drivers/media/platform/vimc/vimc-streamer.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * vimc-streamer.h Virtual Media Controller Driver
   4  *
   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 16
  17
  18 struct vimc_stream {
  19         struct media_pipeline pipe;
  20         struct vimc_ent_device *ved_pipeline[VIMC_STREAMER_PIPELINE_MAX_SIZE];
  21         unsigned int pipe_size;
  22         u8 *frame;
  23         struct task_struct *kthread;
  24 };
  25
  26 /**
  27  * vimc_streamer_s_streamer - start/stop the stream
  28  *
  29  * @stream:     the pointer to the stream to start or stop
  30  * @ved:        The last entity of the streamer pipeline
  31  * @enable:     any non-zero number start the stream, zero stop
  32  *
  33  */
  34 int vimc_streamer_s_stream(struct vimc_stream *stream,
  35                            struct vimc_ent_device *ved,
  36                            int enable);
  37
  38 #endif  //_VIMC_STREAMER_H_