Pixel formats
From MyLabWiki
(Difference between revisions)
(Added reference to Gstreamer type defs) |
|||
| Line 64: | Line 64: | ||
* [http://v4l2spec.bytesex.org/ V4L2 API Specification (Revision 0.24)] – in particular [http://v4l2spec.bytesex.org/spec/x2123.htm Colorspaces], [http://v4l2spec.bytesex.org/spec/x2490.htm RGB formats] and [http://v4l2spec.bytesex.org/spec/x3891.htm YUV formats] | * [http://v4l2spec.bytesex.org/ V4L2 API Specification (Revision 0.24)] – in particular [http://v4l2spec.bytesex.org/spec/x2123.htm Colorspaces], [http://v4l2spec.bytesex.org/spec/x2490.htm RGB formats] and [http://v4l2spec.bytesex.org/spec/x3891.htm YUV formats] | ||
* [http://fourcc.org/ Fourcc] (note that packed and unpacked YUV formats are in separate tables) | * [http://fourcc.org/ Fourcc] (note that packed and unpacked YUV formats are in separate tables) | ||
| + | * GStreamer Plugin Writer's Guide: [http://www.gstreamer.net/data/doc/gstreamer/head/pwg/html/section-types-definitions.html List of Defined Types] | ||
[[Category:Cameras]] | [[Category:Cameras]] | ||
Latest revision as of 12:22, 16 September 2010
Currently, this only covers my Logitech cameras.
| Camera | Fourcc | V4L2 | Type | Gstreamer caps |
|---|---|---|---|---|
| YUYV | YUY2 | V4L2_PIX_FMT_YUYV (YUYV) | packed | video/x-raw-yuv,format=(fourcc)YUY2 |
| MJPG | TBC: V4L2_PIX_FMT_JPEG (JPEG) | compressed | image/jpeg | |
| RGB3 | TBC: V4L2_PIX_FMT_RGB24 (RGB3) | packed | video/x-raw-rgb,format=RGB3 | |
| BGR3 | TBC: V4L2_PIX_FMT_BGR24 (BGR3) | packed | video/x-raw-rgb,format=BGR3 | |
| YU12 | I420 | V4L2_PIX_FMT_YUV420 (YU12) | planar | video/x-raw-yuv,format=(fourcc)I420 |
| YV12 | YV12 | V4L2_PIX_FMT_YVU420 (YV12) | planar | video/x-raw-yuv,format=(fourcc)YV12 |
Legend
- Camera
- Pixel format name used in the camera caps as output by guvcview.
- Fourcc
- The corresponding fourcc label
- V4L2
- The corresponding format type in V4L2
- Type
- The type of the pixel format: packed, planar or compressed
- Gstreamer caps
- The format string to be used in the gstreamer caps filter.
References
- USB Video Class specs (bottom of the page)
- V4L2 API Specification (Revision 0.24) – in particular Colorspaces, RGB formats and YUV formats
- Fourcc (note that packed and unpacked YUV formats are in separate tables)
- GStreamer Plugin Writer's Guide: List of Defined Types
