pure sdk for main

2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
@@ -0,0 +1,79 @@
+#include "lvgl_osd_stream.h"
+#include "custom_mem/custom_mem.h"
+//lvgl中osd的流,主要用于copy,效率会低(占用内存少,如果想不copy,可能lvgl内部要用动态内存的buf或者等待压缩完毕后再重复使用对应buf,但需要改动内部实现),psram竞争加大,但为了统一流程
+//统一发送到压缩流,由压缩流去管理压缩硬件模块
+//这个是作为源头
+static int opcode_func(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);
+			//osd流去进行编码
+			streamSrc_bind_streamDest(s,R_OSD_ENCODE);
+		}
+		break;
+		case STREAM_OPEN_FAIL:
+		break;
+		case STREAM_DATA_DIS:
+		{
+				struct data_structure *data = (struct data_structure *)priv;
+				
+				data->priv = (struct encode_data_s_callback*)custom_zalloc_psram(sizeof(struct encode_data_s_callback));
+		}
+		break;
+
+		//使用固定的buf,所以不需要释放,但是要回调函数,通知lvgl已经完成
+		case STREAM_DATA_FREE:
+		{
+				struct data_structure *data = (struct data_structure *)priv;
+				struct encode_data_s_callback *callback = data->priv;
+				if(callback->finish_cb)
+				{
+					callback->finish_cb(callback->user_data);
+				}
+				if(callback->free_cb)
+				{
+					callback->free_cb(callback->user_data,data->data);
+				}
+				data->data = NULL;
+				callback->finish_cb = NULL;
+				callback->free_cb = NULL;
+				callback->user_data = NULL;
+
+		}
+
+		break;
+
+        case STREAM_DATA_FREE_END:
+        break;
+
+
+		//数据发送完成,可以选择唤醒对应的任务
+		case STREAM_SEND_DATA_FINISH:
+		break;
+
+
+		//音频发送之前先拷贝到psram
+		case STREAM_SEND_DATA_START:
+		{
+		}
+		break;
+
+		default:
+			//默认都返回成功
+		break;
+	}
+	return res;
+}
+
+//拷贝osd到内存,然后发送出去,使用workqueue去作为任务吧
+stream *lvgl_osd_stream(const char *name)
+{
+	stream *s = open_stream_available(name,2,0,opcode_func,NULL);
+	return s;
+}