174 lines
4.5 KiB
C
174 lines
4.5 KiB
C
#include "sys_config.h"
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#include "typesdef.h"
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#include "dev.h"
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#include "devid.h"
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#include "stream_frame.h"
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#include "utlist.h"
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#include "osal/task.h"
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#include "custom_mem/custom_mem.h"
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#include "osal/work.h"
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uint32_t rgb_limit(int32_t val)
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{
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if(val > 255)
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return 255;
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else if(val < 0)
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return 0;
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else
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return val;
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}
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void *yuv2rgb(uint8_t *inbuf, uint32_t width, uint32_t height)
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{
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uint16_t *outbuf = (uint16_t *)custom_malloc_psram(width*height*2);
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if(!outbuf)
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{
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return NULL;
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}
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uint8_t *ybuf = inbuf;
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uint8_t *ubuf = inbuf+width*height;
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uint8_t *vbuf = inbuf+width*height+width*height/4;
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int32_t temp = 0;
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int16_t y=0;
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int16_t u,v;
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uint8_t r,g,b;
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uint32_t uv_w = width/2;
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uint32_t uv_w_temp = 0;
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uint32_t uv_h_temp = 0;
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for(uint32_t i=0; i<height; i++) {
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for(uint32_t j=0; j<width; j++) {
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uv_w_temp = j/2;
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uv_h_temp = i/2;
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y = ybuf[i*width+j];
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u = ubuf[uv_h_temp*uv_w+uv_w_temp]-128;
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v = vbuf[uv_h_temp*uv_w+uv_w_temp]-128;
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temp = ((y<<10) + 1441*v)>>10;
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r = (uint8_t)rgb_limit(temp);
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temp = ((y<<10) - 354*u -734*v)>>10;
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g = (uint8_t)rgb_limit(temp);
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temp = ((y<<10) + 1842*u)>>10;
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b = (uint8_t)rgb_limit(temp);
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outbuf[i*width+j] = ((r&0xF8)<<8)+((g&0xFC)<<3)+((b&0xF8)>>3);
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}
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}
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return outbuf;
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}
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struct jpg_to_rgb_s
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{
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struct os_work work;
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stream *s;
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};
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static int32 jpg_to_rgb_work(struct os_work *work)
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{
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//static int flag = 0;
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struct jpg_to_rgb_s *jpg_to_rgb = (struct jpg_to_rgb_s *)work;
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struct data_structure *data_s;
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data_s = recv_real_data(jpg_to_rgb->s);
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if(data_s)
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{
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#if 0
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if(!flag)
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{
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flag = 1;
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//写卡
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{
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#if 0
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void *fp = osal_fopen("0:my.lv","wb");
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os_printf("%s:%d\tfp:%X\n",__FUNCTION__,__LINE__,fp);
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if(fp)
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{
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osal_fwrite(get_stream_real_data(data_s),1,get_stream_real_data_len(data_s),fp);
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osal_fclose(fp);
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}
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#else
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void *rgb_buf = yuv2rgb(get_stream_real_data(data_s),64,64);
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os_printf("%s:%d\trgb_buf:%X\n",__FUNCTION__,__LINE__,rgb_buf);
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if(rgb_buf)
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{
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save_fs_lv_img_lzo("0:my.lv",rgb_buf,64,64,1);
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custom_free_psram(rgb_buf);
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}
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#endif
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}
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}
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#endif
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free_data(data_s);
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os_printf("!!!!!!!!!!!!!!!!!%s:%d\n",__FUNCTION__,__LINE__);
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}
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os_run_work_delay(work, 1);
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return 0;
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}
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static int opcode_func(stream *s,void *priv,int opcode)
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{
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int res = 0;
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switch(opcode)
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{
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case STREAM_OPEN_ENTER:
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break;
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case STREAM_OPEN_EXIT:
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{
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s->priv = (void*)custom_zalloc(sizeof(struct jpg_to_rgb_s));
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struct jpg_to_rgb_s *jpg_to_rgb = (struct jpg_to_rgb_s *)s->priv;
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jpg_to_rgb->s = s;
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OS_WORK_INIT(&jpg_to_rgb->work, jpg_to_rgb_work, 0);
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os_run_work_delay(&jpg_to_rgb->work, 1);
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enable_stream(s,1);
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}
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break;
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case STREAM_OPEN_FAIL:
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break;
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case STREAM_RECV_DATA_FINISH:
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break;
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//在发送到这个流的时候,进行数据包过滤
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case STREAM_FILTER_DATA:
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{
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struct data_structure *data = (struct data_structure *)priv;
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//os_printf("%s:%d\tdata:%X\n",__FUNCTION__,__LINE__,data);
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if(GET_DATA_TYPE1(data->type) != YUV || GET_DATA_TYPE2(data->type) != LVGL_JPEG_TO_RGB)
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{
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res = 1;
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break;
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}
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}
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break;
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//流接收后,数据包也要检查是否需要过滤或者是不是因为逻辑条件符合需要过滤
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case STREAM_RECV_FILTER_DATA:
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{
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struct data_structure *data = (struct data_structure *)priv;
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//os_printf("type1:%d\ttype2:%d\n",GET_DATA_TYPE1(data->type),GET_DATA_TYPE2(data->type));
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if(GET_DATA_TYPE1(data->type) != YUV)
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{
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res = 1;
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break;
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}
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//先特殊处理一下某些帧不显示,遇到是需要转换rgb的,就不要接收
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if(GET_DATA_TYPE2(data->type) != LVGL_JPEG_TO_RGB)
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{
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res = 1;
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break;
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}
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}
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break;
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default:
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break;
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}
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return res;
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}
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stream *YUV_TO_RGB_stream(const char *name)
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{
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stream *s = open_stream_available(name,0,2,opcode_func,NULL);
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return s;
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}
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