sti/delta/delta.h

1 /* SPDX-License-Identifier: GPL-2.0 */
11 #include <media/v4l2-device.h>
12 #include <media/v4l2-mem2mem.h>
14 #include "delta-cfg.h"
17  * enum delta_state - state of decoding instance
46  * struct delta_streaminfo - information about stream to decode
49  * @width:		width of video stream
51  * @streamformat:	fourcc compressed format of video (MJPEG, MPEG2, ...)
56  * @pixelaspect:	pixel aspect ratio of video (4/3, 5/4)
89  * struct delta_au - access unit structure.
91  * @vbuf:	video buffer information for V4L2
112  * struct delta_frameinfo - information about decoded frame
115  * @pixelformat:	fourcc code for uncompressed video format
125  * @pixelaspect:	pixel aspect ratio of video (4/3, 5/4)
153  * struct delta_frame - frame structure.
155  * @vbuf:	video buffer information for V4L2
193  * struct delta_dts - decoding timestamp.
227  * struct delta_dec - decoder structure.
240  * @get_streaminfo:	get stream related infos, see below
241  * @get_frameinfo:	get decoded frame related infos, see below
242  * @set_frameinfo:	(optional) set decoded frame related infos, see below
265 	 * setup_frame() - setup frame to be used by decoder
280 	 * get_streaminfo() - get stream related infos
288 	 * If no valid header is found, get_streaminfo will return -ENODATA,
296 	 * get_frameinfo() - get decoded frame related infos
306 	 * set_frameinfo() - set decoded frame related infos
312 	 * frame if decoder can do post-processing.
318 	 * decode() - decode a single access unit
336 	 * get_frame() - get the next decoded frame available
346 	 * If no frame is available, -ENODATA is returned.
355 	 * recycle() - recycle the given frame
373 	 * flush() - flush decoder
385 	 * drain() - drain decoder
400  * struct delta_ctx - instance structure.
468  * struct delta_dev - device struct, 1 per probe (so single one for
472  * @vdev:		v4l2 video device
475  * @m2m_dev:		memory-to-memory V4L2 device
482  * @pixelformats:	supported uncompressed video formats
483  * @nb_of_pixelformats:	number of supported umcompressed video formats
484  * @streamformats:	supported compressed video formats
485  * @nb_of_streamformats:number of supported compressed video formats
529 		return "-";  in frame_field_str()