USB_Video.h: add more definitions from the spec.
fixes #5940 Change-Id: Idb9ae8dfdaa9f0fab43be3767bf97e1c87245940 Reviewed-on: https://review.haiku-os.org/c/haiku/+/1022 Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
brjhaiku
Adrien Destugues
parent
09b40d1634
commit
f57d609e9b
@ -11,16 +11,21 @@
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// Based on specification for UVC version 1.5.
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#include <BeBuild.h> // for _PACKED definition
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#include <lendian_bitfield.h>
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#include <SupportDefs.h>
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#define USB_VIDEO_DEVICE_CLASS 0x0E
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enum { // Video Interface Class Code
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USB_VIDEO_INTERFACE_VIDEO_CLASS = 0x0e
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};
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enum { // Video Interface Subclasses
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USB_VIDEO_INTERFACE_UNDEFINED_SUBCLASS = 0x00,
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USB_VIDEO_INTERFACE_VIDEOCONTROL_SUBCLASS = 0x01,
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USB_VIDEO_INTERFACE_VIDEOSTREAMING_SUBCLASS,
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USB_VIDEO_INTERFACE_COLLECTION_SUBCLASS,
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USB_VIDEO_INTERFACE_VIDEOSTREAMING_SUBCLASS = 0x02,
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USB_VIDEO_INTERFACE_COLLECTION_SUBCLASS = 0x03,
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};
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@ -63,7 +68,7 @@ enum { // Video Class-Specific VideoStreaming Interface descriptor subtypes
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USB_VIDEO_VS_FRAME_MJPEG = 0x07,
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USB_VIDEO_VS_FORMAT_MPEG2TS = 0x0a,
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USB_VIDEO_VS_FORMAT_DV = 0x0c,
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USB_VIDEO_VS_COLORFORMAT = 0x0d,
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USB_VIDDE_VS_COLORFORMAT = 0x0d,
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USB_VIDEO_VS_FORMAT_FRAME_BASED = 0x10,
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USB_VIDEO_VS_FRAME_FRAME_BASED = 0x11,
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USB_VIDEO_VS_FORMAT_STREAM_BASED = 0x12,
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@ -76,6 +81,20 @@ enum { // Video Class-Specific VideoStreaming Interface descriptor subtypes
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};
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enum { // Video Streaming Interface Control Selectors
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USB_VIDEO_VS_CONTROL_UNDEFINED = 0x00,
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USB_VIDEO_VS_PROBE_CONTROL = 0x01,
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USB_VIDEO_VS_COMMIT_CONTROL = 0x02,
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USB_VIDEO_VS_STILL_PROBE_CONTROL = 0x03,
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USB_VIDEO_VS_STILL_COMMIT_CONTROL = 0x04,
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USB_VIDEO_VS_STILL_IMAGE_TRIGGER_CONTROL = 0x05,
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USB_VIDEO_VS_STREAM_ERROR_CODE_CONTROL = 0x06,
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USB_VIDEO_VS_GENERATE_KEY_FRAME_CONTROL = 0x07,
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USB_VIDEO_VS_UPDATE_FRAME_SEGMENT_CONTROL = 0x08,
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USB_VIDEO_VS_SYNCH_DELAY_CONTROL = 0x09
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};
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enum {
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// USB Terminal Types
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USB_VIDEO_VENDOR_USB_IO = 0x100,
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@ -96,7 +115,7 @@ enum {
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};
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enum {
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enum { // Video Class-Specific Endpoint Descriptor Subtypes
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EP_SUBTYPE_UNDEFINED = 0x00,
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EP_SUBTYPE_GENERAL = 0x01,
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EP_SUBTYPE_ENDPOINT = 0x02,
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@ -104,8 +123,189 @@ enum {
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};
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// Class Specific Video Control Interface Header
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// 1.5: Table 3-3 p.48
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enum { // Terminal Control Selectors
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USB_VIDEO_TE_CONTROL_UNDEFINED = 0x00
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};
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enum { // Selector Unit Control Selectors
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USB_VIDEO_SU_CONTROL_UNDEFINED = 0x00,
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USB_VIDEO_SU_INPUT_SELECT_CONTROL = 0x01
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};
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enum { // Video Class-Specific Request Codes
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USB_VIDEO_RC_UNDEFINED = 0x00,
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USB_VIDEO_RC_SET_CUR = 0x01,
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USB_VIDEO_RC_GET_CUR = 0x81,
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USB_VIDEO_RC_GET_MIN = 0x82,
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USB_VIDEO_RC_GET_MAX = 0x83,
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USB_VIDEO_RC_GET_RES = 0x84,
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USB_VIDEO_RC_GET_LEN = 0x85,
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USB_VIDEO_RC_GET_INFO = 0x86,
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USB_VIDEO_RC_GET_DEF = 0x87
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};
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enum { // Camera Terminal Control Selectors
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USB_VIDEO_CT_CONTROL_UNDEFINED = 0x00,
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USB_VIDEO_CT_SCANNING_MODE_CONTROL = 0x01,
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USB_VIDEO_CT_AE_MODE_CONTROL = 0x02,
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USB_VIDEO_CT_AE_PRIORITY_CONTROL = 0x03,
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USB_VIDEO_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL = 0x04,
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USB_VIDEO_CT_EXPOSURE_TIME_RELATIVE_CONTROL = 0x05,
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USB_VIDEO_CT_FOCUS_ABSOLUTE_CONTROL = 0x06,
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USB_VIDEO_CT_FOCUS_RELATIVE_CONTROL = 0x07,
