152 lines
5.5 KiB
C
152 lines
5.5 KiB
C
/***********************************************************************************************************
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这个主要是 dvp + csi + uvc(mjpeg) 实现视频预览，最多支持4个视频源输出预览
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S_PREVIEW_SCALE3 ----> R_SIM_VIDEO(320x180) ----> R_VIDEO_P0
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(scale3) (虚拟屏幕)
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/dev/video0 ----> ROUTE_USB ----> SR_OTHER_JPG_USB1 ----> S_JPG_DECODE ----> R_SIM_VIDEO(320x180) ----> R_VIDEO_P0
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(uvc) (uvc中转流) (uvc的jpg,配置解码size) (解码成yuv:320x180) (虚拟屏幕)
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/dev/video1 ----> ROUTE_USB ----> SR_OTHER_JPG_USB2 ----> S_JPG_DECODE ----> R_SIM_VIDEO(320x180) ----> R_VIDEO_P0
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(uvc) (uvc中转流) (uvc的jpg,配置解码size) (解码成yuv:320x180) (虚拟屏幕)
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********************************************************************************************************** */
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#include "lvgl/lvgl.h"
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#include "lvgl_ui.h"
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#include "stream_frame.h"
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#include "lib/heap/av_heap.h"
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#include "lib/heap/av_psram_heap.h"
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//data申请空间函数
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#define STREAM_MALLOC av_psram_malloc
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#define STREAM_FREE av_psram_free
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#define STREAM_ZALLOC av_psram_zalloc
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//结构体申请空间函数
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#define STREAM_LIBC_MALLOC av_malloc
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#define STREAM_LIBC_FREE av_free
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#define STREAM_LIBC_ZALLOC av_zalloc
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extern lv_indev_t * indev_keypad;
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extern lv_style_t g_style;
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struct preview_usb_s
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{
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lv_group_t *last_group;
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lv_obj_t *base_ui;
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lv_group_t *now_group;
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lv_obj_t *now_ui;
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//这个是需要的流,但命名不一定对应,有可能通过中间流进行中转实现
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struct msi *sim_video;
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struct msi *scale3_s;
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struct msi *decode_s;
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struct msi *USB_P0_jpg_s;
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struct msi *USB_P1_jpg_s;
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struct msi *route_usb_msi;
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};
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static void exit_preview_dvp_csi_usb_ui(lv_event_t * e)
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{
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struct preview_usb_s *ui_s = (struct preview_usb_s *)lv_event_get_user_data(e);
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lv_indev_set_group(indev_keypad, ui_s->last_group);
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lv_obj_clear_flag(ui_s->base_ui, LV_OBJ_FLAG_HIDDEN);
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lv_group_del(ui_s->now_group);
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ui_s->now_group = NULL;
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msi_destroy(ui_s->route_usb_msi);
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msi_destroy(ui_s->sim_video);
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msi_destroy(ui_s->scale3_s);
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msi_destroy(ui_s->decode_s);
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msi_destroy(ui_s->USB_P0_jpg_s);
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msi_destroy(ui_s->USB_P1_jpg_s);
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msi_cmd(R_VIDEO_P0, MSI_CMD_LCD_VIDEO, MSI_VIDEO_ENABLE, 0);
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lv_obj_del(ui_s->now_ui);
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}
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//进入预览的ui,那么就要创建新的ui去显示预览图了
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static void enter_preview_dvp_csi_usb_ui(lv_event_t * e)
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{
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struct preview_usb_s *ui_s = (struct preview_usb_s *)lv_event_get_user_data(e);
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lv_obj_add_flag(ui_s->base_ui, LV_OBJ_FLAG_HIDDEN);
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lv_obj_t *ui = lv_obj_create(lv_scr_act());
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ui_s->now_ui = ui;
