diff options
| author | Pavel Machek <pavel@ucw.cz> | 2022-12-23 18:23:12 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-12-24 17:47:19 +0200 |
| commit | e83d94915df9cc279161adc9c1b32a09580111e1 (patch) | |
| tree | 160da659a84f66d34ffd6ca0c25a3f9e8f432daf | |
| parent | 21a82ed8a5153e11a0f6eab724c8819599b4e758 (diff) | |
gstreamer: Add bayer8 support to libcamerasrc element
Bayer8 support is useful on hardware such as Librem 5, as GStreamer
provides easy solution for debayering and display of the camera
data. Add necessary glue to libcamerasrc element.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | src/gstreamer/gstlibcamera-utils.cpp | 30 | ||||
| -rw-r--r-- | src/gstreamer/gstlibcamerasrc.cpp | 2 |
2 files changed, 31 insertions, 1 deletions
diff --git a/src/gstreamer/gstlibcamera-utils.cpp b/src/gstreamer/gstlibcamera-utils.cpp index 36b9564c..16aac441 100644 --- a/src/gstreamer/gstlibcamera-utils.cpp +++ b/src/gstreamer/gstlibcamera-utils.cpp @@ -20,6 +20,12 @@ static struct { /* Compressed */ { GST_VIDEO_FORMAT_ENCODED, formats::MJPEG }, + /* Bayer formats, gstreamer only supports 8-bit */ + { GST_VIDEO_FORMAT_ENCODED, formats::SBGGR8 }, + { GST_VIDEO_FORMAT_ENCODED, formats::SGBRG8 }, + { GST_VIDEO_FORMAT_ENCODED, formats::SGRBG8 }, + { GST_VIDEO_FORMAT_ENCODED, formats::SRGGB8 }, + /* RGB16 */ { GST_VIDEO_FORMAT_RGB16, formats::RGB565 }, @@ -228,6 +234,22 @@ gst_format_to_pixel_format(GstVideoFormat gst_format) return PixelFormat{}; } +static const gchar * +bayer_format_to_string(int format) +{ + switch (format) { + case formats::SBGGR8: + return "bggr"; + case formats::SGBRG8: + return "gbrg"; + case formats::SGRBG8: + return "grbg"; + case formats::SRGGB8: + return "rggb"; + } + return NULL; +} + static GstStructure * bare_structure_from_format(const PixelFormat &format) { @@ -243,6 +265,14 @@ bare_structure_from_format(const PixelFormat &format) switch (format) { case formats::MJPEG: return gst_structure_new_empty("image/jpeg"); + + case formats::SBGGR8: + case formats::SGBRG8: + case formats::SGRBG8: + case formats::SRGGB8: + return gst_structure_new("video/x-bayer", "format", G_TYPE_STRING, + bayer_format_to_string(format), nullptr); + default: return nullptr; } diff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp index 8d97d7c2..a10cbd4f 100644 --- a/src/gstreamer/gstlibcamerasrc.cpp +++ b/src/gstreamer/gstlibcamerasrc.cpp @@ -161,7 +161,7 @@ G_DEFINE_TYPE_WITH_CODE(GstLibcameraSrc, gst_libcamera_src, GST_TYPE_ELEMENT, GST_DEBUG_CATEGORY_INIT(source_debug, "libcamerasrc", 0, "libcamera Source")) -#define TEMPLATE_CAPS GST_STATIC_CAPS("video/x-raw; image/jpeg") +#define TEMPLATE_CAPS GST_STATIC_CAPS("video/x-raw; image/jpeg; video/x-bayer") /* For the simple case, we have a src pad that is always present. */ GstStaticPadTemplate src_template = { |