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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>Packed RGB formats</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="LINUX MEDIA INFRASTRUCTURE API" /><link rel="up" href="ch02s04.html" title="RGB Formats" /><link rel="prev" href="ch02s04.html" title="RGB Formats" /><link rel="next" href="re02.html" title="V4L2_PIX_FMT_SBGGR8 ('BA81')" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Packed RGB formats</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch02s04.html">Prev</a> </td><th width="60%" align="center">RGB Formats</th><td width="20%" align="right"> <a accesskey="n" href="re02.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="Packed RGB formats"><a id="packed-rgb"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>Packed RGB formats — Packed RGB formats</p></div><div class="refsect1" title="Description"><a id="id2603310"></a><h2>Description</h2><p>These formats are designed to match the pixel formats of
typical PC graphics frame buffers. They occupy 8, 16, 24 or 32 bits
per pixel. These are all packed-pixel formats, meaning all the data
for a pixel lie next to each other in memory.</p><p>When one of these formats is used, drivers shall report the
colorspace <code class="constant">V4L2_COLORSPACE_SRGB</code>.</p><div class="table"><a id="rgb-formats"></a><p class="title"><b>Table 2.4. Packed RGB Image Formats</b></p><div class="table-contents"><table summary="Packed RGB Image Formats" width="100%" border="0"><colgroup><col align="left" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /></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 id="V4L2-PIX-FMT-RGB332"></a><code class="constant">V4L2_PIX_FMT_RGB332</code></td><td align="center" valign="top">'RGB1'</td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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><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 id="V4L2-PIX-FMT-RGB444"></a><code class="constant">V4L2_PIX_FMT_RGB444</code></td><td align="center" valign="top">'R444'</td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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 id="V4L2-PIX-FMT-RGB555"></a><code class="constant">V4L2_PIX_FMT_RGB555</code></td><td align="center" valign="top">'RGBO'</td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">a</td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<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 id="V4L2-PIX-FMT-RGB565"></a><code class="constant">V4L2_PIX_FMT_RGB565</code></td><td align="center" valign="top">'RGBP'</td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<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 id="V4L2-PIX-FMT-RGB555X"></a><code class="constant">V4L2_PIX_FMT_RGB555X</code></td><td align="center" valign="top">'RGBQ'</td><td align="center" valign="top"> </td><td align="center" valign="top">a</td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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 id="V4L2-PIX-FMT-RGB565X"></a><code class="constant">V4L2_PIX_FMT_RGB565X</code></td><td align="center" valign="top">'RGBR'</td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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 id="V4L2-PIX-FMT-BGR24"></a><code class="constant">V4L2_PIX_FMT_BGR24</code></td><td align="center" valign="top">'BGR3'</td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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></tr><tr><td align="left" valign="top"><a id="V4L2-PIX-FMT-RGB24"></a><code class="constant">V4L2_PIX_FMT_RGB24</code></td><td align="center" valign="top">'RGB3'</td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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></tr><tr><td align="left" valign="top"><a id="V4L2-PIX-FMT-BGR32"></a><code class="constant">V4L2_PIX_FMT_BGR32</code></td><td align="center" valign="top">'BGR4'</td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></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></tr><tr><td align="left" valign="top"><a id="V4L2-PIX-FMT-RGB32"></a><code class="constant">V4L2_PIX_FMT_RGB32</code></td><td align="center" valign="top">'RGB4'</td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></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></tr></tbody></table></div></div><br class="table-break" /><p>Bit 7 is the most significant bit. The value of a = alpha
bits is undefined when reading from the driver, ignored when writing
to the driver, except when alpha blending has been negotiated for a
<a class="link" href="ch04s02.html" title="Video Overlay Interface">Video Overlay</a> or <a class="link" href="ch04s04.html" title="Video Output Overlay Interface">Video Output Overlay</a>.</p><div class="example"><a id="id2605752"></a><p class="title"><b>Example 2.2. <code class="constant">V4L2_PIX_FMT_BGR24</code> 4 × 4 pixel
image</b></p><div class="example-contents"><p title="Byte Order."><b>Byte Order. </b>Each cell is one byte.
