2 * Copyright (c) 2007-2009 Intel Corporation. All Rights Reserved.
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:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
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.
25 * Video Acceleration (VA) API Specification
28 * <jonathan.bian@intel.com>
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
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.
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
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.
74 #include <va/va_version.h>
83 The VA API is intended to provide an interface between a video decode/encode/display
84 application (client) and a hardware accelerator (server), to off-load
85 video decode/encode/display operations from the host to the hardware accelerator at various
88 The basic operation steps are:
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
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
99 Initialization & Configuration Management
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
108 typedef void* VADisplay; /* window system dependent */
110 typedef 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
139 /* De-interlacing flags for vaPutSurface() */
140 #define VA_FRAME_PICTURE 0x00000000
141 #define VA_TOP_FIELD 0x00000001
142 #define VA_BOTTOM_FIELD 0x00000002
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
150 #define VA_ENABLE_BLEND 0x00000004 /* video area blend with the constant color */
153 * Clears the drawable with background color.
154 * for hardware overlay based implementation this flag
155 * can be used to turn off the overlay
157 #define VA_CLEAR_DRAWABLE 0x00000008
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
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
172 * Returns a short english description of error_status
174 const char *vaErrorStr(VAStatus error_status);
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()
183 typedef void* VANativeDisplay; /* window system dependent */
186 * Returns a suitable VADisplay for VA API
188 VADisplay vaGetDisplay (
192 int vaDisplayIsValid(VADisplay dpy);
195 * Initialize the library
197 VAStatus vaInitialize (
199 int *major_version, /* out */
200 int *minor_version /* out */
204 * After this call, all library internal resources will be cleaned up
206 VAStatus vaTerminate (
211 * vaQueryVendorString returns a pointer to a zero-terminated string
212 * describing some aspects of the VA implemenation on a specific
213 * hardware accelerator. The format of the returned string is vendor
214 * specific and at the discretion of the implementer.
215 * e.g. for the Intel GMA500 implementation, an example would be:
216 * "Intel GMA500 - 2.0.0.32L.0005"
218 const char *vaQueryVendorString (
222 typedef int (*VAPrivFunc)();
225 * Return a function pointer given a function name in the library.
226 * This allows private interfaces into the library
228 VAPrivFunc vaGetLibFunc (
233 /* Currently defined profiles */
236 VAProfileMPEG2Simple = 0,
237 VAProfileMPEG2Main = 1,
238 VAProfileMPEG4Simple = 2,
239 VAProfileMPEG4AdvancedSimple = 3,
240 VAProfileMPEG4Main = 4,
241 VAProfileH264Baseline = 5,
242 VAProfileH264Main = 6,
243 VAProfileH264High = 7,
244 VAProfileVC1Simple = 8,
245 VAProfileVC1Main = 9,
246 VAProfileVC1Advanced = 10,
247 VAProfileH263Baseline = 11,
248 VAProfileJPEGBaseline = 12,
249 VAProfileH264ConstrainedBaseline = 13
253 * Currently defined entrypoints
259 VAEntrypointIDCT = 3,
260 VAEntrypointMoComp = 4,
261 VAEntrypointDeblocking = 5,
262 VAEntrypointEncSlice = 6, /* slice level encode */
263 VAEntrypointEncPicture = 7 /* pictuer encode, JPEG, etc */
266 /* Currently defined configuration attribute types */
269 VAConfigAttribRTFormat = 0,
270 VAConfigAttribSpatialResidual = 1,
271 VAConfigAttribSpatialClipping = 2,
272 VAConfigAttribIntraResidual = 3,
273 VAConfigAttribEncryption = 4,
274 VAConfigAttribRateControl = 5
275 } VAConfigAttribType;
278 * Configuration attributes
279 * If there is more than one value for an attribute, a default
280 * value will be assigned to the attribute if the client does not
281 * specify the attribute when creating a configuration
283 typedef struct _VAConfigAttrib {
284 VAConfigAttribType type;
285 unsigned int value; /* OR'd flags (bits) for this attribute */
288 /* attribute value for VAConfigAttribRTFormat */
289 #define VA_RT_FORMAT_YUV420 0x00000001
290 #define VA_RT_FORMAT_YUV422 0x00000002
291 #define VA_RT_FORMAT_YUV444 0x00000004
292 #define VA_RT_FORMAT_PROTECTED 0x80000000
294 /* attribute value for VAConfigAttribRateControl */
295 #define VA_RC_NONE 0x00000001
296 #define VA_RC_CBR 0x00000002
297 #define VA_RC_VBR 0x00000004
298 #define VA_RC_VCM 0x00000008 /* video conference mode */
301 * if an attribute is not applicable for a given
302 * profile/entrypoint pair, then set the value to the following
304 #define VA_ATTRIB_NOT_SUPPORTED 0x80000000
306 /* Get maximum number of profiles supported by the implementation */
307 int vaMaxNumProfiles (
311 /* Get maximum number of entrypoints supported by the implementation */
312 int vaMaxNumEntrypoints (
316 /* Get maximum number of attributs supported by the implementation */
317 int vaMaxNumConfigAttributes (
322 * Query supported profiles
323 * The caller must provide a "profile_list" array that can hold at
324 * least vaMaxNumProfile() entries. The actual number of profiles
325 * returned in "profile_list" is returned in "num_profile".
327 VAStatus vaQueryConfigProfiles (
329 VAProfile *profile_list, /* out */
330 int *num_profiles /* out */
334 * Query supported entrypoints for a given profile
335 * The caller must provide an "entrypoint_list" array that can hold at
336 * least vaMaxNumEntrypoints() entries. The actual number of entrypoints
337 * returned in "entrypoint_list" is returned in "num_entrypoints".
339 VAStatus vaQueryConfigEntrypoints (
342 VAEntrypoint *entrypoint_list, /* out */
343 int *num_entrypoints /* out */
347 * Get attributes for a given profile/entrypoint pair
348 * The caller must provide an "attrib_list" with all attributes to be
349 * retrieved. Upon return, the attributes in "attrib_list" have been
350 * updated with their value. Unknown attributes or attributes that are
351 * not supported for the given profile/entrypoint pair will have their
352 * value set to VA_ATTRIB_NOT_SUPPORTED
354 VAStatus vaGetConfigAttributes (
357 VAEntrypoint entrypoint,
358 VAConfigAttrib *attrib_list, /* in/out */
362 /* Generic ID type, can be re-typed for specific implementation */
363 typedef unsigned int VAGenericID;
365 typedef VAGenericID VAConfigID;
368 * Create a configuration for the decode pipeline
369 * it passes in the attribute list that specifies the attributes it cares
370 * about, with the rest taking default values.
372 VAStatus vaCreateConfig (
375 VAEntrypoint entrypoint,
376 VAConfigAttrib *attrib_list,
378 VAConfigID *config_id /* out */
382 * Free resources associdated with a given config
384 VAStatus vaDestroyConfig (
390 * Query all attributes for a given configuration
391 * The profile of the configuration is returned in "profile"
392 * The entrypoint of the configuration is returned in "entrypoint"
393 * The caller must provide an "attrib_list" array that can hold at least
394 * vaMaxNumConfigAttributes() entries. The actual number of attributes
395 * returned in "attrib_list" is returned in "num_attribs"
397 VAStatus vaQueryConfigAttributes (
399 VAConfigID config_id,
400 VAProfile *profile, /* out */
401 VAEntrypoint *entrypoint, /* out */
402 VAConfigAttrib *attrib_list,/* out */
403 int *num_attribs /* out */
408 * Contexts and Surfaces
410 * Context represents a "virtual" video decode pipeline. Surfaces are render
411 * targets for a given context. The data in the surfaces are not accessible
412 * to the client and the internal data format of the surface is implementatin
415 * Surfaces will be bound to a context when the context is created. Once
416 * a surface is bound to a given context, it can not be used to create
417 * another context. The association is removed when the context is destroyed
419 * Both contexts and surfaces are identified by unique IDs and its
420 * implementation specific internals are kept opaque to the clients
423 typedef VAGenericID VAContextID;
425 typedef VAGenericID VASurfaceID;
427 #define VA_INVALID_ID 0xffffffff
428 #define VA_INVALID_SURFACE VA_INVALID_ID
431 * vaCreateSurfaces - Create an array of surfaces used for decode and display
433 * width: surface width
434 * height: surface height
435 * format: VA_RT_FORMAT_YUV420, VA_RT_FORMAT_YUV422 or VA_RT_FORMAT_YUV444
436 * num_surfaces: number of surfaces to be created
437 * surfaces: array of surfaces created upon return
439 VAStatus vaCreateSurfaces (
445 VASurfaceID *surfaces /* out */
450 * vaDestroySurfaces - Destroy resources associated with surfaces.
