mirror of
https://github.com/sipeed/NanoKVM.git
synced 2026-09-11 00:22:56 -05:00
Restore frame difference detection function
Optimize the detection algorithm to reduce the detection time to 3-4ms per frame, using set_frame_detact (xx); Dynamically set the number of detection interval frames
This commit is contained in:
BuGu
@@ -65,11 +65,13 @@ void set_venc_auto_recyc(uint8_t _enable);
|
||||
2: Acquire H264 encoded images(PPS)[Deprecated]
|
||||
3: Acquire H264 encoded images(I)
|
||||
4: Acquire H264 encoded images(P)
|
||||
5: IMG not changed
|
||||
**********************************************************************************/
|
||||
int kvmv_read_img(uint16_t _width, uint16_t _height, uint8_t _type, uint16_t _qlty, uint8_t** _pp_kvm_data, uint32_t* _p_kvmv_data_size);
|
||||
int free_kvmv_data(uint8_t ** _pp_kvm_data);
|
||||
void free_all_kvmv_data();
|
||||
void set_h264_gop(uint8_t _gop);
|
||||
void set_frame_detact(uint8_t _frame_detact);
|
||||
void kvmv_deinit();
|
||||
uint8_t kvmv_hdmi_control(uint8_t _en);
|
||||
|
||||
|
||||
@@ -22,6 +22,8 @@
|
||||
#define vi_max_width 1920
|
||||
#define vi_max_height 1080
|
||||
|
||||
#define Farame_sample_size 76800 // 320*240
|
||||
|
||||
#define default_vi_width 1920
|
||||
#define default_vi_height 1080
|
||||
#define default_vpss_width 1920
|
||||
@@ -71,7 +73,7 @@ typedef struct {
|
||||
uint16_t qlty;
|
||||
uint8_t cam_state = 0;
|
||||
uint8_t stream_stop;
|
||||
uint8_t frame_detact;
|
||||
uint8_t frame_detact = 0;
|
||||
uint8_t display;
|
||||
uint8_t reinit_flag = 1;
|
||||
uint8_t reopen_cam_flag = 0;
|
||||
@@ -1330,6 +1332,31 @@ int sync_vi_res()
|
||||
return res;
|
||||
}
|
||||
|
||||
uint8_t frame_changed(image::Image *raw)
|
||||
{
|
||||
static int raw_size = 0;
|
||||
static uint8_t Farame_sample[Farame_sample_size] = {0};
|
||||
uint8_t ret = 0;
|
||||
uint8_t sample_byte;
|
||||
if(raw->data_size() != raw_size){
|
||||
raw_size = raw->data_size();
|
||||
ret = 1;
|
||||
}
|
||||
int Detection_Pixel_Interval = raw_size/(Farame_sample_size*1.5);
|
||||
for(int i = 0; i < Farame_sample_size; i ++){
|
||||
// printf("[kvmv] i = %d\n", i);
|
||||
if(i >= raw_size){
|
||||
ret = 0;
|
||||
}
|
||||
sample_byte = *(uint8_t*)(raw->data()+(i*Detection_Pixel_Interval));
|
||||
if(sample_byte != Farame_sample[i]){
|
||||
Farame_sample[i] = sample_byte;
|
||||
ret = 1;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
void jpg_dump(kvmv_data_t* dump_to, image::Image *raw)
|
||||
{
|
||||
dump_to->p_img_data = (uint8_t *)malloc(raw->data_size());
|
||||
@@ -1405,18 +1432,17 @@ int h264_stream_dump(kvmv_data_t* dump_to, mmf_stream_t* dump_from)
|
||||
void set_h264_gop(uint8_t _gop)
|
||||
{
|
||||
kvm_venc.enc_h264_init = 0; // call
|
||||
kvmvenc_gop = maxmin_data(100, 10, (int)_gop);
|
||||
kvmvenc_gop = maxmin_data(100, 1, (int)_gop);
|
||||
debug("[kvmv] set_h264_gop = %d\n", kvmvenc_gop);
|
||||
}
|
||||
|
||||
// uint8_t get_h264_gop(void)
|
||||
// {
|
||||
