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Diffstat (limited to 'lib/video-buffers.h')
| -rw-r--r-- | lib/video-buffers.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/video-buffers.h b/lib/video-buffers.h new file mode 100644 index 0000000..001f75e --- /dev/null +++ b/lib/video-buffers.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Video buffers + * + * Copyright (C) 2018 Laurent Pinchart + * + * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + */ +#ifndef __VIDEO_BUFFERS_H__ +#define __VIDEO_BUFFERS_H__ + +#include <stdbool.h> +#include <stddef.h> +#include <sys/time.h> + +/* + * + * struct video_buffer - Video buffer information + * @index: Zero-based buffer index, limited to the number of buffers minus one + * @size: Size of the video memory, in bytes + * @bytesused: Number of bytes used by video data, smaller or equal to @size + * @timestamp: Time stamp at which the buffer has been captured + * @error: True if an error occured while capturing video data for the buffer + * @allocated: True if memory for the buffer has been allocated + * @mem: Video data memory + * @dmabuf: Video data dmabuf handle + */ +struct video_buffer +{ + unsigned int index; + unsigned int size; + unsigned int bytesused; + struct timeval timestamp; + bool error; + void *mem; + int dmabuf; +}; + +struct video_buffer_set +{ + struct video_buffer *buffers; + unsigned int nbufs; +}; + +struct video_buffer_set *video_buffer_set_new(unsigned int nbufs); +void video_buffer_set_delete(struct video_buffer_set *buffers); + +#endif /* __VIDEO_BUFFERS_H__ */ |