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USB_VIDEO_CT_FOCUS_AUTO_CONTROL = 0x08,
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USB_VIDEO_CT_IRIS_ABSOLUTE_CONTROL = 0x09,
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USB_VIDEO_CT_IRIS_RELATIVE_CONTROL = 0x0A,
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USB_VIDEO_CT_ZOOM_ABSOLUTE_CONTROL = 0x0B,
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USB_VIDEO_CT_ZOOM_RELATIVE_CONTROL = 0x0C,
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USB_VIDEO_CT_PANTILT_ABSOLUTE_CONTROL = 0x0D,
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USB_VIDEO_CT_PANTILT_RELATIVE_CONTROL = 0x0E,
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USB_VIDEO_CT_ROLL_ABSOLUTE_CONTROL = 0x0F,
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USB_VIDEO_CT_ROLL_RELATIVE_CONTROL = 0x10,
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USB_VIDEO_CT_PRIVACY_CONTROL = 0x11
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};
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enum { // Processing Unit Control Selectors
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USB_VIDEO_PU_CONTROL_UNDEFINED = 0x00,
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USB_VIDEO_PU_BACKLIGHT_COMPENSATION_CONTROL = 0x01,
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USB_VIDEO_PU_BRIGHTNESS_CONTROL = 0x02,
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USB_VIDEO_PU_CONTRAST_CONTROL = 0x03,
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USB_VIDEO_PU_GAIN_CONTROL = 0x04,
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USB_VIDEO_PU_POWER_LINE_FREQUENCY_CONTROL = 0x05,
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USB_VIDEO_PU_HUE_CONTROL = 0x06,
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USB_VIDEO_PU_SATURATION_CONTROL = 0x07,
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USB_VIDEO_PU_SHARPNESS_CONTROL = 0x08,
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USB_VIDEO_PU_GAMMA_CONTROL = 0x09,
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USB_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_CONTROL = 0x0A,
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USB_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL = 0x0B,
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USB_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_COMPONENT_CONTROL = 0x0C,
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USB_VIDEO_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL = 0x0D,
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USB_VIDEO_PU_DIGITAL_MULTIPLEXER_CONTROL = 0x0E,
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USB_VIDEO_PU_DIGITAL_MULTIPLEXER_LIMIT_CONTROL = 0x0F,
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USB_VIDEO_PU_HUE_AUTO_CONTROL = 0x10,
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USB_VIDEO_PU_ANALOG_VIDEO_STANDARD_CONTROL = 0x11,
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USB_VIDEO_PU_ANALOG_LOCK_STATUS_CONTROL = 0x12
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};
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enum { // Extension Unit Control Selectors
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USB_VIDEO_XU_CONTROL_UNDEFINED = 0x00
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};
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typedef struct {
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/* The orignator bitfield of the status_type struct can have the
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following values: 0 = reserved, 1 = VideoControl interface,
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2 = VideoStreaming interface. */
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struct status_type {
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LBITFIELD8_2 (
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originator: 4,
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reserved: 4
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);
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} status_type;
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/* The second common status_packet_format field orignator includes ID of
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* the Terminal, Unit or Interface that reports the interrupt. */
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uint8 originator;
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union {
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struct videocontrol_interface_as_orignator {
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/* If the orginator bitfield value is 1 (VideoControl interface)
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* then third field of the status_packet_format is event field that
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* includes value 0x00 for control change. Other values
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* (0x01 - 0xFF) are reserved. */
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uint8 event;
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/* The fourth field selector reports the Control Selector of the
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* control that have issued the interrupt. */
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uint8 selector;
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/* The fifth field attribute specifies the type of control change:
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* 0x00 is Control value change, 0x01 is Control info change,
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* 0x02 is Control failure change
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* and values 0x03 - 0xFF are reserved. */
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uint8 attribute;
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/* After that can be several value fields that can include values
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* 0x00, 0x01 and 0x02. */
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uint8 value[0];
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} videocontrol_interface_as_orignator;
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struct videostreaming_interface_as_originator {
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/* If the originator bitfield value is 2 (VideoStreaming interface)
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* then third field of the status_packet_format is event field that
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* can have value 0x00 (Button Press)
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* or values 0x01 - 0xFF (Stream errors). */
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uint8 event;
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/* If event value is 0x00 (Button Press) there is only one value
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* field. It can include values 0x00 (Button released)
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* or 0x01 (Button pressed). If event value was some Stream error
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* value, then there can be several value fields. */
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uint8* value;
