/* SPDX-License-Identifier: GPL-2.0+ */
/*
* vimc - streamer . h Virtual Media Controller Driver
*
* Copyright ( C ) 2018 Lucas A . M . Magalh ã es < lucmaga @ gmail . com >
*
*/
#ifndef _VIMC_STREAMER_H_
#define _VIMC_STREAMER_H_
#include <media/media-device.h>
#include "vimc-common.h"
#define VIMC_STREAMER_PIPELINE_MAX_SIZE 16
/**
* struct vimc_stream - struct that represents a stream in the pipeline
*
* @ pipe : the media pipeline object associated with this stream
* @ ved_pipeline : array containing all the entities participating in the
* stream . The order is from a video device ( usually a
* capture device ) where stream_on was called , to the
* entity generating the first base image to be
* processed in the pipeline .
* @ pipe_size : size of @ ved_pipeline
* @ kthread : thread that generates the frames of the stream .
*
* When the user call stream_on in a video device , struct vimc_stream is
* used to keep track of all entities and subdevices that generates and
* process frames for the stream .
*/
struct vimc_stream {
struct media_pipeline pipe;
struct vimc_ent_device *ved_pipeline[VIMC_STREAMER_PIPELINE_MAX_SIZE];
unsigned int pipe_size;
struct task_struct *kthread;
};
int vimc_streamer_s_stream(struct vimc_stream *stream,
struct vimc_ent_device *ved,
int enable);
#endif //_VIMC_STREAMER_H_
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