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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-22 19:31:08 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-22 19:31:08 -0300
commit670027c507e99521d416994a18a498def9ef2ea3 (patch)
tree74b4d761a9e7904a4f8aa4b58b2dc9801f22284d /Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml
parentd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (diff)
Linux-libre 4.8.3-gnupck-4.8.3-gnu
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-<refentry id="packed-rgb">
- <refmeta>
- <refentrytitle>Packed RGB formats</refentrytitle>
- &manvol;
- </refmeta>
- <refnamediv>
- <refname>Packed RGB formats</refname>
- <refpurpose>Packed RGB formats</refpurpose>
- </refnamediv>
- <refsect1>
- <title>Description</title>
-
- <para>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.</para>
-
- <table pgwide="1" frame="none" id="rgb-formats">
- <title>Packed RGB Image Formats</title>
- <tgroup cols="37" align="center">
- <colspec colname="id" align="left" />
- <colspec colname="fourcc" />
- <colspec colname="bit" />
-
- <colspec colnum="4" colname="b07" align="center" />
- <colspec colnum="5" colname="b06" align="center" />
- <colspec colnum="6" colname="b05" align="center" />
- <colspec colnum="7" colname="b04" align="center" />
- <colspec colnum="8" colname="b03" align="center" />
- <colspec colnum="9" colname="b02" align="center" />
- <colspec colnum="10" colname="b01" align="center" />
- <colspec colnum="11" colname="b00" align="center" />
-
- <colspec colnum="13" colname="b17" align="center" />
- <colspec colnum="14" colname="b16" align="center" />
- <colspec colnum="15" colname="b15" align="center" />
- <colspec colnum="16" colname="b14" align="center" />
- <colspec colnum="17" colname="b13" align="center" />
- <colspec colnum="18" colname="b12" align="center" />
- <colspec colnum="19" colname="b11" align="center" />
- <colspec colnum="20" colname="b10" align="center" />
-
- <colspec colnum="22" colname="b27" align="center" />
- <colspec colnum="23" colname="b26" align="center" />
- <colspec colnum="24" colname="b25" align="center" />
- <colspec colnum="25" colname="b24" align="center" />
- <colspec colnum="26" colname="b23" align="center" />
- <colspec colnum="27" colname="b22" align="center" />
- <colspec colnum="28" colname="b21" align="center" />
- <colspec colnum="29" colname="b20" align="center" />
-
- <colspec colnum="31" colname="b37" align="center" />
- <colspec colnum="32" colname="b36" align="center" />
- <colspec colnum="33" colname="b35" align="center" />
- <colspec colnum="34" colname="b34" align="center" />
- <colspec colnum="35" colname="b33" align="center" />
- <colspec colnum="36" colname="b32" align="center" />
- <colspec colnum="37" colname="b31" align="center" />
- <colspec colnum="38" colname="b30" align="center" />
-
- <spanspec namest="b07" nameend="b00" spanname="b0" />
- <spanspec namest="b17" nameend="b10" spanname="b1" />
- <spanspec namest="b27" nameend="b20" spanname="b2" />
- <spanspec namest="b37" nameend="b30" spanname="b3" />
- <thead>
- <row>
- <entry>Identifier</entry>
- <entry>Code</entry>
- <entry>&nbsp;</entry>
- <entry spanname="b0">Byte&nbsp;0 in memory</entry>
- <entry spanname="b1">Byte&nbsp;1</entry>
- <entry spanname="b2">Byte&nbsp;2</entry>
- <entry spanname="b3">Byte&nbsp;3</entry>
- </row>
- <row>
- <entry>&nbsp;</entry>
- <entry>&nbsp;</entry>
- <entry>Bit</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- <entry>&nbsp;</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- <entry>&nbsp;</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- <entry>&nbsp;</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- </row>
