3 <refentrytitle>V4L2_PIX_FMT_YUV444M ('YM24'), V4L2_PIX_FMT_YVU444M ('YM42')</refentrytitle>
7 <refname id="V4L2-PIX-FMT-YUV444M"><constant>V4L2_PIX_FMT_YUV444M</constant></refname>
8 <refname id="V4L2-PIX-FMT-YVU444M"><constant>V4L2_PIX_FMT_YVU444M</constant></refname>
9 <refpurpose>Planar formats with full horizontal resolution, also
10 known as YUV and YVU 4:4:4</refpurpose>
14 <title>Description</title>
16 <para>This is a multi-planar format, as opposed to a packed format.
17 The three components are separated into three sub-images or planes.</para>
19 <para>The Y plane is first. The Y plane has one byte per pixel.
20 For <constant>V4L2_PIX_FMT_YUV444M</constant> the Cb data
21 constitutes the second plane which is the same width and height as the Y plane
22 (and as the image). The Cr data, just like the Cb plane, is in the third plane.
25 <para><constant>V4L2_PIX_FMT_YVU444M</constant> is the same except
26 the Cr data is stored in the second plane and the Cb data in the third plane.
28 <para>If the Y plane has pad bytes after each row, then the Cb
29 and Cr planes have the same number of pad bytes after their rows.</para>
31 <para><constant>V4L2_PIX_FMT_YUV444M</constant> and
32 <constant>V4L2_PIX_FMT_YUV444M</constant> are intended to be
33 used only in drivers and applications that support the multi-planar API,
34 described in <xref linkend="planar-apis"/>. </para>
37 <title><constant>V4L2_PIX_FMT_YUV444M</constant> 4 × 4
41 <title>Byte Order.</title>
42 <para>Each cell is one byte.
43 <informaltable frame="none">
44 <tgroup cols="5" align="center">
45 <colspec align="left" colwidth="2*" />
48 <entry>start0 + 0:</entry>
49 <entry>Y'<subscript>00</subscript></entry>
50 <entry>Y'<subscript>01</subscript></entry>
51 <entry>Y'<subscript>02</subscript></entry>
52 <entry>Y'<subscript>03</subscript></entry>
55 <entry>start0 + 4:</entry>
56 <entry>Y'<subscript>10</subscript></entry>
57 <entry>Y'<subscript>11</subscript></entry>
58 <entry>Y'<subscript>12</subscript></entry>
59 <entry>Y'<subscript>13</subscript></entry>
62 <entry>start0 + 8:</entry>
63 <entry>Y'<subscript>20</subscript></entry>
64 <entry>Y'<subscript>21</subscript></entry>
65 <entry>Y'<subscript>22</subscript></entry>
66 <entry>Y'<subscript>23</subscript></entry>
69 <entry>start0 + 12:</entry>
70 <entry>Y'<subscript>30</subscript></entry>
71 <entry>Y'<subscript>31</subscript></entry>
72 <entry>Y'<subscript>32</subscript></entry>
73 <entry>Y'<subscript>33</subscript></entry>
75 <row><entry></entry></row>
77 <entry>start1 + 0:</entry>
78 <entry>Cb<subscript>00</subscript></entry>
79 <entry>Cb<subscript>01</subscript></entry>
80 <entry>Cb<subscript>02</subscript></entry>
81 <entry>Cb<subscript>03</subscript></entry>
84 <entry>start1 + 4:</entry>
85 <entry>Cb<subscript>10</subscript></entry>
86 <entry>Cb<subscript>11</subscript></entry>
87 <entry>Cb<subscript>12</subscript></entry>
88 <entry>Cb<subscript>13</subscript></entry>
91 <entry>start1 + 8:</entry>
92 <entry>Cb<subscript>20</subscript></entry>
93 <entry>Cb<subscript>21</subscript></entry>
94 <entry>Cb<subscript>22</subscript></entry>
95 <entry>Cb<subscript>23</subscript></entry>
98 <entry>start1 + 12:</entry>
99 <entry>Cb<subscript>20</subscript></entry>
100 <entry>Cb<subscript>21</subscript></entry>
101 <entry>Cb<subscript>32</subscript></entry>
102 <entry>Cb<subscript>33</subscript></entry>
104 <row><entry></entry></row>
106 <entry>start2 + 0:</entry>
107 <entry>Cr<subscript>00</subscript></entry>
108 <entry>Cr<subscript>01</subscript></entry>
109 <entry>Cr<subscript>02</subscript></entry>
110 <entry>Cr<subscript>03</subscript></entry>
113 <entry>start2 + 4:</entry>
114 <entry>Cr<subscript>10</subscript></entry>
115 <entry>Cr<subscript>11</subscript></entry>
116 <entry>Cr<subscript>12</subscript></entry>
117 <entry>Cr<subscript>13</subscript></entry>
120 <entry>start2 + 8:</entry>
121 <entry>Cr<subscript>20</subscript></entry>
122 <entry>Cr<subscript>21</subscript></entry>
123 <entry>Cr<subscript>22</subscript></entry>
124 <entry>Cr<subscript>23</subscript></entry>
127 <entry>start2 + 12:</entry>
128 <entry>Cr<subscript>30</subscript></entry>
129 <entry>Cr<subscript>31</subscript></entry>
130 <entry>Cr<subscript>32</subscript></entry>
131 <entry>Cr<subscript>33</subscript></entry>
140 <title>Color Sample Location.</title>
142 <informaltable frame="none">
143 <tgroup cols="7" align="center">
147 <entry>0</entry><entry></entry><entry>1</entry><entry></entry>
148 <entry>2</entry><entry></entry><entry>3</entry>
152 <entry>YC</entry><entry></entry><entry>YC</entry><entry></entry>
153 <entry>YC</entry><entry></entry><entry>YC</entry>
157 <entry>YC</entry><entry></entry><entry>YC</entry><entry></entry>
158 <entry>YC</entry><entry></entry><entry>YC</entry>
162 <entry>YC</entry><entry></entry><entry>YC</entry><entry></entry>
163 <entry>YC</entry><entry></entry><entry>YC</entry>
167 <entry>YC</entry><entry></entry><entry>YC</entry><entry></entry>
168 <entry>YC</entry><entry></entry><entry>YC</entry>