1/* 2 * Copyright (c) 2007-2009 Intel Corporation. All Rights Reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sub license, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial portions 14 * of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 19 * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR 20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24/* 25 * Video Acceleration (VA) API Specification 26 * 27 * Rev. 0.30 28 * <jonathan.bian@intel.com> 29 * 30 * Revision History: 31 * rev 0.10 (12/10/2006 Jonathan Bian) - Initial draft 32 * rev 0.11 (12/15/2006 Jonathan Bian) - Fixed some errors 33 * rev 0.12 (02/05/2007 Jonathan Bian) - Added VC-1 data structures for slice level decode 34 * rev 0.13 (02/28/2007 Jonathan Bian) - Added GetDisplay() 35 * rev 0.14 (04/13/2007 Jonathan Bian) - Fixed MPEG-2 PictureParameter structure, cleaned up a few funcs. 36 * rev 0.15 (04/20/2007 Jonathan Bian) - Overhauled buffer management 37 * rev 0.16 (05/02/2007 Jonathan Bian) - Added error codes and fixed some issues with configuration 38 * rev 0.17 (05/07/2007 Jonathan Bian) - Added H.264/AVC data structures for slice level decode. 39 * rev 0.18 (05/14/2007 Jonathan Bian) - Added data structures for MPEG-4 slice level decode 40 * and MPEG-2 motion compensation. 41 * rev 0.19 (08/06/2007 Jonathan Bian) - Removed extra type for bitplane data. 42 * rev 0.20 (08/08/2007 Jonathan Bian) - Added missing fields to VC-1 PictureParameter structure. 43 * rev 0.21 (08/20/2007 Jonathan Bian) - Added image and subpicture support. 44 * rev 0.22 (08/27/2007 Jonathan Bian) - Added support for chroma-keying and global alpha. 45 * rev 0.23 (09/11/2007 Jonathan Bian) - Fixed some issues with images and subpictures. 46 * rev 0.24 (09/18/2007 Jonathan Bian) - Added display attributes. 47 * rev 0.25 (10/18/2007 Jonathan Bian) - Changed to use IDs only for some types. 48 * rev 0.26 (11/07/2007 Waldo Bastian) - Change vaCreateBuffer semantics 49 * rev 0.27 (11/19/2007 Matt Sottek) - Added DeriveImage 50 * rev 0.28 (12/06/2007 Jonathan Bian) - Added new versions of PutImage and AssociateSubpicture 51 * to enable scaling 52 * rev 0.29 (02/07/2008 Jonathan Bian) - VC1 parameter fixes, 53 * added VA_STATUS_ERROR_RESOLUTION_NOT_SUPPORTED 54 * rev 0.30 (03/01/2009 Jonathan Bian) - Added encoding support for H.264 BP and MPEG-4 SP and fixes 55 * for ISO C conformance. 56 * rev 0.31 (09/02/2009 Gwenole Beauchesne) - VC-1/H264 fields change for VDPAU and XvBA backend 57 * Application needs to relink with the new library. 58 * 59 * rev 0.31.1 (03/29/2009) - Data structure for JPEG encode 60 * rev 0.31.2 (01/13/2011 Anthony Pabon)- Added a flag to indicate Subpicture coordinates are screen 61 * screen relative rather than source video relative. 62 * rev 0.32.0 (01/13/2011 Xiang Haihao) - Add profile into VAPictureParameterBufferVC1 63 * update VAAPI to 0.32.0 64 * 65 * Acknowledgements: 66 * Some concepts borrowed from XvMC and XvImage. 67 * Waldo Bastian (Intel), Matt Sottek (Intel), Austin Yuan (Intel), and Gwenole Beauchesne (SDS) 68 * contributed to various aspects of the API. 69 */ 70 71#ifndef _VA_H_ 72#define _VA_H_ 73 74#include <va/va_version.h> 75 76#ifdef __cplusplus 77extern "C" { 78#endif 79 80/* 81Overview 82 83The VA API is intended to provide an interface between a video decode/encode/display 84application (client) and a hardware accelerator (server), to off-load 85video decode/encode/display operations from the host to the hardware accelerator at various 86entry-points. 87 88The basic operation steps are: 89 90- Negotiate a mutually acceptable configuration with the server to lock 91 down profile, entrypoints, and other attributes that will not change on 92 a frame-by-frame basis. 93- Create a decode context which represents a "virtualized" hardware decode 94 device 95- Get and fill decode buffers with picture level, slice level and macroblock 96 level data (depending on entrypoints) 97- Pass the decode buffers to the server to decode the current frame 98 99Initialization & Configuration Management 100 101- Find out supported profiles 102- Find out entrypoints for a given profile 103- Find out configuration attributes for a given profile/entrypoint pair 104- Create a configuration for use by the decoder 105 106*/ 107 108typedef void* VADisplay; /* window system dependent */ 109 110typedef int VAStatus; /* Return status type from functions */ 111/* Values for the return status */ 112#define VA_STATUS_SUCCESS 0x00000000 113#define VA_STATUS_ERROR_OPERATION_FAILED 0x00000001 114#define VA_STATUS_ERROR_ALLOCATION_FAILED 0x00000002 115#define VA_STATUS_ERROR_INVALID_DISPLAY 0x00000003 116#define VA_STATUS_ERROR_INVALID_CONFIG 0x00000004 117#define VA_STATUS_ERROR_INVALID_CONTEXT 0x00000005 118#define VA_STATUS_ERROR_INVALID_SURFACE 0x00000006 119#define VA_STATUS_ERROR_INVALID_BUFFER 0x00000007 120#define VA_STATUS_ERROR_INVALID_IMAGE 0x00000008 121#define VA_STATUS_ERROR_INVALID_SUBPICTURE 0x00000009 122#define VA_STATUS_ERROR_ATTR_NOT_SUPPORTED 0x0000000a 123#define VA_STATUS_ERROR_MAX_NUM_EXCEEDED 0x0000000b 124#define VA_STATUS_ERROR_UNSUPPORTED_PROFILE 0x0000000c 125#define VA_STATUS_ERROR_UNSUPPORTED_ENTRYPOINT 0x0000000d 126#define VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT 0x0000000e 127#define VA_STATUS_ERROR_UNSUPPORTED_BUFFERTYPE 0x0000000f 128#define VA_STATUS_ERROR_SURFACE_BUSY 0x00000010 129#define VA_STATUS_ERROR_FLAG_NOT_SUPPORTED 0x00000011 130#define VA_STATUS_ERROR_INVALID_PARAMETER 0x00000012 131#define VA_STATUS_ERROR_RESOLUTION_NOT_SUPPORTED 0x00000013 132#define VA_STATUS_ERROR_UNIMPLEMENTED 0x00000014 133#define VA_STATUS_ERROR_SURFACE_IN_DISPLAYING 0x00000015 134#define VA_STATUS_ERROR_INVALID_IMAGE_FORMAT 0x00000016 135#define VA_STATUS_ERROR_DECODING_ERROR 0x00000017 136#define VA_STATUS_ERROR_ENCODING_ERROR 0x00000018 137#define VA_STATUS_ERROR_UNKNOWN 0xFFFFFFFF 138 139/* De-interlacing flags for vaPutSurface() */ 140#define VA_FRAME_PICTURE 0x00000000 141#define VA_TOP_FIELD 0x00000001 142#define VA_BOTTOM_FIELD 0x00000002 143 144/* 145 * Enabled the positioning/cropping/blending feature: 146 * 1, specify the video playback position in the isurface 147 * 2, specify the cropping info for video playback 148 * 3, encoded video will blend with background color 149 */ 150#define VA_ENABLE_BLEND 0x00000004 /* video area blend with the constant color */ 151 152/* 153 * Clears the drawable with background color. 154 * for hardware overlay based implementation this flag 155 * can be used to turn off the overlay 156 */ 157#define VA_CLEAR_DRAWABLE 0x00000008 158 159/* Color space conversion flags for vaPutSurface() */ 160#define VA_SRC_BT601 0x00000010 161#define VA_SRC_BT709 0x00000020 162#define VA_SRC_SMPTE_240 0x00000040 163 164/* Scaling flags for vaPutSurface() */ 165#define VA_FILTER_SCALING_DEFAULT 0x00000000 166#define VA_FILTER_SCALING_FAST 0x00000100 167#define VA_FILTER_SCALING_HQ 0x00000200 168#define VA_FILTER_SCALING_NL_ANAMORPHIC 0x00000300 169#define VA_FILTER_SCALING_MASK 0x00000f00 170 171/* 172 * Returns a short english description of error_status 173 */ 174const char *vaErrorStr(VAStatus error_status); 175 176/* 177 * Initialization: 178 * A display must be obtained by calling vaGetDisplay() before calling 179 * vaInitialize() and other functions. This connects the API to the 180 * native window system. 181 * For X Windows, native_dpy would be from XOpenDisplay() 182 */ 183typedef void* VANativeDisplay; /* window system dependent */ 184 185int vaDisplayIsValid(VADisplay dpy); 186 187/* 188 * Initialize the library 189 */ 190VAStatus vaInitialize ( 191 VADisplay dpy, 192 int *major_version, /* out */ 193 int *minor_version /* out */ 194); 195 196/* 197 * After this call, all library internal resources will be cleaned up 198 */ 199VAStatus vaTerminate ( 200 VADisplay dpy 201); 202 203/* 204 * vaQueryVendorString returns a pointer to a zero-terminated string 205 * describing some aspects of the VA implemenation on a specific 206 * hardware accelerator. The format of the returned string is vendor 207 * specific and at the discretion of the implementer. 208 * e.g. for the Intel GMA500 implementation, an example would be: 209 * "Intel GMA500 - 2.0.0.32L.0005" 210 */ 211const char *vaQueryVendorString ( 212 VADisplay dpy 213); 214 215typedef int (*VAPrivFunc)(); 216 217/* 218 * Return a function pointer given a function name in the library. 