Add ioctl interface used in v4l2m2m

Signed-off-by: shizhenghui <shizhenghui@xiaomi.com>

drivers/video/v4l2_core.c

@@ -427,7 +427,6 @@ static int v4l2_ioctl(FAR struct file *filep,
 
         return v4l2->vops->enum_fmt(v4l2,
                              (FAR struct v4l2_fmtdesc *)arg);
-        break;
 
       case VIDIOC_ENUM_FRAMEINTERVALS:
         if (v4l2->vops->enum_frminterval == NULL)
@@ -437,7 +436,6 @@ static int v4l2_ioctl(FAR struct file *filep,
 
         return v4l2->vops->enum_frminterval(v4l2,
                              (FAR struct v4l2_frmivalenum *)arg);
-        break;
 
       case VIDIOC_ENUM_FRAMESIZES:
         if (v4l2->vops->enum_frmsize == NULL)
@@ -447,7 +445,51 @@ static int v4l2_ioctl(FAR struct file *filep,
 
         return v4l2->vops->enum_frmsize(v4l2,
                              (FAR struct v4l2_frmsizeenum *)arg);
-        break;
+
+      case VIDIOC_CROPCAP:
+        if (v4l2->vops->cropcap == NULL)
+          {
+            break;
+          }
+
+        return v4l2->vops->cropcap(v4l2,
+                             (FAR struct v4l2_cropcap *)arg);
+
+      case VIDIOC_DQEVENT:
+        if (v4l2->vops->dqevent == NULL)
+          {
+            break;
+          }
+
+        return v4l2->vops->dqevent(v4l2,
+                             (FAR struct v4l2_event *)arg);
+
+      case VIDIOC_SUBSCRIBE_EVENT:
+        if (v4l2->vops->subscribe_event == NULL)
+          {
+            break;
+          }
+
+        return v4l2->vops->subscribe_event(v4l2,
+                             (FAR struct v4l2_event_subscription *)arg);
+
+      case VIDIOC_DECODER_CMD:
+        if (v4l2->vops->decoder_cmd == NULL)
+          {
+            break;
+          }
+
+        return v4l2->vops->decoder_cmd(v4l2,
+                             (FAR struct v4l2_decoder_cmd *)arg);
+
+      case VIDIOC_ENCODER_CMD:
+        if (v4l2->vops->encoder_cmd == NULL)
+          {
+            break;
+          }
+
+        return v4l2->vops->encoder_cmd(v4l2,
+                             (FAR struct v4l2_encoder_cmd *)arg);
 
       default:
         verr("Unrecognized cmd: %d\n", cmd);

include/nuttx/video/video.h

@@ -144,6 +144,16 @@ struct v4l2_ops_s
                                FAR struct v4l2_frmivalenum *f);
   CODE int (*enum_frmsize)(FAR struct v4l2_s *ctx,
                            FAR struct v4l2_frmsizeenum *f);
+  CODE int (*cropcap)(FAR struct v4l2_s *ctx,
+                      FAR struct v4l2_cropcap *cropcap);
+  CODE int (*dqevent)(FAR struct v4l2_s *ctx,
+                      FAR struct v4l2_event *event);
+  CODE int (*subscribe_event)(FAR struct v4l2_s *ctx,
+                              FAR struct v4l2_event_subscription *sub);
+  CODE int (*decoder_cmd)(FAR struct v4l2_s *ctx,
+                          FAR struct v4l2_decoder_cmd *cmd);
+  CODE int (*encoder_cmd)(FAR struct v4l2_s *ctx,
+                          FAR struct v4l2_encoder_cmd *cmd);
 };
 
 /****************************************************************************

include/sys/videoio.h

@@ -518,6 +518,8 @@ enum v4l2_buf_type
    || (type) == V4L2_BUF_TYPE_SDR_OUTPUT           \
    || (type) == V4L2_BUF_TYPE_META_OUTPUT)
 
+#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
+
 /* Memory I/O method. Currently, support only V4L2_MEMORY_USERPTR. */
 
 enum v4l2_memory