- </thead>
- <tbody valign="top">
- <row id="V4L2-PIX-FMT-RGB332">
- <entry><constant>V4L2_PIX_FMT_RGB332</constant></entry>
- <entry>'RGB1'</entry>
- <entry></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-ARGB444">
- <entry><constant>V4L2_PIX_FMT_ARGB444</constant></entry>
- <entry>'AR12'</entry>
- <entry></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>a<subscript>3</subscript></entry>
- <entry>a<subscript>2</subscript></entry>
- <entry>a<subscript>1</subscript></entry>
- <entry>a<subscript>0</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-XRGB444">
- <entry><constant>V4L2_PIX_FMT_XRGB444</constant></entry>
- <entry>'XR12'</entry>
- <entry></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-ARGB555">
- <entry><constant>V4L2_PIX_FMT_ARGB555</constant></entry>
- <entry>'AR15'</entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>a</entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-XRGB555">
- <entry><constant>V4L2_PIX_FMT_XRGB555</constant></entry>
- <entry>'XR15'</entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>-</entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-RGB565">
- <entry><constant>V4L2_PIX_FMT_RGB565</constant></entry>
- <entry>'RGBP'</entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-ARGB555X">
- <entry><constant>V4L2_PIX_FMT_ARGB555X</constant></entry>
- <entry>'AR15' | (1 &lt;&lt; 31)</entry>
- <entry></entry>
- <entry>a</entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-XRGB555X">
- <entry><constant>V4L2_PIX_FMT_XRGB555X</constant></entry>
- <entry>'XR15' | (1 &lt;&lt; 31)</entry>
- <entry></entry>
- <entry>-</entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-RGB565X">
- <entry><constant>V4L2_PIX_FMT_RGB565X</constant></entry>
- <entry>'RGBR'</entry>
- <entry></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-BGR24">
- <entry><constant>V4L2_PIX_FMT_BGR24</constant></entry>
- <entry>'BGR3'</entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-RGB24">
- <entry><constant>V4L2_PIX_FMT_RGB24</constant></entry>
- <entry>'RGB3'</entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-BGR666">
- <entry><constant>V4L2_PIX_FMT_BGR666</constant></entry>
- <entry>'BGRH'</entry>
- <entry></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry></entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- </row>
- <row id="V4L2-PIX-FMT-ABGR32">
- <entry><constant>V4L2_PIX_FMT_ABGR32</constant></entry>
- <entry>'AR24'</entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>a<subscript>7</subscript></entry>
- <entry>a<subscript>6</subscript></entry>
- <entry>a<subscript>5</subscript></entry>
- <entry>a<subscript>4</subscript></entry>
- <entry>a<subscript>3</subscript></entry>
- <entry>a<subscript>2</subscript></entry>
- <entry>a<subscript>1</subscript></entry>
- <entry>a<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-XBGR32">
- <entry><constant>V4L2_PIX_FMT_XBGR32</constant></entry>
- <entry>'XR24'</entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- </row>
- <row id="V4L2-PIX-FMT-ARGB32">
- <entry><constant>V4L2_PIX_FMT_ARGB32</constant></entry>
- <entry>'BA24'</entry>
- <entry></entry>
- <entry>a<subscript>7</subscript></entry>
- <entry>a<subscript>6</subscript></entry>
- <entry>a<subscript>5</subscript></entry>
- <entry>a<subscript>4</subscript></entry>
- <entry>a<subscript>3</subscript></entry>
- <entry>a<subscript>2</subscript></entry>
- <entry>a<subscript>1</subscript></entry>
- <entry>a<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-XRGB32">
- <entry><constant>V4L2_PIX_FMT_XRGB32</constant></entry>