451 * Surfaces can only be destroyed after the context associated has been
454 * surfaces: array of surfaces to destroy
455 * num_surfaces: number of surfaces in the array to be destroyed.
457 VAStatus vaDestroySurfaces (
459 VASurfaceID *surfaces,
463 #define VA_PROGRESSIVE 0x1
465 * vaCreateContext - Create a context
467 * config_id: configuration for the context
468 * picture_width: coded picture width
469 * picture_height: coded picture height
470 * flag: any combination of the following:
471 * VA_PROGRESSIVE (only progressive frame pictures in the sequence when set)
472 * render_targets: render targets (surfaces) tied to the context
473 * num_render_targets: number of render targets in the above array
474 * context: created context id upon return
476 VAStatus vaCreateContext (
478 VAConfigID config_id,
482 VASurfaceID *render_targets,
483 int num_render_targets,
484 VAContextID *context /* out */
488 * vaDestroyContext - Destroy a context
490 * context: context to be destroyed
492 VAStatus vaDestroyContext (
499 * Buffers are used to pass various types of data from the
500 * client to the server. The server maintains a data store
501 * for each buffer created, and the client idenfies a buffer
502 * through a unique buffer id assigned by the server.
505 typedef VAGenericID VABufferID;
509 VAPictureParameterBufferType = 0,
510 VAIQMatrixBufferType = 1,
511 VABitPlaneBufferType = 2,
512 VASliceGroupMapBufferType = 3,
513 VASliceParameterBufferType = 4,
514 VASliceDataBufferType = 5,
515 VAMacroblockParameterBufferType = 6,
516 VAResidualDataBufferType = 7,
517 VADeblockingParameterBufferType = 8,
518 VAImageBufferType = 9,
519 VAProtectedSliceDataBufferType = 10,
520 VAQMatrixBufferType = 11,
521 /* Following are encode buffer types */
522 VAEncCodedBufferType = 21,
523 VAEncSequenceParameterBufferType = 22,
524 VAEncPictureParameterBufferType = 23,
525 VAEncSliceParameterBufferType = 24,
526 VAEncH264VUIBufferType = 25,
527 VAEncH264SEIBufferType = 26,
528 VAEncMiscParameterBufferType = 27,
529 VABufferTypeMax = 0xff
534 VAEncMiscParameterTypeFrameRate = 0,
535 VAEncMiscParameterTypeRateControl = 1,
536 VAEncMiscParameterTypeMaxSliceSize = 2,
537 VAEncMiscParameterTypeAIR = 3,
538 } VAEncMiscParameterType;
541 * For application, e.g. set a new bitrate
543 * VAEncMiscParameterBuffer *misc_param;
544 * VAEncMiscParameterRateControl *misc_rate_ctrl;
546 * vaCreateBuffer(dpy, context, VAEncMiscParameterBufferType,
547 * sizeof(VAEncMiscParameterBuffer) + sizeof(VAEncMiscParameterRateControl),
550 * vaMapBuffer(dpy,buf_id,(void **)&misc_param);
551 * misc_param->type = VAEncMiscParameterTypeRateControl;
552 * misc_rate_ctrl= (VAEncMiscParameterRateControl *)misc_param->data;
553 * misc_rate_ctrl->bits_per_second = 6400000;
554 * vaUnmapBuffer(dpy, buf_id);
555 * vaRenderPicture(dpy, context, &buf_id, 1);
557 typedef struct _VAEncMiscParameterBuffer
559 VAEncMiscParameterType type;
560 unsigned int data[0];
561 } VAEncMiscParameterBuffer;
563 typedef struct _VAEncMiscParameterRateControl
565 unsigned int bits_per_second; /* this is the maximum bit-rate to be constrained by the rate control implementation */
566 unsigned int target_percentage; /* this is the bit-rate the rate control is targeting, as a percentage of the maximum bit-rate */
567 /* for example if target_percentage is 95 then the rate control will target a bit-rate that is */
568 /* 95% of the maximum bit-rate */
569 unsigned int window_size; /* windows size in milliseconds. For example if this is set to 500, then the rate control will guarantee the */
570 /* target bit-rate over a 500 ms window */
571 unsigned int initial_qp; /* initial QP at I frames */
573 } VAEncMiscParameterRateControl;
575 typedef struct _VAEncMiscParameterFrameRate
577 unsigned int framerate;
578 } VAEncMiscParameterFrameRate;
581 * Allow a maximum slice size to be specified (in bits).
582 * The encoder will attempt to make sure that individual slices do not exceed this size
583 * Or to signal applicate if the slice size exceed this size, see "status" of VACodedBufferSegment
585 typedef struct _VAEncMiscParameterMaxSliceSize
587 unsigned int max_slice_size;
588 } VAEncMiscParameterMaxSliceSize;
590 typedef struct _VAEncMiscParameterAIR
592 unsigned int air_num_mbs;
593 unsigned int air_threshold;
594 unsigned int air_auto; /* if set to 1 then hardware auto-tune the AIR threshold */
595 } VAEncMiscParameterAIR;
599 * There will be cases where the bitstream buffer will not have enough room to hold
600 * the data for the entire slice, and the following flags will be used in the slice
601 * parameter to signal to the server for the possible cases.
602 * If a slice parameter buffer and slice data buffer pair is sent to the server with
603 * the slice data partially in the slice data buffer (BEGIN and MIDDLE cases below),
604 * then a slice parameter and data buffer needs to be sent again to complete this slice.
606 #define VA_SLICE_DATA_FLAG_ALL 0x00 /* whole slice is in the buffer */
607 #define VA_SLICE_DATA_FLAG_BEGIN 0x01 /* The beginning of the slice is in the buffer but the end if not */
608 #define VA_SLICE_DATA_FLAG_MIDDLE 0x02 /* Neither beginning nor end of the slice is in the buffer */
609 #define VA_SLICE_DATA_FLAG_END 0x04 /* end of the slice is in the buffer */
611 /* Codec-independent Slice Parameter Buffer base */
612 typedef struct _VASliceParameterBufferBase
614 unsigned int slice_data_size; /* number of bytes in the slice data buffer for this slice */
615 unsigned int slice_data_offset; /* the offset to the first byte of slice data */
616 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX definitions */
617 } VASliceParameterBufferBase;
620 /****************************
621 * JEPG data structure
622 ***************************/
623 typedef struct _VAQMatrixBufferJPEG
625 int load_lum_quantiser_matrix;
626 int load_chroma_quantiser_matrix;
627 unsigned char lum_quantiser_matrix[64];
628 unsigned char chroma_quantiser_matrix[64];
629 } VAQMatrixBufferJPEG;
631 typedef struct _VAEncPictureParameterBufferJPEG
633 VASurfaceID reconstructed_picture;
634 unsigned short picture_width;
635 unsigned short picture_height;
636 VABufferID coded_buf;
637 } VAEncPictureParameterBufferJPEG;
640 /****************************
641 * MPEG-2 data structures
642 ****************************/
644 /* MPEG-2 Picture Parameter Buffer */
646 * For each frame or field, and before any slice data, a single
647 * picture parameter buffer must be send.