219 * This allows private interfaces into the library 220 */ 221VAPrivFunc vaGetLibFunc ( 222 VADisplay dpy, 223 const char *func 224); 225 226/* Currently defined profiles */ 227typedef enum 228{ 229 VAProfileMPEG2Simple = 0, 230 VAProfileMPEG2Main = 1, 231 VAProfileMPEG4Simple = 2, 232 VAProfileMPEG4AdvancedSimple = 3, 233 VAProfileMPEG4Main = 4, 234 VAProfileH264Baseline = 5, 235 VAProfileH264Main = 6, 236 VAProfileH264High = 7, 237 VAProfileVC1Simple = 8, 238 VAProfileVC1Main = 9, 239 VAProfileVC1Advanced = 10, 240 VAProfileH263Baseline = 11, 241 VAProfileJPEGBaseline = 12, 242 VAProfileH264ConstrainedBaseline = 13 243} VAProfile; 244 245/* 246 * Currently defined entrypoints 247 */ 248typedef enum 249{ 250 VAEntrypointVLD = 1, 251 VAEntrypointIZZ = 2, 252 VAEntrypointIDCT = 3, 253 VAEntrypointMoComp = 4, 254 VAEntrypointDeblocking = 5, 255 VAEntrypointEncSlice = 6, /* slice level encode */ 256 VAEntrypointEncPicture = 7 /* pictuer encode, JPEG, etc */ 257} VAEntrypoint; 258 259/* Currently defined configuration attribute types */ 260typedef enum 261{ 262 VAConfigAttribRTFormat = 0, 263 VAConfigAttribSpatialResidual = 1, 264 VAConfigAttribSpatialClipping = 2, 265 VAConfigAttribIntraResidual = 3, 266 VAConfigAttribEncryption = 4, 267 VAConfigAttribRateControl = 5 268} VAConfigAttribType; 269 270/* 271 * Configuration attributes 272 * If there is more than one value for an attribute, a default 273 * value will be assigned to the attribute if the client does not 274 * specify the attribute when creating a configuration 275 */ 276typedef struct _VAConfigAttrib { 277 VAConfigAttribType type; 278 unsigned int value; /* OR'd flags (bits) for this attribute */ 279} VAConfigAttrib; 280 281/* attribute value for VAConfigAttribRTFormat */ 282#define VA_RT_FORMAT_YUV420 0x00000001 283#define VA_RT_FORMAT_YUV422 0x00000002 284#define VA_RT_FORMAT_YUV444 0x00000004 285#define VA_RT_FORMAT_PROTECTED 0x80000000 286 287/* attribute value for VAConfigAttribRateControl */ 288#define VA_RC_NONE 0x00000001 289#define VA_RC_CBR 0x00000002 290#define VA_RC_VBR 0x00000004 291#define VA_RC_VCM 0x00000008 /* video conference mode */ 292 293/* 294 * if an attribute is not applicable for a given 295 * profile/entrypoint pair, then set the value to the following 296 */ 297#define VA_ATTRIB_NOT_SUPPORTED 0x80000000 298 299/* Get maximum number of profiles supported by the implementation */ 300int vaMaxNumProfiles ( 301 VADisplay dpy 302); 303 304/* Get maximum number of entrypoints supported by the implementation */ 305int vaMaxNumEntrypoints ( 306 VADisplay dpy 307); 308 309/* Get maximum number of attributs supported by the implementation */ 310int vaMaxNumConfigAttributes ( 311 VADisplay dpy 312); 313 314/* 315 * Query supported profiles 316 * The caller must provide a "profile_list" array that can hold at 317 * least vaMaxNumProfile() entries. The actual number of profiles 318 * returned in "profile_list" is returned in "num_profile". 319 */ 320VAStatus vaQueryConfigProfiles ( 321 VADisplay dpy, 322 VAProfile *profile_list, /* out */ 323 int *num_profiles /* out */ 324); 325 326/* 327 * Query supported entrypoints for a given profile 328 * The caller must provide an "entrypoint_list" array that can hold at 329 * least vaMaxNumEntrypoints() entries. The actual number of entrypoints 330 * returned in "entrypoint_list" is returned in "num_entrypoints". 331 */ 332VAStatus vaQueryConfigEntrypoints ( 333 VADisplay dpy, 334 VAProfile profile, 335 VAEntrypoint *entrypoint_list, /* out */ 336 int *num_entrypoints /* out */ 337); 338 339/* 340 * Get attributes for a given profile/entrypoint pair 341 * The caller must provide an "attrib_list" with all attributes to be 342 * retrieved. Upon return, the attributes in "attrib_list" have been 343 * updated with their value. Unknown attributes or attributes that are 344 * not supported for the given profile/entrypoint pair will have their 345 * value set to VA_ATTRIB_NOT_SUPPORTED 346 */ 347VAStatus vaGetConfigAttributes ( 348 VADisplay dpy, 349 VAProfile profile, 350 VAEntrypoint entrypoint, 351 VAConfigAttrib *attrib_list, /* in/out */ 352 int num_attribs 353); 354 355/* Generic ID type, can be re-typed for specific implementation */ 356typedef unsigned int VAGenericID; 357 358typedef VAGenericID VAConfigID; 359 360/* 361 * Create a configuration for the decode pipeline 362 * it passes in the attribute list that specifies the attributes it cares 363 * about, with the rest taking default values. 364 */ 365VAStatus vaCreateConfig ( 366 VADisplay dpy, 367 VAProfile profile, 368 VAEntrypoint entrypoint, 369 VAConfigAttrib *attrib_list, 370 int num_attribs, 371 VAConfigID *config_id /* out */ 372); 373 374/* 375 * Free resources associdated with a given config 376 */ 377VAStatus vaDestroyConfig ( 378 VADisplay dpy, 379 VAConfigID config_id 380); 381 382/* 383 * Query all attributes for a given configuration 384 * The profile of the configuration is returned in "profile" 385 * The entrypoint of the configuration is returned in "entrypoint" 386 * The caller must provide an "attrib_list" array that can hold at least 387 * vaMaxNumConfigAttributes() entries. The actual number of attributes 388 * returned in "attrib_list" is returned in "num_attribs" 389 */ 390VAStatus vaQueryConfigAttributes ( 391 VADisplay dpy, 392 VAConfigID config_id, 393 VAProfile *profile, /* out */ 394 VAEntrypoint *entrypoint, /* out */ 395 VAConfigAttrib *attrib_list,/* out */ 396 int *num_attribs /* out */ 397); 398 399 400/* 401 * Contexts and Surfaces 402 * 403 * Context represents a "virtual" video decode pipeline. Surfaces are render 404 * targets for a given context. The data in the surfaces are not accessible 405 * to the client and the internal data format of the surface is implementatin 406 * specific. 407 * 408 * Surfaces will be bound to a context when the context is created. Once 409 * a surface is bound to a given context, it can not be used to create 410 * another context. The association is removed when the context is destroyed 411 * 412 * Both contexts and surfaces are identified by unique IDs and its 413 * implementation specific internals are kept opaque to the clients 414 */ 415 416typedef VAGenericID VAContextID; 417 418typedef VAGenericID VASurfaceID; 419 420#define VA_INVALID_ID 0xffffffff 421#define VA_INVALID_SURFACE VA_INVALID_ID 422 423/* 424 * vaCreateSurfaces - Create an array of surfaces used for decode and display 425 * dpy: display 426 * width: surface width 427 * height: surface height 428 * format: VA_RT_FORMAT_YUV420, VA_RT_FORMAT_YUV422 or VA_RT_FORMAT_YUV444 429 * num_surfaces: number of surfaces to be created 430 * surfaces: array of surfaces created upon return 431 */ 432VAStatus vaCreateSurfaces ( 433 VADisplay dpy, 434 int width, 435 int height, 436 int format, 437 int num_surfaces, 438 VASurfaceID *surfaces /* out */ 439); 440 441 442/* 443 * vaDestroySurfaces - Destroy resources associated with surfaces. 444 * Surfaces can only be destroyed after the context associated has been 445 * destroyed. 446 * dpy: display 447 * surfaces: array of surfaces to destroy 448 * num_surfaces: number of surfaces in the array to be destroyed. 449 */ 450VAStatus vaDestroySurfaces ( 451 VADisplay dpy, 452 VASurfaceID *surfaces, 453 int num_surfaces 454); 455 456#define VA_PROGRESSIVE 0x1 457/* 458 * vaCreateContext - Create a context 459 * dpy: display 460 * config_id: configuration for the context 461 * picture_width: coded picture width 462 * picture_height: coded picture height 463 * flag: any combination of the following: 464 * VA_PROGRESSIVE (only progressive frame pictures in the sequence when set) 465 * render_targets: render targets (surfaces) tied to the context 466 * num_render_targets: number of render targets in the above array 467 * context: created context id upon return 468 */ 469VAStatus vaCreateContext ( 470 VADisplay dpy, 471 VAConfigID config_id, 472 int picture_width, 473 int picture_height, 474 int flag, 475 VASurfaceID *render_targets, 476 int num_render_targets, 477 VAContextID *context /* out */ 478); 479 480/* 481 * vaDestroyContext - Destroy a context 482 * dpy: display 483 * context: context to be destroyed 484 */ 485VAStatus vaDestroyContext ( 486 VADisplay dpy, 487 VAContextID context 488); 489 490/* 491 * Buffers 492 * Buffers are used to pass various types of data from the 493 * client to the server. The server maintains a data store 494 * for each buffer created, and the client idenfies a buffer 495 * through a unique buffer id assigned by the server. 496 */ 497 498typedef VAGenericID VABufferID; 499 500typedef enum 501{ 502 VAPictureParameterBufferType = 0, 503 VAIQMatrixBufferType = 1, 504 VABitPlaneBufferType = 2, 505 VASliceGroupMapBufferType = 3, 506 VASliceParameterBufferType = 4, 507 VASliceDataBufferType = 5, 508 VAMacroblockParameterBufferType = 6, 509 VAResidualDataBufferType = 7, 510 VADeblockingParameterBufferType = 8, 511 VAImageBufferType = 9, 512 VAProtectedSliceDataBufferType = 10, 513 VAQMatrixBufferType = 11, 514 VAHuffmanTableBufferType = 12, 515 516/* Following are encode buffer types */ 517 VAEncCodedBufferType = 21, 518 VAEncSequenceParameterBufferType = 22, 519 VAEncPictureParameterBufferType = 23, 520 VAEncSliceParameterBufferType = 24, 521 VAEncH264VUIBufferType = 25, 522 VAEncH264SEIBufferType = 26, 523 VAEncMiscParameterBufferType = 27, 524 VABufferTypeMax = 0xff 525} VABufferType; 526 527typedef enum 528{ 529 VAEncMiscParameterTypeFrameRate = 0, 530 VAEncMiscParameterTypeRateControl = 1, 531 VAEncMiscParameterTypeMaxSliceSize = 2, 532 VAEncMiscParameterTypeAIR = 3, 533} VAEncMiscParameterType; 534 535/* 536 * For application, e.g. set a new bitrate 537 * VABufferID buf_id; 538 * VAEncMiscParameterBuffer *misc_param; 539 * VAEncMiscParameterRateControl *misc_rate_ctrl; 540 * 541 * vaCreateBuffer(dpy, context, VAEncMiscParameterBufferType, 542 * sizeof(VAEncMiscParameterBuffer) + sizeof(VAEncMiscParameterRateControl), 543 * 1, NULL, &buf_id); 544 * 545 * vaMapBuffer(dpy,buf_id,(void **)&misc_param); 546 * misc_param->type = VAEncMiscParameterTypeRateControl; 547 * misc_rate_ctrl= (VAEncMiscParameterRateControl *)misc_param->data; 548 * misc_rate_ctrl->bits_per_second = 6400000; 549 * vaUnmapBuffer(dpy, buf_id); 550 * vaRenderPicture(dpy, context, &buf_id, 1); 551 */ 552typedef struct _VAEncMiscParameterBuffer 553{ 554 VAEncMiscParameterType type; 555 unsigned int data[0]; 556} VAEncMiscParameterBuffer; 557 558typedef struct _VAEncMiscParameterRateControl 559{ 560 unsigned int bits_per_second; /* this is the maximum bit-rate to be constrained by the rate control implementation */ 561 unsigned int target_percentage; /* this is the bit-rate the rate control is targeting, as a percentage of the maximum bit-rate */ 562 /* for example if target_percentage is 95 then the rate control will target a bit-rate that is */ 563 /* 95% of the maximum bit-rate */ 564 unsigned int window_size; /* windows size in milliseconds. For example if this is set to 500, then the rate control will guarantee the */ 565 /* target bit-rate over a 500 ms window */ 566 unsigned int initial_qp; /* initial QP at I frames */ 567 unsigned int min_qp; 568} VAEncMiscParameterRateControl; 569 570typedef struct _VAEncMiscParameterFrameRate 571{ 572 unsigned int framerate; 573} VAEncMiscParameterFrameRate; 574 575/* 576 * Allow a maximum slice size to be specified (in bits). 