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} videostreaming_interface_as_originator;
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} originators;
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} _PACKED usb_video_status_packet_format;
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typedef struct {
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uint8 length; // 9 bytes
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uint8 descriptor_type;
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uint8 interface_number;
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uint8 alternate_setting;
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uint8 num_endpoints;
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uint8 interface_class;
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uint8 interface_sub_class;
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uint8 interface_protocol;
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// Not used. Must be set to USB_VIDEO_PC_PROTOCOL_UNDEFINED
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uint8 interface;
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} _PACKED usb_video_standard_vc_interface_descriptor;
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typedef struct {
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uint8 length; // 8 bytes
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uint8 descriptor_type;
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uint8 first_interface;
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uint8 interface_count;
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uint8 function_class;
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uint8 function_sub_class;
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uint8 function_protocol;
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// Not used. Must be set to USB_VIDEO_PC_PROTOCOL_UNDEFINED
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uint8 function;
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} _PACKED usb_video_standard_video_interface_collection_iad;
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typedef struct {
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uint8 length; // 6 bytes + nr_in_pins
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uint8 descriptor_type;
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uint8 descriptor_sub_type;
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uint8 unit_id;
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uint8 nr_in_pins;
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uint8* source_id;
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uint8 selector;
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} _PACKED usb_video_selector_unit_descriptor;
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typedef struct {
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uint8 header_length;
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struct header_info {
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LBITFIELD8_8 (
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frame_id: 1,
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end_of_frame: 1,
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presentation_time: 1,
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source_clock_reference: 1,
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reserved: 1,
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still_image: 1,
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error: 1,
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end_of_header: 1
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);
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} _header_info;
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} _PACKED usb_video_payload_header_format;
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typedef struct {
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uint32 presentation_time;
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uint8 source_clock[6];
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} _PACKED usb_video_payload_header_format_extended_fields;
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typedef struct {
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uint8 length;
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uint8 descriptor_type; // USB_AUDIO_CS_INTERFACE
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@ -118,6 +318,80 @@ typedef struct {
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} _PACKED usb_videocontrol_header_descriptor;
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typedef struct {
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uint8 length; // 24 bytes + nr_in_pins + control_size
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uint8 descriptor_type;
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uint8 descriptor_sub_type;
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uint8 unit_id;
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uint8 guid_extension_code[16];
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uint8 num_controls;
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uint8 nr_in_pins;
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uint8 source_id[0];
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#if 0
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// Remaining part of the structure can't be encoded because source_id has
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// a variable size
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uint8 control_size;
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struct controls {
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LBITFIELD8_8 (
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vendor_specific0 : 1,
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vendor_specific1 : 1,
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vendor_specific2 : 1,
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vendor_specific3 : 1,
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vendor_specific4 : 1,
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vendor_specific5 : 1,
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vendor_specific6 : 1,
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vendor_specific7 : 1
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);
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} * _controls;
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uint8 extension;
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#endif
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} _PACKED usb_video_extension_unit_descriptor;
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typedef struct {
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uint8 length; // 7 bytes
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uint8 descriptor_type;
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struct end_point_address {
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LBITFIELD8_3 (
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endpoint_number: 4, // Determined by the designer
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reserved: 3, // Reserved. Set to zero.
