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Subject: edid-decode: support new colorimetry bits Author: Hans Verkuil <[email protected]> Date: Thu Sep 16 12:04:28 2021 +0200 Add support for sRGB and Default colorimetry in the Colorimetry Data Block as per CTA-861.6. Signed-off-by: Hans Verkuil <[email protected]> parse-cta-block.cpp | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) --- diff --git a/parse-cta-block.cpp b/parse-cta-block.cpp index 6c21e8d50f79..358048606198 100644 --- a/parse-cta-block.cpp +++ b/parse-cta-block.cpp @@ -1817,7 +1817,7 @@ void edid_state::cta_vcdb(const unsigned char *x, unsigned length) warn("S_PT is equal to S_IT and S_CE, so should be set to 0 instead.\n"); } -static const char *colorimetry_map[] = { +static const char *colorimetry1_map[] = { "xvYCC601", "xvYCC709", "sYCC601", @@ -1828,6 +1828,17 @@ static const char *colorimetry_map[] = { "BT2020RGB", }; +static const char *colorimetry2_map[] = { + "Reserved MD0", + "Reserved MD1", + "Reserved MD2", + "Reserved MD3", + "Default", + "sRGB", + "ICtCp", + "ST2113RGB", +}; + static void cta_colorimetry_block(const unsigned char *x, unsigned length) { unsigned i; @@ -1836,14 +1847,14 @@ static void cta_colorimetry_block(const unsigned char *x, unsigned length) fail("Empty Data Block with length %u.\n", length); return; } - for (i = 0; i < ARRAY_SIZE(colorimetry_map); i++) { + for (i = 0; i < ARRAY_SIZE(colorimetry1_map); i++) if (x[0] & (1 << i)) - printf(" %s\n", colorimetry_map[i]); - } - if (x[1] & 0x80) - printf(" DCI-P3\n"); - if (x[1] & 0x40) - printf(" ICtCp\n"); + printf(" %s\n", colorimetry1_map[i]); + if (x[1] & 0xf) + fail("Reserved bits MD0-MD3 must be 0.\n"); + for (i = 0; i < ARRAY_SIZE(colorimetry2_map); i++) + if (x[1] & (1 << i)) + printf(" %s\n", colorimetry2_map[i]); } static const char *eotf_map[] = { _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