577 * The encoder will attempt to make sure that individual slices do not exceed this size 578 * Or to signal applicate if the slice size exceed this size, see "status" of VACodedBufferSegment 579 */ 580typedef struct _VAEncMiscParameterMaxSliceSize 581{ 582 unsigned int max_slice_size; 583} VAEncMiscParameterMaxSliceSize; 584 585typedef struct _VAEncMiscParameterAIR 586{ 587 unsigned int air_num_mbs; 588 unsigned int air_threshold; 589 unsigned int air_auto; /* if set to 1 then hardware auto-tune the AIR threshold */ 590} VAEncMiscParameterAIR; 591 592 593/* 594 * There will be cases where the bitstream buffer will not have enough room to hold 595 * the data for the entire slice, and the following flags will be used in the slice 596 * parameter to signal to the server for the possible cases. 597 * If a slice parameter buffer and slice data buffer pair is sent to the server with 598 * the slice data partially in the slice data buffer (BEGIN and MIDDLE cases below), 599 * then a slice parameter and data buffer needs to be sent again to complete this slice. 600 */ 601#define VA_SLICE_DATA_FLAG_ALL 0x00 /* whole slice is in the buffer */ 602#define VA_SLICE_DATA_FLAG_BEGIN 0x01 /* The beginning of the slice is in the buffer but the end if not */ 603#define VA_SLICE_DATA_FLAG_MIDDLE 0x02 /* Neither beginning nor end of the slice is in the buffer */ 604#define VA_SLICE_DATA_FLAG_END 0x04 /* end of the slice is in the buffer */ 605 606/* Codec-independent Slice Parameter Buffer base */ 607typedef struct _VASliceParameterBufferBase 608{ 609 unsigned int slice_data_size; /* number of bytes in the slice data buffer for this slice */ 610 unsigned int slice_data_offset; /* the offset to the first byte of slice data */ 611 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX definitions */ 612} VASliceParameterBufferBase; 613 614 615/**************************** 616 * JEPG data structure 617 ***************************/ 618typedef struct _VAQMatrixBufferJPEG 619{ 620 int load_lum_quantiser_matrix; 621 int load_chroma_quantiser_matrix; 622 unsigned char lum_quantiser_matrix[64]; 623 unsigned char chroma_quantiser_matrix[64]; 624} VAQMatrixBufferJPEG; 625 626typedef struct _VAEncPictureParameterBufferJPEG 627{ 628 VASurfaceID reconstructed_picture; 629 unsigned short picture_width; 630 unsigned short picture_height; 631 VABufferID coded_buf; 632} VAEncPictureParameterBufferJPEG; 633 634/* data struct for JPEG decoding */ 635 636/* Quantization table */ 637typedef struct _VAIQMatrixBufferJPEG 638{ 639 int precision[4]; /* valid value: 0(8-bits) , 1(16-bits), precision[Tq](Tq=0,1,2,3) 640 * specifies precision for destination Tq 641 */ 642 unsigned char quantiser_matrix[4][128]; /* quantiser_matrix[Tq](Tq=0,1,2,3) specifies a 643 * quantization table for destination Tq in zig-zag 644 * scan order. Only the first 64 bytes are valid for each 645 * table if precision is 0(8-bits). 646 */ 647} VAIQMatrixBufferJPEG; 648 649#define VA_JPEG_SOF0 0xC0 650#define VA_JPEG_SOF1 0xC1 651#define VA_JPEG_SOF2 0xC2 652#define VA_JPEG_SOF3 0xC3 653#define VA_JPEG_SOF5 0xC5 654#define VA_JPEG_SOF6 0xC6 655#define VA_JPEG_SOF7 0xC7 656#define VA_JPEG_SOF9 0xC9 657#define VA_JPEG_SOF10 0xCA 658#define VA_JPEG_SOF11 0xCB 659#define VA_JPEG_SOF13 0xCD 660#define VA_JPEG_SOF14 0xCE 661 662/* JPEG Picture Parameter Buffer */ 663typedef struct _VAPictureParameterBufferJPEG 664{ 665 unsigned int type; /* SOFn */ 666 unsigned int sample_precision; 667 unsigned int image_width; 668 unsigned int image_height; 669 unsigned int num_components; 670 struct { 671 unsigned char component_id; /* Ci, the range is 0-255, see B.2.2 */ 672 unsigned char h_sampling_factor; 673 unsigned char v_sampling_factor; 674 unsigned char quantiser_table_selector; /* Tqi, quantization table destination selector */ 675 } components[4]; 676 677 /* ROI (region of interest), for JPEG2000 */ 678 struct { 679 int enabled; 680 int start_x; 681 int start_y; 682 int end_x; 683 int end_y; 684 } roi; 685 686 int rotation; 687} VAPictureParameterBufferJPEG; 688 689typedef struct _VAHuffmanTableBufferJPEG 690{ 691 struct { 692 unsigned char dc_bits[16]; /* Number of Huffman codes of length i for DC */ 693 unsigned char dc_huffval[20]; /* Value associated with each Huffman code for DC */ 694 unsigned char ac_bits[16]; /* Number of Huffman codes of length i for AC */ 695 unsigned char ac_huffval[256]; /* Value associated with each Huffman code for AC */ 696 } huffman_table[4]; /* Up to 4 huffman tables, huffman_table[Th](Th=0,1,2,3) 697 * specifies a buffman table for destination Th. 698 */ 699 700} VAHuffmanTableBufferJPEG; 701 702/* JPEG Scan Parameter Buffer, The Scan of is similar to 703 * the Slice of other codecs */ 704typedef struct _VASliceParameterBufferJPEG 705{ 706 unsigned int slice_data_size; /* number of bytes in the slice data buffer for this slice */ 707 unsigned int slice_data_offset; /* the offset to the first byte of slice data */ 708 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX definitions */ 709 unsigned int slice_horizontal_position; 710 unsigned int slice_vertical_position; 711 712 unsigned int num_components; 713 struct { 714 int component_id; /* Csj, it must match one of component_ids specified in VAPictureParameterBufferJPEG */ 715 int dc_selector; /* Tdj(0,1,2,3) */ 716 int ac_selector; /* Taj(0,1,2,3) */ 717 } components[4]; 718 719 int restart_interval; /* specifies the number of MCUs in restart interval, defined in DRI marker */ 720 int num_mcus; /* indicates the number of MCUs in a scan */ 721} VASliceParameterBufferJPEG; 722 723/**************************** 724 * MPEG-2 data structures 725 ****************************/ 726 727/* MPEG-2 Picture Parameter Buffer */ 728/* 729 * For each frame or field, and before any slice data, a single 730 * picture parameter buffer must be send. 731 */ 732typedef struct _VAPictureParameterBufferMPEG2 733{ 734 unsigned short horizontal_size; 735 unsigned short vertical_size; 736 VASurfaceID forward_reference_picture; 737 VASurfaceID backward_reference_picture; 738 /* meanings of the following fields are the same as in the standard */ 739 int picture_coding_type; 740 int f_code; /* pack all four fcode into this */ 741 union { 742 struct { 743 unsigned int intra_dc_precision : 2; 744 unsigned int picture_structure : 2; 745 unsigned int top_field_first : 1; 746 unsigned int frame_pred_frame_dct : 1; 747 unsigned int concealment_motion_vectors : 1; 748 unsigned int q_scale_type : 1; 749 unsigned int intra_vlc_format : 1; 750 unsigned int alternate_scan : 1; 751 unsigned int repeat_first_field : 1; 752 unsigned int progressive_frame : 1; 753 unsigned int is_first_field : 1; /* indicate whether the current field 754 * is the first field for field picture 755 */ 756 } bits; 757 unsigned int value; 758 } picture_coding_extension; 759} VAPictureParameterBufferMPEG2; 760 761/* MPEG-2 Inverse Quantization Matrix Buffer */ 762typedef struct _VAIQMatrixBufferMPEG2 763{ 764 int load_intra_quantiser_matrix; 765 int load_non_intra_quantiser_matrix; 766 int load_chroma_intra_quantiser_matrix; 767 int load_chroma_non_intra_quantiser_matrix; 768 unsigned char intra_quantiser_matrix[64]; 769 unsigned char non_intra_quantiser_matrix[64]; 770 unsigned char chroma_intra_quantiser_matrix[64]; 771 unsigned char chroma_non_intra_quantiser_matrix[64]; 772} VAIQMatrixBufferMPEG2; 773 774/* MPEG-2 Slice Parameter Buffer */ 775typedef struct _VASliceParameterBufferMPEG2 776{ 777 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */ 778 unsigned int slice_data_offset;/* the offset to the first byte of slice data */ 779 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */ 780 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */ 781 unsigned int slice_horizontal_position; 782 unsigned int slice_vertical_position; 783 int quantiser_scale_code; 784 int intra_slice_flag; 785} VASliceParameterBufferMPEG2; 786 787/* MPEG-2 Macroblock Parameter Buffer */ 788typedef struct _VAMacroblockParameterBufferMPEG2 789{ 790 unsigned short macroblock_address; 791 /* 792 * macroblock_address (in raster scan order) 793 * top-left: 0 794 * bottom-right: picture-height-in-mb*picture-width-in-mb - 1 795 */ 796 unsigned char macroblock_type; /* see definition below */ 797 union { 798 struct { 799 unsigned int frame_motion_type : 2; 800 unsigned int field_motion_type : 2; 801 unsigned int dct_type : 1; 802 } bits; 803 unsigned int value; 804 } macroblock_modes; 805 unsigned char motion_vertical_field_select; 806 /* 807 * motion_vertical_field_select: 808 * see section 6.3.17.2 in the spec 809 * only the lower 4 bits are used 810 * bit 0: first vector forward 811 * bit 1: first vector backward 812 * bit 2: second vector forward 813 * bit 3: second vector backward 814 */ 815 short PMV[2][2][2]; /* see Table 7-7 in the spec */ 816 unsigned short coded_block_pattern; 817 /* 818 * The bitplanes for coded_block_pattern are described 819 * in Figure 6.10-12 in the spec 820 */ 821 822 /* Number of skipped macroblocks after this macroblock */ 823 unsigned short num_skipped_macroblocks; 824} VAMacroblockParameterBufferMPEG2; 825 826/* 827 * OR'd flags for macroblock_type (section 6.3.17.1 in the spec) 828 */ 829#define VA_MB_TYPE_MOTION_FORWARD 0x02 830#define VA_MB_TYPE_MOTION_BACKWARD 0x04 831#define VA_MB_TYPE_MOTION_PATTERN 0x08 832#define VA_MB_TYPE_MOTION_INTRA 0x10 833 834/* 835 * MPEG-2 Residual Data Buffer 836 * For each macroblock, there wil be 64 shorts (16-bit) in the 837 * residual data buffer 838 */ 839 840/**************************** 841 * MPEG-4 Part 2 data structures 842 ****************************/ 843 844/* MPEG-4 Picture Parameter Buffer */ 845/* 846 * For each frame or field, and before any slice data, a single 847 * picture parameter buffer must be send. 848 */ 849typedef struct _VAPictureParameterBufferMPEG4 850{ 851 unsigned short vop_width; 852 unsigned short vop_height; 853 VASurfaceID forward_reference_picture; 854 VASurfaceID backward_reference_picture; 855 union { 856 struct { 857 unsigned int short_video_header : 1; 858 unsigned int chroma_format : 2; 859 unsigned int interlaced : 1; 860 unsigned int obmc_disable : 1; 861 unsigned int sprite_enable : 2; 862 unsigned int sprite_warping_accuracy : 2; 863 unsigned int quant_type : 1; 864 unsigned int quarter_sample : 1; 865 unsigned int data_partitioned : 1; 866 unsigned int reversible_vlc : 1; 867 unsigned int resync_marker_disable : 1; 868 } bits; 869 unsigned int value; 870 } vol_fields; 871 unsigned char no_of_sprite_warping_points; 872 short sprite_trajectory_du[3]; 873 short sprite_trajectory_dv[3]; 874 unsigned char quant_precision; 875 union { 876 struct { 877 unsigned int vop_coding_type : 2; 878 unsigned int backward_reference_vop_coding_type : 2; 879 unsigned int vop_rounding_type : 1; 880 unsigned int intra_dc_vlc_thr : 3; 881 unsigned int top_field_first : 1; 882 unsigned int alternate_vertical_scan_flag : 1; 883 } bits; 884 unsigned int value; 885 } vop_fields; 886 unsigned char vop_fcode_forward; 887 unsigned char vop_fcode_backward; 888 unsigned short vop_time_increment_resolution; 889 /* short header related */ 890 unsigned char num_gobs_in_vop; 891 unsigned char num_macroblocks_in_gob; 892 /* for direct mode prediction */ 893 short TRB; 894 short TRD; 895} VAPictureParameterBufferMPEG4; 896 897/* MPEG-4 Inverse Quantization Matrix Buffer */ 898typedef struct _VAIQMatrixBufferMPEG4 899{ 900 int load_intra_quant_mat; 901 int load_non_intra_quant_mat; 902 unsigned char intra_quant_mat[64]; 903 unsigned char non_intra_quant_mat[64]; 904} VAIQMatrixBufferMPEG4; 905 906/* MPEG-4 Slice Parameter Buffer */ 907typedef struct _VASliceParameterBufferMPEG4 908{ 909 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */ 910 unsigned int slice_data_offset;/* the offset to the first byte of slice data */ 911 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */ 912 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */ 913 unsigned int macroblock_number; 914 int quant_scale; 915} VASliceParameterBufferMPEG4; 916 917/* 918 VC-1 data structures 919*/ 920 921typedef enum /* see 7.1.1.32 */ 922{ 923 VAMvMode1Mv = 0, 924 VAMvMode1MvHalfPel = 1, 925 VAMvMode1MvHalfPelBilinear = 2, 926 VAMvModeMixedMv = 3, 927 VAMvModeIntensityCompensation = 4 928} VAMvModeVC1; 929 930/* VC-1 Picture Parameter Buffer */ 931/* 932 * For each picture, and before any slice data, a picture parameter 933 * buffer must be send. Multiple picture parameter buffers may be 934 * sent for a single picture. In that case picture parameters will 935 * apply to all slice data that follow it until a new picture 936 * parameter buffer is sent. 937 * 938 * Notes: 939 * pic_quantizer_type should be set to the applicable quantizer 940 * type as defined by QUANTIZER (J.1.19) and either 941 * PQUANTIZER (7.1.1.8) or PQINDEX (7.1.1.6) 942 */ 943typedef struct _VAPictureParameterBufferVC1 944{ 945 VASurfaceID forward_reference_picture; 946 VASurfaceID backward_reference_picture; 947 /* if out-of-loop post-processing is done on the render 948 target, then we need to keep the in-loop decoded 949 picture as a reference picture */ 950 VASurfaceID inloop_decoded_picture; 951 952 /* sequence layer for AP or meta data for SP and MP */ 953 union { 954 struct { 955 unsigned int pulldown : 1; /* SEQUENCE_LAYER::PULLDOWN */ 956 unsigned int interlace : 1; /* SEQUENCE_LAYER::INTERLACE */ 957 unsigned int tfcntrflag : 1; /* SEQUENCE_LAYER::TFCNTRFLAG */ 958 unsigned int finterpflag : 1; /* SEQUENCE_LAYER::FINTERPFLAG */ 959 unsigned int psf : 1; /* SEQUENCE_LAYER::PSF */ 960 unsigned int multires : 1; /* METADATA::MULTIRES */ 961 unsigned int overlap : 1; /* METADATA::OVERLAP */ 962 unsigned int syncmarker : 1; /* METADATA::SYNCMARKER */ 963 unsigned int rangered : 1; /* METADATA::RANGERED */ 964 unsigned int max_b_frames : 3; /* METADATA::MAXBFRAMES */ 965 unsigned int profile : 2; /* SEQUENCE_LAYER::PROFILE or The MSB of METADATA::PROFILE */ 966 } bits; 967 unsigned int value; 968 } sequence_fields; 969 970 unsigned short coded_width; /* ENTRY_POINT_LAYER::CODED_WIDTH */ 971 unsigned short coded_height; /* ENTRY_POINT_LAYER::CODED_HEIGHT */ 972 union { 973 struct { 974 unsigned int broken_link : 1; /* ENTRY_POINT_LAYER::BROKEN_LINK */ 975 unsigned int closed_entry : 1; /* ENTRY_POINT_LAYER::CLOSED_ENTRY */ 976 unsigned int panscan_flag : 1; /* ENTRY_POINT_LAYER::PANSCAN_FLAG */ 977 unsigned int loopfilter : 1; /* ENTRY_POINT_LAYER::LOOPFILTER */ 978 } bits; 979 unsigned int value; 980 } entrypoint_fields; 981 unsigned char conditional_overlap_flag; /* ENTRY_POINT_LAYER::CONDOVER */ 982 unsigned char fast_uvmc_flag; /* ENTRY_POINT_LAYER::FASTUVMC */ 983 union { 984 struct { 985 unsigned int luma_flag : 1; /* ENTRY_POINT_LAYER::RANGE_MAPY_FLAG */ 986 unsigned int luma : 3; /* ENTRY_POINT_LAYER::RANGE_MAPY */ 987 unsigned int chroma_flag : 1; /* ENTRY_POINT_LAYER::RANGE_MAPUV_FLAG */ 988 unsigned int chroma : 3; /* ENTRY_POINT_LAYER::RANGE_MAPUV */ 989 } bits; 990 unsigned int value; 991 } range_mapping_fields; 992 993 unsigned char b_picture_fraction; /* PICTURE_LAYER::BFRACTION */ 994 unsigned char cbp_table; /* PICTURE_LAYER::CBPTAB/ICBPTAB */ 995 unsigned char mb_mode_table; /* PICTURE_LAYER::MBMODETAB */ 996 unsigned char range_reduction_frame;/* PICTURE_LAYER::RANGEREDFRM */ 997 unsigned char rounding_control; /* PICTURE_LAYER::RNDCTRL */ 998 unsigned char post_processing; /* PICTURE_LAYER::POSTPROC */ 999 unsigned char picture_resolution_index; /* PICTURE_LAYER::RESPIC */ 1000 unsigned char luma_scale; /* PICTURE_LAYER::LUMSCALE */ 1001 unsigned char luma_shift; /* PICTURE_LAYER::LUMSHIFT */ 1002 union { 1003 struct { 1004 unsigned int picture_type : 3; /* PICTURE_LAYER::PTYPE */ 1005 unsigned int frame_coding_mode : 3; /* PICTURE_LAYER::FCM */ 1006 unsigned int top_field_first : 1; /* PICTURE_LAYER::TFF */ 1007 unsigned int is_first_field : 1; /* set to 1 if it is the first field */ 1008 unsigned int intensity_compensation : 1; /* PICTURE_LAYER::INTCOMP */ 1009 } bits; 1010 unsigned int value; 1011 } picture_fields; 1012 union { 1013 struct { 1014 unsigned int mv_type_mb : 1; /* PICTURE::MVTYPEMB */ 1015 unsigned int direct_mb : 1; /* PICTURE::DIRECTMB */ 1016 unsigned int skip_mb : 1; /* PICTURE::SKIPMB */ 1017 unsigned int field_tx : 1; /* PICTURE::FIELDTX */ 1018 unsigned int forward_mb : 1; /* PICTURE::FORWARDMB */ 1019 unsigned int ac_pred : 1; /* PICTURE::ACPRED */ 1020 unsigned int overflags : 1; /* PICTURE::OVERFLAGS */ 1021 } flags; 1022 unsigned int value; 1023 } raw_coding; 1024 union { 1025 struct { 1026 unsigned int bp_mv_type_mb : 1; /* PICTURE::MVTYPEMB */ 1027 unsigned int bp_direct_mb : 1; /* PICTURE::DIRECTMB */ 1028 unsigned int bp_skip_mb : 1; /* PICTURE::SKIPMB */ 1029 unsigned int bp_field_tx : 1; /* PICTURE::FIELDTX */ 1030 unsigned int bp_forward_mb : 1; /* PICTURE::FORWARDMB */ 1031 unsigned int bp_ac_pred : 1; /* PICTURE::ACPRED */ 1032 unsigned int bp_overflags : 1; /* PICTURE::OVERFLAGS */ 1033 } flags; 1034 unsigned int value; 1035 } bitplane_present; /* signal what bitplane is being passed via the bitplane buffer */ 1036 union { 1037 struct { 1038 unsigned int reference_distance_flag : 1;/* PICTURE_LAYER::REFDIST_FLAG */ 1039 unsigned int reference_distance : 5;/* PICTURE_LAYER::REFDIST */ 1040 unsigned int num_reference_pictures: 1;/* PICTURE_LAYER::NUMREF */ 1041 unsigned int reference_field_pic_indicator : 1;/* PICTURE_LAYER::REFFIELD */ 1042 } bits; 1043 unsigned int value; 1044 } reference_fields; 1045 union { 1046 struct { 1047 unsigned int mv_mode : 3; /* PICTURE_LAYER::MVMODE */ 1048 unsigned int mv_mode2 : 3; /* PICTURE_LAYER::MVMODE2 */ 1049 unsigned int mv_table : 3; /* PICTURE_LAYER::MVTAB/IMVTAB */ 1050 unsigned int two_mv_block_pattern_table: 2; /* PICTURE_LAYER::2MVBPTAB */ 1051 unsigned int four_mv_switch : 1; /* PICTURE_LAYER::4MVSWITCH */ 1052 unsigned int four_mv_block_pattern_table : 2; /* PICTURE_LAYER::4MVBPTAB */ 1053 unsigned int extended_mv_flag : 1; /* ENTRY_POINT_LAYER::EXTENDED_MV */ 1054 unsigned int extended_mv_range : 2; /* PICTURE_LAYER::MVRANGE */ 1055 unsigned int extended_dmv_flag : 1; /* ENTRY_POINT_LAYER::EXTENDED_DMV */ 1056 unsigned