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direction: 1 // 0 = OUT, 1 = IN
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);
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} _end_point_address;
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struct attributes {
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LBITFIELD8_3 (
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transfer_type: 2, // Must be set to 11 (Interrupt)
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synchronization_type: 2, // Must be set to 00 (None)
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reserved: 4 // Reserved. Must be set to zero
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);
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} _attributes;
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uint16 max_packet_size;
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uint8 interval;
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} _PACKED usb_video_vc_interrupt_endpoint_descriptor;
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typedef struct {
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uint8 length; // 9 bytes
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uint8 descriptor_type;
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uint8 interface_number;
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uint8 alternate_setting;
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uint8 num_endpoints;
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uint8 interface_class;
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uint8 interface_sub_class;
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uint8 interface_protocol;
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// Not used. Must be set to USB_VIDEO_PC_PROTOCOL_UNDEFINED
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uint8 interface;
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} _PACKED usb_video_standard_vs_interface_descriptor;
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typedef struct {
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uint8 length; // 5 bytes
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uint8 descriptor_type;
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uint8 descriptor_sub_type;
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uint16 max_transfer_size;
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} _PACKED usb_video_class_specific_vc_interrupt_endpoint_descriptor;
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// Input Terminal Descriptor
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// 1.5: Table 3-4, page 50
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typedef struct {
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@ -141,6 +415,51 @@ typedef struct {
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} _PACKED usb_video_input_terminal_descriptor;
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typedef struct {
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uint8 length; // 13 bytes + (num_formats*control_size)
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uint8 descriptor_type;
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uint8 descriptor_sub_type;
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uint8 num_formats;
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uint16 total_length;
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struct endpoint_address {
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LBITFIELD8_3 (
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endpoint_number: 4, // Determined by the designer
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reserved: 3, // Set to zero.
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direction: 1 // 0 = OUT, 1 = IN
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);
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} _endpoint_address;
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struct info {
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LBITFIELD8_2 (
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dynamic_format_change_support: 1,
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reserved: 7 // Set to zero.
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);
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} _info;
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uint8 terminal_link;
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uint8 still_capture_method;
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uint8 trigger_support;
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uint8 trigger_usage;
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uint8 control_size;
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struct ma_controls {
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// For four first bits, a bit set to 1 indicates that the named field
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// is supported by the Video Probe and Commit Control when
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// its format_index is 1:
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LBITFIELD8_7 (
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key_frame_rate: 1,
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p_frame_rate: 1,
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comp_quality: 1,
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comp_window_size: 1,
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// For the next two bits, a bit set to 1 indicates that the named
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// control is supported by the device when
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// format_index is 1:
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generate_key_frame: 1,
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update_frame_segment: 1,
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reserved: 2 // (control_size*8-1): Set to zero.