- <entry>'BX24'</entry>
- <entry></entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry>-</entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- </tbody>
- </tgroup>
- </table>
-
- <para>Bit 7 is the most significant bit.</para>
-
- <para>The usage and value of the alpha bits (a) in the ARGB and ABGR formats
- (collectively referred to as alpha formats) depend on the device type and
- hardware operation. <link linkend="capture">Capture</link> devices
- (including capture queues of mem-to-mem devices) fill the alpha component in
- memory. When the device outputs an alpha channel the alpha component will
- have a meaningful value. Otherwise, when the device doesn't output an alpha
- channel but can set the alpha bit to a user-configurable value, the <link
- linkend="v4l2-alpha-component"><constant>V4L2_CID_ALPHA_COMPONENT</constant>
- </link> control is used to specify that alpha value, and the alpha component
- of all pixels will be set to the value specified by that control. Otherwise
- a corresponding format without an alpha component (XRGB or XBGR) must be
- used instead of an alpha format.</para>
-
- <para><link linkend="output">Output</link> devices (including output queues
- of mem-to-mem devices and <link linkend="osd">video output overlay</link>
- devices) read the alpha component from memory. When the device processes the
- alpha channel the alpha component must be filled with meaningful values by
- applications. Otherwise a corresponding format without an alpha component
- (XRGB or XBGR) must be used instead of an alpha format.</para>
-
- <para>The XRGB and XBGR formats contain undefined bits (-). Applications,
- devices and drivers must ignore those bits, for both <link
- linkend="capture">capture</link> and <link linkend="output">output</link>
- devices.</para>
-
- <example>
- <title><constant>V4L2_PIX_FMT_BGR24</constant> 4 &times; 4 pixel
-image</title>
-
- <formalpara>
- <title>Byte Order.</title>
- <para>Each cell is one byte.
- <informaltable frame="none">
- <tgroup cols="13" align="center">
- <colspec align="left" colwidth="2*" />
- <tbody valign="top">
- <row>
- <entry>start&nbsp;+&nbsp;0:</entry>
- <entry>B<subscript>00</subscript></entry>
- <entry>G<subscript>00</subscript></entry>
- <entry>R<subscript>00</subscript></entry>
- <entry>B<subscript>01</subscript></entry>
- <entry>G<subscript>01</subscript></entry>
- <entry>R<subscript>01</subscript></entry>
- <entry>B<subscript>02</subscript></entry>
- <entry>G<subscript>02</subscript></entry>
- <entry>R<subscript>02</subscript></entry>
- <entry>B<subscript>03</subscript></entry>
- <entry>G<subscript>03</subscript></entry>
- <entry>R<subscript>03</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;12:</entry>
- <entry>B<subscript>10</subscript></entry>
- <entry>G<subscript>10</subscript></entry>
- <entry>R<subscript>10</subscript></entry>
- <entry>B<subscript>11</subscript></entry>
- <entry>G<subscript>11</subscript></entry>
- <entry>R<subscript>11</subscript></entry>
- <entry>B<subscript>12</subscript></entry>
- <entry>G<subscript>12</subscript></entry>
- <entry>R<subscript>12</subscript></entry>
- <entry>B<subscript>13</subscript></entry>
- <entry>G<subscript>13</subscript></entry>
- <entry>R<subscript>13</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;24:</entry>
- <entry>B<subscript>20</subscript></entry>
- <entry>G<subscript>20</subscript></entry>
- <entry>R<subscript>20</subscript></entry>
- <entry>B<subscript>21</subscript></entry>
- <entry>G<subscript>21</subscript></entry>
- <entry>R<subscript>21</subscript></entry>
- <entry>B<subscript>22</subscript></entry>
