diff options
Diffstat (limited to 'drivers/media/video/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index d975636cbb10..f9ee62ed0150 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -356,6 +356,28 @@ struct uvc_video_chain { struct mutex ctrl_mutex; /* Protects ctrl.info */ }; +struct uvc_stats_frame { + unsigned int size; /* Number of bytes captured */ + unsigned int first_data; /* Index of the first non-empty packet */ + + unsigned int nb_packets; /* Number of packets */ + unsigned int nb_empty; /* Number of empty packets */ + unsigned int nb_invalid; /* Number of packets with an invalid header */ + unsigned int nb_errors; /* Number of packets with the error bit set */ +}; + +struct uvc_stats_stream { + struct timespec start_ts; /* Stream start timestamp */ + struct timespec stop_ts; /* Stream stop timestamp */ + + unsigned int nb_frames; /* Number of frames */ + + unsigned int nb_packets; /* Number of packets */ + unsigned int nb_empty; /* Number of empty packets */ + unsigned int nb_invalid; /* Number of packets with an invalid header */ + unsigned int nb_errors; /* Number of packets with the error bit set */ +}; + struct uvc_streaming { struct list_head list; struct uvc_device *dev; @@ -406,6 +428,10 @@ struct uvc_streaming { /* debugfs */ struct dentry *debugfs_dir; + struct { + struct uvc_stats_frame frame; + struct uvc_stats_stream stream; + } stats; }; enum uvc_device_state { @@ -477,6 +503,7 @@ struct uvc_driver { #define UVC_TRACE_SUSPEND (1 << 8) #define UVC_TRACE_STATUS (1 << 9) #define UVC_TRACE_VIDEO (1 << 10) +#define UVC_TRACE_STATS (1 << 11) #define UVC_WARN_MINMAX 0 #define UVC_WARN_PROBE_DEF 1 @@ -609,10 +636,13 @@ extern struct usb_host_endpoint *uvc_find_endpoint( void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream, struct uvc_buffer *buf); -/* debugfs */ +/* debugfs and statistics */ int uvc_debugfs_init(void); void uvc_debugfs_cleanup(void); int uvc_debugfs_init_stream(struct uvc_streaming *stream); void uvc_debugfs_cleanup_stream(struct uvc_streaming *stream); +size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf, + size_t size); + #endif |