// return kvm_venc.kvm_venc_cfg.gop;
|
||||
// }
|
||||
|
||||
// uint8_t get_hdmi_width(void)
|
||||
// {
|
||||
// return kvm_venc.kvm_venc_cfg.gop;
|
||||
// }
|
||||
void set_frame_detact(uint8_t _frame_detact)
|
||||
{
|
||||
uint8_t frame_detact = maxmin_data(100, 0, (int)_frame_detact);
|
||||
kvmv_cfg.frame_detact = frame_detact;
|
||||
debug("[kvmv] set_frame_detact = %d\n", kvmv_cfg.frame_detact);
|
||||
kvmv_cfg.stream_stop = 0;
|
||||
}
|
||||
|
||||
int8_t raw_to_h264(image::Image *raw, kvmv_data_t* ret_stream, uint16_t _qlty)
|
||||
{
|
||||
@@ -1573,9 +1599,11 @@ void set_venc_auto_recyc(uint8_t _enable)
|
||||
2: Acquire H264 encoded images(PPS)[Deprecated]
|
||||
3: Acquire H264 encoded images(I)
|
||||
4: Acquire H264 encoded images(P)
|
||||
5: IMG not changed
|
||||
**********************************************************************************/
|
||||
int kvmv_read_img(uint16_t _width, uint16_t _height, uint8_t _type, uint16_t _qlty, uint8_t** _pp_kvm_data, uint32_t* _p_kvmv_data_size)
|
||||
{
|
||||
static uint8_t frame_undetact_count = 0;
|
||||
// uint64_t __attribute__((unused)) start_time = time::time_ms();
|
||||
debug("[kvmv]kvmv_read_img type = %d...\n", _type);
|
||||
struct timespec ts;
|
||||
@@ -1632,6 +1660,27 @@ int kvmv_read_img(uint16_t _width, uint16_t _height, uint8_t _type, uint16_t _ql
|
||||
// debug("[kvmv]befor read img: %d \r\n", (int)(time::time_ms() - start_time));
|
||||
image::Image *img = cam->read();
|
||||
// debug("[kvmv]read img: %d \r\n", (int)(time::time_ms() - start_time));
|
||||
if(_type == VENC_MJPEG && kvmv_cfg.frame_detact != 0){
|
||||
if(kvmv_cfg.stream_stop == 0){
|
||||
frame_undetact_count++;
|
||||
} else {
|
||||
frame_undetact_count = kvmv_cfg.frame_detact;
|
||||
}
|
||||
|
||||
if(frame_undetact_count == kvmv_cfg.frame_detact){
|
||||
frame_undetact_count = 0;
|
||||
if(frame_changed(img) == 0){
|
||||
debug("[kvmv]frame not changed...\n");
|
||||
kvmv_cfg.stream_stop = 1;
|
||||
delete img;
|
||||
pthread_mutex_unlock(&vi_mutex);
|
||||
return 5;
|
||||
} else {
|
||||
kvmv_cfg.stream_stop = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(img != NULL){
|
||||
if(kvmv_cfg.cam_state == 0) {
|
||||
kvmv_cfg.cam_state = 1;
|
||||
@@ -1794,24 +1843,3 @@ uint8_t kvmv_hdmi_control(uint8_t _en)
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
todo list:
|
||||
- [x] 添加芯片型号
|
||||
- [-] 写一个不支持的分辨率列表，如果不支持就发出错误提醒，不输出/不获取图像
|
||||
- mode0：
|
||||
- 获取到支持的分辨率：直接初始化
|
||||
- 不支持的分辨率：输出对应错误
|
||||
- 不在列表的分辨率：自动进入模式1
|
||||
- mode1：
|
||||
- 根据/proc/cvitek
|
||||
- [ ] 写一个文档说明获取USB HDMI ETH WiFi的状态
|
||||
- [ ] mode0：添加功能，获取到一个错误的res自动切换为探索模式
|
||||
- [ ] add mode3：仅i2c获取模式
|
||||
- [ ] 创建守护server进程
|
||||
- [ ] mDNS默认配置问题
|
||||
- [ ] 关于看门狗：kvm_vision和kvm_system相互在/tmp里狗叫，同时vision中添加检测是否read卡死，system中检测ion是否够用，否则重启
|
||||
VI_SDK_IOC_S_CTRL - vi_sdk_enable_chn NG, No buffer space available ion是否够用也放在vision里吧，前面是log
|
||||
|
||||
*/
|
||||
Reference in New Issue
Block a user