1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** USBX Component */ 17 /** */ 18 /** Video Class */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 24 /**************************************************************************/ 25 /* */ 26 /* COMPONENT DEFINITION RELEASE */ 27 /* */ 28 /* ux_device_class_video.h PORTABLE C */ 29 /* 6.3.0 */ 30 /* AUTHOR */ 31 /* */ 32 /* Chaoqiong Xiao, Microsoft Corporation */ 33 /* */ 34 /* DESCRIPTION */ 35 /* */ 36 /* This file contains all the header and extern functions used by the */ 37 /* USBX device video class. */ 38 /* */ 39 /* RELEASE HISTORY */ 40 /* */ 41 /* DATE NAME DESCRIPTION */ 42 /* */ 43 /* 04-25-2022 Chaoqiong Xiao Initial Version 6.1.11 */ 44 /* 10-31-2022 Chaoqiong Xiao Modified comment(s), */ 45 /* added standalone support, */ 46 /* resulting in version 6.2.0 */ 47 /* 10-31-2023 Yajun xia, CQ Xiao Modified comment(s), */ 48 /* added a new mode to manage */ 49 /* endpoint buffer in classes */ 50 /* with zero copy enabled, */ 51 /* added error checks support, */ 52 /* resulting in version 6.3.0 */ 53 /* */ 54 /**************************************************************************/ 55 56 #ifndef UX_DEVICE_CLASS_VIDEO_H 57 #define UX_DEVICE_CLASS_VIDEO_H 58 59 /* Determine if a C++ compiler is being used. If so, ensure that standard 60 C is used to process the API information. */ 61 62 #ifdef __cplusplus 63 64 /* Yes, C++ compiler is present. Use standard C. */ 65 extern "C" { 66 67 #endif 68 69 /* Internal option: enable the basic USBX error checking. This define is typically used 70 while debugging application. */ 71 #if defined(UX_ENABLE_ERROR_CHECKING) && !defined(UX_DEVICE_CLASS_VIDEO_ENABLE_ERROR_CHECKING) 72 #define UX_DEVICE_CLASS_VIDEO_ENABLE_ERROR_CHECKING 73 #endif 74 75 /* Define options. */ 76 77 #define UX_DEVICE_CLASS_VIDEO_THREAD_STACK_SIZE UX_THREAD_STACK_SIZE 78 79 /* Define external static data. */ 80 81 extern UCHAR _ux_system_device_class_video_name[]; 82 83 84 /* Define IOCTL code. 85 ux_device_class_video_ioctl(video, IOCTL_CODE, parameter). 86 */ 87 88 #define UX_DEVICE_CLASS_VIDEO_IOCTL_GET_ARG 0x01 89 90 91 /* Define Video Class main constants. */ 92 93 #define UX_DEVICE_CLASS_VIDEO_CLASS 0x0e 94 #define UX_DEVICE_CLASS_VIDEO_SUBCLASS_UNDEFINED 0 95 #define UX_DEVICE_CLASS_VIDEO_SUBCLASS_CONTROL 1 96 #define UX_DEVICE_CLASS_VIDEO_SUBCLASS_STREAMING 2 97 #define UX_DEVICE_CLASS_VIDEO_SUBCLASS_INTERFACE_COLLECTION 3 98 99 /* Class Code (CC). */ 100 #define UX_DEVICE_CLASS_VIDEO_CC_VIDEO 0x0e 101 102 /* Subclass Code (SC). */ 103 #define UX_DEVICE_CLASS_VIDEO_SC_UNDEFINED 0 104 #define UX_DEVICE_CLASS_VIDEO_SC_CONTROL 1 105 #define UX_DEVICE_CLASS_VIDEO_SC_STREAMING 2 106 #define UX_DEVICE_CLASS_VIDEO_SC_INTERFACE_COLLECTION 3 107 108 /* Protocol Code. */ 109 #define UX_DEVICE_CLASS_VIDEO_PC_PROTOCOL_UNDEFINED 0 110 #define UX_DEVICE_CLASS_VIDEO_PC_PROTOCOL_15 0 111 112 113 /* Define Video Class-Specific (CS) descriptor types. */ 114 #define UX_DEVICE_CLASS_VIDEO_CS_UNDEFINED 0x20 115 #define UX_DEVICE_CLASS_VIDEO_CS_DEVICE 0x21 116 #define UX_DEVICE_CLASS_VIDEO_CS_CONFIGURATION 0x22 117 #define UX_DEVICE_CLASS_VIDEO_CS_STRING 0x23 118 #define UX_DEVICE_CLASS_VIDEO_CS_INTERFACE 0x24 119 #define UX_DEVICE_CLASS_VIDEO_CS_ENDPOINT 0x25 120 121 122 /* Define Video Class specific Video Control (VC) interface descriptor subtypes. */ 123 #define UX_DEVICE_CLASS_VIDEO_VC_DESCRIPTOR_UNDEFINED 0x00 124 #define UX_DEVICE_CLASS_VIDEO_VC_HEADER 0x01 125 #define UX_DEVICE_CLASS_VIDEO_VC_INPUT_TERMINAL 0x02 126 #define UX_DEVICE_CLASS_VIDEO_VC_OUTPUT_TERMINAL 0x03 127 #define UX_DEVICE_CLASS_VIDEO_VC_SELECTOR_UNIT 0x04 128 #define UX_DEVICE_CLASS_VIDEO_VC_PROCESSING_UNIT 0x05 129 #define UX_DEVICE_CLASS_VIDEO_VC_EXTENSION_UNIT 0x06 130 #define UX_DEVICE_CLASS_VIDEO_VC_ENCODING_UNIT 0x07 131 132 133 /* Define Video Class specific Video Stream (VS) interface descriptor subtypes. */ 134 #define UX_DEVICE_CLASS_VIDEO_VS_UNDEFINED 0x00 135 #define UX_DEVICE_CLASS_VIDEO_VS_INPUT_HEADER 0x01 136 #define UX_DEVICE_CLASS_VIDEO_VS_OUTPUT_HEADER 0x02 137 #define UX_DEVICE_CLASS_VIDEO_VS_STILL_IMAGE_FRAME 0x03 138 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_UNCOMPRESSED 0x04 139 #define UX_DEVICE_CLASS_VIDEO_VS_FRAME_UNCOMPRESSED 0x05 140 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_MJPEG 0x06 141 #define UX_DEVICE_CLASS_VIDEO_VS_FRAME_MJPEG 0x07 142 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_MPEG2TS 0x0A 143 