hrev53615 adds 1 changeset to branch 'master'
old head: 09b40d1634f72ff933450f9c2f1d7c722b744cd9
new head: f57d609e9b5632bb75cc20337df099f337acb08f
overview:
https://git.haiku-os.org/haiku/log/?qt=range&q=f57d609e9b56+%5E09b40d1634f7
----------------------------------------------------------------------------
f57d609e9b56: 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@xxxxxxxxx>
[ brjhaiku <brjhaiku@xxxxxxxxx> ]
----------------------------------------------------------------------------
Revision: hrev53615
Commit: f57d609e9b5632bb75cc20337df099f337acb08f
URL: https://git.haiku-os.org/haiku/commit/?id=f57d609e9b56
Author: brjhaiku <brjhaiku@xxxxxxxxx>
Date: Sat Feb 9 21:38:31 2019 UTC
Committer: Adrien Destugues <pulkomandy@xxxxxxxxx>
Commit-Date: Thu Dec 5 10:55:29 2019 UTC
Ticket: https://dev.haiku-os.org/ticket/5940
----------------------------------------------------------------------------
1 file changed, 644 insertions(+), 11 deletions(-)
headers/os/drivers/usb/USB_video.h | 655 ++++++++++++++++++++++++++++++++-
----------------------------------------------------------------------------
diff --git a/headers/os/drivers/usb/USB_video.h
b/headers/os/drivers/usb/USB_video.h
index 2c3fb00f6e..cca3119145 100644
--- a/headers/os/drivers/usb/USB_video.h
+++ b/headers/os/drivers/usb/USB_video.h
@@ -11,16 +11,21 @@
// Based on specification for UVC version 1.5.
+#include <BeBuild.h> // for _PACKED definition
+#include <lendian_bitfield.h>
#include <SupportDefs.h>
-#define USB_VIDEO_DEVICE_CLASS 0x0E
+enum { // Video Interface Class Code
+ USB_VIDEO_INTERFACE_VIDEO_CLASS = 0x0e
+};
+
enum { // Video Interface Subclasses
USB_VIDEO_INTERFACE_UNDEFINED_SUBCLASS = 0x00,
USB_VIDEO_INTERFACE_VIDEOCONTROL_SUBCLASS = 0x01,
- USB_VIDEO_INTERFACE_VIDEOSTREAMING_SUBCLASS,
- USB_VIDEO_INTERFACE_COLLECTION_SUBCLASS,
+ USB_VIDEO_INTERFACE_VIDEOSTREAMING_SUBCLASS = 0x02,
+ USB_VIDEO_INTERFACE_COLLECTION_SUBCLASS = 0x03,
};
@@ -63,7 +68,7 @@ enum { // Video Class-Specific VideoStreaming Interface
descriptor subtypes
USB_VIDEO_VS_FRAME_MJPEG = 0x07,
USB_VIDEO_VS_FORMAT_MPEG2TS = 0x0a,
USB_VIDEO_VS_FORMAT_DV = 0x0c,
- USB_VIDEO_VS_COLORFORMAT = 0x0d,
+ USB_VIDDE_VS_COLORFORMAT = 0x0d,
USB_VIDEO_VS_FORMAT_FRAME_BASED = 0x10,
USB_VIDEO_VS_FRAME_FRAME_BASED = 0x11,
USB_VIDEO_VS_FORMAT_STREAM_BASED = 0x12,
@@ -76,6 +81,20 @@ enum { // Video Class-Specific VideoStreaming Interface
descriptor subtypes
};
+enum { // Video Streaming Interface Control Selectors
+ USB_VIDEO_VS_CONTROL_UNDEFINED = 0x00,
+ USB_VIDEO_VS_PROBE_CONTROL = 0x01,
