1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Packed YUV formats</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="LINUX MEDIA INFRASTRUCTURE API"><link rel="up" href="yuv-formats.html" title="YUV Formats"><link rel="prev" href="yuv-formats.html" title="YUV Formats"><link rel="next" href="V4L2-PIX-FMT-GREY.html" title="V4L2_PIX_FMT_GREY ('GREY')"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Packed YUV formats</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="yuv-formats.html">Prev</a> </td><th width="60%" align="center">YUV Formats</th><td width="20%" align="right"> <a accesskey="n" href="V4L2-PIX-FMT-GREY.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="packed-yuv"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>Packed YUV formats — Packed YUV formats</p></div><div class="refsect1"><a name="idp1101488260"></a><h2>Description</h2><p>Similar to the packed RGB formats these formats store 2the Y, Cb and Cr component of each pixel in one 16 or 32 bit 3word.</p><div class="table"><a name="idp1101488916"></a><p class="title"><b>Table 2.18. Packed YUV Image Formats</b></p><div class="table-contents"><table summary="Packed YUV Image Formats" width="100%" border="0"><colgroup><col align="left" class="id"><col align="center" class="fourcc"><col align="center" class="bit"><col align="center" class="b07"><col align="center" class="b06"><col align="center" class="b05"><col align="center" class="b04"><col align="center" class="b03"><col align="center" class="b02"><col align="center" class="b01"><col align="center" class="b00"><col><col align="center" class="b17"><col align="center" class="b16"><col align="center" class="b15"><col align="center" class="b14"><col align="center" class="b13"><col align="center" class="b12"><col align="center" class="b11"><col align="center" class="b10"><col><col align="center" class="b27"><col align="center" class="b26"><col align="center" class="b25"><col align="center" class="b24"><col align="center" class="b23"><col align="center" class="b22"><col align="center" class="b21"><col align="center" class="b20"><col><col align="center" class="b37"><col align="center" class="b36"><col align="center" class="b35"><col align="center" class="b34"><col align="center" class="b33"><col align="center" class="b32"><col align="center" class="b31"></colgroup><thead><tr><th align="left">Identifier</th><th align="center">Code</th><th align="center"> </th><th colspan="8" align="center">Byte 0 in memory</th><td class="auto-generated"> </td><th colspan="8" align="center">Byte 1</th><td class="auto-generated"> </td><th colspan="8" align="center">Byte 2</th><td class="auto-generated"> </td><th colspan="8" align="center">Byte 3</th></tr><tr><th align="left"> </th><th align="center"> </th><th align="center">Bit</th><th align="center">7</th><th align="center">6</th><th align="center">5</th><th align="center">4</th><th align="center">3</th><th align="center">2</th><th align="center">1</th><th align="center">0</th><th align="center"> </th><th align="center">7</th><th align="center">6</th><th align="center">5</th><th align="center">4</th><th align="center">3</th><th align="center">2</th><th align="center">1</th><th align="center">0</th><th align="center"> </th><th align="center">7</th><th align="center">6</th><th align="center">5</th><th align="center">4</th><th align="center">3</th><th align="center">2</th><th align="center">1</th><th align="center">0</th><th align="center"> </th><th align="center">7</th><th align="center">6</th><th align="center">5</th><th align="center">4</th><th align="center">3</th><th align="center">2</th><th align="center">1</th><th align="center">0</th></tr></thead><tbody valign="top"><tr><td align="left" valign="top"><a name="V4L2-PIX-FMT-YUV444"></a><code class="constant">V4L2_PIX_FMT_YUV444</code></td><td align="center" valign="top">'Y444'</td><td align="center" valign="top"> </td><td align="center" valign="top">Cb<sub>3</sub></td><td align="center" valign="top">Cb<sub>2</sub></td><td align="center" valign="top">Cb<sub>1</sub></td><td align="center" valign="top">Cb<sub>0</sub></td><td align="center" valign="top">Cr<sub>3</sub></td><td align="center" valign="top">Cr<sub>2</sub></td><td align="center" valign="top">Cr<sub>1</sub></td><td align="center" valign="top">Cr<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">a<sub>3</sub></td><td align="center" valign="top">a<sub>2</sub></td><td align="center" valign="top">a<sub>1</sub></td><td align="center" valign="top">a<sub>0</sub></td><td align="center" valign="top">Y'<sub>3</sub></td><td align="center" valign="top">Y'<sub>2</sub></td><td align="center" valign="top">Y'<sub>1</sub></td><td align="center" valign="top">Y'<sub>0</sub></td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td></tr><tr><td align="left" valign="top"><a