TAIXIN/sdk/app/ui/avi_record_ui.c

/*************************************************************************************** 
这个主要是预览,通过scale3_msi将dvp/csi数据scale到对应的分辨率作为数据流发送出去
然后lcd_msi需要接收对应的数据去显示
这里只是产生对应数据流,数据用途实际需要终端流(比如lcd流)接收后去处理

S_PREVIEW_SCALE3   ---->   R_VIDEO_P0(320x180)
(scale3)                    (lcd_video_p0)

***************************************************************************************/
#include "lvgl/lvgl.h"
#include "lvgl_ui.h"
#include "stream_frame.h"
#include "keyWork.h"
#include "keyScan.h"
#include "lib/heap/av_heap.h"
#include "lib/heap/av_psram_heap.h"
#include "record/avi_record_msi.h"

//data申请空间函数
#define STREAM_MALLOC     av_psram_malloc
#define STREAM_FREE       av_psram_free
#define STREAM_ZALLOC     av_psram_zalloc

//结构体申请空间函数
#define STREAM_LIBC_MALLOC     av_malloc
#define STREAM_LIBC_FREE       av_free
#define STREAM_LIBC_ZALLOC     av_zalloc

#define LV_OBJ_AVI_RECORD_FLAG LV_OBJ_FLAG_USER_1

extern lv_indev_t * indev_keypad;
extern lv_style_t g_style;
struct avi_record_ui_s
{
    lv_group_t  *last_group;
    lv_obj_t    *base_ui;

    lv_group_t    *now_group;
    lv_obj_t    *now_ui;

    struct msi *s;

    uint32_t record_time;

};

static uint32_t self_key(uint32_t val)
{
    uint32_t key_ret = 0;
	if(val > 0)
	{
		if((val&0xff) ==   KEY_EVENT_SUP)
		{
			switch(val>>8)
			{
				case AD_UP:
					key_ret = LV_KEY_PREV;
				break;
				case AD_DOWN:
					key_ret = LV_KEY_NEXT;
				break;
				case AD_LEFT:
					key_ret = 'q';
				break;
				case AD_RIGHT:
					key_ret = 'e';
				break;
				case AD_PRESS:
					key_ret = LV_KEY_ENTER;
				break;

				default:
				break;

			}
		}
	}
    return key_ret;
}

static void avi_record_end_callback(void *user_priv)
{
    struct avi_record_ui_s *ui_s = (struct avi_record_ui_s *)user_priv;

    lv_obj_clear_flag(ui_s->now_ui, LV_OBJ_AVI_RECORD_FLAG);
}

static void start_avi_record_ui(lv_event_t * e)
{
    uint32_t *ret = NULL;
    int32_t c = *((int32_t *)lv_event_get_param(e));
    struct avi_record_ui_s *ui_s = (struct avi_record_ui_s *)lv_event_get_user_data(e);
    if(c == LV_KEY_ENTER)
    {
        if(!lv_obj_has_flag(ui_s->now_ui,LV_OBJ_AVI_RECORD_FLAG))
        {
            lv_obj_add_flag(ui_s->now_ui, LV_OBJ_AVI_RECORD_FLAG); 
            #if AUDIO_EN
            ret = avi_record_msi_init(1280, 720, 30, 8000, 60*1, avi_record_end_callback, ui_s);
            #else
            ret = avi_record_msi_init(1280, 720, 30, 0, 60*1, avi_record_end_callback, ui_s);
            #endif
            if (!ret) {
                lv_obj_clear_flag(ui_s->now_ui, LV_OBJ_AVI_RECORD_FLAG);
            }
        }
        else
        {
            //已经在录像了
            os_printf("%s already running\n",__FUNCTION__);
        }
    }
}

static void exit_avi_record_ui(lv_event_t * e)
{
    int32_t c = *((int32_t *)lv_event_get_param(e));
    if(c == 'q')
    {
        struct avi_record_ui_s *ui_s = (struct avi_record_ui_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;
        avi_record_msi_deinit();
        msi_destroy(ui_s->s);
        //关闭VIDEO P0的使能，释放占住的scale3的fb
        msi_cmd(R_VIDEO_P0, MSI_CMD_LCD_VIDEO, MSI_VIDEO_ENABLE, 0);   
        lv_obj_del(ui_s->now_ui);
        set_lvgl_get_key_func(NULL);
    }
}

//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_avi_record_ui(lv_event_t * e)
{
    set_lvgl_get_key_func(self_key);
    struct avi_record_ui_s *ui_s = (struct avi_record_ui_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));
    //绑定流到Video_P0显示
    
    ui_s->s = scale3_msi(S_PREVIEW_SCALE3);
    if (ui_s->s)
    {
        msi_add_output(ui_s->s, NULL, R_VIDEO_P0);
        msi_cmd(R_VIDEO_P0, MSI_CMD_LCD_VIDEO, MSI_VIDEO_ENABLE, 1);
        ui_s->s->enable = 1;
    }

    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, start_avi_record_ui, LV_EVENT_KEY, ui_s);
    lv_obj_add_event_cb(ui, exit_avi_record_ui, LV_EVENT_KEY, ui_s);
}

lv_obj_t *avi_record_ui(lv_group_t *group,lv_obj_t *base_ui)
{
    struct avi_record_ui_s *ui_s = (struct avi_record_ui_s*)STREAM_LIBC_ZALLOC(sizeof(struct avi_record_ui_s));
    ui_s->last_group = group;
    ui_s->base_ui = base_ui;
    lv_obj_t *btn =  lv_list_add_btn(base_ui, NULL, "avi_record_ui");
    lv_group_add_obj(group, btn);
    lv_obj_add_event_cb(btn, enter_avi_record_ui, LV_EVENT_PRESSED, ui_s);
    return btn;
}