+ USB_VIDEO_VS_COMMIT_CONTROL = 0x02,
+ USB_VIDEO_VS_STILL_PROBE_CONTROL = 0x03,
+ USB_VIDEO_VS_STILL_COMMIT_CONTROL = 0x04,
+ USB_VIDEO_VS_STILL_IMAGE_TRIGGER_CONTROL = 0x05,
+ USB_VIDEO_VS_STREAM_ERROR_CODE_CONTROL = 0x06,
+ USB_VIDEO_VS_GENERATE_KEY_FRAME_CONTROL = 0x07,
+ USB_VIDEO_VS_UPDATE_FRAME_SEGMENT_CONTROL = 0x08,
+ USB_VIDEO_VS_SYNCH_DELAY_CONTROL = 0x09
+};
+
+
enum {
// USB Terminal Types
USB_VIDEO_VENDOR_USB_IO = 0x100,
@@ -96,7 +115,7 @@ enum {
};
-enum {
+enum { // Video Class-Specific Endpoint Descriptor Subtypes
EP_SUBTYPE_UNDEFINED = 0x00,
EP_SUBTYPE_GENERAL
= 0x01,
EP_SUBTYPE_ENDPOINT
= 0x02,
@@ -104,8 +123,189 @@ enum {
};
-// Class Specific Video Control Interface Header
-// 1.5: Table 3-3 p.48
+enum { // Terminal Control Selectors
+ USB_VIDEO_TE_CONTROL_UNDEFINED = 0x00
+};
+
+
+enum { // Selector Unit Control Selectors
+ USB_VIDEO_SU_CONTROL_UNDEFINED = 0x00,
+ USB_VIDEO_SU_INPUT_SELECT_CONTROL = 0x01
+};
+
+
+enum { // Video Class-Specific Request Codes
+ USB_VIDEO_RC_UNDEFINED = 0x00,
+ USB_VIDEO_RC_SET_CUR = 0x01,
+ USB_VIDEO_RC_GET_CUR = 0x81,
+ USB_VIDEO_RC_GET_MIN = 0x82,
+ USB_VIDEO_RC_GET_MAX = 0x83,
+ USB_VIDEO_RC_GET_RES = 0x84,
+ USB_VIDEO_RC_GET_LEN = 0x85,
+ USB_VIDEO_RC_GET_INFO = 0x86,
+ USB_VIDEO_RC_GET_DEF = 0x87
+};
+
+
+enum { // Camera Terminal Control Selectors
+ USB_VIDEO_CT_CONTROL_UNDEFINED = 0x00,
+ USB_VIDEO_CT_SCANNING_MODE_CONTROL = 0x01,
+ USB_VIDEO_CT_AE_MODE_CONTROL = 0x02,
+ USB_VIDEO_CT_AE_PRIORITY_CONTROL = 0x03,
+ USB_VIDEO_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL = 0x04,
+ USB_VIDEO_CT_EXPOSURE_TIME_RELATIVE_CONTROL = 0x05,
+ USB_VIDEO_CT_FOCUS_ABSOLUTE_CONTROL = 0x06,
+ USB_VIDEO_CT_FOCUS_RELATIVE_CONTROL = 0x07,
+ USB_VIDEO_CT_FOCUS_AUTO_CONTROL = 0x08,
+ USB_VIDEO_CT_IRIS_ABSOLUTE_CONTROL = 0x09,
+ USB_VIDEO_CT_IRIS_RELATIVE_CONTROL = 0x0A,
+ USB_VIDEO_CT_ZOOM_ABSOLUTE_CONTROL = 0x0B,
+ USB_VIDEO_CT_ZOOM_RELATIVE_CONTROL = 0x0C,
+ USB_VIDEO_CT_PANTILT_ABSOLUTE_CONTROL = 0x0D,
+ USB_VIDEO_CT_PANTILT_RELATIVE_CONTROL = 0x0E,
+ USB_VIDEO_CT_ROLL_ABSOLUTE_CONTROL = 0x0F,
+ USB_VIDEO_CT_ROLL_RELATIVE_CONTROL = 0x10,
+ USB_VIDEO_CT_PRIVACY_CONTROL = 0x11
+};
+
+
+enum { // Processing Unit Control Selectors
+ USB_VIDEO_PU_CONTROL_UNDEFINED
= 0x00,
+ USB_VIDEO_PU_BACKLIGHT_COMPENSATION_CONTROL = 0x01,
+ USB_VIDEO_PU_BRIGHTNESS_CONTROL
= 0x02,
+ USB_VIDEO_PU_CONTRAST_CONTROL
= 0x03,
+ USB_VIDEO_PU_GAIN_CONTROL
= 0x04,
+ USB_VIDEO_PU_POWER_LINE_FREQUENCY_CONTROL
= 0x05,
+ USB_VIDEO_PU_HUE_CONTROL
= 0x06,
+ USB_VIDEO_PU_SATURATION_CONTROL