649 typedef struct _VAPictureParameterBufferMPEG2
651 unsigned short horizontal_size;
652 unsigned short vertical_size;
653 VASurfaceID forward_reference_picture;
654 VASurfaceID backward_reference_picture;
655 /* meanings of the following fields are the same as in the standard */
656 int picture_coding_type;
657 int f_code; /* pack all four fcode into this */
660 unsigned int intra_dc_precision : 2;
661 unsigned int picture_structure : 2;
662 unsigned int top_field_first : 1;
663 unsigned int frame_pred_frame_dct : 1;
664 unsigned int concealment_motion_vectors : 1;
665 unsigned int q_scale_type : 1;
666 unsigned int intra_vlc_format : 1;
667 unsigned int alternate_scan : 1;
668 unsigned int repeat_first_field : 1;
669 unsigned int progressive_frame : 1;
670 unsigned int is_first_field : 1; /* indicate whether the current field
671 * is the first field for field picture
675 } picture_coding_extension;
676 } VAPictureParameterBufferMPEG2;
678 /* MPEG-2 Inverse Quantization Matrix Buffer */
679 typedef struct _VAIQMatrixBufferMPEG2
681 int load_intra_quantiser_matrix;
682 int load_non_intra_quantiser_matrix;
683 int load_chroma_intra_quantiser_matrix;
684 int load_chroma_non_intra_quantiser_matrix;
685 unsigned char intra_quantiser_matrix[64];
686 unsigned char non_intra_quantiser_matrix[64];
687 unsigned char chroma_intra_quantiser_matrix[64];
688 unsigned char chroma_non_intra_quantiser_matrix[64];
689 } VAIQMatrixBufferMPEG2;
691 /* MPEG-2 Slice Parameter Buffer */
692 typedef struct _VASliceParameterBufferMPEG2
694 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
695 unsigned int slice_data_offset;/* the offset to the first byte of slice data */
696 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
697 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */
698 unsigned int slice_horizontal_position;
699 unsigned int slice_vertical_position;
700 int quantiser_scale_code;
701 int intra_slice_flag;
702 } VASliceParameterBufferMPEG2;
704 /* MPEG-2 Macroblock Parameter Buffer */
705 typedef struct _VAMacroblockParameterBufferMPEG2
707 unsigned short macroblock_address;
709 * macroblock_address (in raster scan order)
711 * bottom-right: picture-height-in-mb*picture-width-in-mb - 1
713 unsigned char macroblock_type; /* see definition below */
716 unsigned int frame_motion_type : 2;
717 unsigned int field_motion_type : 2;
718 unsigned int dct_type : 1;
722 unsigned char motion_vertical_field_select;
724 * motion_vertical_field_select:
725 * see section 6.3.17.2 in the spec
726 * only the lower 4 bits are used
727 * bit 0: first vector forward
728 * bit 1: first vector backward
729 * bit 2: second vector forward
730 * bit 3: second vector backward
732 short PMV[2][2][2]; /* see Table 7-7 in the spec */
733 unsigned short coded_block_pattern;
735 * The bitplanes for coded_block_pattern are described
736 * in Figure 6.10-12 in the spec
739 /* Number of skipped macroblocks after this macroblock */
740 unsigned short num_skipped_macroblocks;
741 } VAMacroblockParameterBufferMPEG2;
744 * OR'd flags for macroblock_type (section 6.3.17.1 in the spec)
746 #define VA_MB_TYPE_MOTION_FORWARD 0x02
747 #define VA_MB_TYPE_MOTION_BACKWARD 0x04
748 #define VA_MB_TYPE_MOTION_PATTERN 0x08
749 #define VA_MB_TYPE_MOTION_INTRA 0x10
752 * MPEG-2 Residual Data Buffer
753 * For each macroblock, there wil be 64 shorts (16-bit) in the
754 * residual data buffer
757 /****************************
758 * MPEG-4 Part 2 data structures
759 ****************************/
761 /* MPEG-4 Picture Parameter Buffer */
763 * For each frame or field, and before any slice data, a single
764 * picture parameter buffer must be send.
766 typedef struct _VAPictureParameterBufferMPEG4
768 unsigned short vop_width;
769 unsigned short vop_height;
770 VASurfaceID forward_reference_picture;
771 VASurfaceID backward_reference_picture;
774 unsigned int short_video_header : 1;
775 unsigned int chroma_format : 2;
776 unsigned int interlaced : 1;
777 unsigned int obmc_disable : 1;
778 unsigned int sprite_enable : 2;
779 unsigned int sprite_warping_accuracy : 2;
780 unsigned int quant_type : 1;
781 unsigned int quarter_sample : 1;
782 unsigned int data_partitioned : 1;
783 unsigned int reversible_vlc : 1;
784 unsigned int resync_marker_disable : 1;
788 unsigned char no_of_sprite_warping_points;
789 short sprite_trajectory_du[3];
790 short sprite_trajectory_dv[3];
791 unsigned char quant_precision;
794 unsigned int vop_coding_type : 2;
795 unsigned int backward_reference_vop_coding_type : 2;
796 unsigned int vop_rounding_type : 1;
797 unsigned int intra_dc_vlc_thr : 3;
798 unsigned int top_field_first : 1;
799 unsigned int alternate_vertical_scan_flag : 1;
803 unsigned char vop_fcode_forward;
804 unsigned char vop_fcode_backward;
805 unsigned short vop_time_increment_resolution;
806 /* short header related */
807 unsigned char num_gobs_in_vop;
808 unsigned char num_macroblocks_in_gob;
809 /* for direct mode prediction */
812 } VAPictureParameterBufferMPEG4;
814 /* MPEG-4 Inverse Quantization Matrix Buffer */
815 typedef struct _VAIQMatrixBufferMPEG4
817 int load_intra_quant_mat;
818 int load_non_intra_quant_mat;
819 unsigned char intra_quant_mat[64];
820 unsigned char non_intra_quant_mat[64];
821 } VAIQMatrixBufferMPEG4;
823 /* MPEG-4 Slice Parameter Buffer */
824 typedef struct _VASliceParameterBufferMPEG4
826 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
827 unsigned int slice_data_offset;/* the offset to the first byte of slice data */
828 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
829 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */
830 unsigned int macroblock_number;
832 } VASliceParameterBufferMPEG4;
838 typedef enum /* see 7.1.1.32 */
841 VAMvMode1MvHalfPel = 1,
842 VAMvMode1MvHalfPelBilinear = 2,
844 VAMvModeIntensityCompensation = 4
847 /* VC-1 Picture Parameter Buffer */
849 * For each picture, and before any slice data, a picture parameter
850 * buffer must be send. Multiple picture parameter buffers may be
851 * sent for a single picture. In that case picture parameters will
852 * apply to all slice data that follow it until a new picture
853 * parameter buffer is sent.