int extended_dmv_range : 2; /* PICTURE_LAYER::DMVRANGE */ 1057 } bits; 1058 unsigned int value; 1059 } mv_fields; 1060 union { 1061 struct { 1062 unsigned int dquant : 2; /* ENTRY_POINT_LAYER::DQUANT */ 1063 unsigned int quantizer : 2; /* ENTRY_POINT_LAYER::QUANTIZER */ 1064 unsigned int half_qp : 1; /* PICTURE_LAYER::HALFQP */ 1065 unsigned int pic_quantizer_scale : 5;/* PICTURE_LAYER::PQUANT */ 1066 unsigned int pic_quantizer_type : 1;/* PICTURE_LAYER::PQUANTIZER */ 1067 unsigned int dq_frame : 1; /* VOPDQUANT::DQUANTFRM */ 1068 unsigned int dq_profile : 2; /* VOPDQUANT::DQPROFILE */ 1069 unsigned int dq_sb_edge : 2; /* VOPDQUANT::DQSBEDGE */ 1070 unsigned int dq_db_edge : 2; /* VOPDQUANT::DQDBEDGE */ 1071 unsigned int dq_binary_level : 1; /* VOPDQUANT::DQBILEVEL */ 1072 unsigned int alt_pic_quantizer : 5;/* VOPDQUANT::ALTPQUANT */ 1073 } bits; 1074 unsigned int value; 1075 } pic_quantizer_fields; 1076 union { 1077 struct { 1078 unsigned int variable_sized_transform_flag : 1;/* ENTRY_POINT_LAYER::VSTRANSFORM */ 1079 unsigned int mb_level_transform_type_flag : 1;/* PICTURE_LAYER::TTMBF */ 1080 unsigned int frame_level_transform_type : 2;/* PICTURE_LAYER::TTFRM */ 1081 unsigned int transform_ac_codingset_idx1 : 2;/* PICTURE_LAYER::TRANSACFRM */ 1082 unsigned int transform_ac_codingset_idx2 : 2;/* PICTURE_LAYER::TRANSACFRM2 */ 1083 unsigned int intra_transform_dc_table : 1;/* PICTURE_LAYER::TRANSDCTAB */ 1084 } bits; 1085 unsigned int value; 1086 } transform_fields; 1087} VAPictureParameterBufferVC1; 1088 1089/* VC-1 Bitplane Buffer 1090There will be at most three bitplanes coded in any picture header. To send 1091the bitplane data more efficiently, each byte is divided in two nibbles, with 1092each nibble carrying three bitplanes for one macroblock. The following table 1093shows the bitplane data arrangement within each nibble based on the picture 1094type. 1095 1096Picture Type Bit3 Bit2 Bit1 Bit0 1097I or BI OVERFLAGS ACPRED FIELDTX 1098P MYTYPEMB SKIPMB DIRECTMB 1099B FORWARDMB SKIPMB DIRECTMB 1100 1101Within each byte, the lower nibble is for the first MB and the upper nibble is 1102for the second MB. E.g. the lower nibble of the first byte in the bitplane 1103buffer is for Macroblock #1 and the upper nibble of the first byte is for 1104Macroblock #2 in the first row. 1105*/ 1106 1107/* VC-1 Slice Parameter Buffer */ 1108typedef struct _VASliceParameterBufferVC1 1109{ 1110 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */ 1111 unsigned int slice_data_offset;/* the offset to the first byte of slice data */ 1112 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */ 1113 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */ 1114 unsigned int slice_vertical_position; 1115} VASliceParameterBufferVC1; 1116 1117/* VC-1 Slice Data Buffer */ 1118/* 1119This is simplely a buffer containing raw bit-stream bytes 1120*/ 1121 1122/**************************** 1123 * H.264/AVC data structures 1124 ****************************/ 1125 1126typedef struct _VAPictureH264 1127{ 1128 VASurfaceID picture_id; 1129 unsigned int frame_idx; 1130 unsigned int flags; 1131 signed int TopFieldOrderCnt; 1132 signed int BottomFieldOrderCnt; 1133} VAPictureH264; 1134/* flags in VAPictureH264 could be OR of the following */ 1135#define VA_PICTURE_H264_INVALID 0x00000001 1136#define VA_PICTURE_H264_TOP_FIELD 0x00000002 1137#define VA_PICTURE_H264_BOTTOM_FIELD 0x00000004 1138#define VA_PICTURE_H264_SHORT_TERM_REFERENCE 0x00000008 1139#define VA_PICTURE_H264_LONG_TERM_REFERENCE 0x00000010 1140 1141/* H.264 Picture Parameter Buffer */ 1142/* 1143 * For each picture, and before any slice data, a single 1144 * picture parameter buffer must be send. 1145 */ 1146typedef struct _VAPictureParameterBufferH264 1147{ 1148 VAPictureH264 CurrPic; 1149 VAPictureH264 ReferenceFrames[16]; /* in DPB */ 1150 unsigned short picture_width_in_mbs_minus1; 1151 unsigned short picture_height_in_mbs_minus1; 1152 unsigned char bit_depth_luma_minus8; 1153 unsigned char bit_depth_chroma_minus8; 1154 unsigned char num_ref_frames; 1155 union { 1156 struct { 1157 unsigned int chroma_format_idc : 2; 1158 unsigned int residual_colour_transform_flag : 1; 1159 unsigned int gaps_in_frame_num_value_allowed_flag : 1; 1160 unsigned int frame_mbs_only_flag : 1; 1161 unsigned int mb_adaptive_frame_field_flag : 1; 1162 unsigned int direct_8x8_inference_flag : 1; 1163 unsigned int MinLumaBiPredSize8x8 : 1; /* see A.3.3.2 */ 1164 unsigned int log2_max_frame_num_minus4 : 4; 1165 unsigned int pic_order_cnt_type : 2; 1166 unsigned int log2_max_pic_order_cnt_lsb_minus4 : 4; 1167 unsigned int delta_pic_order_always_zero_flag : 1; 1168 } bits; 1169 unsigned int value; 1170 } seq_fields; 1171 unsigned char num_slice_groups_minus1; 1172 unsigned char slice_group_map_type; 1173 unsigned short slice_group_change_rate_minus1; 1174 signed char pic_init_qp_minus26; 1175 signed char pic_init_qs_minus26; 1176 signed char chroma_qp_index_offset; 1177 signed char second_chroma_qp_index_offset; 1178 union { 1179 struct { 1180 unsigned int entropy_coding_mode_flag : 1; 1181 unsigned int weighted_pred_flag : 1; 1182 unsigned int weighted_bipred_idc : 2; 1183 unsigned int transform_8x8_mode_flag : 1; 1184 unsigned int field_pic_flag : 1; 1185 unsigned int constrained_intra_pred_flag : 1; 1186 unsigned int pic_order_present_flag : 1; 1187 unsigned int deblocking_filter_control_present_flag : 1; 1188 unsigned int redundant_pic_cnt_present_flag : 1; 1189 unsigned int reference_pic_flag : 1; /* nal_ref_idc != 0 */ 1190 } bits; 1191 unsigned int value; 1192 } pic_fields; 1193 unsigned short frame_num; 1194} VAPictureParameterBufferH264; 1195 1196/* H.264 Inverse Quantization Matrix Buffer */ 1197typedef struct _VAIQMatrixBufferH264 1198{ 1199 unsigned char ScalingList4x4[6][16]; 1200 unsigned char ScalingList8x8[2][64]; 1201} VAIQMatrixBufferH264; 1202 1203/* 1204 * H.264 Slice Group Map Buffer 1205 * When VAPictureParameterBufferH264::num_slice_group_minus1 is not equal to 0, 1206 * A slice group map buffer should be sent for each picture if required. The buffer 1207 * is sent only when there is a change in the mapping values. 1208 * The slice group map buffer map "map units" to slice groups as specified in 1209 * section 8.2.2 of the H.264 spec. The buffer will contain one byte for each macroblock 1210 * in raster scan order 1211 */ 1212 1213/* H.264 Slice Parameter Buffer */ 1214typedef struct _VASliceParameterBufferH264 1215{ 1216 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */ 1217 /** \brief Byte offset to the NAL Header Unit for this slice. */ 1218 unsigned int slice_data_offset; 1219 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */ 1220 /** 1221 * \brief Bit offset from NAL Header Unit to the begining of slice_data(). 1222 * 1223 * This bit offset is relative to and includes the NAL unit byte 1224 * and represents the number of bits parsed in the slice_header() 1225 * after the removal of any emulation prevention bytes in 1226 * there. However, the slice data buffer passed to the hardware is 1227 * the original bitstream, thus including any emulation prevention 1228 * bytes. 1229 */ 1230 unsigned short slice_data_bit_offset; 1231 unsigned short first_mb_in_slice; 1232 unsigned char slice_type; 1233 unsigned char direct_spatial_mv_pred_flag; 1234 unsigned char num_ref_idx_l0_active_minus1; 1235 unsigned char num_ref_idx_l1_active_minus1; 1236 unsigned char cabac_init_idc; 1237 char slice_qp_delta; 1238 unsigned char disable_deblocking_filter_idc; 1239 char slice_alpha_c0_offset_div2; 1240 char slice_beta_offset_div2; 1241 VAPictureH264 RefPicList0[32]; /* See 8.2.4.2 */ 1242 VAPictureH264 RefPicList1[32]; /* See 8.2.4.2 */ 1243 unsigned char luma_log2_weight_denom; 1244 unsigned char chroma_log2_weight_denom; 1245 unsigned char luma_weight_l0_flag; 1246 short luma_weight_l0[32]; 1247 short luma_offset_l0[32]; 1248 unsigned char chroma_weight_l0_flag; 1249 short chroma_weight_l0[32][2]; 1250 short chroma_offset_l0[32][2]; 1251 unsigned char luma_weight_l1_flag; 1252 short luma_weight_l1[32]; 1253 short luma_offset_l1[32]; 1254 unsigned char chroma_weight_l1_flag; 1255 short chroma_weight_l1[32][2]; 1256 short chroma_offset_l1[32][2]; 1257} VASliceParameterBufferH264; 1258 1259/**************************** 1260 * Common encode data structures 1261 ****************************/ 1262typedef enum 1263{ 1264 VAEncPictureTypeIntra = 0, 1265 VAEncPictureTypePredictive = 1, 1266 VAEncPictureTypeBidirectional = 2, 1267} VAEncPictureType; 1268 1269/* Encode Slice Parameter Buffer */ 1270typedef struct _VAEncSliceParameterBuffer 1271{ 1272 unsigned int start_row_number; /* starting MB row number for this slice */ 1273 unsigned int slice_height; /* slice height measured in MB */ 1274 union { 1275 struct { 1276 unsigned int is_intra : 1; 1277 unsigned int disable_deblocking_filter_idc : 2; 1278 unsigned int uses_long_term_ref :1; 1279 unsigned int is_long_term_ref :1; 1280 } bits; 1281 unsigned int value; 1282 } slice_flags; 1283} VAEncSliceParameterBuffer; 1284 1285/**************************** 1286 * H.264 specific encode data structures 1287 ****************************/ 1288 1289typedef struct _VAEncSequenceParameterBufferH264 1290{ 1291 unsigned char seq_parameter_set_id; 1292 unsigned char level_idc; 1293 unsigned int intra_period; 1294 unsigned int intra_idr_period; 1295 unsigned int max_num_ref_frames; 1296 unsigned int picture_width_in_mbs; 1297 unsigned int picture_height_in_mbs; 1298 unsigned int bits_per_second; 