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listusb: decode color format descriptors in usb_video devices

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Change-Id: I3de3b1a893ec02d32f1b10f80653d433ac4526ee
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8582
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
PulkoMandy 2024-11-18 17:41:30 +01:00 committed by waddlesplash
parent d05ff048a2
commit fd7bde29e9
1 changed files with 92 additions and 0 deletions
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92
src/bin/listusb/usb_video.cpp
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@ -482,6 +482,95 @@ DumpVideoFrameDescriptor(const usb_video_frame_descriptor* descriptor)
}
static const char*
ColorPrimariesString(uint8_t value)
{
switch (value) {
case 0:
return "Unspecified";
case 1:
return "BT.709, sRGB";
case 2:
return "BT.470-2 (M)";
case 3:
return "BT.470-2 (B, G)";
case 4:
return "SMPTE 170M";
case 5:
return "SMPTE 240M";
default:
return "??";
}
}
static const char*
TransferCharacteristicsString(uint8_t value)
{
switch (value) {
case 0:
return "Unspecified";
case 1:
return "BT.709";
case 2:
return "BT.470-2 (M)";
case 3:
return "BT.470-2 (B, G)";
case 4:
return "SMPTE 170M";
case 5:
return "SMPTE 240M";
case 6:
return "Linear (V = Lc)";
case 7:
return "sRGB";
default:
return "??";
}
}
static const char*
MatrixCoefficientsString(uint8_t value)
{
switch (value) {
case 0:
return "Unspecified";
case 1:
return "BT.709";
case 2:
return "FCC";
case 3:
return "BT.470-2 (B, G)";
case 4:
return "SMPTE 170M (BT.601)";
case 5:
return "SMPTE 240M";
default:
return "??";
}
}
static void
DumpVideoStreamColorFormatDescriptor(const usb_video_color_matching_descriptor* descriptor)
{
printf(" Type ..................... 0x%02x (VideoStream Interface)\n",
descriptor->descriptor_type);
printf(" Subtype .................. 0x%02x (%s)\n",
descriptor->descriptor_sub_type,
VSInterfaceString(descriptor->descriptor_sub_type));
printf(" Color Primaries .......... 0x%02x (%s)\n",
descriptor->color_primaries,
ColorPrimariesString(descriptor->color_primaries));
printf(" Transfer characteristics . 0x%02x (%s)\n",
descriptor->transfer_characteristics,
TransferCharacteristicsString(descriptor->transfer_characteristics));
printf(" Matrix coefficients ...... 0x%02x (%s)\n",
descriptor->matrix_coefficients,
MatrixCoefficientsString(descriptor->matrix_coefficients));
}
void
DumpVideoStreamCSInterfaceDescriptor(const usb_generic_descriptor* descriptor)
{
@ -501,6 +590,9 @@ DumpVideoStreamCSInterfaceDescriptor(const usb_generic_descriptor* descriptor)
case USB_VIDEO_VS_FRAME_MJPEG:
DumpVideoFrameDescriptor((usb_video_frame_descriptor*)descriptor);
break;
case USB_VIDEO_VS_COLORFORMAT:
DumpVideoStreamColorFormatDescriptor((usb_video_color_matching_descriptor*)descriptor);
break;
default:
DumpDescriptorData(descriptor);
break;