856 * pic_quantizer_type should be set to the applicable quantizer
857 * type as defined by QUANTIZER (J.1.19) and either
858 * PQUANTIZER (7.1.1.8) or PQINDEX (7.1.1.6)
860 typedef struct _VAPictureParameterBufferVC1
862 VASurfaceID forward_reference_picture;
863 VASurfaceID backward_reference_picture;
864 /* if out-of-loop post-processing is done on the render
865 target, then we need to keep the in-loop decoded
866 picture as a reference picture */
867 VASurfaceID inloop_decoded_picture;
869 /* sequence layer for AP or meta data for SP and MP */
872 unsigned int pulldown : 1; /* SEQUENCE_LAYER::PULLDOWN */
873 unsigned int interlace : 1; /* SEQUENCE_LAYER::INTERLACE */
874 unsigned int tfcntrflag : 1; /* SEQUENCE_LAYER::TFCNTRFLAG */
875 unsigned int finterpflag : 1; /* SEQUENCE_LAYER::FINTERPFLAG */
876 unsigned int psf : 1; /* SEQUENCE_LAYER::PSF */
877 unsigned int multires : 1; /* METADATA::MULTIRES */
878 unsigned int overlap : 1; /* METADATA::OVERLAP */
879 unsigned int syncmarker : 1; /* METADATA::SYNCMARKER */
880 unsigned int rangered : 1; /* METADATA::RANGERED */
881 unsigned int max_b_frames : 3; /* METADATA::MAXBFRAMES */
882 unsigned int profile : 2; /* SEQUENCE_LAYER::PROFILE or The MSB of METADATA::PROFILE */
887 unsigned short coded_width; /* ENTRY_POINT_LAYER::CODED_WIDTH */
888 unsigned short coded_height; /* ENTRY_POINT_LAYER::CODED_HEIGHT */
891 unsigned int broken_link : 1; /* ENTRY_POINT_LAYER::BROKEN_LINK */
892 unsigned int closed_entry : 1; /* ENTRY_POINT_LAYER::CLOSED_ENTRY */
893 unsigned int panscan_flag : 1; /* ENTRY_POINT_LAYER::PANSCAN_FLAG */
894 unsigned int loopfilter : 1; /* ENTRY_POINT_LAYER::LOOPFILTER */
898 unsigned char conditional_overlap_flag; /* ENTRY_POINT_LAYER::CONDOVER */
899 unsigned char fast_uvmc_flag; /* ENTRY_POINT_LAYER::FASTUVMC */
902 unsigned int luma_flag : 1; /* ENTRY_POINT_LAYER::RANGE_MAPY_FLAG */
903 unsigned int luma : 3; /* ENTRY_POINT_LAYER::RANGE_MAPY */
904 unsigned int chroma_flag : 1; /* ENTRY_POINT_LAYER::RANGE_MAPUV_FLAG */
905 unsigned int chroma : 3; /* ENTRY_POINT_LAYER::RANGE_MAPUV */
908 } range_mapping_fields;
910 unsigned char b_picture_fraction; /* PICTURE_LAYER::BFRACTION */
911 unsigned char cbp_table; /* PICTURE_LAYER::CBPTAB/ICBPTAB */
912 unsigned char mb_mode_table; /* PICTURE_LAYER::MBMODETAB */
913 unsigned char range_reduction_frame;/* PICTURE_LAYER::RANGEREDFRM */
914 unsigned char rounding_control; /* PICTURE_LAYER::RNDCTRL */
915 unsigned char post_processing; /* PICTURE_LAYER::POSTPROC */
916 unsigned char picture_resolution_index; /* PICTURE_LAYER::RESPIC */
917 unsigned char luma_scale; /* PICTURE_LAYER::LUMSCALE */
918 unsigned char luma_shift; /* PICTURE_LAYER::LUMSHIFT */
921 unsigned int picture_type : 3; /* PICTURE_LAYER::PTYPE */
922 unsigned int frame_coding_mode : 3; /* PICTURE_LAYER::FCM */
923 unsigned int top_field_first : 1; /* PICTURE_LAYER::TFF */
924 unsigned int is_first_field : 1; /* set to 1 if it is the first field */
925 unsigned int intensity_compensation : 1; /* PICTURE_LAYER::INTCOMP */
931 unsigned int mv_type_mb : 1; /* PICTURE::MVTYPEMB */
932 unsigned int direct_mb : 1; /* PICTURE::DIRECTMB */
933 unsigned int skip_mb : 1; /* PICTURE::SKIPMB */
934 unsigned int field_tx : 1; /* PICTURE::FIELDTX */
935 unsigned int forward_mb : 1; /* PICTURE::FORWARDMB */
936 unsigned int ac_pred : 1; /* PICTURE::ACPRED */
937 unsigned int overflags : 1; /* PICTURE::OVERFLAGS */
943 unsigned int bp_mv_type_mb : 1; /* PICTURE::MVTYPEMB */
944 unsigned int bp_direct_mb : 1; /* PICTURE::DIRECTMB */
945 unsigned int bp_skip_mb : 1; /* PICTURE::SKIPMB */
946 unsigned int bp_field_tx : 1; /* PICTURE::FIELDTX */
947 unsigned int bp_forward_mb : 1; /* PICTURE::FORWARDMB */
948 unsigned int bp_ac_pred : 1; /* PICTURE::ACPRED */
949 unsigned int bp_overflags : 1; /* PICTURE::OVERFLAGS */
952 } bitplane_present; /* signal what bitplane is being passed via the bitplane buffer */
955 unsigned int reference_distance_flag : 1;/* PICTURE_LAYER::REFDIST_FLAG */
956 unsigned int reference_distance : 5;/* PICTURE_LAYER::REFDIST */
957 unsigned int num_reference_pictures: 1;/* PICTURE_LAYER::NUMREF */
958 unsigned int reference_field_pic_indicator : 1;/* PICTURE_LAYER::REFFIELD */
964 unsigned int mv_mode : 3; /* PICTURE_LAYER::MVMODE */
965 unsigned int mv_mode2 : 3; /* PICTURE_LAYER::MVMODE2 */
966 unsigned int mv_table : 3; /* PICTURE_LAYER::MVTAB/IMVTAB */
967 unsigned int two_mv_block_pattern_table: 2; /* PICTURE_LAYER::2MVBPTAB */
968 unsigned int four_mv_switch : 1; /* PICTURE_LAYER::4MVSWITCH */
969 unsigned int four_mv_block_pattern_table : 2; /* PICTURE_LAYER::4MVBPTAB */
970 unsigned int extended_mv_flag : 1; /* ENTRY_POINT_LAYER::EXTENDED_MV */
971 unsigned int extended_mv_range : 2; /* PICTURE_LAYER::MVRANGE */
972 unsigned int extended_dmv_flag : 1; /* ENTRY_POINT_LAYER::EXTENDED_DMV */
973 unsigned int extended_dmv_range : 2; /* PICTURE_LAYER::DMVRANGE */
979 unsigned int dquant : 2; /* ENTRY_POINT_LAYER::DQUANT */
980 unsigned int quantizer : 2; /* ENTRY_POINT_LAYER::QUANTIZER */
981 unsigned int half_qp : 1; /* PICTURE_LAYER::HALFQP */
982 unsigned int pic_quantizer_scale : 5;/* PICTURE_LAYER::PQUANT */
983 unsigned int pic_quantizer_type : 1;/* PICTURE_LAYER::PQUANTIZER */
984 unsigned int dq_frame : 1; /* VOPDQUANT::DQUANTFRM */
985 unsigned int dq_profile : 2; /* VOPDQUANT::DQPROFILE */
986 unsigned int dq_sb_edge : 2; /* VOPDQUANT::DQSBEDGE */
987 unsigned int dq_db_edge : 2; /* VOPDQUANT::DQDBEDGE */
988 unsigned int dq_binary_level : 1; /* VOPDQUANT::DQBILEVEL */
989 unsigned int alt_pic_quantizer : 5;/* VOPDQUANT::ALTPQUANT */
992 } pic_quantizer_fields;
995 unsigned int variable_sized_transform_flag : 1;/* ENTRY_POINT_LAYER::VSTRANSFORM */
996 unsigned int mb_level_transform_type_flag : 1;/* PICTURE_LAYER::TTMBF */
997 unsigned int frame_level_transform_type : 2;/* PICTURE_LAYER::TTFRM */
998 unsigned int transform_ac_codingset_idx1 : 2;/* PICTURE_LAYER::TRANSACFRM */
999 unsigned int transform_ac_codingset_idx2 : 2;/* PICTURE_LAYER::TRANSACFRM2 */
1000 unsigned int intra_transform_dc_table : 1;/* PICTURE_LAYER::TRANSDCTAB */
1004 } VAPictureParameterBufferVC1;
1006 /* VC-1 Bitplane Buffer
1007 There will be at most three bitplanes coded in any picture header. To send
1008 the bitplane data more efficiently, each byte is divided in two nibbles, with
1009 each nibble carrying three bitplanes for one macroblock. The following table
1010 shows the bitplane data arrangement within each nibble based on the picture
1013 Picture Type Bit3 Bit2 Bit1 Bit0
1014 I or BI OVERFLAGS ACPRED FIELDTX
1015 P MYTYPEMB SKIPMB DIRECTMB
1016 B FORWARDMB SKIPMB DIRECTMB
1018 Within each byte, the lower nibble is for the first MB and the upper nibble is
1019 for the second MB. E.g. the lower nibble of the first byte in the bitplane
1020 buffer is for Macroblock #1 and the upper nibble of the first byte is for
1021 Macroblock #2 in the first row.
1024 /* VC-1 Slice Parameter Buffer */
1025 typedef struct _VASliceParameterBufferVC1
1027 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
1028 unsigned int slice_data_offset;/* the offset to the first byte of slice data */
1029 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
1030 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */
1031 unsigned int slice_vertical_position;
1032 } VASliceParameterBufferVC1;
1034 /* VC-1 Slice Data Buffer */
1036 This is simplely a buffer containing raw bit-stream bytes
1039 /****************************
1040 * H.264/AVC data structures
1041 ****************************/
1043 typedef struct _VAPictureH264
1045 VASurfaceID picture_id;
1046 unsigned int frame_idx;
1048 signed int TopFieldOrderCnt;
1049 signed int BottomFieldOrderCnt;
1051 /* flags in VAPictureH264 could be OR of the following */
1052 #define VA_PICTURE_H264_INVALID 0x00000001
1053 #define VA_PICTURE_H264_TOP_FIELD 0x00000002
1054 #define VA_PICTURE_H264_BOTTOM_FIELD 0x00000004
1055 #define VA_PICTURE_H264_SHORT_TERM_REFERENCE 0x00000008
1056 #define VA_PICTURE_H264_LONG_TERM_REFERENCE 0x00000010
1058 /* H.264 Picture Parameter Buffer */
1060 * For each picture, and before any slice data, a single
1061 * picture parameter buffer must be send.
