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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 VAHuffmanTableBufferType = 12,
523 /* Following are encode buffer types */
524 VAEncCodedBufferType = 21,
525 VAEncSequenceParameterBufferType = 22,
526 VAEncPictureParameterBufferType = 23,
527 VAEncSliceParameterBufferType = 24,
528 VAEncH264VUIBufferType = 25,
529 VAEncH264SEIBufferType = 26,
530 VAEncMiscParameterBufferType = 27,
531 VABufferTypeMax = 0xff
536 VAEncMiscParameterTypeFrameRate = 0,
537 VAEncMiscParameterTypeRateControl = 1,
538 VAEncMiscParameterTypeMaxSliceSize = 2,
539 VAEncMiscParameterTypeAIR = 3,
540 } VAEncMiscParameterType;
543 * For application, e.g. set a new bitrate
545 * VAEncMiscParameterBuffer *misc_param;
546 * VAEncMiscParameterRateControl *misc_rate_ctrl;
548 * vaCreateBuffer(dpy, context, VAEncMiscParameterBufferType,
549 * sizeof(VAEncMiscParameterBuffer) + sizeof(VAEncMiscParameterRateControl),
552 * vaMapBuffer(dpy,buf_id,(void **)&misc_param);
553 * misc_param->type = VAEncMiscParameterTypeRateControl;
554 * misc_rate_ctrl= (VAEncMiscParameterRateControl *)misc_param->data;
555 * misc_rate_ctrl->bits_per_second = 6400000;
556 * vaUnmapBuffer(dpy, buf_id);
557 * vaRenderPicture(dpy, context, &buf_id, 1);
559 typedef struct _VAEncMiscParameterBuffer
561 VAEncMiscParameterType type;
562 unsigned int data[0];
563 } VAEncMiscParameterBuffer;
565 typedef struct _VAEncMiscParameterRateControl
567 unsigned int bits_per_second; /* this is the maximum bit-rate to be constrained by the rate control implementation */
568 unsigned int target_percentage; /* this is the bit-rate the rate control is targeting, as a percentage of the maximum bit-rate */
569 /* for example if target_percentage is 95 then the rate control will target a bit-rate that is */
570 /* 95% of the maximum bit-rate */
571 unsigned int window_size; /* windows size in milliseconds. For example if this is set to 500, then the rate control will guarantee the */
572 /* target bit-rate over a 500 ms window */
573 unsigned int initial_qp; /* initial QP at I frames */
575 } VAEncMiscParameterRateControl;
577 typedef struct _VAEncMiscParameterFrameRate
579 unsigned int framerate;
580 } VAEncMiscParameterFrameRate;
583 * Allow a maximum slice size to be specified (in bits).
584 * The encoder will attempt to make sure that individual slices do not exceed this size
585 * Or to signal applicate if the slice size exceed this size, see "status" of VACodedBufferSegment
587 typedef struct _VAEncMiscParameterMaxSliceSize
589 unsigned int max_slice_size;
590 } VAEncMiscParameterMaxSliceSize;
592 typedef struct _VAEncMiscParameterAIR
594 unsigned int air_num_mbs;
595 unsigned int air_threshold;
596 unsigned int air_auto; /* if set to 1 then hardware auto-tune the AIR threshold */
597 } VAEncMiscParameterAIR;
601 * There will be cases where the bitstream buffer will not have enough room to hold
602 * the data for the entire slice, and the following flags will be used in the slice
603 * parameter to signal to the server for the possible cases.
604 * If a slice parameter buffer and slice data buffer pair is sent to the server with
605 * the slice data partially in the slice data buffer (BEGIN and MIDDLE cases below),
606 * then a slice parameter and data buffer needs to be sent again to complete this slice.
