112 lines
4.2 KiB
C
112 lines
4.2 KiB
C
/***********************************************************************************************************
|
|
* 画中画效果,可以根据情况只显示一个
|
|
S_USB_JPEG_PSRAM ----> SR_OTHER_JPG_USB1 ----> S_JPG_DECODE
|
|
| (320x240) (320x240)
|
|
|
|
|
|
|
|
----> SR_OTHER_JPG_USB2 ----> S_JPG_DECODE
|
|
(160x120) (160x120)
|
|
********************************************************************************************************** */
|
|
#include "lvgl/lvgl.h"
|
|
#include "lvgl_ui.h"
|
|
#include "osal/string.h"
|
|
#include "stream_frame.h"
|
|
#include "custom_mem/custom_mem.h"
|
|
#include "other_jpg_show/other_jpg_show_stream.h"
|
|
|
|
//是否打开画中画demo(usb数据解码两次显示的demo)
|
|
#define PIP_EN 0
|
|
|
|
//data申请空间函数
|
|
#define STREAM_MALLOC custom_malloc_psram
|
|
#define STREAM_FREE custom_free_psram
|
|
#define STREAM_ZALLOC custom_zalloc_psram
|
|
|
|
//结构体申请空间函数
|
|
#define STREAM_LIBC_MALLOC custom_malloc
|
|
#define STREAM_LIBC_FREE custom_free
|
|
#define STREAM_LIBC_ZALLOC custom_zalloc
|
|
|
|
extern lv_indev_t * indev_keypad;
|
|
extern lv_style_t g_style;
|
|
struct preview_usb_s
|
|
{
|
|
lv_group_t *last_group;
|
|
lv_obj_t *base_ui;
|
|
|
|
lv_group_t *now_group;
|
|
lv_obj_t *now_ui;
|
|
|
|
//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
|
|
stream *usb_P0_jpg_s;
|
|
stream *usb_P1_jpg_s;
|
|
stream *decode_s;
|
|
|
|
|
|
};
|
|
|
|
static void exit_preview_usb_ui(lv_event_t * e)
|
|
{
|
|
struct preview_usb_s *ui_s = (struct preview_usb_s *)lv_event_get_user_data(e);
|
|
lv_indev_set_group(indev_keypad, ui_s->last_group);
|
|
lv_obj_clear_flag(ui_s->base_ui, LV_OBJ_FLAG_HIDDEN);
|
|
lv_group_del(ui_s->now_group);
|
|
ui_s->now_group = NULL;
|
|
close_stream(ui_s->usb_P0_jpg_s);
|
|
#if PIP_EN == 1
|
|
close_stream(ui_s->usb_P1_jpg_s);
|
|
#endif
|
|
close_stream(ui_s->decode_s);
|
|
lv_obj_del(ui_s->now_ui);
|
|
}
|
|
//进入预览的ui,那么就要创建新的ui去显示预览图了
|
|
static void enter_preview_usb_ui(lv_event_t * e)
|
|
{
|
|
struct preview_usb_s *ui_s = (struct preview_usb_s *)lv_event_get_user_data(e);
|
|
lv_obj_add_flag(ui_s->base_ui, LV_OBJ_FLAG_HIDDEN);
|
|
lv_obj_t *ui = lv_obj_create(lv_scr_act());
|
|
ui_s->now_ui = ui;
|
|
lv_obj_add_style(ui, &g_style, 0);
|
|
lv_obj_set_size(ui, LV_PCT(100), LV_PCT(100));
|
|
ui_s->decode_s = jpg_decode_stream_not_bind(S_JPG_DECODE);
|
|
//将解码的数据推送到Video P0和Video P1显示
|
|
streamSrc_bind_streamDest(ui_s->decode_s,R_VIDEO_P0);
|
|
streamSrc_bind_streamDest(ui_s->decode_s,R_VIDEO_P1);
|
|
enable_stream(ui_s->decode_s,1);
|
|
|
|
|
|
//接收usb的jpg数据,配置需要解码的参数(320x240),然后给到S_JPG_DECODE进行解码,最后给到P0去显示(设置时P0的类型)
|
|
ui_s->usb_P0_jpg_s = other_jpg_stream_not_bind(SR_OTHER_JPG_USB1,320,240,320,240,YUV_P0);
|
|
//将other_jpg的数据给到S_JPG_DECODE进行编码
|
|
streamSrc_bind_streamDest(ui_s->usb_P0_jpg_s,S_JPG_DECODE);
|
|
enable_stream(ui_s->usb_P0_jpg_s,1);
|
|
|
|
#if PIP_EN == 1
|
|
//接收usb的jpg数据,配置需要解码的参数(160x120),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)
|
|
ui_s->usb_P1_jpg_s = other_jpg_stream_not_bind(SR_OTHER_JPG_USB2,160,120,160,120,YUV_P1);
|
|
//将other_jpg的数据给到S_JPG_DECODE进行编码
|
|
streamSrc_bind_streamDest(ui_s->usb_P1_jpg_s,S_JPG_DECODE);
|
|
enable_stream(ui_s->usb_P1_jpg_s,1);
|
|
#endif
|
|
|
|
|
|
lv_group_t *group;
|
|
group = lv_group_create();
|
|
lv_indev_set_group(indev_keypad, group);
|
|
|
|
|
|
lv_group_add_obj(group, ui);
|
|
ui_s->now_group = group;
|
|
lv_obj_add_event_cb(ui, exit_preview_usb_ui, LV_EVENT_PRESSED, ui_s);
|
|
}
|
|
|
|
lv_obj_t *preview_usb_ui(lv_group_t *group,lv_obj_t *base_ui)
|
|
{
|
|
struct preview_usb_s *ui_s = (struct preview_usb_s*)STREAM_LIBC_ZALLOC(sizeof(struct preview_usb_s));
|
|
ui_s->last_group = group;
|
|
ui_s->base_ui = base_ui;
|
|
lv_obj_t *btn = lv_list_add_btn(base_ui, NULL, "preview_usb_pip");
|
|
lv_group_add_obj(group, btn);
|
|
lv_obj_add_event_cb(btn, enter_preview_usb_ui, LV_EVENT_PRESSED, ui_s);
|
|
return btn;
|
|
} |