1063 typedef struct _VAPictureParameterBufferH264
1065 VAPictureH264 CurrPic;
1066 VAPictureH264 ReferenceFrames[16]; /* in DPB */
1067 unsigned short picture_width_in_mbs_minus1;
1068 unsigned short picture_height_in_mbs_minus1;
1069 unsigned char bit_depth_luma_minus8;
1070 unsigned char bit_depth_chroma_minus8;
1071 unsigned char num_ref_frames;
1074 unsigned int chroma_format_idc : 2;
1075 unsigned int residual_colour_transform_flag : 1;
1076 unsigned int gaps_in_frame_num_value_allowed_flag : 1;
1077 unsigned int frame_mbs_only_flag : 1;
1078 unsigned int mb_adaptive_frame_field_flag : 1;
1079 unsigned int direct_8x8_inference_flag : 1;
1080 unsigned int MinLumaBiPredSize8x8 : 1; /* see A.3.3.2 */
1081 unsigned int log2_max_frame_num_minus4 : 4;
1082 unsigned int pic_order_cnt_type : 2;
1083 unsigned int log2_max_pic_order_cnt_lsb_minus4 : 4;
1084 unsigned int delta_pic_order_always_zero_flag : 1;
1088 unsigned char num_slice_groups_minus1;
1089 unsigned char slice_group_map_type;
1090 unsigned short slice_group_change_rate_minus1;
1091 signed char pic_init_qp_minus26;
1092 signed char pic_init_qs_minus26;
1093 signed char chroma_qp_index_offset;
1094 signed char second_chroma_qp_index_offset;
1097 unsigned int entropy_coding_mode_flag : 1;
1098 unsigned int weighted_pred_flag : 1;
1099 unsigned int weighted_bipred_idc : 2;
1100 unsigned int transform_8x8_mode_flag : 1;
1101 unsigned int field_pic_flag : 1;
1102 unsigned int constrained_intra_pred_flag : 1;
1103 unsigned int pic_order_present_flag : 1;
1104 unsigned int deblocking_filter_control_present_flag : 1;
1105 unsigned int redundant_pic_cnt_present_flag : 1;
1106 unsigned int reference_pic_flag : 1; /* nal_ref_idc != 0 */
1110 unsigned short frame_num;
1111 } VAPictureParameterBufferH264;
1113 /* H.264 Inverse Quantization Matrix Buffer */
1114 typedef struct _VAIQMatrixBufferH264
1116 unsigned char ScalingList4x4[6][16];
1117 unsigned char ScalingList8x8[2][64];
1118 } VAIQMatrixBufferH264;
1121 * H.264 Slice Group Map Buffer
1122 * When VAPictureParameterBufferH264::num_slice_group_minus1 is not equal to 0,
1123 * A slice group map buffer should be sent for each picture if required. The buffer
1124 * is sent only when there is a change in the mapping values.
1125 * The slice group map buffer map "map units" to slice groups as specified in
1126 * section 8.2.2 of the H.264 spec. The buffer will contain one byte for each macroblock
1127 * in raster scan order
1130 /* H.264 Slice Parameter Buffer */
1131 typedef struct _VASliceParameterBufferH264
1133 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
1134 unsigned int slice_data_offset;/* the offset to the NAL start code for this slice */
1135 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
1136 unsigned short slice_data_bit_offset; /* bit offset from NAL start code to the beginning of slice data */
1137 unsigned short first_mb_in_slice;
1138 unsigned char slice_type;
1139 unsigned char direct_spatial_mv_pred_flag;
1140 unsigned char num_ref_idx_l0_active_minus1;
1141 unsigned char num_ref_idx_l1_active_minus1;
1142 unsigned char cabac_init_idc;
1143 char slice_qp_delta;
1144 unsigned char disable_deblocking_filter_idc;
1145 char slice_alpha_c0_offset_div2;
1146 char slice_beta_offset_div2;
1147 VAPictureH264 RefPicList0[32]; /* See 8.2.4.2 */
1148 VAPictureH264 RefPicList1[32]; /* See 8.2.4.2 */
1149 unsigned char luma_log2_weight_denom;
1150 unsigned char chroma_log2_weight_denom;
1151 unsigned char luma_weight_l0_flag;
1152 short luma_weight_l0[32];
1153 short luma_offset_l0[32];
1154 unsigned char chroma_weight_l0_flag;
1155 short chroma_weight_l0[32][2];
1156 short chroma_offset_l0[32][2];
1157 unsigned char luma_weight_l1_flag;
1158 short luma_weight_l1[32];
1159 short luma_offset_l1[32];
1160 unsigned char chroma_weight_l1_flag;
1161 short chroma_weight_l1[32][2];
1162 short chroma_offset_l1[32][2];
1163 } VASliceParameterBufferH264;
1165 /****************************
1166 * Common encode data structures
1167 ****************************/
1170 VAEncPictureTypeIntra = 0,
1171 VAEncPictureTypePredictive = 1,
1172 VAEncPictureTypeBidirectional = 2,
1175 /* Encode Slice Parameter Buffer */
1176 typedef struct _VAEncSliceParameterBuffer
1178 unsigned int start_row_number; /* starting MB row number for this slice */
1179 unsigned int slice_height; /* slice height measured in MB */
1182 unsigned int is_intra : 1;
1183 unsigned int disable_deblocking_filter_idc : 2;
1184 unsigned int uses_long_term_ref :1;
1185 unsigned int is_long_term_ref :1;
1189 } VAEncSliceParameterBuffer;
1191 /****************************
1192 * H.264 specific encode data structures
1193 ****************************/
1195 typedef struct _VAEncSequenceParameterBufferH264
1197 unsigned char seq_parameter_set_id;
1198 unsigned char level_idc;
1199 unsigned int intra_period;
1200 unsigned int intra_idr_period;
1201 unsigned int max_num_ref_frames;
1202 unsigned int picture_width_in_mbs;
1203 unsigned int picture_height_in_mbs;
1204 unsigned int bits_per_second;
1205 unsigned int frame_rate;
1206 unsigned int initial_qp;
1207 unsigned int min_qp;
1208 unsigned int basic_unit_size;
1209 unsigned char vui_flag;
1210 } VAEncSequenceParameterBufferH264;
1212 #define H264_LAST_PICTURE_EOSEQ 0x01 /* the last picture in the sequence */
1213 #define H264_LAST_PICTURE_EOSTREAM 0x02 /* the last picture in the stream */
1214 typedef struct _VAEncPictureParameterBufferH264
1216 VASurfaceID reference_picture;
1217 VASurfaceID reconstructed_picture;
1218 VABufferID coded_buf;
1219 unsigned short picture_width;
1220 unsigned short picture_height;
1221 unsigned char last_picture;
1222 } VAEncPictureParameterBufferH264;
1224 /****************************
1225 * H.263 specific encode data structures
1226 ****************************/
1228 typedef struct _VAEncSequenceParameterBufferH263
1230 unsigned int intra_period;
1231 unsigned int bits_per_second;
1232 unsigned int frame_rate;
1233 unsigned int initial_qp;
1234 unsigned int min_qp;
1235 } VAEncSequenceParameterBufferH263;
1237 typedef struct _VAEncPictureParameterBufferH263
1239 VASurfaceID reference_picture;
1240 VASurfaceID reconstructed_picture;
1241 VABufferID coded_buf;
1242 unsigned short picture_width;
1243 unsigned short picture_height;
1244 VAEncPictureType picture_type;
1245 } VAEncPictureParameterBufferH263;
1247 /****************************
1248 * MPEG-4 specific encode data structures
1249 ****************************/
1251 typedef struct _VAEncSequenceParameterBufferMPEG4
1253 unsigned char profile_and_level_indication;
1254 unsigned int intra_period;
1255 unsigned int video_object_layer_width;
1256 unsigned int video_object_layer_height;
1257 unsigned int vop_time_increment_resolution;
1258 unsigned int fixed_vop_rate;
1259 unsigned int fixed_vop_time_increment;
1260 unsigned int bits_per_second;
1261 unsigned int frame_rate;
1262 unsigned int initial_qp;
1263 unsigned int min_qp;
1264 } VAEncSequenceParameterBufferMPEG4;
1266 typedef struct _VAEncPictureParameterBufferMPEG4
1268 VASurfaceID reference_picture;
1269 VASurfaceID reconstructed_picture;
1270 VABufferID coded_buf;
1271 unsigned short picture_width;
1272 unsigned short picture_height;
1273 unsigned int modulo_time_base; /* number of 1s */
1274 unsigned int vop_time_increment;
1275 VAEncPictureType picture_type;
1276 } VAEncPictureParameterBufferMPEG4;
1280 /* Buffer functions */
1283 * Creates a buffer for "num_elements" elements of "size" bytes and
1284 * initalize with "data".