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_DV 0x0C 144 #define UX_DEVICE_CLASS_VIDEO_VS_COLORFORMAT 0x0D 145 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_FRAME_BASED 0x10 146 #define UX_DEVICE_CLASS_VIDEO_VS_FRAME_FRAME_BASED 0x11 147 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_STREAM_BASED 0x12 148 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_H264 0x13 149 #define UX_DEVICE_CLASS_VIDEO_VS_FRAME_H264 0x14 150 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_H264_SIMULCAST 0x15 151 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_VP8 0x16 152 #define UX_DEVICE_CLASS_VIDEO_VS_FRAME_VP8 0x17 153 #define UX_DEVICE_CLASS_VIDEO_VS_FORMAT_VP8_SIMULCAST 0x18 154 155 156 /* Define Video Class specific Endpoint (EP) descriptor subtypes. */ 157 #define UX_DEVICE_CLASS_VIDEO_EP_UNDEFINED 0x00 158 #define UX_DEVICE_CLASS_VIDEO_EP_GENERAL 0x01 159 #define UX_DEVICE_CLASS_VIDEO_EP_ENDPOINT 0x02 160 #define UX_DEVICE_CLASS_VIDEO_EP_INTERRUPT 0x03 161 162 163 /* Define Video Control Selector Codes. */ 164 165 /* Define VideoControl (VC) Interface Control Selector Codes. */ 166 #define UX_DEVICE_CLASS_VIDEO_VC_CONTROL_UNDEFINED 0x00 167 #define UX_DEVICE_CLASS_VIDEO_VC_VIDEO_POWER_MODE_CONTROL 0x01 168 #define UX_DEVICE_CLASS_VIDEO_VC_REQUEST_ERROR_CODE_CONTROL 0x02 169 170 /* Define Terminal Control (TE) Selectors. */ 171 #define UX_DEVICE_CLASS_VIDEO_TE_CONTROL_UNDEFINED 0x00 172 173 /* Define Selector Unit (SU) Control Selectors. */ 174 #define UX_DEVICE_CLASS_VIDEO_SU_CONTROL_UNDEFINED 0x00 175 #define UX_DEVICE_CLASS_VIDEO_SU_INPUT_SELECT_CONTROL 0x01 176 177 /* Define Camera Terminal (CT) Control Selectors. */ 178 #define UX_DEVICE_CLASS_VIDEO_CT_CONTROL_UNDEFINED 0x00 179 #define UX_DEVICE_CLASS_VIDEO_CT_SCANNING_MODE_CONTROL 0x01 180 #define UX_DEVICE_CLASS_VIDEO_CT_AE_MODE_CONTROL 0x02 181 #define UX_DEVICE_CLASS_VIDEO_CT_AE_PRIORITY_CONTROL 0x03 182 #define UX_DEVICE_CLASS_VIDEO_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04 183 #define UX_DEVICE_CLASS_VIDEO_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05 184 #define UX_DEVICE_CLASS_VIDEO_CT_FOCUS_ABSOLUTE_CONTROL 0x06 185 #define UX_DEVICE_CLASS_VIDEO_CT_FOCUS_RELATIVE_CONTROL 0x07 186 #define UX_DEVICE_CLASS_VIDEO_CT_FOCUS_AUTO_CONTROL 0x08 187 #define UX_DEVICE_CLASS_VIDEO_CT_IRIS_ABSOLUTE_CONTROL 0x09 188 #define UX_DEVICE_CLASS_VIDEO_CT_IRIS_RELATIVE_CONTROL 0x0A 189 #define UX_DEVICE_CLASS_VIDEO_CT_ZOOM_ABSOLUTE_CONTROL 0x0B 190 #define UX_DEVICE_CLASS_VIDEO_CT_ZOOM_RELATIVE_CONTROL 0x0C 191 #define UX_DEVICE_CLASS_VIDEO_CT_PANTILT_ABSOLUTE_CONTROL 0x0D 192 #define UX_DEVICE_CLASS_VIDEO_CT_PANTILT_RELATIVE_CONTROL 0x0E 193 #define UX_DEVICE_CLASS_VIDEO_CT_ROLL_ABSOLUTE_CONTROL 0x0F 194 #define UX_DEVICE_CLASS_VIDEO_CT_ROLL_RELATIVE_CONTROL 0x10 195 #define UX_DEVICE_CLASS_VIDEO_CT_PRIVACY_CONTROL 0x11 196 #define UX_DEVICE_CLASS_VIDEO_CT_FOCUS_SIMPLE_CONTROL 0x12 197 #define UX_DEVICE_CLASS_VIDEO_CT_WINDOW_CONTROL 0x13 198 #define UX_DEVICE_CLASS_VIDEO_CT_REGION_OF_INTEREST_CONTROL 0x14 199 200 /* Define Processing Unit (PU) Control Selectors. */ 201 #define UX_DEVICE_CLASS_VIDEO_PU_CONTROL_UNDEFINED 0x00 202 #define UX_DEVICE_CLASS_VIDEO_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01 203 #define UX_DEVICE_CLASS_VIDEO_PU_BRIGHTNESS_CONTROL 0x02 204 #define UX_DEVICE_CLASS_VIDEO_PU_CONTRAST_CONTROL 0x03 205 #define UX_DEVICE_CLASS_VIDEO_PU_GAIN_CONTROL 0x04 206 #define UX_DEVICE_CLASS_VIDEO_PU_POWER_LINE_FREQUENCY_CONTROL 0x05 207 #define UX_DEVICE_CLASS_VIDEO_PU_HUE_CONTROL 0x06 208 #define UX_DEVICE_CLASS_VIDEO_PU_SATURATION_CONTROL 0x07 209 #define UX_DEVICE_CLASS_VIDEO_PU_SHARPNESS_CONTROL 0x08 210 #define UX_DEVICE_CLASS_VIDEO_PU_GAMMA_CONTROL 0x09 211 #define UX_DEVICE_CLASS_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0A 212 #define UX_DEVICE_CLASS_VIDEO_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0B 213 #define UX_DEVICE_CLASS_VIDEO_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0C 214 #define UX_DEVICE_CLASS_VIDEO_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0D 215 #define UX_DEVICE_CLASS_VIDEO_PU_DIGITAL_MULTIPLIER_CONTROL 0x0E 216 #define UX_DEVICE_CLASS_VIDEO_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0F 217 #define UX_DEVICE_CLASS_VIDEO_PU_HUE_AUTO_CONTROL 0x10 218 #define UX_DEVICE_CLASS_VIDEO_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11 219 #define UX_DEVICE_CLASS_VIDEO_PU_ANALOG_LOCK_STATUS_CONTROL 0x12 220 #define