diff options
Diffstat (limited to 'src/libcamera/v4l2_pixelformat.cpp')
| -rw-r--r-- | src/libcamera/v4l2_pixelformat.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/libcamera/v4l2_pixelformat.cpp b/src/libcamera/v4l2_pixelformat.cpp index eb9ac222..e8b3eb9c 100644 --- a/src/libcamera/v4l2_pixelformat.cpp +++ b/src/libcamera/v4l2_pixelformat.cpp @@ -373,6 +373,40 @@ V4L2PixelFormat::fromPixelFormat(const PixelFormat &pixelFormat) } /** + * \brief Test if a V4L2PixelFormat is one of the line based generic metadata + * formats + * + * A limited number of metadata formats, the ones that represents generic + * line-based metadata buffers, need to have their width, height and + * bytesperline set by userspace. + * + * This function tests if the current V4L2PixelFormat is one of those. + * + * Note: It would have been nicer to store this information in a + * V4L2PixelFormat::Info instance, but as metadata format are not exposed to + * applications, there are no PixelFormat and DRM fourcc codes associated to + * them. + * + * \return True if the V4L2PixelFormat() is a generic line based format, false + * otherwise + */ +bool V4L2PixelFormat::isGenericLineBasedMetadata() const +{ + switch (fourcc_) { + case V4L2_META_FMT_GENERIC_8: + case V4L2_META_FMT_GENERIC_CSI2_10: + case V4L2_META_FMT_GENERIC_CSI2_12: + case V4L2_META_FMT_GENERIC_CSI2_14: + case V4L2_META_FMT_GENERIC_CSI2_16: + case V4L2_META_FMT_GENERIC_CSI2_20: + case V4L2_META_FMT_GENERIC_CSI2_24: + return true; + default: + return false; + } +} + +/** * \brief Insert a text representation of a V4L2PixelFormat into an output * stream * \param[in] out The output stream |