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2014-04-01Use format information structure directlyLaurent Pinchart
Replace the v4l2_format_code() function by functions to retrieve format information by fourcc or name, and access the format information structure directly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2014-04-01Make buffer structure multiplane awareDetlev Casanova
Signed-off-by: Detlev Casanova <detlev.casanova@gmail.com>
2014-01-09Mark current menu value with a (*) when querying controlsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2013-12-05Integer64 and string controls can't be accessed using VIDIOC_[GS]_CTRLSakari Ailus
So don't even try. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2013-12-05Make VIDIOC_[GS]_CTRL workSakari Ailus
v4l2_control.value was left uninitialised for the VIDIOC_S_CTRL IOCTL. Fix that. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2013-12-04Support additional dpcm compressed bayer formats.Sakari Ailus
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2013-08-22Support device capsLaurent Pinchart
Use the V4L2 video device caps instead of the global caps when available. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2013-06-25Truncate existing files when writing frames to memoryLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2013-06-25Add support for VYUY and YVYU formatsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-11-28Print v4l2_buffer timestamp typeSakari Ailus
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-11-27Update kernel header filesSakari Ailus
Update videodev2.h and move it under include/linux. v4l2-common.h and v4l2-controls.h are now required by videodev2.h as well --- they're really the reason for moving videodev2.h. The two required headers are added, too. Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-04-16Support extended controls, including 64-bit integersSakari Ailus
Fall back to regular S_CTRL / G_CTRL if extended controls aren't available. Also don't try to get value for classes. Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-04-16Support integer menusSakari Ailus
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-04-16Add videodev2.h to allow building on systems without latest kernel headersSakari Ailus
Add videodev2.h as part of yavta. The file is to be updated from linux-media tree manually in the future. Remove existing format definitions in yavta.c since they are no longer needed. Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-01-25Add --stride argumentLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-01-25warn if written size is different to original oneAndy Shevchenko
This patch also eliminates compiler warning: yavta.c: In function ‘video_save_image’: yavta.c:974:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> [Print different messages depending on whether the return value is negative or positive] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2012-01-24Add NV pixel formatsJacob Pan
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> [Add NV21, NV16, NV61, NV24 and NV42 formats] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-12-21Add support for Y10 and Y12 pixel formatsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-12-09Add missing header file sys/stat.hGiorgio Vazzana
This file defines the initial permission flags used by open when we create a file using O_CREAT flag. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-11-25Support writing all frames to a single fileLaurent Pinchart
When using the -F/--file argument to capture frames to files, the file name given as argument is now a pattern. If the pattern contains '#', the first '#' character will be expanded to the frame number. Otherwise all frames will be written to the same file. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-10-25Exit when VIDIOC_STREAMON fails.Laurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-10-25Print both error text and error code in error messages.Laurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-10-25Use monotonic clock to retrieve timestampsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-10-25Add support for RGB formatsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-08-10Add buffer overrun checksLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-07-11Free userspace buffers when freeing video buffersLaurent Pinchart
Memory allocated with posix_memalign() must be freed with free(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-07-11Add --realtime option to switch to RR schedulingLaurent Pinchart
The optional argument selects the static priority. If omitted, the priority is set to 1. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-05-14Add support for missing Bayer formatsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-05-04Print class controls as headersLaurent Pinchart
This improves the controls list readability. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-05-04Ignore failed VIDIOC_QUERYCAP.Sakari Ailus
This is not a fatal error, and especially subdevs do not support it. If VIDIOC_QUERY returns an error, assume the device is a V4L2 subdev and set the --no-query option. Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-04-30Support holes in menu indicesLaurent Pinchart
When querying menu entries, don't stop at the first error returned by the driver but loop over the [min,max] range and print supported menu entries only. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-03-21Support pattern files for compressed formatsLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-01-23Display the instant frame rate for each frame during captureLaurent Pinchart
This helps debugging framerate related problems. Thanks to Martin Hostettler for submitting a first version of this patch. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2011-01-23Add support for GREY/Y8 formatMartin Hostettler
2010-12-23Fix an off-by-one bug in frame countLaurent Pinchart
Thanks to Stefan Steuerwald for pointing out the issue and providing an initial patch. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-12-03Add support for the V4L2_PIX_FMT_SGRBG12 formatLaurent Pinchart
The format isn't available in the mainline kernel yet, so guard it with conditional compilation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-11-26Add support for SGRBG10_DPCM8 formatLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-11-26Add struct buffer objectLaurent Pinchart
Use the new buffer object to hold the buffer size and memory pointer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-11-26Fix uninitialized variable warning in video_do_capture()Laurent Pinchart
Make sure the variable won't be use uninitialized and silent the warning. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-11-26Add buffer error flag to information printed after VIDIOC_DQBUFLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-09-29Add option to make requeue of last buffers configurableLaurent Pinchart
When capturing n image with p buffers, dequeued buffers don't need to be requeued in the last n - p iterations. Don't requeue them by default, and add a --requeue-last option to force the old behaviour. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-09-29Print device bus info when opening the deviceLaurent Pinchart
To differentiate between identically named devices, print the bus info reported by VIDIOC_QUERYCAP. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-08-06Do not divide by zero.Sakari Ailus
If only one buffer was processed the performance measurement calculation caused a division by zero. Do not do show measurements if they are bad. Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
2010-08-06Basic test pattern support for video output devicesLaurent Pinchart
Instead of filling video output buffers with 0s, generate and user a test pattern. If the -F argument is given, the test pattern is read from the specified file. The file size must be at equal to or bigger than the image size. If the -F argument is not given, a basic test pattern is generated automatically. Every byte is set to the sum of its X and Y coordinates. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-08-06Optimise for safer free() usage.Sakari Ailus
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
2010-07-30Make -c and -F options accept an optional argumentLaurent Pinchart
The long --capture and --file options have an optional argument, fix the short versions. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-07-22Add support for the V4L2_PIX_FMT_Y16 formatLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-06-23Add --offset option to select userspace buffer alignmentLaurent Pinchart
For driver testing purpose the --offset option can be used to modify the userspace buffers alignment. Instead of a fixed page-boundary alignment, buffers can now be aligned to a fixed offset starting to the beginning of the page. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-06-02Set the v4l2_buffer::length field when queueing a bufferLaurent Pinchart
Userspace buffers size needs to be passed to drivers on VIDIOC_QBUF. Set the v4l2_buffer::length field to the size of the allocated buffer before calling VIDIOC_QBUF. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2010-06-02Align userspace buffers to a page size boundaryLaurent Pinchart
Some devices need userspace buffers to be page-aligned. Use the posix_memalign function instead of malloc to allocate page-aligned buffers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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