= 0x07,
+ USB_VIDEO_PU_SHARPNESS_CONTROL
= 0x08,
+ USB_VIDEO_PU_GAMMA_CONTROL
= 0x09,
+ USB_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_CONTROL = 0x0A,
+ USB_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL = 0x0B,
+ USB_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_COMPONENT_CONTROL = 0x0C,
+ USB_VIDEO_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL = 0x0D,
+ USB_VIDEO_PU_DIGITAL_MULTIPLEXER_CONTROL
= 0x0E,
+ USB_VIDEO_PU_DIGITAL_MULTIPLEXER_LIMIT_CONTROL = 0x0F,
+ USB_VIDEO_PU_HUE_AUTO_CONTROL
= 0x10,
+ USB_VIDEO_PU_ANALOG_VIDEO_STANDARD_CONTROL
= 0x11,
+ USB_VIDEO_PU_ANALOG_LOCK_STATUS_CONTROL
= 0x12
+};
+
+
+enum { // Extension Unit Control Selectors
+ USB_VIDEO_XU_CONTROL_UNDEFINED = 0x00
+};
+
+
+typedef struct {
+ /* The orignator bitfield of the status_type struct can have the
+ following values: 0 = reserved, 1 = VideoControl interface,
+ 2 = VideoStreaming interface. */
+ struct status_type {
+ LBITFIELD8_2 (
+ originator: 4,
+ reserved: 4
+ );
+ } status_type;
+ /* The second common status_packet_format field orignator includes ID of
+ * the Terminal, Unit or Interface that reports the interrupt. */
+ uint8 originator;
+ union {
+ struct videocontrol_interface_as_orignator {
+ /* If the orginator bitfield value is 1 (VideoControl
interface)
+ * then third field of the status_packet_format is
event field that
+ * includes value 0x00 for control change. Other values
+ * (0x01 - 0xFF) are reserved. */
+ uint8 event;
+ /* The fourth field selector reports the Control
Selector of the
+ * control that have issued the interrupt. */
+ uint8 selector;
+ /* The fifth field attribute specifies the type of
control change:
+ * 0x00 is Control value change, 0x01 is Control info
change,
+ * 0x02 is Control failure change
+ * and values 0x03 - 0xFF are reserved. */
+ uint8 attribute;
+ /* After that can be several value fields that can
include values
+ * 0x00, 0x01 and 0x02. */
+ uint8 value[0];
+ } videocontrol_interface_as_orignator;
+ struct videostreaming_interface_as_originator {
+ /* If the originator bitfield value is 2
(VideoStreaming interface)
+ * then third field of the status_packet_format is
event field that
+ * can have value 0x00 (Button Press)
+ * or values 0x01 - 0xFF (Stream errors). */
+ uint8 event;
+ /* If event value is 0x00 (Button Press) there is only
one value
+ * field. It can include values 0x00 (Button released)
+ * or 0x01 (Button pressed). If event value was some
Stream error
+ * value, then there can be several value fields. */
+ uint8* value;