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);
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} * _ma_controls;
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} _PACKED usb_video_class_specific_vs_interface_input_header_descriptor;
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// Output terminal descriptor
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// 1.5: Table 3-5, page 51
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typedef struct {
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@ -155,6 +474,36 @@ typedef struct {
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} _PACKED usb_video_output_terminal_descriptor;
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typedef struct {
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uint8 length; // 9 + (num_formats*control_size)
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uint8 descriptor_type;
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uint8 descriptor_sub_type;
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uint8 num_formats;
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uint16 total_length;
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struct endpoint_address {
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LBITFIELD8_3 (
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endpoint_number: 4, // Determined by the designer
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reserved: 3, // Set to zero.
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direction: 1 // 0 = OUT
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);
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} _endpoint_address;
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uint8 terminal_link;
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uint8 control_size;
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struct ma_controls {
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// For four first bits, a bit set to 1 indicates that the named field
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// is supported by the Video Probe and Commit Control when its
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// format_index is 1:
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LBITFIELD8_5 (
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key_frame_rate: 1,
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p_frame_rate: 1,
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comp_quality: 1,
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comp_window_size: 1,
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reserved: 4 // (control_size*8-1) Set to zero.
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);
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} * _ma_controls;
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} _PACKED usb_video_class_specific_vs_interface_output_header_descriptor;
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// Processing unit descriptor
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// 1.5: Table 3-8, page 54
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typedef struct {
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@ -165,13 +514,164 @@ typedef struct {
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uint8 source_id;
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uint16 max_multiplier;
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uint8 control_size;
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uint8 controls[3];
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uint8 processing;
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uint8 video_standards;
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#if B_HOST_IS_LENDIAN
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struct controls {
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struct control_a {
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LBITFIELD16 (
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brightness: 1,
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contrast: 1,
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hue: 1,
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saturation: 1,
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sharpness: 1,
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gamma: 1,
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white_balance_temperature: 1,
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white_balance_component: 1,
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backlight_compensation: 1,
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gain: 1,
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power_line_frequency: 1,
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hue_auto: 1,
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white_balance_temperature_auto: 1,
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white_balance_component_auto: 1,
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digital_multiplier: 1,
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digital_multiplier_limit: 1
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);
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} _control_a;
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struct control_b {
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LBITFIELD3 (
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analog_video_standard: 1,
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analog_video_lock_status: 1,
|
||||
reserved: 14 // Reserved. Se to zero.
|
||||
);
|
||||
} _control_b;
|
||||
} _controls;
|
||||
#else
|
||||
struct controls {
|
||||
struct control_b {
|
||||
LBITFIELD3 (
|
||||
analog_video_standard: 1,
|
||||
analog_video_lock_status: 1,
|
||||
reserved: 14 // Reserved. Se to zero.
|
||||
);
|
||||
} _control_b;
|
||||
struct control_a {
|
||||
LBITFIELD16 (
|
||||
brightness: 1,
|
||||
contrast: 1,
|
||||
hue: 1,
|
||||
saturation: 1,
|
||||
sharpness: 1,
|
||||
gamma: 1,
|
||||
white_balance_temperature: 1,
|
||||
white_balance_component: 1,
|
||||
backlight_compensation: 1,
|
||||
gain: 1,
|
||||
power_line_frequency: 1,
|
||||
hue_auto: 1,
|
||||
white_balance_temperature_auto: 1,
|
||||
white_balance_component_auto: 1,
|
||||
digital_multiplier: 1,
|
||||
digital_multiplier_limit: 1
|
||||
);
|
||||
} _control_a;
|
||||
} _controls;
|
||||
#endif
|
||||
uint8 processing;
|
||||
struct video_standards {
|
||||
LBITFIELD8_8 (
|
||||
none: 1,
|
||||
ntsc_525_60: 1,
|
||||
pal_625_50: 1,
|
||||
secam_625_50: 1,
|
||||
ntsc_625_50: 1,
|
||||
pal_525_60: 1,
|
||||
reserved6: 1, // Reserved. Set to zero.
|
||||
reserved7: 1 // Reserved. Set to zero.
