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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Video buffers
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*
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* Copyright (C) 2018 Laurent Pinchart
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*
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* Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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*/
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#ifndef __VIDEO_BUFFERS_H__
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#define __VIDEO_BUFFERS_H__
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#include <stdbool.h>
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#include <stddef.h>
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#include <sys/time.h>
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/*
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*
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* struct video_buffer - Video buffer information
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* @index: Zero-based buffer index, limited to the number of buffers minus one
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* @size: Size of the video memory, in bytes
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* @bytesused: Number of bytes used by video data, smaller or equal to @size
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* @timestamp: Time stamp at which the buffer has been captured
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* @error: True if an error occured while capturing video data for the buffer
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* @allocated: True if memory for the buffer has been allocated
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* @mem: Video data memory
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* @dmabuf: Video data dmabuf handle
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*/
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struct video_buffer
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{
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unsigned int index;
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unsigned int size;
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unsigned int bytesused;
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struct timeval timestamp;
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bool error;
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void *mem;
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int dmabuf;
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};
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struct video_buffer_set
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{
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struct video_buffer *buffers;
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unsigned int nbufs;
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};
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struct video_buffer_set *video_buffer_set_new(unsigned int nbufs);
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void video_buffer_set_delete(struct video_buffer_set *buffers);
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#endif /* __VIDEO_BUFFERS_H__ */
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