UX_DEVICE_CLASS_VIDEO_PU_CONTRAST_AUTO_CONTROL 0x13 221 222 /* Define eXtension Unit (XU) Control Selectors. */ 223 #define UX_DEVICE_CLASS_VIDEO_XU_CONTROL_UNDEFINED 0x00 224 225 /* Define VideoStreaming (VS) Interface Control Selectors. */ 226 #define UX_DEVICE_CLASS_VIDEO_VS_CONTROL_UNDEFINED 0x00 227 #define UX_DEVICE_CLASS_VIDEO_VS_PROBE_CONTROL 0x01 228 #define UX_DEVICE_CLASS_VIDEO_VS_COMMIT_CONTROL 0x02 229 #define UX_DEVICE_CLASS_VIDEO_VS_STILL_PROBE_CONTROL 0x03 230 #define UX_DEVICE_CLASS_VIDEO_VS_STILL_COMMIT_CONTROL 0x04 231 #define UX_DEVICE_CLASS_VIDEO_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05 232 #define UX_DEVICE_CLASS_VIDEO_VS_STREAM_ERROR_CODE_CONTROL 0x06 233 #define UX_DEVICE_CLASS_VIDEO_VS_GENERATE_KEY_FRAME_CONTROL 0x07 234 #define UX_DEVICE_CLASS_VIDEO_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08 235 #define UX_DEVICE_CLASS_VIDEO_VS_SYNCH_DELAY_CONTROL 0x09 236 237 238 /* Define USB Video Class terminal types. */ 239 240 /* Define USB Terminal Types (TT). */ 241 #define UX_DEVICE_CLASS_VIDEO_TT_VENDOR_SPECIFIC 0x0100 242 #define UX_DEVICE_CLASS_VIDEO_TT_STREAMING 0x0101 243 244 /* Define USB Input Terminal Types (ITT). */ 245 #define UX_DEVICE_CLASS_VIDEO_ITT_VENDOR_SPECIFIC 0x0200 246 #define UX_DEVICE_CLASS_VIDEO_ITT_CAMERA 0x0201 247 #define UX_DEVICE_CLASS_VIDEO_ITT_MEDIA_TRANSPORT_INPUT 0x0202 248 249 /* Define USB Output Terminal Types (OTT). */ 250 #define UX_DEVICE_CLASS_VIDEO_OTT_VENDOR_SPECIFIC 0x0300 251 #define UX_DEVICE_CLASS_VIDEO_OTT_DISPLAY 0x0301 252 #define UX_DEVICE_CLASS_VIDEO_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302 253 254 /* Define USB External Terminal Types (XTT). */ 255 #define UX_DEVICE_CLASS_VIDEO_XTT_EXTERNAL_VENDOR_SPECIFIC 0x0400 256 #define UX_DEVICE_CLASS_VIDEO_XTT_COMPOSITE_CONNECTOR 0x0401 257 #define UX_DEVICE_CLASS_VIDEO_XTT_SVIDEO_CONNECTOR 0x0402 258 #define UX_DEVICE_CLASS_VIDEO_XTT_COMPONENT_CONNECTOR 0x0403 259 260 261 /* Video Class GET_INFO Capabilities and status structs and definitions. */ 262 263 #define UX_DEVICE_CLASS_VIDEO_INFO_GET_REQUEST_SUPPORT (1u << 0) 264 #define UX_DEVICE_CLASS_VIDEO_INFO_SET_REQUEST_SUPPORT (1u << 1) 265 #define UX_DEVICE_CLASS_VIDEO_INFO_DISABLED_DUE_TO_AUTO_MODE (1u << 2) 266 #define UX_DEVICE_CLASS_VIDEO_INFO_AUTOUPDATE_CONTROL (1u << 3) 267 #define UX_DEVICE_CLASS_VIDEO_INFO_ASYNCHRONOUS_CONTROL (1u << 4) 268 #define UX_DEVICE_CLASS_VIDEO_INFO_DISABLED_DUE_TO_STATE (1u << 5) 269 270 271 /* Video Class Probe and Commit Controls structs and definitions. */ 272 typedef struct UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_STRUCT 273 { 274 union UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_bmHint_UNION { 275 USHORT value; 276 struct UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_bmHint_STRUCT { 277 USHORT dwFrameInterval:1; 278 USHORT wKeyFrameRate:1; 279 USHORT wPFrameRate:1; 280 USHORT wCompQuality:1; 281 USHORT wCompWindowSize:1; 282 } bm; 283 } bmHint; 284 UCHAR bFormatIndex; 285 UCHAR bFrameIndex; 286 ULONG dwFrameInterval; 287 USHORT wKeyFrameRate; 288 USHORT wPFrameRate; 289 USHORT wCompQuality; 290 USHORT wCompWindowSize; 291 USHORT wDelay; 292 UCHAR dwMaxVideoFrameSize[4]; /* Not alignend from now on. */ 293 UCHAR dwMaxPayloadTransferSize[4]; 294 UCHAR dwClockFrequency[4]; 295 union UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_bmFramingInfo_UNION { 296 UCHAR value; 297 struct UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_bmFramingInfo_STRUCT { 298 UCHAR FID_required:1; 299 UCHAR EOF_may_present:1; 300 UCHAR EOS_may_present:1; 301 } bm; 302 } bmFramingInfo; 303 UCHAR bPreferedVersion; 304 UCHAR bMinVersion; 305 UCHAR bMaxVersion; 306 307 /* Start from offset 34, additional fields introduced in UVC 1.5. */ 308 UCHAR bUsage; 309 UCHAR bBitDepthLuma; 310 UCHAR bmSettings; 311 UCHAR bMaxNumberOfRefFramesPlus1; 312 union UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_bmRateControlModes_UNION { 313 USHORT value; 314 struct UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_bmRateControlModes_STRUCT { 315 USHORT rate_ctrl_mode_0:4; 316 USHORT rate_ctrl_mode_1:4; 317 USHORT rate_ctrl_mode_2:4; 318 USHORT rate_ctrl_mode_3:4; 319 } bm; 320 } bmRateControlModes; 321 UCHAR bmLayoutPerStream; 322 } UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL; 323 324 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_HINT_OFFSET 0 325 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_HINT_FRAME_INTERVAL (1U<<0) 326 