initial commit

hal/hal_video/hal_interface_video.c

@@ -0,0 +1,95 @@
+#include <stdlib.h>
+#include "hal_interface_video.h"
+#include "list.h"
+#include "hthread.h"
+#include "hlog.h"
+
+typedef struct{
+	struct list_head    	 link;
+	video_attr_st			 attr;
+	hal_video_frame_callback cb;
+}video_ins;
+
+static struct list_head s_vlist = LIST_HEAD_INIT(s_vlist);
+
+static void * hal_video_polling_task(void *arg)
+{
+	uint32_t ret;
+	uint32_t get;
+	while(1){
+		video_frame frame;
+		get = 0;
+		struct list_head *pos, *n;
+		list_for_each_safe(pos, n, &s_vlist){
+			video_ins *video = list_entry(pos, video_ins, link);
+			ret = hal_video_get_frame(video->attr.stream_chn, &frame, 5);
+			if (ret == OK){
+				video->cb(&frame);
+				get = 1;
+			}
+		}
+		if (!get){
+            hloge("%s failed to hal_video_get_frame", __func__);
+			hv_msleep(10);
+		}
+	}
+}
+
+
+uint32_t hal_video_openstream(HAL_SENSOR_IDX sensor_idx, hal_video_frame_callback cb, HAL_STREAM_CHANNEL stream_chn, const video_attr_st attr){
+	struct list_head *pos, *n;
+	list_for_each_safe(pos, n, &s_vlist){
+		video_ins* video = list_entry(pos, video_ins, link);
+        if (video->cb == cb) {
+		   return 0;
+        }
+	}
+    if (list_empty(&s_vlist)){ /* 第一次open 创建一个共用线程, 理论取流还是够, 避免用太多的线程了 */
+	    hthread_create(hal_video_polling_task, NULL);
+    }
+	video_ins *video = (video_ins*)hv_malloc(sizeof(video_ins));
+	if (!video){
+		hloge("%s failed to hv_malloc", __func__);
+		return -1;
+	}
+	video->cb     = cb;
+	video->attr   = attr;
+	list_add_tail(&video->link, &s_vlist);
+	{
+        /* to bind sensor and chn  */
+        /* to start chn  */
+        /* to start encode  */
+	}
+    
+    
+	
+	return 0;
+}
+
+uint32_t hal_video_closestream(hal_video_frame_callback cb){
+	struct list_head *pos, *n;
+	list_for_each_safe(pos, n, &s_vlist){
+		video_ins* video = list_entry(pos, video_ins, link);
+        if (video->cb == cb) {
+			//deinit chn
+           list_del(pos);
+		   hv_free(video);
+		   return 0;
+        }
+	}
+	return -1;
+}
+
+uint32_t hal_video_set_attr(HAL_SENSOR_IDX idx, HAL_STREAM_CHANNEL stream_chn, const video_attr_st * attr){
+	//video_attr_st *a = &s_hal_video_st[idx][stream_chn].attr;
+
+	/*
+    uint32_t                width;             // resolution width, 0为不重复设置
+    uint32_t                height;            // resolution height, 0为不重复设置
+    uint32_t                bitrate;           // 码率: Kbit per second, 0为不重复设置
+    uint32_t				fps;			   // 编码帧率
+    uint32_t				gop;
+	*/
+	
+}
+