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intel_infoframes: Add support for decoding HDMI VICs

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The HDMI vendor infoframe can contain a HDMI VIC (as of HDMI 1.4, only
used for 4k formats).

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
This commit is contained in:
Damien Lespiau 2013-08-10 21:25:16 +01:00
parent e58891d0ae
commit bc1cf77534
1 changed files with 22 additions and 4 deletions
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26
tools/intel_infoframes.c
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@ -184,8 +184,13 @@ typedef union {
uint8_t Rsvd0 :5; uint8_t Rsvd0 :5;
uint8_t video_format :3; uint8_t video_format :3;
uint8_t Rsvd1 :4; union {
uint8_t s3d_structure :4; uint8_t vic;
struct {
uint8_t Rsvd1 :4;
uint8_t s3d_structure :4;
} s3d;
} pb5;
uint8_t Rsvd2 :4; uint8_t Rsvd2 :4;
uint8_t s3d_ext_data :4; uint8_t s3d_ext_data :4;
@ -467,13 +472,26 @@ static const char *s3d_structure_to_string(int format)
static void dump_vendor_hdmi(DipInfoFrame *frame) static void dump_vendor_hdmi(DipInfoFrame *frame)
{ {
int vic_present = frame->vendor.video_format & 0x1;
int s3d_present = frame->vendor.video_format & 0x2; int s3d_present = frame->vendor.video_format & 0x2;
printf("- video format: 0x%03x %s\n", frame->vendor.video_format, printf("- video format: 0x%03x %s\n", frame->vendor.video_format,
s3d_present ? "(3D)" : ""); s3d_present ? "(3D)" : "");
if (s3d_present)
if (vic_present && s3d_present) {
printf("Error: HDMI VIC and S3D bits set. Only one of those "
" at a time is valid\n");
return;
}
if (vic_present)
printf("- HDMI VIC: %d\n", frame->vendor.pb5.vic);
else if (s3d_present) {
int s3d_structure = frame->vendor.pb5.s3d.s3d_structure;
printf("- 3D Format: %s\n", printf("- 3D Format: %s\n",
s3d_structure_to_string(frame->vendor.s3d_structure)); s3d_structure_to_string(s3d_structure));
}
} }
static void dump_vendor_info(Transcoder transcoder) static void dump_vendor_info(Transcoder transcoder)