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_HINT_KEY_FRAME_RATE (1U<<1) 327 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_HINT_KEY_P_FRAME_RATE (1U<<2) 328 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_HINT_COMP_QUALITY (1U<<3) 329 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_HINT_COMP_WINDOW_SIZE (1U<<4) 330 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FORMAT_INDEX_OFFSET 2 331 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FRAME_INDEX_OFFSET 3 332 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FRAME_INTERVAL_OFFSET 4 333 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_KEY_FRAME_RATE_OFFSET 8 334 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_P_FRAME_RATE_OFFSET 10 335 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_COMP_QUALITY_OFFSET 12 336 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_COMP_WINDOW_SIZE_OFFSET 14 337 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_DELAY_OFFSET 16 338 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_MAX_VIDEO_FRAME_SIZE_OFFSET 18 339 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_MAX_PAYLOAD_TRANSFER_SIZE_OFFSET 22 340 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_CLOCK_FREQUENCY_OFFSET 26 341 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FRAMING_INFO_OFFSET 30 342 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FRAMING_INFO_FID_REQUIRED (1U<<0) 343 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FRAMING_INFO_EOF_MAY_PRESENT (1U<<1) 344 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_FRAMING_INFO_EOS_MAY_PRESENT (1U<<2) 345 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_PREFERED_VERSION_OFFSET 31 346 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_MIN_VERSION_OFFSET 32 347 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_MAX_VERSION_OFFSET 33 348 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_USAGE_OFFSET 34 349 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_BIT_DEPTH_LUMA_OFFSET 35 350 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_SETTINGS_OFFSET 36 351 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_MAX_N_OF_FRAMES_PLUS1_OFFSET 37 352 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODES_OFFSET 38 353 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_NOT_APPLICABLE 0U 354 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_VBR_WITH_UNDERFLOW 1U 355 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_CBR 2U 356 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_CONSTANT_QP 3U 357 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_GLOBAL_VBR_WITH_UNDERFLOW 4U 358 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_VBR 5U 359 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_RATE_CONTROL_MODE_GLOBAL_VBR 6U 360 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CONTROL_LAYOUT_PER_STREAM_OFFSET 40 361 362 363 /* Video Class Still Probe and Commit Controls structs and definitions. */ 364 typedef struct UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL_STRUCT 365 { 366 UCHAR bFormatIndex; 367 UCHAR bFrameIndex; 368 UCHAR bCompressionIndex; 369 UCHAR dwMaxVideoFrameSize[4]; /* Not aligned from now. */ 370 UCHAR dwMaxPayloadTransferSize[4]; 371 } UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL; 372 #define UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL_FORMAT_INDEX_OFFSET 0 373 #define UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL_FRAME_INDEX_OFFSET 1 374 #define UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL_COMPRESSION_INDEX_OFFSET 2 375 #define UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL_MAX_VIDEO_FRAME_SIZE_OFFSET 3 376 #define UX_DEVICE_CLASS_VIDEO_STILL_PROBE_COMMIT_CONTROL_MAX_PAYLOAD_TRANSFER_SIZE_OFFSET 7 377 378 379 /* Video Class Status Packet structs and definitions. */ 380 381 /* Offsets and possible values. */ 382 typedef struct UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_HEADER_STRUCT 383 { 384 UCHAR bStatusType; 385 UCHAR bOriginator; 386 } UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_HEADER; 387 typedef struct UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VC_STRUCT 388 { 389 UCHAR bStatusType; 390 UCHAR bOriginator; 391 UCHAR bEvent; 392 UCHAR bSelector; 393 UCHAR bAttribute; 394 UCHAR bValue[1]; /* varies on bAttribute. */ 395 } UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VC; 396 typedef struct UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VS_STRUCT 397 { 398 UCHAR bStatusType; 