+ } videostreaming_interface_as_originator;
+ } originators;
+} _PACKED usb_video_status_packet_format;
+
+
+typedef struct {
+ uint8 length; // 9 bytes
+ uint8 descriptor_type;
+ uint8 interface_number;
+ uint8 alternate_setting;
+ uint8 num_endpoints;
+ uint8 interface_class;
+ uint8 interface_sub_class;
+ uint8 interface_protocol;
+ // Not used. Must be set to USB_VIDEO_PC_PROTOCOL_UNDEFINED
+ uint8 interface;
+} _PACKED usb_video_standard_vc_interface_descriptor;
+
+
+typedef struct {
+ uint8 length; // 8 bytes
+ uint8 descriptor_type;
+ uint8 first_interface;
+ uint8 interface_count;
+ uint8 function_class;
+ uint8 function_sub_class;
+ uint8 function_protocol;
+ // Not used. Must be set to USB_VIDEO_PC_PROTOCOL_UNDEFINED
+ uint8 function;
+} _PACKED usb_video_standard_video_interface_collection_iad;
+
+
+typedef struct {
+ uint8 length; // 6 bytes + nr_in_pins
+ uint8 descriptor_type;
+ uint8 descriptor_sub_type;
+ uint8 unit_id;
+ uint8 nr_in_pins;
+ uint8* source_id;
+ uint8 selector;
+} _PACKED usb_video_selector_unit_descriptor;
+
+
+typedef struct {
+ uint8 header_length;
+ struct header_info {
+ LBITFIELD8_8 (
+ frame_id: 1,
+ end_of_frame: 1,
+ presentation_time: 1,
+ source_clock_reference: 1,
+ reserved: 1,
+ still_image: 1,
+ error: 1,
+ end_of_header: 1
+ );
+ } _header_info;
+} _PACKED usb_video_payload_header_format;
+
+
+typedef struct {
+ uint32 presentation_time;
+ uint8 source_clock[6];
+} _PACKED usb_video_payload_header_format_extended_fields;
+
+
typedef struct {
uint8 length;
uint8 descriptor_type; // USB_AUDIO_CS_INTERFACE
@@ -118,6 +318,80 @@ typedef struct {
} _PACKED usb_videocontrol_header_descriptor;
+typedef struct {
+ uint8 length; // 24 bytes + nr_in_pins + control_size
+ uint8 descriptor_type;
+ uint8 descriptor_sub_type;
+ uint8 unit_id;
+ uint8 guid_extension_code[16];
+ uint8 num_controls;
+ uint8 nr_in_pins;
+ uint8 source_id[0];
+#if 0
+ // Remaining part of the structure can't be encoded because source_id
has
+ // a variable size
+ uint8 control_size;
+ struct controls {
+ LBITFIELD8_8 (
+ vendor_specific0 : 1,
+ vendor_specific1 : 1,
+ vendor_specific2 : 1,
+ vendor_specific3 : 1,
+ vendor_specific4 : 1,
+ vendor_specific5 : 1,
+ vendor_specific6 : 1,
+ vendor_specific7 : 1
+ );
+ } * _controls;
+ uint8 extension;
+#endif
+} _PACKED usb_video_extension_unit_descriptor;
+
+
+typedef struct {
+ uint8 length; // 7 bytes
+ uint8 descriptor_type;
+ struct end_point_address {
+ LBITFIELD8_3 (
+ endpoint_number: 4, // Determined by the
designer
+ reserved: 3, // Reserved. Set to zero.
