Files
OpenTXW81X/sdk/app/video_app/video_app_usb.c
T
2025-08-27 09:51:58 +01:00

445 lines
9.5 KiB
C

/*
在硬件初始化后,这里就是相关video的接口
*/
#include "video_app_usb.h"
//临时利用,V200接口需要用到
#include "devid.h"
#include "stream_frame.h"
#include "utlist.h"
#include "osal/work.h"
#include "jpgdef.h"
#include "custom_mem/custom_mem.h"
#include "dev/usb/uvc_host.h"
#include "osal/irq.h"
static stream *g_usb_jpeg_s = NULL;
static struct os_work usb_jpeg_stream_work;
struct jpg_frame_msg
{
uint32_t len;
void *malloc_mem;
};
//usb的情况下,如果是在sram,则获取的get_uvc_frame一定是独占,只有等自己释放
static int32 stream_get_usb_jpg_work_sram(struct os_work *work)
{
struct list_head* get_f;
UVC_MANAGE* uvc_message;
UVC_BLANK* data;
stream *s = g_usb_jpeg_s;
int err = 1;
uint32_t flags;
flags = disable_irq();
get_f = get_uvc_frame();
enable_irq(flags);
if(get_f)
{
uvc_message = list_entry(get_f,UVC_MANAGE,list);
set_uvc_frame_using(uvc_message);
//os_printf("usb jpeg len:%d\n",uvc_message->frame_len);
struct stream_jpeg_data_s *el,*tmp;
struct stream_jpeg_data_s *dest_list = NULL;
int get_f_count = get_usb_node_count(get_f);
struct stream_jpeg_data_s *m = NULL;
if(get_f_count)
{
//多一个,为了固定头指针
m = (struct stream_jpeg_data_s *)os_malloc((get_f_count+1)*sizeof(struct stream_jpeg_data_s));
memset(m,0,(get_f_count+1)*sizeof(struct stream_jpeg_data_s));
el = m;
el->next = NULL;
el->data = NULL;
el->ref = 0;
LL_APPEND(dest_list,el);
m++;
}
//os_printf("get_f_count:%d\n",get_f_count);
while(m && get_f_count--)
{
//图片节点提取
if(list_empty(&uvc_message->list))
{
err = 0;
break;
}
else
{
el = m++;
//保存next
data = list_entry(uvc_message->list.prev,UVC_BLANK,list);
list_del((struct list_head *)data);
data->list.next = NULL;
data->list.prev = NULL;
el->data = (void*)data;
el->ref = 1;
el->next = NULL;
err = 0;
//添加到另一个链表
LL_APPEND(dest_list,el);
}
}
//os_printf("%s:%d\n",__FUNCTION__,__LINE__);
struct data_structure *data_s = NULL;
//没有错误的情况才去申请空间
if(!err)
{
data_s = get_src_data_f(s);
}
if(err || !data_s || !data_s->priv)
{
//清除已经提取的图片节点
LL_FOREACH_SAFE(dest_list,el,tmp)
{
el->ref = 0;
el->next = NULL;
if(el->data)
{
free_usb_node(el->data);
}
el->data = NULL;
}
os_free(dest_list);
if(data_s)
{
force_del_data(data_s);
}
}
else
{
//数据绑定
data_s->data = dest_list;
data_s->ref = 0;
data_s->type = SET_DATA_TYPE(JPEG,JPEG_DVP_NODE);
set_stream_data_time(data_s,os_jiffies());
struct jpg_frame_msg *j = (struct jpg_frame_msg*)data_s->priv;
j->len = uvc_message->frame_len;
j->malloc_mem = dest_list;
//统一发送数据,这个时候,其他流才有可能获取到数据
_os_printf("S");
send_data_to_stream(data_s);
}
del_usb_frame(get_f);
del_uvc_frame(uvc_message);
get_f = NULL;
}
os_run_work_delay(&usb_jpeg_stream_work, 1);
return 0;
}
static uint32_t usb_jpg_custom_func_sram(void *data,int opcode,void *priv)
{
uint32_t res = 0;
uint32_t flags;
switch(opcode)
{
case CUSTOM_GET_NODE_LEN:
res = get_node_uvc_len();
break;
case CUSTOM_GET_NODE_BUF:
res = (uint32_t)get_usb_jpeg_node_buf(priv);
break;
case CUSTOM_GET_FIRST_BUF:
{
struct stream_jpeg_data_s *dest_list = (struct stream_jpeg_data_s *)GET_DATA_BUF(data);
//头是固定用,next才是真正的数据
if(dest_list->next)
{
res =(uint32) get_usb_jpeg_node_buf(dest_list->next->data);
}
}
break;
case CUSTOM_FREE_NODE:
{
//释放data->data里面的图片数据
//清除已经提取的图片节点
struct data_structure *d = (struct data_structure *)data;
struct stream_jpeg_data_s *el,*tmp;
struct stream_jpeg_data_s *dest_list = (struct stream_jpeg_data_s *)d->data;
struct stream_jpeg_data_s *dest_list_tmp = dest_list;
uint32_t flags;
flags = disable_irq();
//释放el->data后,最后将链表释放
LL_FOREACH_SAFE(dest_list,el,tmp)
{
if(el == dest_list_tmp)
{
continue;
}
el->ref--;
//是否要释放
if(!el->ref)
{
LL_DELETE(dest_list,el);
if(el->data)
{
free_usb_node(el->data);
}
}
}
enable_irq(flags);
}
break;
case CUSTOM_DEL_NODE:
{
uint32_t ref;
struct data_structure *d = (struct data_structure *)data;