|
||||
);
|
||||
} _video_standards;
|
||||
} _PACKED usb_video_processing_unit_descriptor;
|
||||
|
||||
|
||||
struct usb_video_frame_descriptor {
|
||||
typedef struct {
|
||||
uint8 length; // 15 + control_size bytes
|
||||
uint8 descriptor_type;
|
||||
uint8 descriptor_sub_type;
|
||||
uint8 terminal_id;
|
||||
uint16 terminal_type;
|
||||
uint8 assoc_terminal;
|
||||
uint8 terminal;
|
||||
uint16 objective_focal_length_min;
|
||||
uint16 objective_focal_length_max;
|
||||
uint16 ocular_focal_length;
|
||||
uint8 control_size;
|
||||
#if B_HOST_IS_LENDIAN
|
||||
struct controls {
|
||||
struct control_a {
|
||||
LBITFIELD16 (
|
||||
scanning_mode: 1,
|
||||
auto_exposure_mode: 1,
|
||||
auto_exposure_priority: 1,
|
||||
exposure_time_absolute: 1,
|
||||
exposure_time_relative: 1,
|
||||
focus_absolute: 1,
|
||||
focus_relative: 1,
|
||||
iris_absolute: 1,
|
||||
iris_relative: 1,
|
||||
zoom_absolute: 1,
|
||||
zoom_relative: 1,
|
||||
pan_tilt_absolute: 1,
|
||||
pan_tilt_relative: 1,
|
||||
roll_absolute: 1,
|
||||
roll_relative: 1,
|
||||
reserved15: 1
|
||||
);
|
||||
} _control_a;
|
||||
struct control_b {
|
||||
LBITFIELD4 (
|
||||
reserved16: 1,
|
||||
focus_auto: 1,
|
||||
privacy: 1,
|
||||
// D19...(control_size*8-1): Reserved, set to zero.
|
||||
reserved: 13
|
||||
);
|
||||
} _contorl_b;
|
||||
} _controls;
|
||||
#else
|
||||
struct controls {
|
||||
struct control_b {
|
||||
LBITFIELD4 (
|
||||
reserved16: 1,
|
||||
focus_auto: 1,
|
||||
privacy: 1,
|
||||
// D19...(control_size*8-1): Reserved, set to zero.
|
||||
reserved: 13
|
||||
);
|
||||
} _contorl_b;
|
||||
struct control_a {
|
||||
LBITFIELD16 (
|
||||
scanning_mode: 1,
|
||||
auto_exposure_mode: 1,
|
||||
auto_exposure_priority: 1,
|
||||
exposure_time_absolute: 1,
|
||||
exposure_time_relative: 1,
|
||||
focus_absolute: 1,
|
||||
focus_relative: 1,
|
||||
iris_absolute: 1,
|
||||
iris_relative: 1,
|
||||
zoom_absolute: 1,
|
||||
zoom_relative: 1,
|
||||
pan_tilt_absolute: 1,
|
||||
pan_tilt_relative: 1,
|
||||
roll_absolute: 1,
|
||||
roll_relative: 1,
|
||||
reserved15: 1
|
||||
);
|
||||
} _control_a;
|
||||
} _controls;
|
||||
#endif
|
||||
} _PACKED usb_video_camera_terminal_descriptor;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length;
|
||||
uint8 descriptor_type;
|
||||
uint8 descriptor_subtype;
|
||||
@ -195,4 +695,137 @@ struct usb_video_frame_descriptor {
|
||||
} _PACKED;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length; // 34 bytes
|
||||
struct hint {
|
||||
LBITFIELD5 (
|
||||
frame_interval: 1,
|
||||
key_frame_rate: 1,
|
||||
p_frame_rate: 1,
|
||||
comp_quality: 1,
|
||||
reserved: 12
|
||||
);
|
||||
} _hint;
|
||||
uint8 format_index;
|
||||
uint8 frame_index;
|
||||
uint32 frame_interval;
|
||||
uint16 key_frame_rate;
|
||||
uint16 p_frame_rate;
|
||||
uint16 comp_quality;
|
||||
uint16 comp_window_size;
|
||||
uint16 delay;
|
||||
uint32 max_video_frame_size;
|
||||
uint32 max_payload_transfer_size;
|
||||
uint32 clock_frequency;
|
||||
struct framing_info {
|
||||
LBITFIELD8_3 (
|
||||
is_frame_id_required: 1,
|
||||
is_end_of_frame_present: 1,
|
||||
reserved: 6
|
||||
);
|
||||
} _framing_info;