- <entry>G<subscript>22</subscript></entry>
- <entry>R<subscript>22</subscript></entry>
- <entry>B<subscript>23</subscript></entry>
- <entry>G<subscript>23</subscript></entry>
- <entry>R<subscript>23</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;36:</entry>
- <entry>B<subscript>30</subscript></entry>
- <entry>G<subscript>30</subscript></entry>
- <entry>R<subscript>30</subscript></entry>
- <entry>B<subscript>31</subscript></entry>
- <entry>G<subscript>31</subscript></entry>
- <entry>R<subscript>31</subscript></entry>
- <entry>B<subscript>32</subscript></entry>
- <entry>G<subscript>32</subscript></entry>
- <entry>R<subscript>32</subscript></entry>
- <entry>B<subscript>33</subscript></entry>
- <entry>G<subscript>33</subscript></entry>
- <entry>R<subscript>33</subscript></entry>
- </row>
- </tbody>
- </tgroup>
- </informaltable>
- </para>
- </formalpara>
- </example>
-
- <para>Formats defined in <xref linkend="rgb-formats-deprecated"/> are
- deprecated and must not be used by new drivers. They are documented here for
- reference. The meaning of their alpha bits (a) is ill-defined and
- interpreted as in either the corresponding ARGB or XRGB format, depending on
- the driver.</para>
-
- <table pgwide="1" frame="none" id="rgb-formats-deprecated">
- <title>Deprecated Packed RGB Image Formats</title>
- <tgroup cols="37" align="center">
- <colspec colname="id" align="left" />
- <colspec colname="fourcc" />
- <colspec colname="bit" />
-
- <colspec colnum="4" colname="b07" align="center" />
- <colspec colnum="5" colname="b06" align="center" />
- <colspec colnum="6" colname="b05" align="center" />
- <colspec colnum="7" colname="b04" align="center" />
- <colspec colnum="8" colname="b03" align="center" />
- <colspec colnum="9" colname="b02" align="center" />
- <colspec colnum="10" colname="b01" align="center" />
- <colspec colnum="11" colname="b00" align="center" />
-
- <colspec colnum="13" colname="b17" align="center" />
- <colspec colnum="14" colname="b16" align="center" />
- <colspec colnum="15" colname="b15" align="center" />
- <colspec colnum="16" colname="b14" align="center" />
- <colspec colnum="17" colname="b13" align="center" />
- <colspec colnum="18" colname="b12" align="center" />
- <colspec colnum="19" colname="b11" align="center" />
- <colspec colnum="20" colname="b10" align="center" />
-
- <colspec colnum="22" colname="b27" align="center" />
- <colspec colnum="23" colname="b26" align="center" />
- <colspec colnum="24" colname="b25" align="center" />
- <colspec colnum="25" colname="b24" align="center" />
- <colspec colnum="26" colname="b23" align="center" />
- <colspec colnum="27" colname="b22" align="center" />
- <colspec colnum="28" colname="b21" align="center" />
- <colspec colnum="29" colname="b20" align="center" />
-
- <colspec colnum="31" colname="b37" align="center" />
- <colspec colnum="32" colname="b36" align="center" />
- <colspec colnum="33" colname="b35" align="center" />
- <colspec colnum="34" colname="b34" align="center" />
- <colspec colnum="35" colname="b33" align="center" />
- <colspec colnum="36" colname="b32" align="center" />
- <colspec colnum="37" colname="b31" align="center" />
- <colspec colnum="38" colname="b30" align="center" />
-
- <spanspec namest="b07" nameend="b00" spanname="b0" />
- <spanspec namest="b17" nameend="b10" spanname="b1" />
- <spanspec namest="b27" nameend="b20" spanname="b2" />
- <spanspec namest="b37" nameend="b30" spanname="b3" />
- <thead>
- <row>
- <entry>Identifier</entry>
- <entry>Code</entry>
- <entry>&nbsp;</entry>
- <entry spanname="b0">Byte&nbsp;0 in memory</entry>
- <entry spanname="b1">Byte&nbsp;1</entry>