608 #define VA_SLICE_DATA_FLAG_ALL 0x00 /* whole slice is in the buffer */
609 #define VA_SLICE_DATA_FLAG_BEGIN 0x01 /* The beginning of the slice is in the buffer but the end if not */
610 #define VA_SLICE_DATA_FLAG_MIDDLE 0x02 /* Neither beginning nor end of the slice is in the buffer */
611 #define VA_SLICE_DATA_FLAG_END 0x04 /* end of the slice is in the buffer */
613 /* Codec-independent Slice Parameter Buffer base */
614 typedef struct _VASliceParameterBufferBase
616 unsigned int slice_data_size; /* number of bytes in the slice data buffer for this slice */
617 unsigned int slice_data_offset; /* the offset to the first byte of slice data */
618 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX definitions */
619 } VASliceParameterBufferBase;
622 /****************************
623 * JEPG data structure
624 ***************************/
625 typedef struct _VAQMatrixBufferJPEG
627 int load_lum_quantiser_matrix;
628 int load_chroma_quantiser_matrix;
629 unsigned char lum_quantiser_matrix[64];
630 unsigned char chroma_quantiser_matrix[64];
631 } VAQMatrixBufferJPEG;
633 typedef struct _VAEncPictureParameterBufferJPEG
635 VASurfaceID reconstructed_picture;
636 unsigned short picture_width;
637 unsigned short picture_height;
638 VABufferID coded_buf;
639 } VAEncPictureParameterBufferJPEG;
641 /* data struct for JPEG decoding */
643 /* Quantization table */
644 typedef struct _VAIQMatrixBufferJPEG
646 int precision[4]; /* valid value: 0(8-bits) , 1(16-bits), precision[Tq](Tq=0,1,2,3)
647 * specifies precision for destination Tq
649 unsigned char quantiser_matrix[4][128]; /* quantiser_matrix[Tq](Tq=0,1,2,3) specifies a
650 * quantization table for destination Tq in zig-zag
651 * scan order. Only the first 64 bytes are valid for each
654 } VAIQMatrixBufferJPEG;
656 #define VA_JPEG_SOF0 0xC0
657 #define VA_JPEG_SOF1 0xC1
658 #define VA_JPEG_SOF2 0xC2
659 #define VA_JPEG_SOF3 0xC3
660 #define VA_JPEG_SOF5 0xC5
661 #define VA_JPEG_SOF6 0xC6
662 #define VA_JPEG_SOF7 0xC7
663 #define VA_JPEG_SOF9 0xC9
664 #define VA_JPEG_SOF10 0xCA
665 #define VA_JPEG_SOF11 0xCB
666 #define VA_JPEG_SOF13 0xCD
667 #define VA_JPEG_SOF14 0xCE
669 /* JPEG Picture Parameter Buffer */
670 typedef struct _VAPictureParameterBufferJPEG
672 unsigned int type; /* SOFn */
673 unsigned int sample_precision;
674 unsigned int image_width;
675 unsigned int image_height;
676 unsigned int num_components;
678 unsigned char component_id; /* Ci, the range is 0-255, see B.2.2 */
679 unsigned char h_sampling_factor;
680 unsigned char v_sampling_factor;
681 unsigned char quantiser_table_selector; /* Tqi, quantization table destination selector */
684 /* ROI (region of interest), for JPEG2000 */
694 } VAPictureParameterBufferJPEG;
696 typedef struct _VAHuffmanTableBufferJPEG
699 unsigned char dc_bits[16]; /* Number of Huffman codes of length i for DC */
700 unsigned char dc_huffval[20]; /* Value associated with each Huffman code for DC */
701 unsigned char ac_bits[16]; /* Number of Huffman codes of length i for AC */
702 unsigned char ac_huffval[256]; /* Value associated with each Huffman code for AC */
703 } huffman_table[4]; /* Up to 4 huffman tables, huffman_table[Th](Th=0,1,2,3)
704 * specifies a buffman table for destination Th.
707 } VAHuffmanTableBufferJPEG;
709 /* JPEG Scan Parameter Buffer, The Scan of is similar to
710 * the Slice of other codecs */
711 typedef struct _VASliceParameterBufferJPEG
713 unsigned int slice_data_size; /* number of bytes in the slice data buffer for this slice */
714 unsigned int slice_data_offset; /* the offset to the first byte of slice data */
715 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX definitions */
716 unsigned int slice_horizontal_position;
717 unsigned int slice_vertical_position;
719 unsigned int num_components;
721 int component_id; /* Csj, it must match one of component_ids specified in VAPictureParameterBufferJPEG */
722 int dc_selector; /* Tdj(0,1,2,3) */
723 int ac_selector; /* Taj(0,1,2,3) */
726 int restart_interval; /* specifies the number of MCUs in restart interval, defined in DRI marker */
727 int num_mcus; /* indicates the number of MCUs in a scan */
728 } VASliceParameterBufferJPEG;
730 /****************************
731 * MPEG-2 data structures
732 ****************************/
734 /* MPEG-2 Picture Parameter Buffer */
736 * For each frame or field, and before any slice data, a single
737 * picture parameter buffer must be send.
