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
69 	u32 width;  member
89  * struct delta_au - access unit structure.
112  * struct delta_frameinfo - information about decoded frame
116  * @width:		width of frame
118  * @aligned_width:	width of frame (with encoder or decoder alignment
135 	u32 width;  member
153  * struct delta_frame - frame structure.
157  * @info:	frame information (width, height, format, alignment...)
193  * struct delta_dts - decoding timestamp.
227  * struct delta_dec - decoder structure.
232  * @max_width:		(optional) maximum width that can decode this decoder
233  *			if not set, maximum width is DELTA_MAX_WIDTH
265 	 * setup_frame() - setup frame to be used by decoder
280 	 * get_streaminfo() - get stream related infos
282 	 * @streaminfo:	(out) width, height, dpb,...
288 	 * If no valid header is found, get_streaminfo will return -ENODATA,
296 	 * get_frameinfo() - get decoded frame related infos
298 	 * @frameinfo:	(out) width, height, alignment, crop, ...
306 	 * set_frameinfo() - set decoded frame related infos
308 	 * @frameinfo:	(out) width, height, alignment, crop, ...
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.
404  * @dev:		device context
411  * @streaminfo:		stream information (width, height, dpb, interlacing...)
412  * @frameinfo:		frame information (width, height, format, alignment...)
468  * struct delta_dev - device struct, 1 per probe (so single one for
471  * @v4l2_dev:		v4l2 device
472  * @vdev:		v4l2 video device
473  * @pdev:		platform device
474  * @dev:		device
475  * @m2m_dev:		memory-to-memory V4L2 device
476  * @lock:		device lock, for crit section & V4L2 ops serialization.
489  * @rpmsg_device:	rpmsg IPC device
495 	struct device *dev;
529 		return "-";  in frame_field_str()