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| >Video for Linux Two API Specification: Revision 0.24</TH |
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| ><A |
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| >6.4. Experimental API Elements</A |
| ></H1 |
| ><P |
| >The following V4L2 API elements are currently experimental |
| and may change in the future.</P |
| ><P |
| ></P |
| ><UL |
| ><LI |
| ><P |
| >Video Output Overlay (OSD) Interface, <A |
| HREF="x6909.htm" |
| >Section 4.4</A |
| >.</P |
| ></LI |
| ><LI |
| ><P |
| ><CODE |
| CLASS="CONSTANT" |
| >V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</CODE |
| >, |
| enum <A |
| HREF="x5953.htm#V4L2-BUF-TYPE" |
| >v4l2_buf_type</A |
| >, <A |
| HREF="x5953.htm#V4L2-BUF-TYPE" |
| >Table 3-2</A |
| >.</P |
| ></LI |
| ><LI |
| ><P |
| ><CODE |
| CLASS="CONSTANT" |
| >V4L2_CAP_VIDEO_OUTPUT_OVERLAY</CODE |
| >, |
| <A |
| HREF="r13105.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_QUERYCAP</CODE |
| ></A |
| > ioctl, <A |
| HREF="r13105.htm#DEVICE-CAPABILITIES" |
| >Table 2</A |
| >.</P |
| ></LI |
| ><LI |
| ><P |
| ><A |
| HREF="r8494.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_ENUM_FRAMESIZES</CODE |
| ></A |
| > and |
| <A |
| HREF="r8724.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_ENUM_FRAMEINTERVALS</CODE |
| ></A |
| > ioctls.</P |
| ></LI |
| ><LI |
| ><P |
| ><A |
| HREF="r10211.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_G_ENC_INDEX</CODE |
| ></A |
| > ioctl.</P |
| ></LI |
| ><LI |
| ><P |
| ><A |
| HREF="r8087.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_ENCODER_CMD</CODE |
| ></A |
| > and <A |
| HREF="r8087.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_TRY_ENCODER_CMD</CODE |
| ></A |
| > |
| ioctls.</P |
| ></LI |
| ><LI |
| ><P |
| ><A |
| HREF="r7900.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_DBG_G_REGISTER</CODE |
| ></A |
| > and <A |
| HREF="r7900.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_DBG_S_REGISTER</CODE |
| ></A |
| > |
| ioctls.</P |
| ></LI |
| ><LI |
| ><P |
| ><A |
| HREF="r9804.htm" |
| ><CODE |
| CLASS="CONSTANT" |
| >VIDIOC_G_CHIP_IDENT</CODE |
| ></A |
| > ioctl.</P |
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