399 UCHAR bOriginator; 400 UCHAR bEvent; 401 UCHAR bValue[1]; /* varies on bEvent. */ 402 } UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VS; 403 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_TYPE_OFFSET 0 404 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_TYPE_VC 1 405 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_TYPE_VS 2 406 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_ORIGINATOR_OFFSET 1 407 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_EVENT_OFFSET 2 408 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VC_SELECTOR_OFFSET 3 409 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VC_ATTRIBUTE_OFFSET 4 410 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VC_VALUE_OFFSET 5 411 #define UX_DEVICE_CLASS_VIDEO_STATUS_PACKET_VS_VALUE_OFFSET 3 412 413 414 /* Define Video Class Payload Header structs and definitions. */ 415 typedef struct UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_STRUCT 416 { 417 UCHAR bHeaderLength; 418 union UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_INFO_UNION { 419 UCHAR value; 420 struct UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_INFO_STRUCT { 421 UCHAR bFID:1; /* Frame ID. */ 422 UCHAR bEOF:1; /* End of Frame. */ 423 UCHAR bPTS:1; /* Presentation Time. */ 424 UCHAR bSCR:1; /* Source Clock Reference. */ 425 UCHAR bRES:1; /* Reserved, Payload Specific. */ 426 UCHAR bSTI:1; /* Still Image. */ 427 UCHAR bERR:1; /* Error. */ 428 UCHAR bEOH:1; /* End of Header. */ 429 } bm; 430 } bmHeaderInfo; 431 UCHAR dwPresentationTime[4]; 432 union UX_DEVICE_CLASS_VIDEO_PAYLOAD_SCR_UNION { 433 UCHAR byte_array[6]; 434 struct UX_DEVICE_CLASS_VIDEO_PAYLOAD_SCR_STRUCT { 435 UCHAR STC[4]; /* SourceTimeClock. */ 436 USHORT SCR; /* 1KHz SOF token counter. */ 437 } bm; 438 } scrSourceClock; 439 } UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER; 440 #define UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_LENGTH_OFFSET 0 441 #define UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_INFO_OFFSET 1 442 #define UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_PRESENTATION_TIME_OFFSET 4 443 #define UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_PTS_OFFSET 4 444 #define UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_SCR_SOURCE_CLOCK_OFFSET 6 445 #define UX_DEVICE_CLASS_VIDEO_PAYLOAD_HEADER_SCR_OFFSET 6 446 447 448 /* Define Video Class specific request codes. */ 449 #define UX_DEVICE_CLASS_VIDEO_REQUEST_CODE_UNDEFINED 0x00 450 #define UX_DEVICE_CLASS_VIDEO_RC_UNDEFINED 0x00 451 #define UX_DEVICE_CLASS_VIDEO_SET_CUR 0x01 452 #define UX_DEVICE_CLASS_VIDEO_GET_CUR 0x81 453 #define UX_DEVICE_CLASS_VIDEO_GET_MIN 0x82 454 #define UX_DEVICE_CLASS_VIDEO_GET_MAX 0x83 455 #define UX_DEVICE_CLASS_VIDEO_GET_RES 0x84 456 #define UX_DEVICE_CLASS_VIDEO_GET_INFO 0x86 457 #define UX_DEVICE_CLASS_VIDEO_GET_DEF 0x87 458 #define UX_DEVICE_CLASS_VIDEO_GET_CUR_ALL 0x91 459 #define UX_DEVICE_CLASS_VIDEO_GET_MIN_ALL 0x92 460 #define UX_DEVICE_CLASS_VIDEO_GET_MAX_ALL 0x93 461 #define UX_DEVICE_CLASS_VIDEO_GET_RES_ALL 0x94 462 #define UX_DEVICE_CLASS_VIDEO_GET_GET_DEF_ALL 0x97 463 464 465 /* Define Video Class Device Power Modes. */ 466 #define UX_DEVICE_CLASS_VIDEO_POWER_MODE_MASK 0x0Fu 467 #define UX_DEVICE_CLASS_VIDEO_POWER_MODE_FULL 0x00u 468 #define UX_DEVICE_CLASS_VIDEO_POWER_MODE_DEVICE_DEPENDENT 0x01u 469 #define UX_DEVICE_CLASS_VIDEO_POWER_DEPENDENT_MODE_SUPPORTED 0x10u 470 #define UX_DEVICE_CLASS_VIDEO_POWER_USES_USB 0x20u 471 #define UX_DEVICE_CLASS_VIDEO_POWER_USES_BATTERY 0x40u 472 #define UX_DEVICE_CLASS_VIDEO_POWER_USES_AC 0x80u 473 474 475 /* Define Video Class Request Error Codes. */ 476 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_NO_ERROR 0x00 477 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_NOT_READY 0x01 478 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_WRONG_STATE 0x02 479 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_POWER 0x03 480 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_OUT_OF_RANGE 0x04 481 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_INVALID_INPUT 0x05 482 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_INVALID_CONTROL 0x06 483 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_INVALID_REQUEST 0x07 484 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_INVALID_VALUE_WITHIN_RANGE 0x08 485 #define UX_DEVICE_CLASS_VIDEO_REQUEST_ERROR_CODE_UNKNOWN 0xFF 486 487 488 /* Define Video Class Probe and Commit Controls */ 489 