1299 unsigned int frame_rate; 1300 unsigned int initial_qp; 1301 unsigned int min_qp; 1302 unsigned int basic_unit_size; 1303 unsigned char vui_flag; 1304} VAEncSequenceParameterBufferH264; 1305 1306#define H264_LAST_PICTURE_EOSEQ 0x01 /* the last picture in the sequence */ 1307#define H264_LAST_PICTURE_EOSTREAM 0x02 /* the last picture in the stream */ 1308typedef struct _VAEncPictureParameterBufferH264 1309{ 1310 VASurfaceID reference_picture; 1311 VASurfaceID reconstructed_picture; 1312 VABufferID coded_buf; 1313 unsigned short picture_width; 1314 unsigned short picture_height; 1315 unsigned char last_picture; 1316} VAEncPictureParameterBufferH264; 1317 1318/**************************** 1319 * H.263 specific encode data structures 1320 ****************************/ 1321 1322typedef struct _VAEncSequenceParameterBufferH263 1323{ 1324 unsigned int intra_period; 1325 unsigned int bits_per_second; 1326 unsigned int frame_rate; 1327 unsigned int initial_qp; 1328 unsigned int min_qp; 1329} VAEncSequenceParameterBufferH263; 1330 1331typedef struct _VAEncPictureParameterBufferH263 1332{ 1333 VASurfaceID reference_picture; 1334 VASurfaceID reconstructed_picture; 1335 VABufferID coded_buf; 1336 unsigned short picture_width; 1337 unsigned short picture_height; 1338 VAEncPictureType picture_type; 1339} VAEncPictureParameterBufferH263; 1340 1341/**************************** 1342 * MPEG-4 specific encode data structures 1343 ****************************/ 1344 1345typedef struct _VAEncSequenceParameterBufferMPEG4 1346{ 1347 unsigned char profile_and_level_indication; 1348 unsigned int intra_period; 1349 unsigned int video_object_layer_width; 1350 unsigned int video_object_layer_height; 1351 unsigned int vop_time_increment_resolution; 1352 unsigned int fixed_vop_rate; 1353 unsigned int fixed_vop_time_increment; 1354 unsigned int bits_per_second; 1355 unsigned int frame_rate; 1356 unsigned int initial_qp; 1357 unsigned int min_qp; 1358} VAEncSequenceParameterBufferMPEG4; 1359 1360typedef struct _VAEncPictureParameterBufferMPEG4 1361{ 1362 VASurfaceID reference_picture; 1363 VASurfaceID reconstructed_picture; 1364 VABufferID coded_buf; 1365 unsigned short picture_width; 1366 unsigned short picture_height; 1367 unsigned int modulo_time_base; /* number of 1s */ 1368 unsigned int vop_time_increment; 1369 VAEncPictureType picture_type; 1370} VAEncPictureParameterBufferMPEG4; 1371 1372 1373 1374/* Buffer functions */ 1375 1376/* 1377 * Creates a buffer for "num_elements" elements of "size" bytes and 1378 * initalize with "data". 1379 * if "data" is null, then the contents of the buffer data store 1380 * are undefined. 1381 * Basically there are two ways to get buffer data to the server side. One is 1382 * to call vaCreateBuffer() with a non-null "data", which results the data being 1383 * copied to the data store on the server side. A different method that 1384 * eliminates this copy is to pass null as "data" when calling vaCreateBuffer(), 1385 * and then use vaMapBuffer() to map the data store from the server side to the 1386 * client address space for access. 1387 * Note: image buffers are created by the library, not the client. Please see 1388 * vaCreateImage on how image buffers are managed. 1389 */ 1390VAStatus vaCreateBuffer ( 1391 VADisplay dpy, 1392 VAContextID context, 1393 VABufferType type, /* in */ 1394 unsigned int size, /* in */ 1395 unsigned int num_elements, /* in */ 1396 void *data, /* in */ 1397 VABufferID *buf_id /* out */ 1398); 1399 1400/* 1401 * Convey to the server how many valid elements are in the buffer. 1402 * e.g. if multiple slice parameters are being held in a single buffer, 1403 * this will communicate to the server the number of slice parameters 1404 * that are valid in the buffer. 1405 */ 1406VAStatus vaBufferSetNumElements ( 1407 VADisplay dpy, 1408 VABufferID buf_id, /* in */ 1409 unsigned int num_elements /* in */ 1410); 1411 1412 1413/* 1414 * device independent data structure for codedbuffer 1415 */ 1416 1417/* 1418 * FICTURE_AVE_QP(bit7-0): The average Qp value used during this frame 1419 * LARGE_SLICE(bit8):At least one slice in the current frame was large 1420 * enough for the encoder to attempt to limit its size. 1421 * SLICE_OVERFLOW(bit9): At least one slice in the current frame has 1422 * exceeded the maximum slice size specified. 1423 * BITRATE_OVERFLOW(bit10): The peak bitrate was exceeded for this frame. 1424 * BITRATE_HIGH(bit11): The frame size got within the safety margin of the maximum size (VCM only) 1425 * AIR_MB_OVER_THRESHOLD: the number of MBs adapted to Intra MB 1426 */ 1427#define VA_CODED_BUF_STATUS_PICTURE_AVE_QP_MASK 0xff 1428#define VA_CODED_BUF_STATUS_LARGE_SLICE_MASK 0x100 1429#define VA_CODED_BUF_STATUS_SLICE_OVERFLOW_MASK 0x200 1430#define VA_CODED_BUF_STATUS_BITRATE_OVERFLOW 0x400 1431#define VA_CODED_BUF_STATUS_BITRATE_HIGH 0x800 1432#define VA_CODED_BUF_STATUS_AIR_MB_OVER_THRESHOLD 0xff0000 1433 1434/* 1435 * device independent data structure for codedbuffer 1436 */ 1437typedef struct _VACodedBufferSegment { 1438 unsigned int size;/* size of the data buffer in the coded buffer segment, in bytes */ 1439 unsigned int bit_offset; /* bit offset into the data buffer where valid bitstream data begins */ 1440 unsigned int status; /* status set by the driver on the coded buffer*/ 1441 unsigned int reserved; /* for future use */ 1442 void *buf; /* pointer to the beginning of the data buffer in the coded buffer segment */ 1443 void *next; /* pointer to the next VACodedBufferSegment */ 1444} VACodedBufferSegment; 1445 1446/* 1447 * Map data store of the buffer into the client's address space 1448 * vaCreateBuffer() needs to be called with "data" set to NULL before 1449 * calling vaMapBuffer() 1450 * 1451 * if buffer type is VAEncCodedBufferType, pbuf points to link-list of 1452 * VACodedBufferSegment, and the list is terminated if "next" is NULL 1453 */ 1454VAStatus vaMapBuffer ( 1455 VADisplay dpy, 1456 VABufferID buf_id, /* in */ 1457 void **pbuf /* out */ 1458); 1459 1460/* 1461 * After client making changes to a mapped data store, it needs to 1462 * "Unmap" it to let the server know that the data is ready to be 1463 * consumed by the server 1464 */ 1465VAStatus vaUnmapBuffer ( 1466 VADisplay dpy, 1467 VABufferID buf_id /* in */ 1468); 1469 1470/* 1471 * After this call, the buffer is deleted and this buffer_id is no longer valid 1472 * Only call this if the buffer is not going to be passed to vaRenderBuffer 1473 */ 1474VAStatus vaDestroyBuffer ( 1475 VADisplay dpy, 1476 VABufferID buffer_id 1477); 1478 1479/* 1480Render (Decode) Pictures 1481 1482A picture represents either a frame or a field. 1483 1484The Begin/Render/End sequence sends the decode buffers to the server 1485*/ 1486 1487/* 1488 * Get ready to decode a picture to a target surface 1489 */ 1490VAStatus vaBeginPicture ( 1491 VADisplay dpy, 1492 VAContextID context, 1493 VASurfaceID render_target 1494); 1495 1496/* 1497 * Send decode buffers to the server. 1498 * Buffers are automatically destroyed afterwards 1499 */ 1500VAStatus vaRenderPicture ( 1501 VADisplay dpy, 1502 VAContextID context, 1503 VABufferID *buffers, 1504 int num_buffers 1505); 1506 1507/* 1508 * Make the end of rendering for a picture. 1509 * The server should start processing all pending operations for this 1510 * surface. This call is non-blocking. The client can start another 1511 * Begin/Render/End sequence on a different render target. 1512 */ 1513VAStatus vaEndPicture ( 1514 VADisplay dpy, 1515 VAContextID context 1516); 1517 1518/* 1519 1520Synchronization 1521 1522*/ 1523 1524/* 1525 * This function blocks until all pending operations on the render target 1526 * have been completed. Upon return it is safe to use the render target for a 1527 * different picture. 1528 */ 1529VAStatus vaSyncSurface ( 1530 VADisplay dpy, 1531 VASurfaceID render_target 1532); 1533 1534typedef enum 1535{ 1536 VASurfaceRendering = 1, /* Rendering in progress */ 1537 VASurfaceDisplaying = 2, /* Displaying in progress (not safe to render into it) */ 1538 /* this status is useful if surface is used as the source */ 1539 /* of an overlay */ 1540 VASurfaceReady = 4, /* not being rendered or displayed */ 1541 VASurfaceSkipped = 8 /* Indicate a skipped frame during encode */ 1542} VASurfaceStatus; 1543 1544/* 1545 * Find out any pending ops on the render target 1546 */ 1547VAStatus vaQuerySurfaceStatus ( 1548 VADisplay dpy, 1549 VASurfaceID render_target, 1550 VASurfaceStatus *status /* out */ 1551); 1552 1553typedef enum 1554{ 1555 VADecodeSliceMissing = 0, 1556 VADecodeMBError = 1, 1557} VADecodeErrorType; 1558 1559/* 1560 * Client calls vaQuerySurfaceError with VA_STATUS_ERROR_DECODING_ERROR, server side returns 1561 * an array of structure VASurfaceDecodeMBErrors, and the array is terminated by setting status=-1 1562*/ 1563typedef struct _VASurfaceDecodeMBErrors 1564{ 1565 int status; /* 1 if hardware has returned detailed info below, -1 means this record is invalid */ 1566 unsigned int start_mb; /* start mb address with errors */ 1567 unsigned int end_mb; /* end mb address with errors */ 1568 VADecodeErrorType decode_error_type; 1569} VASurfaceDecodeMBErrors; 1570 1571/* 1572 * After the application gets VA_STATUS_ERROR_DECODING_ERROR after calling vaSyncSurface(), 1573 * it can call vaQuerySurfaceError to find out further details on the particular error. 