From 670027c507e99521d416994a18a498def9ef2ea3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Sat, 22 Oct 2016 19:31:08 -0300 Subject: Linux-libre 4.8.3-gnu --- .../DocBook/media/v4l/vidioc-g-jpegcomp.xml | 175 --------------------- 1 file changed, 175 deletions(-) delete mode 100644 Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml (limited to 'Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml') diff --git a/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml b/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml deleted file mode 100644 index 098ff4838..000000000 --- a/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml +++ /dev/null @@ -1,175 +0,0 @@ - - - ioctl VIDIOC_G_JPEGCOMP, VIDIOC_S_JPEGCOMP - &manvol; - - - - VIDIOC_G_JPEGCOMP - VIDIOC_S_JPEGCOMP - - - - - - - int ioctl - int fd - int request - v4l2_jpegcompression *argp - - - - - int ioctl - int fd - int request - const v4l2_jpegcompression *argp - - - - - - Arguments - - - - fd - - &fd; - - - - request - - VIDIOC_G_JPEGCOMP, VIDIOC_S_JPEGCOMP - - - - argp - - - - - - - - - Description - - These ioctls are deprecated. - New drivers and applications should use - JPEG class controls for image quality and JPEG markers control. - - - [to do] - - Ronald Bultje elaborates: - - - - APP is some application-specific information. The -application can set it itself, and it'll be stored in the JPEG-encoded -fields (eg; interlacing information for in an AVI or so). COM is the -same, but it's comments, like 'encoded by me' or so. - - jpeg_markers describes whether the huffman tables, -quantization tables and the restart interval information (all -JPEG-specific stuff) should be stored in the JPEG-encoded fields. -These define how the JPEG field is encoded. If you omit them, -applications assume you've used standard encoding. You usually do want -to add them. - - - - - struct <structname>v4l2_jpegcompression</structname> - - &cs-str; - - - int - quality - Deprecated. If - V4L2_CID_JPEG_COMPRESSION_QUALITY control is exposed - by a driver applications should use it instead and ignore this field. - - - - int - APPn - - - - int - APP_len - - - - char - APP_data[60] - - - - int - COM_len - - - - char - COM_data[60] - - - - __u32 - jpeg_markers - See . Deprecated. - If - V4L2_CID_JPEG_ACTIVE_MARKER control - is exposed by a driver applications should use it instead - and ignore this field. - - - -
- - - JPEG Markers Flags - - &cs-def; - - - V4L2_JPEG_MARKER_DHT - (1<<3) - Define Huffman Tables - - - V4L2_JPEG_MARKER_DQT - (1<<4) - Define Quantization Tables - - - V4L2_JPEG_MARKER_DRI - (1<<5) - Define Restart Interval - - - V4L2_JPEG_MARKER_COM - (1<<6) - Comment segment - - - V4L2_JPEG_MARKER_APP - (1<<7) - App segment, driver will always use APP0 - - - -
- - - - &return-value; - - -- cgit v1.2.3