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45 lines
1.3 KiB
45 lines
1.3 KiB
/* 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 <[email protected]> |
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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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