1285 * if "data" is null, then the contents of the buffer data store
1287 * Basically there are two ways to get buffer data to the server side. One is
1288 * to call vaCreateBuffer() with a non-null "data", which results the data being
1289 * copied to the data store on the server side. A different method that
1290 * eliminates this copy is to pass null as "data" when calling vaCreateBuffer(),
1291 * and then use vaMapBuffer() to map the data store from the server side to the
1292 * client address space for access.
1293 * Note: image buffers are created by the library, not the client. Please see
1294 * vaCreateImage on how image buffers are managed.
1296 VAStatus vaCreateBuffer (
1298 VAContextID context,
1299 VABufferType type, /* in */
1300 unsigned int size, /* in */
1301 unsigned int num_elements, /* in */
1302 void *data, /* in */
1303 VABufferID *buf_id /* out */
1307 * Convey to the server how many valid elements are in the buffer.
1308 * e.g. if multiple slice parameters are being held in a single buffer,
1309 * this will communicate to the server the number of slice parameters
1310 * that are valid in the buffer.
1312 VAStatus vaBufferSetNumElements (
1314 VABufferID buf_id, /* in */
1315 unsigned int num_elements /* in */
1320 * device independent data structure for codedbuffer
1324 * FICTURE_AVE_QP(bit7-0): The average Qp value used during this frame
1325 * LARGE_SLICE(bit8):At least one slice in the current frame was large
1326 * enough for the encoder to attempt to limit its size.
1327 * SLICE_OVERFLOW(bit9): At least one slice in the current frame has
1328 * exceeded the maximum slice size specified.
1329 * BITRATE_OVERFLOW(bit10): The peak bitrate was exceeded for this frame.
1330 * BITRATE_HIGH(bit11): The frame size got within the safety margin of the maximum size (VCM only)
1331 * AIR_MB_OVER_THRESHOLD: the number of MBs adapted to Intra MB
1333 #define VA_CODED_BUF_STATUS_PICTURE_AVE_QP_MASK 0xff
1334 #define VA_CODED_BUF_STATUS_LARGE_SLICE_MASK 0x100
1335 #define VA_CODED_BUF_STATUS_SLICE_OVERFLOW_MASK 0x200
1336 #define VA_CODED_BUF_STATUS_BITRATE_OVERFLOW 0x400
1337 #define VA_CODED_BUF_STATUS_BITRATE_HIGH 0x800
1338 #define VA_CODED_BUF_STATUS_AIR_MB_OVER_THRESHOLD 0xff0000
1341 * device independent data structure for codedbuffer
1343 typedef struct _VACodedBufferSegment {
1344 unsigned int size;/* size of the data buffer in the coded buffer segment, in bytes */
1345 unsigned int bit_offset; /* bit offset into the data buffer where valid bitstream data begins */
1346 unsigned int status; /* status set by the driver on the coded buffer*/
1347 unsigned int reserved; /* for future use */
1348 void *buf; /* pointer to the beginning of the data buffer in the coded buffer segment */
1349 void *next; /* pointer to the next VACodedBufferSegment */
1350 } VACodedBufferSegment;
1353 * Map data store of the buffer into the client's address space
1354 * vaCreateBuffer() needs to be called with "data" set to NULL before
1355 * calling vaMapBuffer()
1357 * if buffer type is VAEncCodedBufferType, pbuf points to link-list of
1358 * VACodedBufferSegment, and the list is terminated if "next" is NULL
1360 VAStatus vaMapBuffer (
1362 VABufferID buf_id, /* in */
1363 void **pbuf /* out */
1367 * After client making changes to a mapped data store, it needs to
1368 * "Unmap" it to let the server know that the data is ready to be
1369 * consumed by the server
1371 VAStatus vaUnmapBuffer (
1373 VABufferID buf_id /* in */
1377 * After this call, the buffer is deleted and this buffer_id is no longer valid
1378 * Only call this if the buffer is not going to be passed to vaRenderBuffer
1380 VAStatus vaDestroyBuffer (
1382 VABufferID buffer_id
1386 Render (Decode) Pictures
1388 A picture represents either a frame or a field.
1390 The Begin/Render/End sequence sends the decode buffers to the server
1394 * Get ready to decode a picture to a target surface
1396 VAStatus vaBeginPicture (
1398 VAContextID context,
1399 VASurfaceID render_target
1403 * Send decode buffers to the server.
1404 * Buffers are automatically destroyed afterwards
1406 VAStatus vaRenderPicture (
1408 VAContextID context,
1409 VABufferID *buffers,
1414 * Make the end of rendering for a picture.
1415 * The server should start processing all pending operations for this
1416 * surface. This call is non-blocking. The client can start another
1417 * Begin/Render/End sequence on a different render target.
1419 VAStatus vaEndPicture (
1431 * This function blocks until all pending operations on the render target
1432 * have been completed. Upon return it is safe to use the render target for a
1433 * different picture.
1435 VAStatus vaSyncSurface (
1437 VASurfaceID render_target
1442 VASurfaceRendering = 1, /* Rendering in progress */
1443 VASurfaceDisplaying = 2, /* Displaying in progress (not safe to render into it) */
1444 /* this status is useful if surface is used as the source */
1446 VASurfaceReady = 4, /* not being rendered or displayed */
1447 VASurfaceSkipped = 8 /* Indicate a skipped frame during encode */
1451 * Find out any pending ops on the render target
1453 VAStatus vaQuerySurfaceStatus (
1455 VASurfaceID render_target,
1456 VASurfaceStatus *status /* out */
1461 VADecodeSliceMissing = 0,
1462 VADecodeMBError = 1,
1463 } VADecodeErrorType;
1466 * Client calls vaQuerySurfaceError with VA_STATUS_ERROR_DECODING_ERROR, server side returns
1467 * an array of structure VASurfaceDecodeMBErrors, and the array is terminated by setting status=-1
1469 typedef struct _VASurfaceDecodeMBErrors
1471 int status; /* 1 if hardware has returned detailed info below, -1 means this record is invalid */
1472 unsigned int start_mb; /* start mb address with errors */
1473 unsigned int end_mb; /* end mb address with errors */
1474 VADecodeErrorType decode_error_type;
1475 } VASurfaceDecodeMBErrors;
1478 * After the application gets VA_STATUS_ERROR_DECODING_ERROR after calling vaSyncSurface(),
1479 * it can call vaQuerySurfaceError to find out further details on the particular error.
1480 * VA_STATUS_ERROR_DECODING_ERROR should be passed in as "error_status",
1481 * upon the return, error_info will point to an array of _VASurfaceDecodeMBErrors structure,
1482 * which is allocated and filled by libVA with detailed information on the missing or error macroblocks.
1483 * The array is terminated if "status==-1" is detected.
1485 VAStatus vaQuerySurfaceError(
1487 VASurfaceID surface,
1488 VAStatus error_status,
1493 * Images and Subpictures
1494 * VAImage is used to either get the surface data to client memory, or
1495 * to copy image data in client memory to a surface.
