->data, picture_addr, picture_size); } else { jpeg_fd = api_jpeg_encode_init(); if (jpeg_fd < 0) { ALOGE("%s: Failed to init JPEG", __func__); goto error; } switch (camera_picture_format) { case V4L2_PIX_FMT_RGB565: jpeg_in_format = RGB_565; jpeg_out_format = JPEG_420; jpeg_in_size = (picture_width * picture_height * 2); break; case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: case V4L2_PIX_FMT_NV12T: case V4L2_PIX_FMT_YUV420: jpeg_in_format = YUV_420; jpeg_out_format = JPEG_420; jpeg_in_size = (picture_width * picture_height * 1.5); break; case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_UYVY: case V4L2_PIX_FMT_YUV422P: default: jpeg_in_format = YUV_422; jpeg_out_format = JPEG_422; jpeg_in_size = (picture_width * picture_height * 2); break; } memset(&jpeg_enc_params, 0, sizeof(jpeg_enc_params)); jpeg_enc_params.width = picture_width; jpeg_enc_params.height = picture_height; jpeg_enc_params.in_fmt = jpeg_in_format; jpeg_enc_params.out_fmt = jpeg_out_format; if (jpeg_quality >= 90) jpeg_enc_params.quality = QUALITY_LEVEL_1; else if (jpeg_quality >= 80) jpeg_enc_params.quality = QUALITY_LEVEL_2; else if (jpeg_quality >= 70) jpeg_enc_params.quality = QUALITY_LEVEL_3; else jpeg_enc_params.quality = QUALITY_LEVEL_4; api_jpeg_set_encode_param(&jpeg_enc_params); jpeg_in_buffer = api_jpeg_get_encode_in_buf(jpeg_fd, jpeg_in_size); if (jpeg_in_buffer == NULL) { ALOGE("%s: Failed to get JPEG in buffer", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } jpeg_out_buffer = api_jpeg_get_encode_out_buf(jpeg_fd); if (jpeg_out_buffer == NULL) { ALOGE("%s: Failed to get JPEG out buffer", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } memcpy(jpeg_in_buffer, exynos_camera->picture_memory->data, jpeg_in_size); jpeg_result = api_jpeg_encode_exe(jpeg_fd, &jpeg_enc_params); if (jpeg_result != JPEG_ENCODE_OK) { ALOGE("%s: Failed to encode JPEG", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } jpeg_out_size = jpeg_enc_params.size; if (jpeg_out_size <= 0) { ALOGE("%s: Failed to get JPEG out size", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } if (exynos_camera->callbacks.request_memory != NULL) { picture_data_memory = exynos_camera->callbacks.request_memory(-1, jpeg_out_size, 1, 0); if (picture_data_memory == NULL) { ALOGE("%s: picture memory request failed!", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } } else { ALOGE("%s: No memory request function!", __func__); api_jpeg_encode_deinit(jpeg_fd); goto error; } memcpy(picture_data_memory->data, jpeg_out_buffer, jpeg_out_size); picture_size = jpeg_out_size; api_jpeg_encode_deinit(jpeg_fd); } // EXIF memset(&exif_attributes, 0, sizeof(exif_attributes)); exynos_exif_attributes_create_static(exynos_camera, &exif_attributes); exynos_exif_attributes_create_params(exynos_camera, &exif_attributes); rc = exynos_exif_create(exynos_camera, &exif_attributes, jpeg_thumbnail_data_memory, jpeg_thumbnail_size, &exif_data_memory, &exif_size); if (rc < 0 || exif_data_memory == NULL || exif_size <= 0) { ALOGE("%s: EXIF create failed!", __func__); goto error; } data_size = exif_size + picture_size; if (exynos_camera->callbacks.request_memory != NULL) { data_memory = exynos_camera->callbacks.request_memory(-1, data_size, 1, 0); if (data_memory == NULL) { ALOGE("%s: data memory request failed!", __func__); goto error; } } else { ALOGE("%s: No memory request function!", __func__); goto error; } // Copy the first two bytes of the JPEG picture memcpy(data_memory->data, picture_data_memory->data, 2); // Copy the EXIF data memcpy((void *) ((int) data_memory->data + 2), exif_data_memory->data, exif_size); // Copy the JPEG picture memcpy((void *) ((int) data_memory->data + 2 + exif_size), (void *) ((int) picture_data_memory->data + 2), picture_size - 2); // Callbacks if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_SHUTTER) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify)) exynos_camera->callbacks.notify(CAMERA_MSG_SHUTTER, 