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_LENGTH_1_1 34 490 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_LENGTH_1_5 48 491 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_HINT_OFFSET 0 492 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_FORMAT_INDEX_OFFSET 2 493 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_FRAME_INDEX_OFFSET 3 494 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_FRAME_INTERVAL_OFFSET 4 495 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_KEY_FRAME_RATE_OFFSET 8 496 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_PFRAME_RAE_OFFSET 10 497 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_COMP_QUALITY_OFFSET 12 498 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_COMP_WINDOW_SIZE_OFFSET 14 499 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_DELAY_OFFSET 16 500 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_MAX_VIDEO_FRAME_SIZE_OFFSET 18 501 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_MAX_PAYLOAD_TRANSFER_SIZE_OFFSET 22 502 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_CLOCK_FREQUENCY_OFFSET 26 503 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_FRAMING_INFO_OFFSET 30 504 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_PREFERED_VERSION_OFFSET 31 505 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_MIN_VERSION_OFFSET 32 506 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_MAX_VERSION_OFFSET 33 507 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_USAGE_OFFSET 34 508 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_BIT_DEPTH_LUMA_OFFSET 35 509 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_SETTINGS_OFFSET 36 510 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_MAX_NUMBER_OF_REF_FRAMES_PLUS1_OFFSET 37 511 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_RATE_CONTROL_MODES_OFFSET 38 512 #define UX_DEVICE_CLASS_VIDEO_PROBE_COMMIT_LAYOUT_PER_STREAM_OFFSET 40 513 514 515 /* Define Video Class Stream Error Codes. */ 516 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_NO_ERROR 0 517 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_PROTECTED_CONTENT 1 518 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_INPUT_BUFFER_UNDERRUN 2 519 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_DATA_DISCONTINUITY 3 520 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_OUTPUT_BUFFER_UNDERRUN 4 521 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_OUTPUT_BUFFER_OVERRUN 5 522 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_FORMAT_CHANGE 6 523 #define UX_DEVICE_CLASS_VIDEO_STREAM_ERROR_CODE_STILL_IMAGE_CAPTURE_ERROR 7 524 525 526 /* Define Video Class Task states. */ 527 #define UX_DEVICE_CLASS_VIDEO_STREAM_RW_STOP (UX_STATE_RESET) 528 #define UX_DEVICE_CLASS_VIDEO_STREAM_RW_START (UX_STATE_STEP + 1) 529 #define UX_DEVICE_CLASS_VIDEO_STREAM_RW_WAIT (UX_STATE_STEP + 2) 530 531 532 /* Define Video Class callback structure. */ 533 534 struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT; 535 struct UX_DEVICE_CLASS_VIDEO_STRUCT; 536 537 typedef struct UX_DEVICE_CLASS_VIDEO_CALLBACKS_STRUCT 538 { 539 540 VOID (*ux_slave_class_video_instance_activate)(VOID *); 541 VOID (*ux_slave_class_video_instance_deactivate)(VOID *); 542 UINT (*ux_device_class_video_request)(struct UX_DEVICE_CLASS_VIDEO_STRUCT *, UX_SLAVE_TRANSFER *); 543 VOID *ux_device_class_video_arg; 544 } UX_DEVICE_CLASS_VIDEO_CALLBACKS; 545 546 typedef struct UX_DEVICE_CLASS_VIDEO_STREAM_CALLBACKS_STRUCT 547 { 548 VOID (*ux_device_class_video_stream_change)(struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT *, ULONG); 549 UINT (*ux_device_class_video_stream_request)(struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT *, UX_SLAVE_TRANSFER *); 550 VOID (*ux_device_class_video_stream_payload_done)(struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT *, ULONG); 551 } UX_DEVICE_CLASS_VIDEO_STREAM_CALLBACKS; 552 553 554 /* Define Video Class Calling Parameter structure */ 555 556 typedef struct UX_DEVICE_CLASS_VIDEO_PAYLOAD_STRUCT 557 { 558 559 ULONG ux_device_class_video_payload_length; 560 UCHAR ux_device_class_video_payload_data[4]; /* Actually size of length. */ 561 } UX_DEVICE_CLASS_VIDEO_PAYLOAD; 562 563 typedef struct UX_DEVICE_CLASS_VIDEO_STREAM_PARAMETER_STRUCT 564 { 565 #if defined(UX_DEVICE_STANDALONE) 566 UINT (*ux_device_class_video_stream_parameter_task_function)(struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT*); 567 #else 568 ULONG