1496 * Both images, subpictures and surfaces follow the same 2D coordinate system where origin
1497 * is at the upper left corner with positive X to the right and positive Y down
1499 #define VA_FOURCC(ch0, ch1, ch2, ch3) \
1500 ((unsigned long)(unsigned char) (ch0) | ((unsigned long)(unsigned char) (ch1) << 8) | \
1501 ((unsigned long)(unsigned char) (ch2) << 16) | ((unsigned long)(unsigned char) (ch3) << 24 ))
1503 /* a few common FourCCs */
1504 #define VA_FOURCC_NV12 0x3231564E
1505 #define VA_FOURCC_AI44 0x34344149
1506 #define VA_FOURCC_RGBA 0x41424752
1507 #define VA_FOURCC_BGRA 0x41524742
1508 #define VA_FOURCC_UYVY 0x59565955
1509 #define VA_FOURCC_YUY2 0x32595559
1510 #define VA_FOURCC_AYUV 0x56555941
1511 #define VA_FOURCC_NV11 0x3131564e
1512 #define VA_FOURCC_YV12 0x32315659
1513 #define VA_FOURCC_P208 0x38303250
1514 #define VA_FOURCC_IYUV 0x56555949
1517 #define VA_LSB_FIRST 1
1518 #define VA_MSB_FIRST 2
1520 typedef struct _VAImageFormat
1522 unsigned int fourcc;
1523 unsigned int byte_order; /* VA_LSB_FIRST, VA_MSB_FIRST */
1524 unsigned int bits_per_pixel;
1525 /* for RGB formats */
1526 unsigned int depth; /* significant bits per pixel */
1527 unsigned int red_mask;
1528 unsigned int green_mask;
1529 unsigned int blue_mask;
1530 unsigned int alpha_mask;
1533 typedef VAGenericID VAImageID;
1535 typedef struct _VAImage
1537 VAImageID image_id; /* uniquely identify this image */
1538 VAImageFormat format;
1539 VABufferID buf; /* image data buffer */
1541 * Image data will be stored in a buffer of type VAImageBufferType to facilitate
1542 * data store on the server side for optimal performance. The buffer will be
1543 * created by the CreateImage function, and proper storage allocated based on the image
1544 * size and format. This buffer is managed by the library implementation, and
1545 * accessed by the client through the buffer Map/Unmap functions.
1547 unsigned short width;
1548 unsigned short height;
1549 unsigned int data_size;
1550 unsigned int num_planes; /* can not be greater than 3 */
1552 * An array indicating the scanline pitch in bytes for each plane.
1553 * Each plane may have a different pitch. Maximum 3 planes for planar formats
1555 unsigned int pitches[3];
1557 * An array indicating the byte offset from the beginning of the image data
1558 * to the start of each plane.
1560 unsigned int offsets[3];
1562 /* The following fields are only needed for paletted formats */
1563 int num_palette_entries; /* set to zero for non-palette images */
1565 * Each component is one byte and entry_bytes indicates the number of components in
1566 * each entry (eg. 3 for YUV palette entries). set to zero for non-palette images
1570 * An array of ascii characters describing the order of the components within the bytes.
1571 * Only entry_bytes characters of the string are used.
1573 char component_order[4];
1576 /* Get maximum number of image formats supported by the implementation */
1577 int vaMaxNumImageFormats (
1582 * Query supported image formats
1583 * The caller must provide a "format_list" array that can hold at
1584 * least vaMaxNumImageFormats() entries. The actual number of formats
1585 * returned in "format_list" is returned in "num_formats".
1587 VAStatus vaQueryImageFormats (
1589 VAImageFormat *format_list, /* out */
1590 int *num_formats /* out */
1594 * Create a VAImage structure
1595 * The width and height fields returned in the VAImage structure may get
1596 * enlarged for some YUV formats. Upon return from this function,
1597 * image->buf has been created and proper storage allocated by the library.
1598 * The client can access the image through the Map/Unmap calls.
1600 VAStatus vaCreateImage (
1602 VAImageFormat *format,
1605 VAImage *image /* out */
1609 * Should call DestroyImage before destroying the surface it is bound to
1611 VAStatus vaDestroyImage (
1616 VAStatus vaSetImagePalette (
1620 * pointer to an array holding the palette data. The size of the array is
1621 * num_palette_entries * entry_bytes in size. The order of the components
1622 * in the palette is described by the component_order in VAImage struct
1624 unsigned char *palette
1628 * Retrive surface data into a VAImage
1629 * Image must be in a format supported by the implementation
1631 VAStatus vaGetImage (
1633 VASurfaceID surface,
1634 int x, /* coordinates of the upper left source pixel */
1636 unsigned int width, /* width and height of the region */
1637 unsigned int height,
1642 * Copy data from a VAImage to a surface
1643 * Image must be in a format supported by the implementation
1644 * Returns a VA_STATUS_ERROR_SURFACE_BUSY if the surface
1645 * shouldn't be rendered into when this is called
1647 VAStatus vaPutImage (
1649 VASurfaceID surface,
1653 unsigned int src_width,
1654 unsigned int src_height,
1657 unsigned int dest_width,
1658 unsigned int dest_height
1662 * Derive an VAImage from an existing surface.
1663 * This interface will derive a VAImage and corresponding image buffer from
1664 * an existing VA Surface. The image buffer can then be mapped/unmapped for
1665 * direct CPU access. This operation is only possible on implementations with
1666 * direct rendering capabilities and internal surface formats that can be
1667 * represented with a VAImage. When the operation is not possible this interface
1668 * will return VA_STATUS_ERROR_OPERATION_FAILED. Clients should then fall back
1669 * to using vaCreateImage + vaPutImage to accomplish the same task in an
1672 * Implementations should only return success when the resulting image buffer
1673 * would be useable with vaMap/Unmap.
1675 * When directly accessing a surface special care must be taken to insure
1676 * proper synchronization with the graphics hardware. Clients should call
1677 * vaQuerySurfaceStatus to insure that a surface is not the target of concurrent
1678 * rendering or currently being displayed by an overlay.
1680 * Additionally nothing about the contents of a surface should be assumed
1681 * following a vaPutSurface. Implementations are free to modify the surface for
1682 * scaling or subpicture blending within a call to vaPutImage.
1684 * Calls to vaPutImage or vaGetImage using the same surface from which the image
1685 * has been derived will return VA_STATUS_ERROR_SURFACE_BUSY. vaPutImage or
1686 * vaGetImage with other surfaces is supported.
1688 * An image created with vaDeriveImage should be freed with vaDestroyImage. The
1689 * image and image buffer structures will be destroyed; however, the underlying
1690 * surface will remain unchanged until freed with vaDestroySurfaces.
1692 VAStatus vaDeriveImage (
1694 VASurfaceID surface,
1695 VAImage *image /* out */
1700 * Subpicture is a special type of image that can be blended
1701 * with a surface during vaPutSurface(). Subpicture can be used to render
1702 * DVD sub-titles or closed captioning text etc.
1705 typedef VAGenericID VASubpictureID;
1707 /* Get maximum number of subpicture formats supported by the implementation */
1708 int vaMaxNumSubpictureFormats (
1712 /* flags for subpictures */
1713 #define VA_SUBPICTURE_CHROMA_KEYING 0x0001
1714 #define VA_SUBPICTURE_GLOBAL_ALPHA 0x0002
1715 #define VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD 0x0004
1717 * Query supported subpicture formats
1718 * The caller must provide a "format_list" array that can hold at
1719 * least vaMaxNumSubpictureFormats() entries. The flags arrary holds the flag
1720 * for each format to indicate additional capabilities for that format. The actual
1721 * number of formats returned in "format_list" is returned in "num_formats".
1722 * flags: returned value to indicate addtional capabilities
1723 * VA_SUBPICTURE_CHROMA_KEYING - supports chroma-keying
1724 * VA_SUBPICTURE_GLOBAL_ALPHA - supports global alpha
1725 * VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD - supports unscaled screen relative subpictures for On Screen Display
1728 VAStatus vaQuerySubpictureFormats (
1730 VAImageFormat *format_list, /* out */
1731 unsigned int *flags, /* out */
1732 unsigned int *num_formats /* out */
1736 * Subpictures are created with an image associated.
1738 VAStatus vaCreateSubpicture (
1741 VASubpictureID *subpicture /* out */
1745 * Destroy the subpicture before destroying the image it is assocated to
1747 VAStatus vaDestroySubpicture (
1749 VASubpictureID subpicture
1753 * Bind an image to the subpicture. This image will now be associated with
1754 * the subpicture instead of the one at creation.
1756 VAStatus vaSetSubpictureImage (
1758 VASubpictureID subpicture,
1763 * If chromakey is enabled, then the area where the source value falls within
1764 * the chromakey [min, max] range is transparent
1765 * The chromakey component format is the following:
1766 * For RGB: [0:7] Red [8:15] Blue [16:23] Green
1767 * For YUV: [0:7] V [8:15] U [16:23] Y
1768 * The chromakey mask can be used to mask out certain components for chromakey
1771 VAStatus vaSetSubpictureChromakey (
1773 VASubpictureID subpicture,
1774 unsigned int chromakey_min,
1775 unsigned int chromakey_max,
1776 unsigned int chromakey_mask
1780 * Global alpha value is between 0 and 1. A value of 1 means fully opaque and
1781 * a value of 0 means fully transparent. If per-pixel alpha is also specified then
1782 * the overall alpha is per-pixel alpha multiplied by the global alpha
1784 VAStatus vaSetSubpictureGlobalAlpha (
1786 VASubpictureID subpicture,
1791 * vaAssociateSubpicture associates the subpicture with target_surfaces.
