diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2017-09-09 12:08:26 +0200 |
|---|---|---|
| committer | Adam Jackson <ajax@redhat.com> | 2017-09-18 10:16:48 -0400 |
| commit | 3a4d2ceed7d34add126a44fec9879808ca9fab0a (patch) | |
| tree | c37b24c53a39c7b55fee290379ba3fdbf7480250 | |
| parent | 331dc5beee3c1fc2a852f9ecc2173a43d4a99bbb (diff) | |
edid-decode: add HDR Dynamic Metadata Data Block
Support this CTA-861-G data block.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
| -rw-r--r-- | edid-decode.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/edid-decode.c b/edid-decode.c index b2b116f..0fe126c 100644 --- a/edid-decode.c +++ b/edid-decode.c @@ -1900,6 +1900,37 @@ cea_hdr_static_metadata_block(unsigned char *x) } static void +cea_hdr_dyn_metadata_block(unsigned char *x) +{ + int length = x[0] & 0x1f; + + if (!length) + return; + length--; + x += 2; + while (length >= 3) { + int type_len = x[0]; + int type = x[1] | (x[2] << 8); + + if (length < type_len + 1) + return; + printf(" HDR Dynamic Metadata Type %d\n", type); + switch (type) { + case 1: + case 2: + case 4: + if (type_len > 2) + printf(" Version: %d\n", x[3] & 0xf); + break; + default: + break; + } + length -= type_len + 1; + x += type_len + 1; + } +} + +static void cea_block(unsigned char *x) { static int last_block_was_hdmi_vsdb; @@ -1965,6 +1996,10 @@ cea_block(unsigned char *x) printf("HDR static metadata data block\n"); cea_hdr_static_metadata_block(x); break; + case 0x07: + printf("HDR dynamic metadata data block\n"); + cea_hdr_dyn_metadata_block(x); + break; case 0x0d: printf("Video format preference data block\n"); cea_vfpdb(x); |