#define MAX_BYTES_PER_PIXEL 4
#define MIN_FRAME_WIDTH 64
-#define MAX_USB_WIDTH 320 //384
-#define MAX_FRAME_WIDTH 320 //384 /*streching sometimes causes crashes*/
+#define MAX_USB_WIDTH 320 /* 384 */
+#define MAX_FRAME_WIDTH 320 /* 384 */ /* streching sometimes causes crashes*/
#define MIN_FRAME_HEIGHT 48
-#define MAX_USB_HEIGHT 240 //288
-#define MAX_FRAME_HEIGHT 240 //288 /*Streching sometimes causes crashes*/
+#define MAX_USB_HEIGHT 240 /* 288 */
+#define MAX_FRAME_HEIGHT 240 /* 288 */ /* Streching sometimes causes crashes*/
#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
-#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
+#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */
#define USBVISION_URB_FRAMES 32
#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
-#define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds
+#define USBVISION_POWEROFF_TIME 3 * (HZ) /* 3 seconds */
#define FRAMERATE_MIN 0
unsigned char magic_1; /* 0 magic */
unsigned char magic_2; /* 1 magic */
unsigned char header_length; /* 2 */
- unsigned char frame_num; /* 3 */
+ unsigned char frame_num; /* 3 */
unsigned char frame_phase; /* 4 */
unsigned char frame_latency; /* 5 */
unsigned char data_format; /* 6 */
struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
int v4l2_linesize; /* bytes for one videoline*/
struct timeval timestamp;
- int sequence; // How many video frames we send to user
+ int sequence; /* How many video frames we send to user */
};
#define CODEC_SAA7113 7113
unsigned char ctrl_urb_buffer[8];
int ctrl_urb_busy;
struct usb_ctrlrequest ctrl_urb_setup;
- wait_queue_head_t ctrl_urb_wq; // Processes waiting
+ wait_queue_head_t ctrl_urb_wq; /* Processes waiting */
/* configuration part */
int have_tuner;
int tuner_type;
- int bridge_type; // NT1003, NT1004, NT1005
+ int bridge_type; /* NT1003, NT1004, NT1005 */
int radio;
- int video_inputs; // # of inputs
+ int video_inputs; /* # of inputs */
unsigned long freq;
int audio_mute;
int audio_channel;
- int isoc_mode; // format of video data for the usb isoc-transfer
- unsigned int nr; // Number of the device
+ int isoc_mode; /* format of video data for the usb isoc-transfer */
+ unsigned int nr; /* Number of the device */
/* Device structure */
struct usb_device *dev;
int num_alt; /* Number of alternative settings */
unsigned int *alt_max_pkt_size; /* array of max_packet_size */
unsigned char iface; /* Video interface number */
- unsigned char iface_alt; /* Alt settings */
+ unsigned char iface_alt; /* Alt settings */
unsigned char vin_reg2_preset;
struct mutex v4l2_lock;
struct timer_list power_off_timer;
struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
wait_queue_head_t wait_frame; /* Processes waiting */
wait_queue_head_t wait_stream; /* Processes waiting */
- struct usbvision_frame *cur_frame; // pointer to current frame, set by usbvision_find_header
- struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer
- int num_frames; // number of frames allocated
- struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering
+ struct usbvision_frame *cur_frame; /* pointer to current frame, set by usbvision_find_header */
+ struct usbvision_frame frame[USBVISION_NUMFRAMES]; /* frame buffer */
+ int num_frames; /* number of frames allocated */
+ struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; /* S buffering */
volatile int remove_pending; /* If set then about to exit */
/* Scratch space from the Isochronous Pipe.*/
v4l2_std_id tvnorm_id; /* selected tv norm */
unsigned char video_endp; /* 0x82 for USBVISION devices based */
- // Decompression stuff:
+ /* Decompression stuff: */
unsigned char *intra_frame_buffer; /* Buffer for reference frame */
- int block_pos; //for test only
- int request_intra; // 0 = normal; 1 = intra frame is requested;
- int last_isoc_frame_num; // check for lost isoc frames
- int isoc_packet_size; // need to calculate used_bandwidth
- int used_bandwidth; // used bandwidth 0-100%, need to set compr_level
- int compr_level; // How strong (100) or weak (0) is compression
- int last_compr_level; // How strong (100) or weak (0) was compression
+ int block_pos; /* for test only */
+ int request_intra; /* 0 = normal; 1 = intra frame is requested; */
+ int last_isoc_frame_num; /* check for lost isoc frames */
+ int isoc_packet_size; /* need to calculate used_bandwidth */
+ int used_bandwidth; /* used bandwidth 0-100%, need to set compr_level */
+ int compr_level; /* How strong (100) or weak (0) is compression */
+ int last_compr_level; /* How strong (100) or weak (0) was compression */
int usb_bandwidth; /* Mbit/s */
/* Statistics that can be overlayed on the screen */
- unsigned long isoc_urb_count; // How many URBs we received so far
+ unsigned long isoc_urb_count; /* How many URBs we received so far */
unsigned long urb_length; /* Length of last URB */
unsigned long isoc_data_count; /* How many bytes we received */
unsigned long header_count; /* How many frame headers we found */
unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
unsigned long isoc_skip_count; /* How many empty ISO packets received */
unsigned long isoc_err_count; /* How many bad ISO packets received */
- unsigned long isoc_packet_count; // How many packets we totally got
- unsigned long time_in_irq; // How long do we need for interrupt
+ unsigned long isoc_packet_count; /* How many packets we totally got */
+ unsigned long time_in_irq; /* How long do we need for interrupt */
int isoc_measure_bandwidth_count;
- int frame_num; // How many video frames we send to user
- int max_strip_len; // How big is the biggest strip
+ int frame_num; /* How many video frames we send to user */
+ int max_strip_len; /* How big is the biggest strip */
int comprblock_pos;
- int strip_len_errors; // How many times was block_pos greater than strip_len
+ int strip_len_errors; /* How many times was block_pos greater than strip_len */
int strip_magic_errors;
int strip_line_number_errors;
int compr_block_types[4];
git.openpandora.org / pandora-kernel.git / blobdiff