1574 * VA_STATUS_ERROR_DECODING_ERROR should be passed in as "error_status", 1575 * upon the return, error_info will point to an array of _VASurfaceDecodeMBErrors structure, 1576 * which is allocated and filled by libVA with detailed information on the missing or error macroblocks. 1577 * The array is terminated if "status==-1" is detected. 1578 */ 1579VAStatus vaQuerySurfaceError( 1580 VADisplay dpy, 1581 VASurfaceID surface, 1582 VAStatus error_status, 1583 void **error_info 1584); 1585 1586/* 1587 * Images and Subpictures 1588 * VAImage is used to either get the surface data to client memory, or 1589 * to copy image data in client memory to a surface. 1590 * Both images, subpictures and surfaces follow the same 2D coordinate system where origin 1591 * is at the upper left corner with positive X to the right and positive Y down 1592 */ 1593#define VA_FOURCC(ch0, ch1, ch2, ch3) \ 1594 ((unsigned long)(unsigned char) (ch0) | ((unsigned long)(unsigned char) (ch1) << 8) | \ 1595 ((unsigned long)(unsigned char) (ch2) << 16) | ((unsigned long)(unsigned char) (ch3) << 24 )) 1596 1597/* a few common FourCCs */ 1598#define VA_FOURCC_NV12 0x3231564E 1599#define VA_FOURCC_AI44 0x34344149 1600#define VA_FOURCC_RGBA 0x41424752 1601#define VA_FOURCC_BGRA 0x41524742 1602#define VA_FOURCC_UYVY 0x59565955 1603#define VA_FOURCC_YUY2 0x32595559 1604#define VA_FOURCC_AYUV 0x56555941 1605#define VA_FOURCC_NV11 0x3131564e 1606#define VA_FOURCC_YV12 0x32315659 1607#define VA_FOURCC_P208 0x38303250 1608#define VA_FOURCC_IYUV 0x56555949 1609 1610/* byte order */ 1611#define VA_LSB_FIRST 1 1612#define VA_MSB_FIRST 2 1613 1614typedef struct _VAImageFormat 1615{ 1616 unsigned int fourcc; 1617 unsigned int byte_order; /* VA_LSB_FIRST, VA_MSB_FIRST */ 1618 unsigned int bits_per_pixel; 1619 /* for RGB formats */ 1620 unsigned int depth; /* significant bits per pixel */ 1621 unsigned int red_mask; 1622 unsigned int green_mask; 1623 unsigned int blue_mask; 1624 unsigned int alpha_mask; 1625} VAImageFormat; 1626 1627typedef VAGenericID VAImageID; 1628 1629typedef struct _VAImage 1630{ 1631 VAImageID image_id; /* uniquely identify this image */ 1632 VAImageFormat format; 1633 VABufferID buf; /* image data buffer */ 1634 /* 1635 * Image data will be stored in a buffer of type VAImageBufferType to facilitate 1636 * data store on the server side for optimal performance. The buffer will be 1637 * created by the CreateImage function, and proper storage allocated based on the image 1638 * size and format. This buffer is managed by the library implementation, and 1639 * accessed by the client through the buffer Map/Unmap functions. 1640 */ 1641 unsigned short width; 1642 unsigned short height; 1643 unsigned int data_size; 1644 unsigned int num_planes; /* can not be greater than 3 */ 1645 /* 1646 * An array indicating the scanline pitch in bytes for each plane. 1647 * Each plane may have a different pitch. Maximum 3 planes for planar formats 1648 */ 1649 unsigned int pitches[3]; 1650 /* 1651 * An array indicating the byte offset from the beginning of the image data 1652 * to the start of each plane. 1653 */ 1654 unsigned int offsets[3]; 1655 1656 /* The following fields are only needed for paletted formats */ 1657 int num_palette_entries; /* set to zero for non-palette images */ 1658 /* 1659 * Each component is one byte and entry_bytes indicates the number of components in 1660 * each entry (eg. 3 for YUV palette entries). set to zero for non-palette images 1661 */ 1662 int entry_bytes; 1663 /* 1664 * An array of ascii characters describing the order of the components within the bytes. 1665 * Only entry_bytes characters of the string are used. 1666 */ 1667 char component_order[4]; 1668} VAImage; 1669 1670/* Get maximum number of image formats supported by the implementation */ 1671int vaMaxNumImageFormats ( 1672 VADisplay dpy 1673); 1674 1675/* 1676 * Query supported image formats 1677 * The caller must provide a "format_list" array that can hold at 1678 * least vaMaxNumImageFormats() entries. The actual number of formats 1679 * returned in "format_list" is returned in "num_formats". 1680 */ 1681VAStatus vaQueryImageFormats ( 1682 VADisplay dpy, 1683 VAImageFormat *format_list, /* out */ 1684 int *num_formats /* out */ 1685); 1686 1687/* 1688 * Create a VAImage structure 1689 * The width and height fields returned in the VAImage structure may get 1690 * enlarged for some YUV formats. Upon return from this function, 1691 * image->buf has been created and proper storage allocated by the library. 1692 * The client can access the image through the Map/Unmap calls. 1693 */ 1694VAStatus vaCreateImage ( 1695 VADisplay dpy, 1696 VAImageFormat *format, 1697 int width, 1698 int height, 1699 VAImage *image /* out */ 1700); 1701 1702/* 1703 * Should call DestroyImage before destroying the surface it is bound to 1704 */ 1705VAStatus vaDestroyImage ( 1706 VADisplay dpy, 1707 VAImageID image 1708); 1709 1710VAStatus vaSetImagePalette ( 1711 VADisplay dpy, 1712 VAImageID image, 1713 /* 1714 * pointer to an array holding the palette data. The size of the array is 1715 * num_palette_entries * entry_bytes in size. The order of the components 1716 * in the palette is described by the component_order in VAImage struct 1717 */ 1718 unsigned char *palette 1719); 1720 1721/* 1722 * Retrive surface data into a VAImage 1723 * Image must be in a format supported by the implementation 1724 */ 1725VAStatus vaGetImage ( 1726 VADisplay dpy, 1727 VASurfaceID surface, 1728 int x, /* coordinates of the upper left source pixel */ 1729 int y, 1730 unsigned int width, /* width and height of the region */ 1731 unsigned int height, 1732 VAImageID image 1733); 1734 1735/* 1736 * Copy data from a VAImage to a surface 1737 * Image must be in a format supported by the implementation 1738 * Returns a VA_STATUS_ERROR_SURFACE_BUSY if the surface 1739 * shouldn't be rendered into when this is called 1740 */ 1741VAStatus vaPutImage ( 1742 VADisplay dpy, 1743 VASurfaceID surface, 1744 VAImageID image, 1745 int src_x, 1746 int src_y, 1747 unsigned int src_width, 1748 unsigned int src_height, 1749 int dest_x, 1750 int dest_y, 1751 unsigned int dest_width, 1752 unsigned int dest_height 1753); 1754 1755/* 1756 * Derive an VAImage from an existing surface. 1757 * This interface will derive a VAImage and corresponding image buffer from 1758 * an existing VA Surface. The image buffer can then be mapped/unmapped for 1759 * direct CPU access. This operation is only possible on implementations with 1760 * direct rendering capabilities and internal surface formats that can be 1761 * represented with a VAImage. When the operation is not possible this interface 1762 * will return VA_STATUS_ERROR_OPERATION_FAILED. Clients should then fall back 1763 * to using vaCreateImage + vaPutImage to accomplish the same task in an 1764 * indirect manner. 1765 * 1766 * Implementations should only return success when the resulting image buffer 1767 * would be useable with vaMap/Unmap. 1768 * 1769 * When directly accessing a surface special care must be taken to insure 1770 * proper synchronization with the graphics hardware. Clients should call 1771 * vaQuerySurfaceStatus to insure that a surface is not the target of concurrent 1772 * rendering or currently being displayed by an overlay. 1773 * 1774 * Additionally nothing about the contents of a surface should be assumed 1775 * following a vaPutSurface. Implementations are free to modify the surface for 1776 * scaling or subpicture blending within a call to vaPutImage. 1777 * 1778 * Calls to vaPutImage or vaGetImage using the same surface from which the image 1779 * has been derived will return VA_STATUS_ERROR_SURFACE_BUSY. vaPutImage or 1780 * vaGetImage with other surfaces is supported. 1781 * 1782 * An image created with vaDeriveImage should be freed with vaDestroyImage. The 1783 * image and image buffer structures will be destroyed; however, the underlying 1784 * surface will remain unchanged until freed with vaDestroySurfaces. 1785 */ 1786VAStatus vaDeriveImage ( 1787 VADisplay dpy, 1788 VASurfaceID surface, 1789 VAImage *image /* out */ 1790); 1791 1792/* 1793 * Subpictures 1794 * Subpicture is a special type of image that can be blended 1795 * with a surface during vaPutSurface(). Subpicture can be used to render 1796 * DVD sub-titles or closed captioning text etc. 1797 */ 1798 1799typedef VAGenericID VASubpictureID; 1800 1801/* Get maximum number of subpicture formats supported by the implementation */ 1802int vaMaxNumSubpictureFormats ( 1803 VADisplay dpy 1804); 1805 1806/* flags for subpictures */ 1807#define VA_SUBPICTURE_CHROMA_KEYING 0x0001 1808#define VA_SUBPICTURE_GLOBAL_ALPHA 0x0002 1809#define VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD 0x0004 1810/* 1811 * Query supported subpicture formats 1812 * The caller must provide a "format_list" array that can hold at 1813 * least vaMaxNumSubpictureFormats() entries. The flags arrary holds the flag 1814 * for each format to indicate additional capabilities for that format. The actual 1815 * number of formats returned in "format_list" is returned in "num_formats". 1816 * flags: returned value to indicate addtional capabilities 1817 * VA_SUBPICTURE_CHROMA_KEYING - supports chroma-keying 1818 * VA_SUBPICTURE_GLOBAL_ALPHA - supports global alpha 1819 * VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD - supports unscaled screen relative subpictures for On Screen Display 1820 */ 1821 1822VAStatus vaQuerySubpictureFormats ( 1823 VADisplay dpy, 1824 VAImageFormat *format_list, /* out */ 1825 unsigned int *flags, /* out */ 1826 unsigned int *num_formats /* out */ 1827); 1828 1829/* 1830 * Subpictures are created with an image associated. 