0, 0, exynos_camera->callbacks.user); if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_RAW_IMAGE) && EXYNOS_CAMERA_CALLBACK_DEFINED(data) && jpeg_thumbnail_data_memory != NULL) exynos_camera->callbacks.data(CAMERA_MSG_RAW_IMAGE, jpeg_thumbnail_data_memory, 0, NULL, exynos_camera->callbacks.user); if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_COMPRESSED_IMAGE) && EXYNOS_CAMERA_CALLBACK_DEFINED(data) && data_memory != NULL) exynos_camera->callbacks.data(CAMERA_MSG_COMPRESSED_IMAGE, data_memory, 0, NULL, exynos_camera->callbacks.user); // Release memory if (jpeg_thumbnail_data_memory != NULL && jpeg_thumbnail_data_memory->release != NULL) jpeg_thumbnail_data_memory->release(jpeg_thumbnail_data_memory); if (picture_data_memory != NULL && picture_data_memory->release != NULL) picture_data_memory->release(picture_data_memory); if (exif_data_memory != NULL && exif_data_memory->release != NULL) exif_data_memory->release(exif_data_memory); if (data_memory != NULL && data_memory->release != NULL) data_memory->release(data_memory); return 0; error: if (jpeg_thumbnail_data_memory != NULL && jpeg_thumbnail_data_memory->release != NULL) jpeg_thumbnail_data_memory->release(jpeg_thumbnail_data_memory); if (picture_data_memory != NULL && picture_data_memory->release != NULL) picture_data_memory->release(picture_data_memory); if (exif_data_memory != NULL && exif_data_memory->release != NULL) exif_data_memory->release(exif_data_memory); if (data_memory != NULL && data_memory->release != NULL) data_memory->release(data_memory); return -1; } void *exynos_camera_picture_thread(void *data) { struct exynos_camera *exynos_camera; int rc; int i; if (data == NULL) return NULL; exynos_camera = (struct exynos_camera *) data; ALOGE("%s: Starting thread", __func__); exynos_camera->picture_thread_running = 1; if (exynos_camera->picture_enabled == 1) { pthread_mutex_lock(&exynos_camera->picture_mutex); rc = exynos_camera_picture(exynos_camera); if (rc < 0) { ALOGE("%s: picture failed!", __func__); exynos_camera->picture_enabled = 0; } if (exynos_camera->picture_memory != NULL && exynos_camera->picture_memory->release != NULL) { exynos_camera->picture_memory->release(exynos_camera->picture_memory); exynos_camera->picture_memory = NULL; } pthread_mutex_unlock(&exynos_camera->picture_mutex); } exynos_camera->picture_thread_running = 0; exynos_camera->picture_enabled = 0; ALOGE("%s: Exiting thread", __func__); return NULL; } int exynos_camera_picture_start(struct exynos_camera *exynos_camera) { pthread_attr_t thread_attr; int width, height, format, camera_format; int fd; int rc; if (exynos_camera == NULL) return -EINVAL; // Stop preview thread exynos_camera_preview_stop(exynos_camera); width = exynos_camera->picture_width; height = exynos_camera->picture_height; format = exynos_camera->picture_format; camera_format = exynos_camera->camera_picture_format; // V4L2 if (camera_format == 0) camera_format = format; rc = exynos_v4l2_enum_fmt_cap(exynos_camera, 0, camera_format); if (rc < 0) { ALOGE("%s: enum fmt failed!", __func__); return -1; } rc = exynos_v4l2_s_fmt_pix_cap(exynos_camera, 0, width, height, camera_format, V4L2_PIX_FMT_MODE_CAPTURE); if (rc < 0) { ALOGE("%s: s fmt failed!", __func__); return -1; } // Only use 1 buffer rc = exynos_v4l2_reqbufs_cap(exynos_camera, 0, 1); if (rc < 0) { ALOGE("%s: reqbufs failed!", __func__); return -1; } rc = exynos_v4l2_querybuf_cap(exynos_camera, 0, 0); if (rc < 0) { ALOGE("%s: querybuf failed!", __func__); return -1; } exynos_camera->picture_buffer_length = rc; if (exynos_camera->callbacks.request_memory != NULL) { fd = exynos_v4l2_find_fd(exynos_camera, 0); if (fd < 0) { ALOGE("%s: Unable to find v4l2 fd", __func__); return -1; } if (exynos_camera->picture_memory != NULL && exynos_camera->picture_memory->release != NULL) exynos_camera->picture_memory->release(exynos_camera->picture_memory); exynos_camera->picture_memory = exynos_camera->callbacks.request_memory(fd, exynos_camera->picture_buffer_length, 1, 0); if (exynos_camera->picture_memory == NULL) { ALOGE("%s: memory request failed!", __func__); return -1; } } else { ALOGE("%s: No memory request function!", __func__); return -1; } rc = exynos_v4l2_qbuf_cap(exynos_camera, 0, 0); if (rc < 0) { ALOGE("%s: qbuf failed!", __func__); return -1; } rc = exynos_v4l2_streamon_cap(exynos_camera, 0); if (rc < 0) { ALOGE("%s: streamon failed!", __func__); return -1; } rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_CAPTURE, 0); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); return -1; } // Thread if (exynos_camera->picture_thread_running) { ALOGE("Picture thread is already running!"); return -1; } pthread_mutex_init(&exynos_camera->picture_mutex, NULL); pthread_attr_init(&thread_attr); pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED); exynos_camera->picture_enabled = 1; rc = pthread_create(&exynos_camera->picture_thread, &thread_attr, exynos_camera_picture_thread, (void *) exynos_camera); if (rc < 0) { ALOGE("%s: Unable to create thread", __func__); return -1; } return 0; } void exynos_camera_picture_stop(struct exynos_camera *exynos_camera) { int rc; int i; if (exynos_camera == NULL) return; if (!exynos_camera->picture_enabled) { ALOGE("Picture was already stopped!"); return; } pthread_mutex_lock(&exynos_camera->picture_mutex); // Disable picture to make the thread end exynos_camera->picture_enabled = 0; pthread_mutex_unlock(&exynos_camera->picture_mutex); // Wait for the thread to end for (i = 0; i < 10; i++) { if (!exynos_camera->picture_thread_running) break; usleep(500); } pthread_mutex_destroy(&exynos_camera->picture_mutex); } // Auto-focus void *exynos_camera_auto_focus_thread(void *data) { struct exynos_camera *exynos_camera; int auto_focus_status = -1; int auto_focus_result = 0; int rc; int i; if (data == NULL) return NULL; exynos_camera = (struct exynos_camera *) data; ALOGE("%s: Starting thread", __func__); exynos_camera->auto_focus_thread_running = 1; rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SET_AUTO_FOCUS, AUTO_FOCUS_ON); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); auto_focus_result = 0; goto thread_exit; } while (exynos_camera->auto_focus_enabled == 1) { pthread_mutex_lock(&exynos_camera->auto_focus_mutex); rc = exynos_v4l2_g_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_AUTO_FOCUS_RESULT, &auto_focus_status); if (rc < 0) { ALOGE("%s: g ctrl failed!", __func__); auto_focus_result = 0; pthread_mutex_unlock(&exynos_camera->auto_focus_mutex); goto thread_exit; } if (auto_focus_status & M5MO_AF_STATUS_IN_PROGRESS) { // Progress usleep(10000); // Sleep 10 ms } else if (auto_focus_status == M5MO_AF_STATUS_SUCCESS || auto_focus_status == M5MO_AF_STATUS_1ST_SUCCESS) { // Success auto_focus_result = 1; pthread_mutex_unlock(&exynos_camera->auto_focus_mutex); goto thread_exit; } else { auto_focus_result = 0; ALOGE("AF failed or unknown result flag: 0x%x", auto_focus_status); pthread_mutex_unlock(&exynos_camera->auto_focus_mutex); goto thread_exit; } pthread_mutex_unlock(&exynos_camera->auto_focus_mutex); } thread_exit: rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_SET_AUTO_FOCUS, AUTO_FOCUS_OFF); if (rc < 0) ALOGE("%s: s ctrl failed!", __func__); if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_FOCUS) && EXYNOS_CAMERA_CALLBACK_DEFINED(notify)) exynos_camera->callbacks.notify(CAMERA_MSG_FOCUS, (int32_t) auto_focus_result, 0, exynos_camera->callbacks.user); exynos_camera->auto_focus_thread_running = 0; exynos_camera->auto_focus_enabled = 0; ALOGE("%s: Exiting thread", __func__); return NULL; } int exynos_camera_auto_focus_start(struct exynos_camera *exynos_camera) { pthread_attr_t