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/*
* Copyright (c) 2022, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef USBH_VIDEO_H
#define USBH_VIDEO_H
#include "usb_video.h"
#define USBH_VIDEO_FORMAT_UNCOMPRESSED 0
#define USBH_VIDEO_FORMAT_MJPEG 1
#ifndef CONFIG_USBHOST_VIDEO_MAX_FRAMES
#define CONFIG_USBHOST_VIDEO_MAX_FRAMES 12
#endif
#ifndef CONFIG_USBHOST_VIDEO_MAX_FORMATS
#define CONFIG_USBHOST_VIDEO_MAX_FORMATS 3
#endif
struct usbh_video_resolution {
uint16_t wWidth;
uint16_t wHeight;
uint32_t dwDefaultFrameInterval;
};
struct usbh_video_format {
struct usbh_video_resolution frame[CONFIG_USBHOST_VIDEO_MAX_FRAMES];
uint8_t format_type;
uint8_t num_of_frames;
};
struct usbh_videoframe {
uint8_t *frame_buf;
uint32_t frame_bufsize;
uint32_t frame_format;
uint32_t frame_size;
};
struct usbh_videostreaming {
struct usbh_videoframe *frame;
uint32_t frame_format;
uint32_t bufoffset;
uint16_t width;
uint16_t height;
};
struct usbh_video {
struct usbh_hubport *hport;
struct usb_endpoint_descriptor *isoin; /* ISO IN endpoint */
struct usb_endpoint_descriptor *bulkin; /* Bulk IN endpoint */
uint8_t ctrl_intf; /* interface number */
uint8_t data_intf; /* interface number */
uint8_t minor;
struct video_probe_and_commit_controls probe;
struct video_probe_and_commit_controls commit;
uint16_t isoin_mps;
bool is_opened;
uint8_t current_format;
bool is_bulk;
uint16_t bcdVDC;
uint8_t num_of_intf_altsettings;
uint8_t num_of_formats;
struct usbh_video_format format[CONFIG_USBHOST_VIDEO_MAX_FORMATS];
void *user_data;
};
#ifdef __cplusplus
extern "C" {
#endif
int usbh_video_get(struct usbh_video *video_class, uint8_t request, uint8_t intf, uint8_t entity_id, uint8_t cs, uint8_t *buf, uint16_t len);
int usbh_video_set(struct usbh_video *video_class, uint8_t request, uint8_t intf, uint8_t entity_id, uint8_t cs, uint8_t *buf, uint16_t len);
int usbh_video_open(struct usbh_video *video_class,
uint8_t format_type,
uint16_t wWidth,
uint16_t wHeight,
uint8_t altsetting);
int usbh_video_close(struct usbh_video *video_class);
void usbh_video_list_info(struct usbh_video *video_class);
void usbh_video_run(struct usbh_video *video_class);
void usbh_video_stop(struct usbh_video *video_class);
#ifdef __cplusplus
}
#endif
#endif /* USBH_VIDEO_H */
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