|
||||
uint8 prefered_version;
|
||||
uint8 min_version;
|
||||
uint8 max_version;
|
||||
} _PACKED usb_video_video_probe_and_commit_controls;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length; // 11 bytes
|
||||
uint8 frame_index;
|
||||
uint8 compression_index;
|
||||
uint32 max_video_frame_size;
|
||||
uint32 max_payload_transfer_size;
|
||||
} _PACKED usb_video_video_still_probe_control_and_still_commit_control;
|
||||
|
||||
|
||||
typedef struct {
|
||||
// 10 bytes + (4 * num_image_size_patterns) - 4 + num_compression_pattern
|
||||
uint8 length;
|
||||
uint8 descriptor_type;
|
||||
uint8 descriptor_sub_type;
|
||||
uint8 endpoint_address;
|
||||
uint8 num_image_size_patterns;
|
||||
struct pattern_size {
|
||||
uint16 width;
|
||||
uint16 height;
|
||||
} * _pattern_size;
|
||||
uint8 num_compression_pattern;
|
||||
uint8* compression;
|
||||
} _PACKED usb_video_still_image_frame_descriptor;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length; // 7 bytes
|
||||
struct endpoint_address {
|
||||
LBITFIELD8_3 (
|
||||
endpoint_number: 4, // Determined by the designer
|
||||
reserved: 3,
|
||||
direction: 1 // Set to 1 = IN endpoint)
|
||||
);
|
||||
} _endpoint_address;
|
||||
struct attributes {
|
||||
LBITFIELD8_2 (
|
||||
transfer_type: 2, // Set to 10 = Bulk
|
||||
reserved: 6
|
||||
);
|
||||
} _attributes;
|
||||
uint16 max_packet_size;
|
||||
uint8 interval;
|
||||
} _PACKED usb_video_standard_vs_bulk_still_image_data_endpoint_descriptor;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length; // 6 bytes
|
||||
uint8 descriptor_type;
|
||||
uint8 descriptor_sub_type;
|
||||
uint8 color_primaries;
|
||||
uint8 transfer_characteristics;
|
||||
uint8 matrix_coefficients;
|
||||
} _PACKED usb_video_color_matching_descriptor;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length; // 7 bytes
|
||||
uint8 descriptor_type;
|
||||
struct endpoint_address {
|
||||
LBITFIELD8_3 (
|
||||
endpoint_number: 4, // Determined by the designer
|
||||
reserved: 3, // Reset to zero.
|
||||
direction: 1 // 0 = OUT endpoint, 1 = IN endpoint
|
||||
);
|
||||
} _endpoint_address;
|
||||
struct attributes {
|
||||
LBITFIELD8_3 (
|
||||
transfer_type: 2, // 01 = isochronous
|
||||
synchronization_type: 2, // 01 = asynchronous
|
||||
reserved: 4
|
||||
);
|
||||
} _attributes;
|
||||
uint16 max_packet_size;
|
||||
uint8 interval;
|
||||
} _PACKED usb_video_std_vs_isochronous_video_data_endpoint_descriptor;
|
||||
|
||||
|
||||
typedef struct {
|
||||
uint8 length; // 7 bytes
|
||||
uint8 descriptor_type;
|
||||
struct endpoint_address {
|
||||
LBITFIELD8_3 (
|
||||
endpoint_number: 4, // Determined by the designer
|
||||
reserved: 3, // Reset to zero.
|
||||
direction: 1 // 0 = OUT endpoint
|
||||
);
|
||||
} _endpoint_address;
|
||||
struct attributes {
|
||||
LBITFIELD8_2 (
|
||||
transfer_type: 2, // Set to 10 = Bulk
|
||||
reserved: 6
|
||||
);
|
||||
} _attributes;
|
||||
uint16 max_packet_size;
|
||||
uint8 interval;
|
||||
} _PACKED usb_video_standard_vs_bulk_video_data_endpoint_descriptor;
|
||||
|
||||
|
||||
#endif /* !USB_VIDEO_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user