thread_attr; int rc; if (exynos_camera == NULL) return -EINVAL; // Thread if (exynos_camera->auto_focus_thread_running) { ALOGE("Auto-focus thread is already running!"); return -1; } pthread_mutex_init(&exynos_camera->auto_focus_mutex, NULL); pthread_attr_init(&thread_attr); pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED); exynos_camera->auto_focus_enabled = 1; rc = pthread_create(&exynos_camera->auto_focus_thread, &thread_attr, exynos_camera_auto_focus_thread, (void *) exynos_camera); if (rc < 0) { ALOGE("%s: Unable to create thread", __func__); return -1; } return 0; } void exynos_camera_auto_focus_stop(struct exynos_camera *exynos_camera) { int rc; int i; if (exynos_camera == NULL) return; if (!exynos_camera->auto_focus_enabled) { ALOGE("Auto-focus was already stopped!"); return; } pthread_mutex_lock(&exynos_camera->auto_focus_mutex); // Disable auto-focus to make the thread end exynos_camera->auto_focus_enabled = 0; pthread_mutex_unlock(&exynos_camera->auto_focus_mutex); // Wait for the thread to end for (i = 0; i < 10; i++) { if (!exynos_camera->auto_focus_thread_running) break; usleep(500); } pthread_mutex_destroy(&exynos_camera->auto_focus_mutex); } // Preview int exynos_camera_preview(struct exynos_camera *exynos_camera) { buffer_handle_t *buffer; int stride; int width, height; float format_bpp; char *preview_format_string; int frame_size, offset; void *preview_data; void *window_data; unsigned int recording_y_addr; unsigned int recording_cbcr_addr; nsecs_t timestamp; struct exynos_camera_addrs *addrs; struct timespec ts; int index; int rc; int i; if (exynos_camera == NULL || exynos_camera->preview_memory == NULL || exynos_camera->preview_window == NULL) return -EINVAL; timestamp = systemTime(1); // V4L2 rc = exynos_v4l2_poll(exynos_camera, 0); if (rc < 0) { ALOGE("%s: poll failed!", __func__); return -1; } else if (rc == 0) { ALOGE("%s: poll timeout!", __func__); return -1; } index = exynos_v4l2_dqbuf_cap(exynos_camera, 0); if (index < 0 || index >= exynos_camera->preview_buffers_count) { ALOGE("%s: dqbuf failed!", __func__); return -1; } rc = exynos_v4l2_qbuf_cap(exynos_camera, 0, index); if (rc < 0) { ALOGE("%s: qbuf failed!", __func__); return -1; } // Preview window width = exynos_camera->preview_width; height = exynos_camera->preview_height; format_bpp = exynos_camera->preview_format_bpp; exynos_camera->preview_window->dequeue_buffer(exynos_camera->preview_window, &buffer, &stride); exynos_camera->gralloc->lock(exynos_camera->gralloc, *buffer, GRALLOC_USAGE_SW_WRITE_OFTEN, 0, 0, width, height, &window_data); if (window_data == NULL) { ALOGE("%s: gralloc lock failed!", __func__); return -1; } frame_size = exynos_camera->preview_frame_size; offset = index * frame_size; preview_data = (void *) ((int) exynos_camera->preview_memory->data + offset); memcpy(window_data, preview_data, frame_size); exynos_camera->gralloc->unlock(exynos_camera->gralloc, *buffer); exynos_camera->preview_window->enqueue_buffer(exynos_camera->preview_window, buffer); if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_PREVIEW_FRAME) && EXYNOS_CAMERA_CALLBACK_DEFINED(data)) { exynos_camera->callbacks.data(CAMERA_MSG_PREVIEW_FRAME, exynos_camera->preview_memory, index, NULL, exynos_camera->callbacks.user); } // Recording if (exynos_camera->recording_enabled && exynos_camera->recording_memory != NULL) { pthread_mutex_lock(&exynos_camera->recording_mutex); // V4L2 rc = exynos_v4l2_poll(exynos_camera, 2); if (rc < 0) { ALOGE("%s: poll failed!", __func__); goto error_recording; } else if (rc == 0) { ALOGE("%s: poll timeout!", __func__); goto error_recording; } index = exynos_v4l2_dqbuf_cap(exynos_camera, 2); if (index < 0) { ALOGE("%s: dqbuf failed!", __func__); goto error_recording; } recording_y_addr = exynos_v4l2_s_ctrl(exynos_camera, 2, V4L2_CID_PADDR_Y, index); if (recording_y_addr == 0xffffffff) { ALOGE("%s: s ctrl failed!", __func__); goto error_recording; } recording_cbcr_addr = exynos_v4l2_s_ctrl(exynos_camera, 2, V4L2_CID_PADDR_CBCR, index); if (recording_cbcr_addr == 0xffffffff) { ALOGE("%s: s ctrl failed!", __func__); goto error_recording; } addrs = (struct exynos_camera_addrs *) exynos_camera->recording_memory->data; addrs[index].type = 0; // kMetadataBufferTypeCameraSource addrs[index].y = recording_y_addr; addrs[index].cbcr = recording_cbcr_addr; addrs[index].index = index; addrs[index].reserved = 0; pthread_mutex_unlock(&exynos_camera->recording_mutex); if (EXYNOS_CAMERA_MSG_ENABLED(CAMERA_MSG_VIDEO_FRAME) && EXYNOS_CAMERA_CALLBACK_DEFINED(data_timestamp)) { exynos_camera->callbacks.data_timestamp(timestamp, CAMERA_MSG_VIDEO_FRAME, exynos_camera->recording_memory, index, exynos_camera->callbacks.user); } else { rc = exynos_v4l2_qbuf_cap(exynos_camera, 2, index); if (rc < 0) { ALOGE("%s: qbuf failed!", __func__); return -1; } } } return 0; error_recording: pthread_mutex_lock(&exynos_camera->recording_mutex); return -1; } void *exynos_camera_preview_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->preview_thread_running = 1; if (exynos_camera->preview_window == NULL) { // Lock preview lock mutex pthread_mutex_lock(&exynos_camera->preview_lock_mutex); } while (exynos_camera->preview_enabled == 1) { pthread_mutex_lock(&exynos_camera->preview_mutex); rc = exynos_camera_preview(exynos_camera); if (rc < 0) { ALOGE("%s: preview failed!", __func__); exynos_camera->preview_enabled = 0; } pthread_mutex_unlock(&exynos_camera->preview_mutex); } exynos_camera->preview_thread_running = 0; ALOGE("%s: Exiting thread", __func__); return NULL; } int exynos_camera_preview_start(struct exynos_camera *exynos_camera) { struct v4l2_streamparm streamparm; int width, height, format; float format_bpp; int fps, frame_size; int fd; pthread_attr_t thread_attr; int rc; int i; if (exynos_camera == NULL) return -EINVAL; if (exynos_camera->preview_enabled) { ALOGE("Preview was already started!"); return 0; } // V4L2 format = exynos_camera->preview_format; rc = exynos_v4l2_enum_fmt_cap(exynos_camera, 0, format); if (rc < 0) { ALOGE("%s: enum fmt failed!", __func__); return -1; } width = exynos_camera->preview_width; height = exynos_camera->preview_height; format_bpp = exynos_camera->preview_format_bpp; rc = exynos_v4l2_s_fmt_pix_cap(exynos_camera, 0, width, height, format, V4L2_PIX_FMT_MODE_PREVIEW); if (rc < 0) { ALOGE("%s: s fmt failed!", __func__); return -1; } rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CACHEABLE, 1); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); return -1; } for (i = EXYNOS_CAMERA_MAX_BUFFERS_COUNT; i >= EXYNOS_CAMERA_MIN_BUFFERS_COUNT; i--) { rc = exynos_v4l2_reqbufs_cap(exynos_camera, 0, i); if (rc >= 0) break; } if (rc < 0) { ALOGE("%s: reqbufs failed!", __func__); return -1; } exynos_camera->preview_buffers_count = rc; ALOGD("Found %d preview buffers available!", exynos_camera->preview_buffers_count); fps = exynos_camera->preview_fps; memset(&streamparm, 0, sizeof(streamparm)); streamparm.parm.capture.timeperframe.numerator = 1; streamparm.parm.capture.timeperframe.denominator = fps; rc = exynos_v4l2_s_parm_cap(exynos_camera, 0, &streamparm); if (rc < 0) { ALOGE("%s: s parm failed!", __func__); return -1; } frame_size = (int) ((float) width * (float) height * format_bpp); for (i = 0; i < exynos_camera->preview_buffers_count; i++) { rc = exynos_v4l2_querybuf_cap(exynos_camera, 0, i); if (rc < 0) { ALOGE("%s: querybuf failed!", __func__); return -1; } if (rc < frame_size) { ALOGE("%s: problematic frame size: %d/%d", __func__, rc, frame_size); return -1; } } frame_size = rc; exynos_camera->preview_frame_size = frame_size; if (exynos_camera->callbacks.request_memory != NULL) { fd = exynos_v4l2_find_fd(exynos_camera, 0); if (fd < 0) { ALOGE("%s: Unable to find v4l2 fd", __func__); return -1; } if (exynos_camera->preview_memory != NULL && exynos_camera->preview_memory->release != NULL) exynos_camera->preview_memory->release(exynos_camera->preview_memory); exynos_camera->preview_memory = exynos_camera->callbacks.request_memory(fd, frame_size, exynos_camera->preview_buffers_count, 0); if (exynos_camera->preview_memory == NULL) { ALOGE("%s: memory request failed!", __func__); return -1; } } else { ALOGE("%s: No memory request function!", __func__); return -1; } for (i = 0; i < exynos_camera->preview_buffers_count; i++) { rc = exynos_v4l2_qbuf_cap(exynos_camera, 0, i); if (rc < 0) { ALOGE("%s: qbuf failed!", __func__); return -1; } } rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_ROTATION, exynos_camera->camera_rotation); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); return -1; } rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_HFLIP, exynos_camera->camera_hflip); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); return -1; } rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_VFLIP, exynos_camera->camera_vflip); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); return -1; } rc = exynos_v4l2_streamon_cap(exynos_camera, 0); if (rc < 0) { ALOGE("%s: streamon failed!", __func__); return -1; } // Thread pthread_mutex_init(&exynos_camera->preview_mutex, NULL); pthread_mutex_init(&exynos_camera->preview_lock_mutex, NULL); // Lock preview lock pthread_mutex_lock(&exynos_camera->preview_lock_mutex); pthread_attr_init(&thread_attr); pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED); exynos_camera->preview_enabled = 1; rc = pthread_create(&exynos_camera->preview_thread, &thread_attr, exynos_camera_preview_thread, (void *) exynos_camera); if (rc < 0) { ALOGE("%s: Unable to create thread", __func__); return -1; } return 0; } void exynos_camera_preview_stop(struct exynos_camera *exynos_camera) { int rc; int i; if (exynos_camera == NULL) return; if (!exynos_camera->preview_enabled) { ALOGE("Preview was already stopped!"); return; } exynos_camera->preview_enabled = 0; // Unlock preview lock pthread_mutex_unlock(&exynos_camera->preview_lock_mutex); pthread_mutex_lock(&exynos_camera->preview_mutex); // Wait for the thread to end for (i = 0; i < 10; i++) { if (!exynos_camera->preview_thread_running) break; usleep(1000); } rc = exynos_v4l2_streamoff_cap(exynos_camera, 0); if (rc < 0) { ALOGE("%s: streamoff failed!", __func__); } exynos_camera->preview_params_set = 0; if (exynos_camera->preview_memory != NULL && exynos_camera->preview_memory->release != NULL) { exynos_camera->preview_memory->release(exynos_camera->preview_memory); exynos_camera->preview_memory = NULL; } exynos_camera->preview_window = NULL; pthread_mutex_unlock(&exynos_camera->preview_mutex); pthread_mutex_destroy(&exynos_camera->preview_lock_mutex); pthread_mutex_destroy(&exynos_camera->preview_mutex); } // Recording void exynos_camera_recording_frame_release(struct exynos_camera *exynos_camera, void *data) { struct exynos_camera_addrs *addrs; int rc; if (exynos_camera == NULL || data == NULL) return; addrs = (struct exynos_camera_addrs *) data; if (addrs->index >= (unsigned int) exynos_camera->recording_buffers_count) return; pthread_mutex_lock(&exynos_camera->recording_mutex); rc = exynos_v4l2_qbuf_cap(exynos_camera, 2, addrs->index); if (rc < 0) { ALOGE("%s: qbuf failed!", __func__); goto error; } error: pthread_mutex_unlock(&exynos_camera->recording_mutex); } int exynos_camera_recording_start(struct exynos_camera *exynos_camera) { int width, height, format; int fd; int rc; int i; if (exynos_camera == NULL) return -EINVAL; if (exynos_camera->recording_enabled) { ALOGE("Recording was already started!"); return 0; } pthread_mutex_lock(&exynos_camera->preview_mutex); // V4L2 format = exynos_camera->recording_format; rc = exynos_v4l2_enum_fmt_cap(exynos_camera, 2, format); if (rc < 0) { ALOGE("%s: enum fmt failed!", __func__); goto error; } width = exynos_camera->recording_width; height = exynos_camera->recording_height; rc = exynos_v4l2_s_fmt_pix_cap(exynos_camera, 2, width, height, format, V4L2_PIX_FMT_MODE_CAPTURE); if (rc < 0) { ALOGE("%s: s fmt failed!", __func__); goto error; } for (i = EXYNOS_CAMERA_MAX_BUFFERS_COUNT; i >= EXYNOS_CAMERA_MIN_BUFFERS_COUNT; i--) { rc = exynos_v4l2_reqbufs_cap(exynos_camera, 2, i); if (rc >= 0) break; } if (rc < 0) { ALOGE("%s: reqbufs failed!", __func__); goto error; } exynos_camera->recording_buffers_count = rc; ALOGD("Found %d recording buffers available!", exynos_camera->recording_buffers_count); for (i = 0; i < exynos_camera->recording_buffers_count; i++) { rc = exynos_v4l2_querybuf_cap(exynos_camera, 2, i); if (rc < 0) { ALOGE("%s: querybuf failed!", __func__); goto error; } } if (exynos_camera->callbacks.request_memory != NULL) { if (exynos_camera->recording_memory != NULL && exynos_camera->recording_memory->release != NULL) exynos_camera->recording_memory->release(exynos_camera->recording_memory); exynos_camera->recording_memory = exynos_camera->callbacks.request_memory(-1, sizeof(struct exynos_camera_addrs), exynos_camera->recording_buffers_count, 0); if (exynos_camera->recording_memory == NULL) { ALOGE("%s: memory request failed!", __func__); goto error; } } else { ALOGE("%s: No memory request function!", __func__); goto error; } for (i = 0; i < exynos_camera->recording_buffers_count; i++) { rc = exynos_v4l2_qbuf_cap(exynos_camera, 2, i); if (rc < 0) { ALOGE("%s: qbuf failed!", __func__); goto error; } } rc = exynos_v4l2_s_ctrl(exynos_camera, 2, V4L2_CID_ROTATION, exynos_camera->camera_rotation); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); goto error; } rc = exynos_v4l2_s_ctrl(exynos_camera, 2, V4L2_CID_HFLIP, exynos_camera->camera_hflip); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); goto error; } rc = exynos_v4l2_s_ctrl(exynos_camera, 2, V4L2_CID_VFLIP, exynos_camera->camera_vflip); if (rc < 0) { ALOGE("%s: s ctrl failed!", __func__); goto error; } rc = exynos_v4l2_streamon_cap(exynos_camera, 2); if (rc < 0) { ALOGE("%s: streamon failed!", __func__); goto error; } pthread_mutex_init(&exynos_camera->recording_mutex, NULL); exynos_camera->recording_enabled = 1; pthread_mutex_unlock(&exynos_camera->preview_mutex); return 0; error: pthread_mutex_unlock(&exynos_camera->preview_mutex); return -1; } void exynos_camera_recording_stop(struct exynos_camera *exynos_camera) { int rc; if (exynos_camera == NULL) return; if (!exynos_camera->recording_enabled) { ALOGE("Recording was already stopped!"); return; } exynos_camera->recording_enabled = 0; pthread_mutex_lock(&exynos_camera->preview_mutex); rc = exynos_v4l2_streamoff_cap(exynos_camera, 2); if (rc < 0) { ALOGE("%s: streamoff failed!", __func__); } if (exynos_camera->recording_memory != NULL && exynos_camera->recording_memory->release != NULL) { exynos_camera->recording_memory->release(exynos_camera->recording_memory); exynos_camera->recording_memory = NULL; } pthread_mutex_unlock(&exynos_camera->preview_mutex); pthread_mutex_destroy(&exynos_camera->recording_mutex); } /* * 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, hal_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) return 0; exynos_camera->preview_window = w; if (w->set_buffer_count == NULL || w->set_usage == NULL || w->set_buffers_geometry == NULL) return -EINVAL; if (exynos_camera->preview_width == 640 || exynos_camera->preview_buffers_count <= 0) { ALOGE("%s: Invalid preview buffers count", __func__); exynos_camera->preview_buffers_count = EXYNOS_CAMERA_MAX_BUFFERS_COUNT; } rc = w->set_buffer_count(w, exynos_camera->preview_buffers_count); if (rc) { ALOGE("%s: Unable to set buffer count (%d)", __func__, exynos_camera->preview_buffers_count); return -1; } rc = w->set_usage(w, GRALLOC_USAGE_SW_WRITE_OFTEN); if (rc) { ALOGE("%s: Unable to set usage", __func__); return -1; } width = exynos_camera->preview_width; height = exynos_camera->preview_height; format = exynos_camera->preview_format; switch (format) { case V4L2_PIX_FMT_NV21: hal_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; break; case V4L2_PIX_FMT_YUV420: hal_format = HAL_PIXEL_FORMAT_YV12; break; case V4L2_PIX_FMT_RGB565: hal_format = HAL_PIXEL_FORMAT_RGB_565; break; case V4L2_PIX_FMT_RGB32: hal_format = HAL_PIXEL_FORMAT_RGBX_8888; break; default: hal_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; break; } rc = w->set_buffers_geometry(w, width, height, hal_format); if (rc) { ALOGE("%s: Unable to set buffers geometry", __func__); return -1; } // Unlock preview lock pthread_mutex_unlock(&exynos_camera->preview_lock_mutex); return 0; } 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; ALOGD("%s(%p)", __func__, dev); if (dev == NULL || dev->priv == NULL) return -EINVAL; exynos_camera = (struct exynos_camera *) dev->priv; return exynos_camera_preview_start(exynos_camera); } 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_preview_stop(exynos_camera); } 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) { ALOGD("%s(%p, %d)", __func__, dev, enable); if (!enable) { ALOGE("%s: Cannot disable meta-data in buffers!", __func__); return -1; } return 0; } int exynos_camera_start_recording(struct camera_device *dev) { struct exynos_camera *exynos_camera; ALOGD("%s(%p)", __func__, dev); exynos_camera = (struct exynos_camera *) dev->priv; return exynos_camera_recording_start(exynos_camera); } 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_recording_stop(exynos_camera); } 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; ALOGV("%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, (void *) opaque); } int exynos_camera_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; ALOGD("%s(%p)", __func__, dev); if (dev == NULL || dev->priv == NULL) return -EINVAL; exynos_camera = (struct exynos_camera *) dev->priv; return exynos_camera_picture_start(exynos_camera); } int exynos_camera_cancel_picture(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_picture_stop(exynos_camera); 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; rc = exynos_params_string_set(exynos_camera, (char *) params); if (rc < 0) { ALOGE("%s: Unable to set params string", __func__); return -1; } char *recording_hint_string = exynos_param_string_get(exynos_camera, "recording-hint"); int cam_mode = 0; // photo if (recording_hint_string != NULL && strcmp(recording_hint_string, "true") == 0) { cam_mode = 1; // video } exynos_param_int_set(exynos_camera, "cam_mode", cam_mode); rc = exynos_camera_params_apply(exynos_camera); 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 exynos_camera_send_command(struct camera_device *dev, int32_t cmd, int32_t arg1, int32_t arg2) { ALOGD("%s(%p, %d, %d, %d)", __func__, dev, cmd, arg1, arg2); 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; if (exynos_camera->preview_memory != NULL && exynos_camera->preview_memory->release != NULL) { exynos_camera->preview_memory->release(exynos_camera->preview_memory); exynos_camera->preview_memory = NULL; } if (exynos_camera->picture_memory != NULL && exynos_camera->picture_memory->release != NULL) { exynos_camera->picture_memory->release(exynos_camera->picture_memory); exynos_camera->picture_memory = NULL; } exynos_camera_deinit(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_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->presets_count > EXYNOS_CAMERA_MAX_PRESETS_COUNT || 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_init(exynos_camera, id); if (rc < 0) { ALOGE("%s: Unable to init camera", __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_deinit(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", .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, };