ux_device_class_video_stream_parameter_thread_stack_size; 569 VOID (*ux_device_class_video_stream_parameter_thread_entry)(ULONG id); 570 #endif 571 UX_DEVICE_CLASS_VIDEO_STREAM_CALLBACKS ux_device_class_video_stream_parameter_callbacks; 572 573 ULONG ux_device_class_video_stream_parameter_max_payload_buffer_size; 574 ULONG ux_device_class_video_stream_parameter_max_payload_buffer_nb; 575 } UX_DEVICE_CLASS_VIDEO_STREAM_PARAMETER; 576 577 typedef struct UX_DEVICE_CLASS_VIDEO_PARAMETER_STRUCT 578 { 579 ULONG ux_device_class_video_parameter_master_interface; 580 UX_DEVICE_CLASS_VIDEO_CALLBACKS ux_device_class_video_parameter_callbacks; 581 582 ULONG ux_device_class_video_parameter_streams_nb; 583 UX_DEVICE_CLASS_VIDEO_STREAM_PARAMETER *ux_device_class_video_parameter_streams; 584 } UX_DEVICE_CLASS_VIDEO_PARAMETER; 585 586 typedef struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT 587 { 588 589 struct UX_DEVICE_CLASS_VIDEO_STRUCT *ux_device_class_video_stream_video; 590 UX_SLAVE_INTERFACE *ux_device_class_video_stream_interface; 591 UX_SLAVE_ENDPOINT *ux_device_class_video_stream_endpoint; 592 593 ULONG ux_device_class_video_stream_error; 594 595 UX_DEVICE_CLASS_VIDEO_STREAM_CALLBACKS ux_device_class_video_stream_callbacks; 596 597 #if !defined(UX_DEVICE_STANDALONE) 598 UCHAR *ux_device_class_video_stream_thread_stack; 599 UX_THREAD ux_device_class_video_stream_thread; 600 #else 601 UINT (*ux_device_class_video_stream_task_function)(struct UX_DEVICE_CLASS_VIDEO_STREAM_STRUCT*); 602 UINT ux_device_class_video_stream_task_state; 603 UINT ux_device_class_video_stream_task_status; 604 #endif 605 606 ULONG ux_device_class_video_stream_buffer_error_count; 607 UCHAR *ux_device_class_video_stream_buffer; 608 ULONG ux_device_class_video_stream_buffer_size; 609 ULONG ux_device_class_video_stream_payload_buffer_size; 610 611 UX_DEVICE_CLASS_VIDEO_PAYLOAD *ux_device_class_video_stream_transfer_pos; 612 UX_DEVICE_CLASS_VIDEO_PAYLOAD *ux_device_class_video_stream_access_pos; 613 } UX_DEVICE_CLASS_VIDEO_STREAM; 614 #define _ux_device_class_video_stream_error_set(s,e) do { \ 615 (s)->ux_device_class_video_stream_error = (e); \ 616 } while(0) 617 618 typedef struct UX_DEVICE_CLASS_VIDEO_STRUCT 619 { 620 621 UX_SLAVE_CLASS *ux_device_class_video_class; 622 UX_SLAVE_DEVICE *ux_device_class_video_device; 623 UX_SLAVE_INTERFACE *ux_device_class_video_interface; 624 625 ULONG ux_device_class_video_error; 626 627 UX_DEVICE_CLASS_VIDEO_CALLBACKS ux_device_class_video_callbacks; 628 629 ULONG ux_device_class_video_streams_nb; 630 UX_DEVICE_CLASS_VIDEO_STREAM *ux_device_class_video_streams; 631 632 } UX_DEVICE_CLASS_VIDEO; 633 #define _ux_device_class_video_request_error_set(v,e) do { \ 634 (v)->ux_device_class_video_error = (e); \ 635 } while(0) 636 637 638 /* Define Video Class function prototypes. */ 639 640 UINT _ux_device_class_video_initialize(UX_SLAVE_CLASS_COMMAND *command); 641 UINT _ux_device_class_video_uninitialize(UX_SLAVE_CLASS_COMMAND *command); 642 UINT _ux_device_class_video_activate(UX_SLAVE_CLASS_COMMAND *command); 643 UINT _ux_device_class_video_change(UX_SLAVE_CLASS_COMMAND *command); 644 UINT _ux_device_class_video_deactivate(UX_SLAVE_CLASS_COMMAND *command); 645 UINT _ux_device_class_video_control_request(UX_SLAVE_CLASS_COMMAND *command); 646 647 UINT _ux_device_class_video_entry(UX_SLAVE_CLASS_COMMAND *command); 648 649 UINT _ux_device_class_video_ioctl(UX_DEVICE_CLASS_VIDEO *video, ULONG ioctl_function, 650 VOID *parameter); 651 652 UINT _ux_device_class_video_stream_get(UX_DEVICE_CLASS_VIDEO *video, ULONG stream_index, UX_DEVICE_CLASS_VIDEO_STREAM **stream); 653 654 VOID _ux_device_class_video_write_thread_entry(ULONG video_stream); 655 VOID _ux_device_class_video_read_thread_entry(ULONG video_stream); 656 657 ULONG _ux_device_class_video_max_payload_length(UX_DEVICE_CLASS_VIDEO_STREAM *video); 658 659 UINT _ux_device_class_video_reception_start(UX_DEVICE_CLASS_VIDEO_STREAM *video); 660 661 UINT _ux_device_class_video_read_payload_get(UX_DEVICE_CLASS_VIDEO_STREAM *video, UCHAR **payload_data, ULONG *payload_length); 662 UINT _ux_device_class_video_read_payload_free(UX_DEVICE_CLASS_VIDEO_STREAM *video); 663 664 UINT _ux_device_class_video_transmission_start(UX_DEVICE_CLASS_VIDEO_STREAM *video); 665 666 UINT _ux_device_class_video_write_payload_get(UX_DEVICE_CLASS_VIDEO_STREAM *video, UCHAR **buffer, ULONG *max_length); 667 UINT _ux_device_class_video_write_payload_commit(UX_DEVICE_CLASS_VIDEO_STREAM *video, ULONG length); 668 