name="V4L2-PIX-FMT-YUV555"></a><code class="constant">V4L2_PIX_FMT_YUV555</code></td><td align="center" valign="top">'YUVO'</td><td align="center" valign="top"> </td><td align="center" valign="top">Cb<sub>2</sub></td><td align="center" valign="top">Cb<sub>1</sub></td><td align="center" valign="top">Cb<sub>0</sub></td><td align="center" valign="top">Cr<sub>4</sub></td><td align="center" valign="top">Cr<sub>3</sub></td><td align="center" valign="top">Cr<sub>2</sub></td><td align="center" valign="top">Cr<sub>1</sub></td><td align="center" valign="top">Cr<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">a</td><td align="center" valign="top">Y'<sub>4</sub></td><td align="center" valign="top">Y'<sub>3</sub></td><td align="center" valign="top">Y'<sub>2</sub></td><td align="center" valign="top">Y'<sub>1</sub></td><td align="center" valign="top">Y'<sub>0</sub></td><td align="center" valign="top">Cb<sub>4</sub></td><td align="center" valign="top">Cb<sub>3</sub></td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td></tr><tr><td align="left" valign="top"><a name="V4L2-PIX-FMT-YUV565"></a><code class="constant">V4L2_PIX_FMT_YUV565</code></td><td align="center" valign="top">'YUVP'</td><td align="center" valign="top"> </td><td align="center" valign="top">Cb<sub>2</sub></td><td align="center" valign="top">Cb<sub>1</sub></td><td align="center" valign="top">Cb<sub>0</sub></td><td align="center" valign="top">Cr<sub>4</sub></td><td align="center" valign="top">Cr<sub>3</sub></td><td align="center" valign="top">Cr<sub>2</sub></td><td align="center" valign="top">Cr<sub>1</sub></td><td align="center" valign="top">Cr<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">Y'<sub>4</sub></td><td align="center" valign="top">Y'<sub>3</sub></td><td align="center" valign="top">Y'<sub>2</sub></td><td align="center" valign="top">Y'<sub>1</sub></td><td align="center" valign="top">Y'<sub>0</sub></td><td align="center" valign="top">Cb<sub>5</sub></td><td align="center" valign="top">Cb<sub>4</sub></td><td align="center" valign="top">Cb<sub>3</sub></td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td><td class="auto-generated"> </td></tr><tr><td align="left" valign="top"><a name="V4L2-PIX-FMT-YUV32"></a><code class="constant">V4L2_PIX_FMT_YUV32</code></td><td align="center" valign="top">'YUV4'</td><td align="center" valign="top"> </td><td align="center" valign="top">a<sub>7</sub></td><td align="center" valign="top">a<sub>6</sub></td><td align="center" valign="top">a<sub>5</sub></td><td align="center" valign="top">a<sub>4</sub></td><td align="center" valign="top">a<sub>3</sub></td><td align="center" valign="top">a<sub>2</sub></td><td align="center" valign="top">a<sub>1</sub></td><td align="center" valign="top">a<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">Y'<sub>7</sub></td><td align="center" valign="top">Y'<sub>6</sub></td><td align="center" valign="top">Y'<sub>5</sub></td><td align="center" valign="top">Y'<sub>4</sub></td><td align="center" valign="top">Y'<sub>3</sub></td><td align="center" valign="top">Y'<sub>2</sub></td><td align="center" valign="top">Y'<sub>1</sub></td><td align="center" valign="top">Y'<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">Cb<sub>7</sub></td><td align="center" valign="top">Cb<sub>6</sub></td><td align="center" valign="top">Cb<sub>5</sub></td><td align="center" valign="top">Cb<sub>4</sub></td><td align="center" valign="top">Cb<sub>3</sub></td><td align="center" valign="top">Cb<sub>2</sub></td><td align="center" valign="top">Cb<sub>1</sub></td><td align="center" valign="top">Cb<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">Cr<sub>7</sub></td><td align="center" valign="top">Cr<sub>6</sub></td><td align="center" valign="top">Cr<sub>5</sub></td><td align="center" valign="top">Cr<sub>4</sub></td><td align="center" valign="top">Cr<sub>3</sub></td><td align="center" valign="top">Cr<sub>2</sub></td><td align="center" valign="top">Cr<sub>1</sub></td><td align="center" valign="top">Cr<sub>0</sub></td></tr></tbody></table></div></div><br class="table-break"><p>Bit 7 is the most significant bit. The value of a = alpha 4bits is undefined when reading from the driver, ignored when writing 5to the driver, except when alpha blending has been negotiated for a 6<a class="link" href="overlay.html" title="Video Overlay Interface">Video Overlay</a> or <a class="link" href="osd.html" title="Video Output Overlay Interface">Video Output Overlay</a>.</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="yuv-formats.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="yuv-formats.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="V4L2-PIX-FMT-GREY.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">YUV Formats </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> V4L2_PIX_FMT_GREY ('GREY')</td></tr></table></div></body></html> 7