1831 */ 1832VAStatus vaCreateSubpicture ( 1833 VADisplay dpy, 1834 VAImageID image, 1835 VASubpictureID *subpicture /* out */ 1836); 1837 1838/* 1839 * Destroy the subpicture before destroying the image it is assocated to 1840 */ 1841VAStatus vaDestroySubpicture ( 1842 VADisplay dpy, 1843 VASubpictureID subpicture 1844); 1845 1846/* 1847 * Bind an image to the subpicture. This image will now be associated with 1848 * the subpicture instead of the one at creation. 1849 */ 1850VAStatus vaSetSubpictureImage ( 1851 VADisplay dpy, 1852 VASubpictureID subpicture, 1853 VAImageID image 1854); 1855 1856/* 1857 * If chromakey is enabled, then the area where the source value falls within 1858 * the chromakey [min, max] range is transparent 1859 * The chromakey component format is the following: 1860 * For RGB: [0:7] Red [8:15] Blue [16:23] Green 1861 * For YUV: [0:7] V [8:15] U [16:23] Y 1862 * The chromakey mask can be used to mask out certain components for chromakey 1863 * comparision 1864 */ 1865VAStatus vaSetSubpictureChromakey ( 1866 VADisplay dpy, 1867 VASubpictureID subpicture, 1868 unsigned int chromakey_min, 1869 unsigned int chromakey_max, 1870 unsigned int chromakey_mask 1871); 1872 1873/* 1874 * Global alpha value is between 0 and 1. A value of 1 means fully opaque and 1875 * a value of 0 means fully transparent. If per-pixel alpha is also specified then 1876 * the overall alpha is per-pixel alpha multiplied by the global alpha 1877 */ 1878VAStatus vaSetSubpictureGlobalAlpha ( 1879 VADisplay dpy, 1880 VASubpictureID subpicture, 1881 float global_alpha 1882); 1883 1884/* 1885 * vaAssociateSubpicture associates the subpicture with target_surfaces. 1886 * It defines the region mapping between the subpicture and the target 1887 * surfaces through source and destination rectangles (with the same width and height). 1888 * Both will be displayed at the next call to vaPutSurface. Additional 1889 * associations before the call to vaPutSurface simply overrides the association. 1890 */ 1891VAStatus vaAssociateSubpicture ( 1892 VADisplay dpy, 1893 VASubpictureID subpicture, 1894 VASurfaceID *target_surfaces, 1895 int num_surfaces, 1896 short src_x, /* upper left offset in subpicture */ 1897 short src_y, 1898 unsigned short src_width, 1899 unsigned short src_height, 1900 short dest_x, /* upper left offset in surface */ 1901 short dest_y, 1902 unsigned short dest_width, 1903 unsigned short dest_height, 1904 /* 1905 * whether to enable chroma-keying, global-alpha, or screen relative mode 1906 * see VA_SUBPICTURE_XXX values 1907 */ 1908 unsigned int flags 1909); 1910 1911/* 1912 * vaDeassociateSubpicture removes the association of the subpicture with target_surfaces. 1913 */ 1914VAStatus vaDeassociateSubpicture ( 1915 VADisplay dpy, 1916 VASubpictureID subpicture, 1917 VASurfaceID *target_surfaces, 1918 int num_surfaces 1919); 1920 1921typedef struct _VARectangle 1922{ 1923 short x; 1924 short y; 1925 unsigned short width; 1926 unsigned short height; 1927} VARectangle; 1928 1929/* 1930 * Display attributes 1931 * Display attributes are used to control things such as contrast, hue, saturation, 1932 * brightness etc. in the rendering process. The application can query what 1933 * attributes are supported by the driver, and then set the appropriate attributes 1934 * before calling vaPutSurface() 1935 */ 1936/* PowerVR IEP Lite attributes */ 1937typedef enum 1938{ 1939 VADISPLAYATTRIB_BLE_OFF = 0x00, 1940 VADISPLAYATTRIB_BLE_LOW, 1941 VADISPLAYATTRIB_BLE_MEDIUM, 1942 VADISPLAYATTRIB_BLE_HIGH, 1943 VADISPLAYATTRIB_BLE_NONE, 1944} VADisplayAttribBLEMode; 1945 1946/* attribute value for VADisplayAttribRotation */ 1947#define VA_ROTATION_NONE 0x00000000 1948#define VA_ROTATION_90 0x00000001 1949#define VA_ROTATION_180 0x00000002 1950#define VA_ROTATION_270 0x00000003 1951 1952/* attribute value for VADisplayAttribOutOfLoopDeblock */ 1953#define VA_OOL_DEBLOCKING_FALSE 0x00000000 1954#define VA_OOL_DEBLOCKING_TRUE 0x00000001 1955 1956/* Render mode */ 1957#define VA_RENDER_MODE_UNDEFINED 0 1958#define VA_RENDER_MODE_LOCAL_OVERLAY 1 1959#define VA_RENDER_MODE_LOCAL_GPU 2 1960#define VA_RENDER_MODE_EXTERNAL_OVERLAY 4 1961#define VA_RENDER_MODE_EXTERNAL_GPU 8 1962 1963/* Render device */ 1964#define VA_RENDER_DEVICE_UNDEFINED 0 1965#define VA_RENDER_DEVICE_LOCAL 1 1966#define VA_RENDER_DEVICE_EXTERNAL 2 1967 1968/* Currently defined display attribute types */ 1969typedef enum 1970{ 1971 VADisplayAttribBrightness = 0, 1972 VADisplayAttribContrast = 1, 1973 VADisplayAttribHue = 2, 1974 VADisplayAttribSaturation = 3, 1975 /* client can specifiy a background color for the target window 1976 * the new feature of video conference, 1977 * the uncovered area of the surface is filled by this color 1978 * also it will blend with the decoded video color 1979 */ 1980 VADisplayAttribBackgroundColor = 4, 1981 /* 1982 * this is a gettable only attribute. For some implementations that use the 1983 * hardware overlay, after PutSurface is called, the surface can not be 1984 * re-used until after the subsequent PutSurface call. If this is the case 1985 * then the value for this attribute will be set to 1 so that the client 1986 * will not attempt to re-use the surface right after returning from a call 1987 * to PutSurface. 1988 * 1989 * Don't use it, use flag VASurfaceDisplaying of vaQuerySurfaceStatus since 1990 * driver may use overlay or GPU alternatively 1991 */ 1992 VADisplayAttribDirectSurface = 5, 1993 VADisplayAttribRotation = 6, 1994 VADisplayAttribOutofLoopDeblock = 7, 1995 1996 /* PowerVR IEP Lite specific attributes */ 1997 VADisplayAttribBLEBlackMode = 8, 1998 VADisplayAttribBLEWhiteMode = 9, 1999 VADisplayAttribBlueStretch = 10, 2000 VADisplayAttribSkinColorCorrection = 11, 2001 /* 2002 * For type VADisplayAttribCSCMatrix, "value" field is a pointer to the color 2003 * conversion matrix. Each element in the matrix is float-point 2004 */ 2005 VADisplayAttribCSCMatrix = 12, 2006 /* specify the constant color used to blend with video surface 2007 * Cd = Cv*Cc*Ac + Cb *(1 - Ac) C means the constant RGB 2008 * d: the final color to overwrite into the frame buffer 2009 * v: decoded video after color conversion, 2010 * c: video color specified by VADisplayAttribBlendColor 2011 * b: background color of the drawable 2012 */ 2013 VADisplayAttribBlendColor = 13, 2014 /* 2015 * Indicate driver to skip painting color key or not. 2016 * only applicable if the render is overlay 2017 */ 2018 VADisplayAttribOverlayAutoPaintColorKey = 14, 2019 /* 2020 * customized overlay color key, the format is RGB888 2021 * [23:16] = Red, [15:08] = Green, [07:00] = Blue. 2022 */ 2023 VADisplayAttribOverlayColorKey = 15, 2024 /* 2025 * The hint for the implementation of vaPutSurface 2026 * normally, the driver could use an overlay or GPU to render the surface on the screen 2027 * this flag provides APP the flexibity to switch the render dynamically 2028 */ 2029 VADisplayAttribRenderMode = 16, 2030 /* 2031 * specify if vaPutSurface needs to render into specified monitors 2032 * one example is that one external monitor (e.g. HDMI) is enabled, 2033 * but the window manager is not aware of it, and there is no associated drawable 2034 */ 2035 VADisplayAttribRenderDevice = 17, 2036 /* 2037 * specify vaPutSurface render area if there is no drawable on the monitor 2038 */ 2039 VADisplayAttribRenderRect = 18, 2040} VADisplayAttribType; 2041 2042/* flags for VADisplayAttribute */ 2043#define VA_DISPLAY_ATTRIB_NOT_SUPPORTED 0x0000 2044#define VA_DISPLAY_ATTRIB_GETTABLE 0x0001 2045#define VA_DISPLAY_ATTRIB_SETTABLE 0x0002 2046 2047typedef struct _VADisplayAttribute 2048{ 2049 VADisplayAttribType type; 2050 int min_value; 2051 int max_value; 2052 int value; /* used by the set/get attribute functions */ 2053/* flags can be VA_DISPLAY_ATTRIB_GETTABLE or VA_DISPLAY_ATTRIB_SETTABLE or OR'd together */ 2054 unsigned int flags; 2055} VADisplayAttribute; 2056 2057/* Get maximum number of display attributs supported by the implementation */ 2058int vaMaxNumDisplayAttributes ( 2059 VADisplay dpy 2060); 2061 2062/* 2063 * Query display attributes 2064 * The caller must provide a "attr_list" array that can hold at 2065 * least vaMaxNumDisplayAttributes() entries. The actual number of attributes 2066 * returned in "attr_list" is returned in "num_attributes". 2067 */ 2068VAStatus vaQueryDisplayAttributes ( 2069 VADisplay dpy, 2070 VADisplayAttribute *attr_list, /* out */ 2071 int *num_attributes /* out */ 2072); 2073 2074/* 2075 * Get display attributes 2076 * This function returns the current attribute values in "attr_list". 2077 * Only attributes returned with VA_DISPLAY_ATTRIB_GETTABLE set in the "flags" field 2078 * from vaQueryDisplayAttributes() can have their values retrieved. 2079 */ 2080VAStatus vaGetDisplayAttributes ( 2081 VADisplay dpy, 2082 VADisplayAttribute *attr_list, /* in/out */ 2083 int num_attributes 2084); 2085 2086/* 2087 * Set display attributes 2088 * Only attributes returned with VA_DISPLAY_ATTRIB_SETTABLE set in the "flags" field 2089 * from vaQueryDisplayAttributes() can be set. If the attribute is not settable or 2090 * the value is out of range, the function returns VA_STATUS_ERROR_ATTR_NOT_SUPPORTED 2091 */ 2092VAStatus vaSetDisplayAttributes ( 2093 VADisplay dpy, 2094 VADisplayAttribute *attr_list, 2095 int num_attributes 2096); 2097 2098#ifdef __cplusplus 2099} 2100#endif 2101 2102#endif /* _VA_H_ */ 2103