sti/delta/delta.h

1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <linux/rpmsg.h>
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
89  * struct delta_au - access unit structure.
112  * struct delta_frameinfo - information about decoded frame
153  * struct delta_frame - frame structure.
163  *		(DELTA_FRAME_FREE/DEC/OUT/REC/...)
193  * struct delta_dts - decoding timestamp.
227  * struct delta_dec - decoder structure.
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
320 	 * @au:		(in/out) access unit
324 	 *  @au.flags	(out) au type (V4L2_BUF_FLAG_KEYFRAME/
336 	 * get_frame() - get the next decoded frame available
338 	 * @frame:	(out) frame with decoded data:
339 	 *  @frame.index	(out) identifier of frame
340 	 *  @frame.field	(out) field order for interlaced frame
341 	 *  @frame.state	(out) frame state for frame lifecycle tracking
342 	 *  @frame.flags	(out) frame type (V4L2_BUF_FLAG_KEYFRAME/
346 	 * If no frame is available, -ENODATA is returned.
355 	 * recycle() - recycle the given frame
365 	 * or recycle() is not called fast enough, the decoder can run out
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
475  * @m2m_dev:		memory-to-memory V4L2 device
488  * @rpmsg_driver:	rpmsg IPC driver
489  * @rpmsg_device:	rpmsg IPC device
529 		return "-";  in frame_field_str()
549 		 (state & DELTA_FRAME_OUT)  ? "out" : "   ",  in frame_state_str()