669 UINT _ux_device_class_video_tasks_run(VOID *instance); 670 UINT _ux_device_class_video_read_task_function(UX_DEVICE_CLASS_VIDEO_STREAM *stream); 671 UINT _ux_device_class_video_write_task_function(UX_DEVICE_CLASS_VIDEO_STREAM *stream); 672 673 UINT _uxe_device_class_video_initialize(UX_SLAVE_CLASS_COMMAND *command); 674 ULONG _uxe_device_class_video_max_payload_length(UX_DEVICE_CLASS_VIDEO_STREAM *video); 675 UINT _uxe_device_class_video_reception_start(UX_DEVICE_CLASS_VIDEO_STREAM *video); 676 UINT _uxe_device_class_video_read_payload_get(UX_DEVICE_CLASS_VIDEO_STREAM *video, UCHAR **payload_data, ULONG *payload_length); 677 UINT _uxe_device_class_video_read_payload_free(UX_DEVICE_CLASS_VIDEO_STREAM *video); 678 UINT _uxe_device_class_video_transmission_start(UX_DEVICE_CLASS_VIDEO_STREAM *video); 679 UINT _uxe_device_class_video_write_payload_get(UX_DEVICE_CLASS_VIDEO_STREAM *video, UCHAR **buffer, ULONG *max_length); 680 UINT _uxe_device_class_video_write_payload_commit(UX_DEVICE_CLASS_VIDEO_STREAM *video, ULONG length); 681 UINT _uxe_device_class_video_ioctl(UX_DEVICE_CLASS_VIDEO *video, ULONG ioctl_function, VOID *parameter); 682 683 /* Define Video Class API prototypes. */ 684 685 #if defined(UX_DEVICE_CLASS_VIDEO_ENABLE_ERROR_CHECKING) 686 687 #define ux_device_class_video_entry _ux_device_class_video_entry 688 689 #define ux_device_class_video_read_thread_entry _ux_device_class_video_read_thread_entry 690 #define ux_device_class_video_write_thread_entry _ux_device_class_video_write_thread_entry 691 692 #define ux_device_class_video_request_error_set _ux_device_class_video_request_error_set 693 #define ux_device_class_video_stream_error_set _ux_device_class_video_stream_error_set 694 695 #define ux_device_class_video_stream_get _ux_device_class_video_stream_get 696 697 #define ux_device_class_video_max_payload_length _uxe_device_class_video_max_payload_length 698 699 #define ux_device_class_video_reception_start _uxe_device_class_video_reception_start 700 701 #define ux_device_class_video_read_payload_get _uxe_device_class_video_read_payload_get 702 #define ux_device_class_video_read_payload_free _uxe_device_class_video_read_payload_free 703 704 #define ux_device_class_video_transmission_start _uxe_device_class_video_transmission_start 705 706 #define ux_device_class_video_write_payload_get _uxe_device_class_video_write_payload_get 707 #define ux_device_class_video_write_payload_commit _uxe_device_class_video_write_payload_commit 708 709 #define ux_device_class_video_ioctl _uxe_device_class_video_ioctl 710 711 #define ux_device_class_video_read_task_function _ux_device_class_video_read_task_function 712 #define ux_device_class_video_write_task_function _ux_device_class_video_write_task_function 713 714 #else 715 716 #define ux_device_class_video_entry _ux_device_class_video_entry 717 718 #define ux_device_class_video_read_thread_entry _ux_device_class_video_read_thread_entry 719 #define ux_device_class_video_write_thread_entry _ux_device_class_video_write_thread_entry 720 721 #define ux_device_class_video_request_error_set _ux_device_class_video_request_error_set 722 #define ux_device_class_video_stream_error_set _ux_device_class_video_stream_error_set 723 724 #define ux_device_class_video_stream_get _ux_device_class_video_stream_get 725 726 #define ux_device_class_video_max_payload_length _ux_device_class_video_max_payload_length 727 728 #define ux_device_class_video_reception_start _ux_device_class_video_reception_start 729 730 #define ux_device_class_video_read_payload_get _ux_device_class_video_read_payload_get 731 #define ux_device_class_video_read_payload_free _ux_device_class_video_read_payload_free 732 733 #define ux_device_class_video_transmission_start _ux_device_class_video_transmission_start 734 735 #define ux_device_class_video_write_payload_get _ux_device_class_video_write_payload_get 736 #define ux_device_class_video_write_payload_commit _ux_device_class_video_write_payload_commit 737 738 #define ux_device_class_video_ioctl _ux_device_class_video_ioctl 739 740 #define ux_device_class_video_read_task_function _ux_device_class_video_read_task_function 741 #define ux_device_class_video_write_task_function _ux_device_class_video_write_task_function 742 743 #endif /* UX_DEVICE_CLASS_VIDEO_ENABLE_ERROR_CHECKING */ 744 745 /* Determine if a C++ compiler is being used. If so, complete the standard 746 C conditional started above. */ 747 #ifdef __cplusplus 748 } 749 #endif 750 751 #endif 752