- <entry spanname="b2">Byte&nbsp;2</entry>
- <entry spanname="b3">Byte&nbsp;3</entry>
- </row>
- <row>
- <entry>&nbsp;</entry>
- <entry>&nbsp;</entry>
- <entry>Bit</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- <entry>&nbsp;</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- <entry>&nbsp;</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- <entry>&nbsp;</entry>
- <entry>7</entry>
- <entry>6</entry>
- <entry>5</entry>
- <entry>4</entry>
- <entry>3</entry>
- <entry>2</entry>
- <entry>1</entry>
- <entry>0</entry>
- </row>
- </thead>
- <tbody>
- <row id="V4L2-PIX-FMT-RGB444">
- <entry><constant>V4L2_PIX_FMT_RGB444</constant></entry>
- <entry>'R444'</entry>
- <entry></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>a<subscript>3</subscript></entry>
- <entry>a<subscript>2</subscript></entry>
- <entry>a<subscript>1</subscript></entry>
- <entry>a<subscript>0</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-RGB555">
- <entry><constant>V4L2_PIX_FMT_RGB555</constant></entry>
- <entry>'RGBO'</entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>a</entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-RGB555X">
- <entry><constant>V4L2_PIX_FMT_RGB555X</constant></entry>
- <entry>'RGBQ'</entry>
- <entry></entry>
- <entry>a</entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-BGR32">
- <entry><constant>V4L2_PIX_FMT_BGR32</constant></entry>
- <entry>'BGR4'</entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>a<subscript>7</subscript></entry>
- <entry>a<subscript>6</subscript></entry>
- <entry>a<subscript>5</subscript></entry>
- <entry>a<subscript>4</subscript></entry>
- <entry>a<subscript>3</subscript></entry>
- <entry>a<subscript>2</subscript></entry>
- <entry>a<subscript>1</subscript></entry>
- <entry>a<subscript>0</subscript></entry>
- </row>
- <row id="V4L2-PIX-FMT-RGB32">
- <entry><constant>V4L2_PIX_FMT_RGB32</constant></entry>
- <entry>'RGB4'</entry>
- <entry></entry>
- <entry>a<subscript>7</subscript></entry>
- <entry>a<subscript>6</subscript></entry>
- <entry>a<subscript>5</subscript></entry>
- <entry>a<subscript>4</subscript></entry>
- <entry>a<subscript>3</subscript></entry>
- <entry>a<subscript>2</subscript></entry>
- <entry>a<subscript>1</subscript></entry>
- <entry>a<subscript>0</subscript></entry>
- <entry></entry>
- <entry>r<subscript>7</subscript></entry>
- <entry>r<subscript>6</subscript></entry>
- <entry>r<subscript>5</subscript></entry>
- <entry>r<subscript>4</subscript></entry>
- <entry>r<subscript>3</subscript></entry>
- <entry>r<subscript>2</subscript></entry>
- <entry>r<subscript>1</subscript></entry>
- <entry>r<subscript>0</subscript></entry>
- <entry></entry>
- <entry>g<subscript>7</subscript></entry>
- <entry>g<subscript>6</subscript></entry>
- <entry>g<subscript>5</subscript></entry>
- <entry>g<subscript>4</subscript></entry>
- <entry>g<subscript>3</subscript></entry>
- <entry>g<subscript>2</subscript></entry>
- <entry>g<subscript>1</subscript></entry>
- <entry>g<subscript>0</subscript></entry>
- <entry></entry>
- <entry>b<subscript>7</subscript></entry>
- <entry>b<subscript>6</subscript></entry>
- <entry>b<subscript>5</subscript></entry>
- <entry>b<subscript>4</subscript></entry>
- <entry>b<subscript>3</subscript></entry>
- <entry>b<subscript>2</subscript></entry>
- <entry>b<subscript>1</subscript></entry>
- <entry>b<subscript>0</subscript></entry>
- </row>
- </tbody>
- </tgroup>
- </table>
-
- <para>A test utility to determine which RGB formats a driver
-actually supports is available from the LinuxTV v4l-dvb repository.
-See &v4l-dvb; for access instructions.</para>
-
- </refsect1>
- </refentry>