1792 * It defines the region mapping between the subpicture and the target
1793 * surfaces through source and destination rectangles (with the same width and height).
1794 * Both will be displayed at the next call to vaPutSurface. Additional
1795 * associations before the call to vaPutSurface simply overrides the association.
1797 VAStatus vaAssociateSubpicture (
1799 VASubpictureID subpicture,
1800 VASurfaceID *target_surfaces,
1802 short src_x, /* upper left offset in subpicture */
1804 unsigned short src_width,
1805 unsigned short src_height,
1806 short dest_x, /* upper left offset in surface */
1808 unsigned short dest_width,
1809 unsigned short dest_height,
1811 * whether to enable chroma-keying, global-alpha, or screen relative mode
1812 * see VA_SUBPICTURE_XXX values
1818 * vaDeassociateSubpicture removes the association of the subpicture with target_surfaces.
1820 VAStatus vaDeassociateSubpicture (
1822 VASubpictureID subpicture,
1823 VASurfaceID *target_surfaces,
1827 typedef struct _VARectangle
1831 unsigned short width;
1832 unsigned short height;
1836 * Display attributes
1837 * Display attributes are used to control things such as contrast, hue, saturation,
1838 * brightness etc. in the rendering process. The application can query what
1839 * attributes are supported by the driver, and then set the appropriate attributes
1840 * before calling vaPutSurface()
1842 /* PowerVR IEP Lite attributes */
1845 VADISPLAYATTRIB_BLE_OFF = 0x00,
1846 VADISPLAYATTRIB_BLE_LOW,
1847 VADISPLAYATTRIB_BLE_MEDIUM,
1848 VADISPLAYATTRIB_BLE_HIGH,
1849 VADISPLAYATTRIB_BLE_NONE,
1850 } VADisplayAttribBLEMode;
1852 /* attribute value for VADisplayAttribRotation */
1853 #define VA_ROTATION_NONE 0x00000000
1854 #define VA_ROTATION_90 0x00000001
1855 #define VA_ROTATION_180 0x00000002
1856 #define VA_ROTATION_270 0x00000003
1858 /* attribute value for VADisplayAttribOutOfLoopDeblock */
1859 #define VA_OOL_DEBLOCKING_FALSE 0x00000000
1860 #define VA_OOL_DEBLOCKING_TRUE 0x00000001
1863 #define VA_RENDER_MODE_UNDEFINED 0
1864 #define VA_RENDER_MODE_LOCAL_OVERLAY 1
1865 #define VA_RENDER_MODE_LOCAL_GPU 2
1866 #define VA_RENDER_MODE_EXTERNAL_OVERLAY 4
1867 #define VA_RENDER_MODE_EXTERNAL_GPU 8
1870 #define VA_RENDER_DEVICE_UNDEFINED 0
1871 #define VA_RENDER_DEVICE_LOCAL 1
1872 #define VA_RENDER_DEVICE_EXTERNAL 2
1874 /* Currently defined display attribute types */
1877 VADisplayAttribBrightness = 0,
1878 VADisplayAttribContrast = 1,
1879 VADisplayAttribHue = 2,
1880 VADisplayAttribSaturation = 3,
1881 /* client can specifiy a background color for the target window
1882 * the new feature of video conference,
1883 * the uncovered area of the surface is filled by this color
1884 * also it will blend with the decoded video color
1886 VADisplayAttribBackgroundColor = 4,
1888 * this is a gettable only attribute. For some implementations that use the
1889 * hardware overlay, after PutSurface is called, the surface can not be
1890 * re-used until after the subsequent PutSurface call. If this is the case
1891 * then the value for this attribute will be set to 1 so that the client
1892 * will not attempt to re-use the surface right after returning from a call
1895 * Don't use it, use flag VASurfaceDisplaying of vaQuerySurfaceStatus since
1896 * driver may use overlay or GPU alternatively
1898 VADisplayAttribDirectSurface = 5,
1899 VADisplayAttribRotation = 6,
1900 VADisplayAttribOutofLoopDeblock = 7,
1902 /* PowerVR IEP Lite specific attributes */
1903 VADisplayAttribBLEBlackMode = 8,
1904 VADisplayAttribBLEWhiteMode = 9,
1905 VADisplayAttribBlueStretch = 10,
1906 VADisplayAttribSkinColorCorrection = 11,
1908 * For type VADisplayAttribCSCMatrix, "value" field is a pointer to the color
1909 * conversion matrix. Each element in the matrix is float-point
1911 VADisplayAttribCSCMatrix = 12,
1912 /* specify the constant color used to blend with video surface
1913 * Cd = Cv*Cc*Ac + Cb *(1 - Ac) C means the constant RGB
1914 * d: the final color to overwrite into the frame buffer
1915 * v: decoded video after color conversion,
1916 * c: video color specified by VADisplayAttribBlendColor
1917 * b: background color of the drawable
1919 VADisplayAttribBlendColor = 13,
1921 * Indicate driver to skip painting color key or not.
1922 * only applicable if the render is overlay
1924 VADisplayAttribOverlayAutoPaintColorKey = 14,
1926 * customized overlay color key, the format is RGB888
1927 * [23:16] = Red, [15:08] = Green, [07:00] = Blue.
1929 VADisplayAttribOverlayColorKey = 15,
1931 * The hint for the implementation of vaPutSurface
1932 * normally, the driver could use an overlay or GPU to render the surface on the screen
1933 * this flag provides APP the flexibity to switch the render dynamically
1935 VADisplayAttribRenderMode = 16,
1937 * specify if vaPutSurface needs to render into specified monitors
1938 * one example is that one external monitor (e.g. HDMI) is enabled,
1939 * but the window manager is not aware of it, and there is no associated drawable
1941 VADisplayAttribRenderDevice = 17,
1943 * specify vaPutSurface render area if there is no drawable on the monitor
1945 VADisplayAttribRenderRect = 18,
1946 } VADisplayAttribType;
1948 /* flags for VADisplayAttribute */
1949 #define VA_DISPLAY_ATTRIB_NOT_SUPPORTED 0x0000
1950 #define VA_DISPLAY_ATTRIB_GETTABLE 0x0001
1951 #define VA_DISPLAY_ATTRIB_SETTABLE 0x0002
1953 typedef struct _VADisplayAttribute
1955 VADisplayAttribType type;
1958 int value; /* used by the set/get attribute functions */
1959 /* flags can be VA_DISPLAY_ATTRIB_GETTABLE or VA_DISPLAY_ATTRIB_SETTABLE or OR'd together */
1961 } VADisplayAttribute;
1963 /* Get maximum number of display attributs supported by the implementation */
1964 int vaMaxNumDisplayAttributes (
1969 * Query display attributes
1970 * The caller must provide a "attr_list" array that can hold at
1971 * least vaMaxNumDisplayAttributes() entries. The actual number of attributes
1972 * returned in "attr_list" is returned in "num_attributes".
1974 VAStatus vaQueryDisplayAttributes (
1976 VADisplayAttribute *attr_list, /* out */
1977 int *num_attributes /* out */
1981 * Get display attributes
1982 * This function returns the current attribute values in "attr_list".
1983 * Only attributes returned with VA_DISPLAY_ATTRIB_GETTABLE set in the "flags" field
1984 * from vaQueryDisplayAttributes() can have their values retrieved.
1986 VAStatus vaGetDisplayAttributes (
1988 VADisplayAttribute *attr_list, /* in/out */
1993 * Set display attributes
1994 * Only attributes returned with VA_DISPLAY_ATTRIB_SETTABLE set in the "flags" field
1995 * from vaQueryDisplayAttributes() can be set. If the attribute is not settable or
1996 * the value is out of range, the function returns VA_STATUS_ERROR_ATTR_NOT_SUPPORTED
1998 VAStatus vaSetDisplayAttributes (
2000 VADisplayAttribute *attr_list,