first commit

2024-12-15 20:42:32 +08:00
commit 986b2fca12
586 changed files with 154149 additions and 0 deletions
--- a/GB28181Device/media/v4l2_comm.cpp
+++ b/GB28181Device/media/v4l2_comm.cpp
@@ -0,0 +1,74 @@
+/***************************************************************************************
+ *
+ *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+ *
+ *  By downloading, copying, installing or using the software you agree to this license.
+ *  If you do not agree to this license, do not download, install, 
+ *  copy or use the software.
+ *
+ *  Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
+ *
+ *  Redistribution and use in binary forms, with or without modification, are permitted.
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed 
+ *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
+ *  language governing permissions and limitations under the License.
+ *
+****************************************************************************************/
+
+#include "sys_inc.h"
+#include "v4l2_comm.h"
+#include "media_format.h"
+#include <linux/videodev2.h>
+
+
+const struct v4l2_fmt_map v4l2_fmt_table[] = 
+{
+	{ VIDEO_FMT_YUV420P, V4L2_PIX_FMT_YUV420  },
+	{ VIDEO_FMT_YUV420P, V4L2_PIX_FMT_YVU420  },
+	{ VIDEO_FMT_YUV422P, V4L2_PIX_FMT_YUV422P },
+	{ VIDEO_FMT_YUYV422, V4L2_PIX_FMT_YUYV    },
+	{ VIDEO_FMT_UYVY422, V4L2_PIX_FMT_UYVY    },
+	{ VIDEO_FMT_BGR24,   V4L2_PIX_FMT_BGR24   },
+	{ VIDEO_FMT_RGB24,   V4L2_PIX_FMT_RGB24   },
+	{ VIDEO_FMT_BGR32,   V4L2_PIX_FMT_BGR32   },
+    { VIDEO_FMT_RGB32,   V4L2_PIX_FMT_RGB32   },
+	{ VIDEO_FMT_NV12,    V4L2_PIX_FMT_NV12    },
+	{ VIDEO_FMT_MJPG,    V4L2_PIX_FMT_MJPEG   },
+    { VIDEO_FMT_MJPG,    V4L2_PIX_FMT_JPEG    },
+	{ VIDEO_FMT_NONE,    0                    },
+};
+
+BOOL v4l2_fmt_is_support(uint32 v4l2_fmt)
+{
+    int i;
+
+    for (i = 0; v4l2_fmt_table[i].ht_fmt != VIDEO_FMT_NONE; i++) 
+    {
+        if (v4l2_fmt == v4l2_fmt_table[i].v4l2_fmt) 
+        {
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+int v4l2_fmt_to_ht_fmt(uint32 v4l2_fmt)
+{
+    int i;
+
+    for (i = 0; v4l2_fmt_table[i].ht_fmt != VIDEO_FMT_NONE; i++) 
+    {
+        if (v4l2_fmt == v4l2_fmt_table[i].v4l2_fmt) 
+        {
+            return v4l2_fmt_table[i].ht_fmt;
+        }
+    }
+
+    return VIDEO_FMT_NONE;
+}
+
+
+