</p><div class="informaltable"><table border="0"><colgroup><col align="left" /><col /><col /><col /><col /><col /><col /><col /><col /><col /><col /><col /><col /></colgroup><tbody valign="top"><tr><td align="left" valign="top">start + 0:</td><td align="center" valign="top">B<sub>00</sub></td><td align="center" valign="top">G<sub>00</sub></td><td align="center" valign="top">R<sub>00</sub></td><td align="center" valign="top">B<sub>01</sub></td><td align="center" valign="top">G<sub>01</sub></td><td align="center" valign="top">R<sub>01</sub></td><td align="center" valign="top">B<sub>02</sub></td><td align="center" valign="top">G<sub>02</sub></td><td align="center" valign="top">R<sub>02</sub></td><td align="center" valign="top">B<sub>03</sub></td><td align="center" valign="top">G<sub>03</sub></td><td align="center" valign="top">R<sub>03</sub></td></tr><tr><td align="left" valign="top">start + 12:</td><td align="center" valign="top">B<sub>10</sub></td><td align="center" valign="top">G<sub>10</sub></td><td align="center" valign="top">R<sub>10</sub></td><td align="center" valign="top">B<sub>11</sub></td><td align="center" valign="top">G<sub>11</sub></td><td align="center" valign="top">R<sub>11</sub></td><td align="center" valign="top">B<sub>12</sub></td><td align="center" valign="top">G<sub>12</sub></td><td align="center" valign="top">R<sub>12</sub></td><td align="center" valign="top">B<sub>13</sub></td><td align="center" valign="top">G<sub>13</sub></td><td align="center" valign="top">R<sub>13</sub></td></tr><tr><td align="left" valign="top">start + 24:</td><td align="center" valign="top">B<sub>20</sub></td><td align="center" valign="top">G<sub>20</sub></td><td align="center" valign="top">R<sub>20</sub></td><td align="center" valign="top">B<sub>21</sub></td><td align="center" valign="top">G<sub>21</sub></td><td align="center" valign="top">R<sub>21</sub></td><td align="center" valign="top">B<sub>22</sub></td><td align="center" valign="top">G<sub>22</sub></td><td align="center" valign="top">R<sub>22</sub></td><td align="center" valign="top">B<sub>23</sub></td><td align="center" valign="top">G<sub>23</sub></td><td align="center" valign="top">R<sub>23</sub></td></tr><tr><td align="left" valign="top">start + 36:</td><td align="center" valign="top">B<sub>30</sub></td><td align="center" valign="top">G<sub>30</sub></td><td align="center" valign="top">R<sub>30</sub></td><td align="center" valign="top">B<sub>31</sub></td><td align="center" valign="top">G<sub>31</sub></td><td align="center" valign="top">R<sub>31</sub></td><td align="center" valign="top">B<sub>32</sub></td><td align="center" valign="top">G<sub>32</sub></td><td align="center" valign="top">R<sub>32</sub></td><td align="center" valign="top">B<sub>33</sub></td><td align="center" valign="top">G<sub>33</sub></td><td align="center" valign="top">R<sub>33</sub></td></tr></tbody></table></div><p title="Byte Order.">
</p></div></div><br class="example-break" /><div class="important" title="Important" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Important</h3><p>Drivers may interpret these formats differently.</p></div><p>Some RGB formats above are uncommon and were probably
defined in error. Drivers may interpret them as in <a class="xref" href="re01.html#rgb-formats-corrected" title="Table 2.5. Packed RGB Image Formats (corrected)">Table 2.5, “Packed RGB Image Formats (corrected)”</a>.</p><div class="table"><a id="rgb-formats-corrected"></a><p class="title"><b>Table 2.5. Packed RGB Image Formats (corrected)</b></p><div class="table-contents"><table summary="Packed RGB Image Formats (corrected)" width="100%" border="0"><colgroup><col align="left" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /></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"><code class="constant">V4L2_PIX_FMT_RGB332</code></td><td align="center" valign="top">'RGB1'</td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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><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"><code class="constant">V4L2_PIX_FMT_RGB444</code></td><td align="center" valign="top">'R444'</td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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"><code class="constant">V4L2_PIX_FMT_RGB555</code></td><td align="center" valign="top">'RGBO'</td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">a</td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<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"><code class="constant">V4L2_PIX_FMT_RGB565</code></td><td align="center" valign="top">'RGBP'</td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<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"><code class="constant">V4L2_PIX_FMT_RGB555X</code></td><td align="center" valign="top">'RGBQ'</td><td align="center" valign="top"> </td><td align="center" valign="top">a</td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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"><code class="constant">V4L2_PIX_FMT_RGB565X</code></td><td align="center" valign="top">'RGBR'</td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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"><code class="constant">V4L2_PIX_FMT_BGR24</code></td><td align="center" valign="top">'BGR3'</td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<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></tr><tr><td align="left" valign="top"><code class="constant">V4L2_PIX_FMT_RGB24</code></td><td align="center" valign="top">'RGB3'</td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<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></tr><tr><td align="left" valign="top"><code class="constant">V4L2_PIX_FMT_BGR32</code></td><td align="center" valign="top">'BGR4'</td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></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></tr><tr><td align="left" valign="top"><code class="constant">V4L2_PIX_FMT_RGB32</code></td><td align="center" valign="top">'RGB4'</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">r<sub>7</sub></td><td align="center" valign="top">r<sub>6</sub></td><td align="center" valign="top">r<sub>5</sub></td><td align="center" valign="top">r<sub>4</sub></td><td align="center" valign="top">r<sub>3</sub></td><td align="center" valign="top">r<sub>2</sub></td><td align="center" valign="top">r<sub>1</sub></td><td align="center" valign="top">r<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">g<sub>7</sub></td><td align="center" valign="top">g<sub>6</sub></td><td align="center" valign="top">g<sub>5</sub></td><td align="center" valign="top">g<sub>4</sub></td><td align="center" valign="top">g<sub>3</sub></td><td align="center" valign="top">g<sub>2</sub></td><td align="center" valign="top">g<sub>1</sub></td><td align="center" valign="top">g<sub>0</sub></td><td align="center" valign="top"> </td><td align="center" valign="top">b<sub>7</sub></td><td align="center" valign="top">b<sub>6</sub></td><td align="center" valign="top">b<sub>5</sub></td><td align="center" valign="top">b<sub>4</sub></td><td align="center" valign="top">b<sub>3</sub></td><td align="center" valign="top">b<sub>2</sub></td><td align="center" valign="top">b<sub>1</sub></td><td align="center" valign="top">b<sub>0</sub></td></tr></tbody></table></div></div><br class="table-break" /><p>A test utility to determine which RGB formats a driver
actually supports is available from the LinuxTV v4l-dvb repository.
See <a class="ulink" href="http://linuxtv.org/repo/" target="_top">http://linuxtv.org/repo/</a> for access instructions.</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch02s04.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02s04.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re02.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">RGB 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_SBGGR8 ('BA81')</td></tr></table></div></body></html>