struct stream_jpeg_data_s *dest_list = (struct stream_jpeg_data_s *)d->data;
struct stream_jpeg_data_s *el = (struct stream_jpeg_data_s *)priv;
flags = disable_irq();
ref = --el->ref;
enable_irq(flags);
if(!ref)
{
LL_DELETE(dest_list,el);
free_usb_node(el->data);
}
}
break;
default:
break;
}
return res;
}
static uint32_t get_data_len(void *data)
{
struct data_structure *d = (struct data_structure *)data;
struct jpg_frame_msg *j = (struct jpg_frame_msg*)d->priv;
uint32_t len = 0;
if(j)
{
len = j->len;
}
return len;
}
static stream_ops_func stream_usb_jpg_ops =
{
.get_data_len = get_data_len,
.custom_func = usb_jpg_custom_func_sram,
};
static int opcode_func_sram(stream *s,void *priv,int opcode)
{
int res = 0;
switch(opcode)
{
case STREAM_OPEN_ENTER:
break;
case STREAM_OPEN_EXIT:
{
stream_data_dis_mem_custom(s);
streamSrc_bind_streamDest(s,R_RTP_JPEG);
streamSrc_bind_streamDest(s,R_RECORD_JPEG);
//启动jpeg流
//extern void start_jpeg_stream();
//start_jpeg_stream();
//启动workqueue
OS_WORK_INIT(&usb_jpeg_stream_work, stream_get_usb_jpg_work_sram, 0);
os_run_work_delay(&usb_jpeg_stream_work, 1);
}
break;
case STREAM_OPEN_FAIL:
break;
case STREAM_DATA_DIS:
{
struct data_structure *data = (struct data_structure *)priv;
//注册对应函数
data->ops = &stream_usb_jpg_ops;
data->data = NULL;
data->priv = (struct jpg_frame_msg*)os_malloc(sizeof(struct jpg_frame_msg));
if(data->priv)
{
memset(data->priv,0,sizeof(struct jpg_frame_msg));
}
else
{
os_printf("malloc mem fail,%s:%d\n",__FUNCTION__,__LINE__);
}
}
break;
case STREAM_DATA_DESTORY:
{
struct data_structure *data = (struct data_structure *)priv;
if(data->priv)
{
os_free(data->priv);
}
}
break;
//如果释放空间,则删除所有的节点
case STREAM_DATA_FREE:
{
//释放data->data里面的图片数据
//清除已经提取的图片节点
struct data_structure *data = (struct data_structure *)priv;
struct stream_jpeg_data_s *el,*tmp;
struct stream_jpeg_data_s *dest_list = (struct stream_jpeg_data_s *)data->data;
struct stream_jpeg_data_s *dest_list_tmp = dest_list;
//释放el->data后,最后将链表释放
LL_FOREACH_SAFE(dest_list,el,tmp)
{
if(dest_list_tmp == el)
{
continue;
}
if(el->data)
{
free_usb_node(el->data);
}
}
struct jpg_frame_msg *j = (struct jpg_frame_msg*)data->priv;
if(j)
{
os_free(j->malloc_mem);
j->malloc_mem = NULL;
}
}
break;
case STREAM_DATA_FREE_END:
break;
//每次即将发送到一个流,就调用一次
case STREAM_SEND_TO_DEST:
{
//释放data->data里面的图片数据
//清除已经提取的图片节点
struct data_structure *data = (struct data_structure *)priv;
struct stream_jpeg_data_s *el,*tmp;
struct stream_jpeg_data_s *dest_list = (struct stream_jpeg_data_s *)data->data;
uint32_t flags;
flags = disable_irq();
//释放el->data后,最后将链表释放
LL_FOREACH_SAFE(dest_list,el,tmp)
{
el->ref++;
}
enable_irq(flags);
}
break;
//数据发送完成
case STREAM_SEND_DATA_FINISH:
{
//释放data->data里面的图片数据
//清除已经提取的图片节点
struct data_structure *data = (struct data_structure *)priv;
struct stream_jpeg_data_s *el,*tmp;
struct stream_jpeg_data_s *dest_list = (struct stream_jpeg_data_s *)data->data;
struct stream_jpeg_data_s *dest_list_tmp = dest_list;
uint32_t flags;
flags = disable_irq();
//释放el->data后,最后将链表释放
LL_FOREACH_SAFE(dest_list,el,tmp)
{
if(el == dest_list_tmp)
{
continue;
}
el->ref--;
//是否要释放
if(!el->ref)
{
LL_DELETE(dest_list,el);
if(el->data)
{
free_usb_node(el->data);
}
}
}
enable_irq(flags);
}
break;
//退出,则关闭对应得流
case STREAM_CLOSE_EXIT:
{
extern void stop_jpeg_stream();
os_work_cancle2(&usb_jpeg_stream_work,1);
//stop_jpeg_stream();
}
break;
default:
//默认都返回成功
break;
}
return res;
}
stream *usb_jpeg_stream_init()
{
stream *src = NULL;
os_printf("%s:%d\n",__FUNCTION__,__LINE__);
src = open_stream_available(S_USB_JPEG,2,0,opcode_func_sram,NULL);
g_usb_jpeg_s = src;
os_printf("src:%X\n",src);
if(src)
{
os_printf("src open_ref:%d\n",src->open_ref);
}
return src;
}
void usb_jpeg_stream_deinit()
{
int res;
if(g_usb_jpeg_s)
{
res = close_stream(g_usb_jpeg_s);
if(!res)
{
g_usb_jpeg_s = NULL;
}
}
}