+ direction: 1 // 0 = OUT, 1 = IN
+ );
+ } _end_point_address;
+ struct attributes {
+ LBITFIELD8_3 (
+ transfer_type: 2, // Must be set to 11
(Interrupt)
+ synchronization_type: 2, // Must be set to 00
(None)
+ reserved: 4 // Reserved. Must be set to zero
+ );
+ } _attributes;
+ uint16 max_packet_size;
+ uint8 interval;
+} _PACKED usb_video_vc_interrupt_endpoint_descriptor;
+
+
+typedef struct {
+ uint8 length; // 9 bytes
+ uint8 descriptor_type;
+ uint8 interface_number;
+ uint8 alternate_setting;
+ uint8 num_endpoints;
+ uint8 interface_class;
+ uint8 interface_sub_class;
+ uint8 interface_protocol;
+ // Not used. Must be set to USB_VIDEO_PC_PROTOCOL_UNDEFINED
+ uint8 interface;
+} _PACKED usb_video_standard_vs_interface_descriptor;
+
+
+typedef struct {
+ uint8 length; // 5 bytes
+ uint8 descriptor_type;
+ uint8 descriptor_sub_type;
+ uint16 max_transfer_size;
+} _PACKED usb_video_class_specific_vc_interrupt_endpoint_descriptor;
+
+
// Input Terminal Descriptor
// 1.5: Table 3-4, page 50
typedef struct {
@@ -141,6 +415,51 @@ typedef struct {
} _PACKED usb_video_input_terminal_descriptor;
+typedef struct {
+ uint8 length; // 13 bytes + (num_formats*control_size)
+ uint8 descriptor_type;
+ uint8 descriptor_sub_type;
+ uint8 num_formats;
+ uint16 total_length;
+ struct endpoint_address {
+ LBITFIELD8_3 (
+ endpoint_number: 4, // Determined by the
designer
+ reserved: 3, // Set to zero.
+ direction: 1 // 0 = OUT, 1 = IN
+ );
+ } _endpoint_address;
+ struct info {
+ LBITFIELD8_2 (
+ dynamic_format_change_support: 1,
+ reserved: 7 // Set to zero.
+ );
+ } _info;
+ uint8 terminal_link;
+ uint8 still_capture_method;
+ uint8 trigger_support;
+ uint8 trigger_usage;
+ uint8 control_size;
+ struct ma_controls {
+ // For four first bits, a bit set to 1 indicates that the named
field
+ // is supported by the Video Probe and Commit Control when
+ // its format_index is 1:
+ LBITFIELD8_7 (
+ key_frame_rate: 1,
+ p_frame_rate: 1,
+ comp_quality: 1,
+ comp_window_size: 1,
+ // For the next two bits, a bit set to 1
indicates that the named
+ // control is supported by the device when
+ // format_index is 1:
+ generate_key_frame: 1,
+ update_frame_segment: 1,
+ reserved: 2 // (control_size*8-1): Set to zero.
+ );
+ } * _ma_controls;
+} _PACKED usb_video_class_specific_vs_interface_input_header_descriptor;
+
+
+
// Output terminal descriptor
// 1.5: Table 3-5, page 51
typedef struct {
@@ -155,6 +474,36 @@ typedef struct {
} _PACKED usb_video_output_terminal_descriptor;
+typedef struct {
+ uint8 length; // 9 + (num_formats*control_size)
+ uint8 descriptor_type;
+ uint8 descriptor_sub_type;
+ uint8 num_formats;
+ uint16 total_length;
+ struct endpoint_address {
+ LBITFIELD8_3 (
+ endpoint_number: 4, // Determined by the
designer
+ reserved: 3, // Set to zero.
+ direction: 1 // 0 = OUT
+ );
+ } _endpoint_address;
+ uint8 terminal_link;
+ uint8 control_size;
+ struct ma_controls {
+ // For four first bits, a bit set to 1 indicates that the named
field
+ // is supported by the Video Probe and Commit Control when its
+ // format_index is 1:
+ LBITFIELD8_5 (
+ key_frame_rate: 1,
+ p_frame_rate: 1,
+ comp_quality: 1,
+ comp_window_size: 1,
+ reserved: 4 // (control_size*8-1) Set to zero.
+ );
+ } * _ma_controls;
+} _PACKED usb_video_class_specific_vs_interface_output_header_descriptor;
+
+
// Processing unit descriptor
// 1.5: Table 3-8, page 54
typedef struct {
@@ -165,13 +514,164 @@ typedef struct {
uint8 source_id;
uint16 max_multiplier;
uint8 control_size;
- uint8 controls[3];
- uint8 processing;
- uint8 video_standards;
+#if B_HOST_IS_LENDIAN
+ struct controls {
+ 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;
+ struct control_b {
+ LBITFIELD3 (
+ analog_video_standard: 1,
+ 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 */
