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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * vimc-streamer.h Virtual Media Controller Driver4 *5 * Copyright (C) 2018 Lucas A. M. Magalhães <lucmaga@gmail.com>6 *7 */8 9#ifndef _VIMC_STREAMER_H_10#define _VIMC_STREAMER_H_11 12#include <media/media-device.h>13 14#include "vimc-common.h"15 16#define VIMC_STREAMER_PIPELINE_MAX_SIZE 1617 18/**19 * struct vimc_stream - struct that represents a stream in the pipeline20 *21 * @pipe: the media pipeline object associated with this stream22 * @ved_pipeline: array containing all the entities participating in the23 * stream. The order is from a video device (usually a24 * capture device) where stream_on was called, to the25 * entity generating the first base image to be26 * processed in the pipeline.27 * @pipe_size: size of @ved_pipeline28 * @kthread: thread that generates the frames of the stream.29 *30 * When the user call stream_on in a video device, struct vimc_stream is31 * used to keep track of all entities and subdevices that generates and32 * process frames for the stream.33 */34struct vimc_stream {35 struct media_pipeline pipe;36 struct vimc_ent_device *ved_pipeline[VIMC_STREAMER_PIPELINE_MAX_SIZE];37 unsigned int pipe_size;38 struct task_struct *kthread;39};40 41int vimc_streamer_s_stream(struct vimc_stream *stream,42 struct vimc_ent_device *ved,43 int enable);44 45#endif //_VIMC_STREAMER_H_46