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avutil/pixfmt: fix AV_PIX_FMT_RGB8 description

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Previously AV_PIX_FMT_RGB8 was documented as "RGB 3:3:2,
(msb)2R 3G 3B(lsb)".  While the RGB 3:3:2 part is correct, the latter
part should be: (msb)3R 3G 2B(lsb).  This commit also updates the
format's pixdesc description to be (msb)3R 3G 2B(lsb).

Signed-off-by: Jeffrey Knockel <jeff@jeffreyknockel.com>
Reviewed-by: "Diederick C. Niehorster" <dcnieho@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Jeffrey Knockel 2024-01-14 10:08:55 -05:00 committed by Michael Niedermayer
parent 278fea3664
commit 0e20146db0
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GPG Key ID: B18E8928B3948D64
2 changed files with 4 additions and 4 deletions
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6
libavutil/pixdesc.c
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@ -530,9 +530,9 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 6, 2 }, /* R */
{ 0, 1, 0, 3, 3 }, /* G */
{ 0, 1, 0, 0, 3 }, /* B */
{ 0, 1, 0, 5, 3 }, /* R */
{ 0, 1, 0, 2, 3 }, /* G */
{ 0, 1, 0, 0, 2 }, /* B */
},
.flags = AV_PIX_FMT_FLAG_RGB,
},

2
libavutil/pixfmt.h
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@ -83,7 +83,7 @@ enum AVPixelFormat {
AV_PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
AV_PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
AV_PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
AV_PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
AV_PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)3R 3G 2B(lsb)
AV_PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
AV_PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
AV_PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)