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