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lv_obj_add_style(ui, &g_style, 0);
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lv_obj_set_size(ui, LV_PCT(100), LV_PCT(100));
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static const uint16_t filter[] = { FSTYPE_YUV_P0, FSTYPE_YUV_P1, FSTYPE_YUV_SIM_P0, FSTYPE_USB_CAM0, FSTYPE_USB_CAM1, FSTYPE_NONE };
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ui_s->sim_video = sim_video_more_msi(R_SIM_VIDEO, 800, 480, (uint16_t*)filter);
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if (ui_s->sim_video)
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{
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msi_add_output(ui_s->sim_video, NULL, R_VIDEO_P0);
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msi_cmd(R_VIDEO_P0, MSI_CMD_LCD_VIDEO, MSI_VIDEO_ENABLE, 1);
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}
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ui_s->scale3_s = scale3_msi(S_PREVIEW_SCALE3);
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//绑定流到Video P1显示
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if (ui_s->scale3_s)
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{
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msi_add_output(ui_s->scale3_s, NULL, R_SIM_VIDEO);
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}
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ui_s->decode_s = jpg_decode_msi(S_JPG_DECODE);
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//将解码的数据推送到Video P0
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if (ui_s->decode_s)
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{
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msi_add_output(ui_s->decode_s, NULL, R_SIM_VIDEO);
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}
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//接收UVC的jpg,配置解码需要的参数(320x180),最后给到解码模块
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ui_s->USB_P0_jpg_s = jpg_decode_msg_msi(SR_OTHER_JPG_USB1,320,180,320,180,FSTYPE_USB_CAM0);
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//将other_jpg的数据给到S_JPG_DECODE进行编码
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if (ui_s->USB_P0_jpg_s)
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{
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// 配置解码的坐标值
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msi_do_cmd(ui_s->USB_P0_jpg_s, MSI_CMD_DECODE_JPEG_MSG, MSI_JPEG_DECODE_X_Y, 0 << 16 | 220);
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msi_add_output(ui_s->USB_P0_jpg_s, NULL, S_JPG_DECODE);
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}
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//接收usb的jpg数据,配置需要解码的参数(320x180),然后给到S_JPG_DECODE进行解码,最后给到P1去显示(设置时P1的类型)
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ui_s->USB_P1_jpg_s = jpg_decode_msg_msi(SR_OTHER_JPG_USB2,320,180,320,180,FSTYPE_USB_CAM1);
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//将other_jpg的数据给到S_JPG_DECODE进行编码
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if (ui_s->USB_P1_jpg_s)
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{
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// 配置解码的坐标值
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msi_do_cmd(ui_s->USB_P1_jpg_s, MSI_CMD_DECODE_JPEG_MSG, MSI_JPEG_DECODE_X_Y, 360 << 16 | 220);
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msi_add_output(ui_s->USB_P1_jpg_s, NULL, S_JPG_DECODE);
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}
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ui_s->route_usb_msi = route_msi(ROUTE_USB);
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if (ui_s->route_usb_msi)
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{
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msi_add_output(ui_s->route_usb_msi, NULL, SR_OTHER_JPG_USB1);
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msi_add_output(ui_s->route_usb_msi, NULL, SR_OTHER_JPG_USB2);
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}
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lv_group_t *group;
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group = lv_group_create();
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lv_indev_set_group(indev_keypad, group);
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lv_group_add_obj(group, ui);
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ui_s->now_group = group;
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lv_obj_add_event_cb(ui, exit_preview_dvp_csi_usb_ui, LV_EVENT_PRESSED, ui_s);
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}
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lv_obj_t *preview_dvp_csi_usb_ui(lv_group_t *group,lv_obj_t *base_ui)
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{
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struct preview_usb_s *ui_s = (struct preview_usb_s*)STREAM_LIBC_ZALLOC(sizeof(struct preview_usb_s));
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ui_s->last_group = group;
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ui_s->base_ui = base_ui;
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lv_obj_t *btn = lv_list_add_btn(base_ui, NULL, "preview_dvp_csi_usb");
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lv_group_add_obj(group, btn);
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lv_obj_add_event_cb(btn, enter_preview_dvp_csi_usb_ui, LV_EVENT_PRESSED, ui_s);
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return btn;
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} |