739 typedef struct _VAPictureParameterBufferMPEG2
741 unsigned short horizontal_size;
742 unsigned short vertical_size;
743 VASurfaceID forward_reference_picture;
744 VASurfaceID backward_reference_picture;
745 /* meanings of the following fields are the same as in the standard */
746 int picture_coding_type;
747 int f_code; /* pack all four fcode into this */
750 unsigned int intra_dc_precision : 2;
751 unsigned int picture_structure : 2;
752 unsigned int top_field_first : 1;
753 unsigned int frame_pred_frame_dct : 1;
754 unsigned int concealment_motion_vectors : 1;
755 unsigned int q_scale_type : 1;
756 unsigned int intra_vlc_format : 1;
757 unsigned int alternate_scan : 1;
758 unsigned int repeat_first_field : 1;
759 unsigned int progressive_frame : 1;
760 unsigned int is_first_field : 1; /* indicate whether the current field
761 * is the first field for field picture
765 } picture_coding_extension;
766 } VAPictureParameterBufferMPEG2;
768 /* MPEG-2 Inverse Quantization Matrix Buffer */
769 typedef struct _VAIQMatrixBufferMPEG2
771 int load_intra_quantiser_matrix;
772 int load_non_intra_quantiser_matrix;
773 int load_chroma_intra_quantiser_matrix;
774 int load_chroma_non_intra_quantiser_matrix;
775 unsigned char intra_quantiser_matrix[64];
776 unsigned char non_intra_quantiser_matrix[64];
777 unsigned char chroma_intra_quantiser_matrix[64];
778 unsigned char chroma_non_intra_quantiser_matrix[64];
779 } VAIQMatrixBufferMPEG2;
781 /* MPEG-2 Slice Parameter Buffer */
782 typedef struct _VASliceParameterBufferMPEG2
784 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
785 unsigned int slice_data_offset;/* the offset to the first byte of slice data */
786 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
787 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */
788 unsigned int slice_horizontal_position;
789 unsigned int slice_vertical_position;
790 int quantiser_scale_code;
791 int intra_slice_flag;
792 } VASliceParameterBufferMPEG2;
794 /* MPEG-2 Macroblock Parameter Buffer */
795 typedef struct _VAMacroblockParameterBufferMPEG2
797 unsigned short macroblock_address;
799 * macroblock_address (in raster scan order)
801 * bottom-right: picture-height-in-mb*picture-width-in-mb - 1
803 unsigned char macroblock_type; /* see definition below */
806 unsigned int frame_motion_type : 2;
807 unsigned int field_motion_type : 2;
808 unsigned int dct_type : 1;
812 unsigned char motion_vertical_field_select;
814 * motion_vertical_field_select:
815 * see section 6.3.17.2 in the spec
816 * only the lower 4 bits are used
817 * bit 0: first vector forward
818 * bit 1: first vector backward
819 * bit 2: second vector forward
820 * bit 3: second vector backward
822 short PMV[2][2][2]; /* see Table 7-7 in the spec */
823 unsigned short coded_block_pattern;
825 * The bitplanes for coded_block_pattern are described
826 * in Figure 6.10-12 in the spec
829 /* Number of skipped macroblocks after this macroblock */
830 unsigned short num_skipped_macroblocks;
831 } VAMacroblockParameterBufferMPEG2;
834 * OR'd flags for macroblock_type (section 6.3.17.1 in the spec)
836 #define VA_MB_TYPE_MOTION_FORWARD 0x02
837 #define VA_MB_TYPE_MOTION_BACKWARD 0x04
838 #define VA_MB_TYPE_MOTION_PATTERN 0x08
839 #define VA_MB_TYPE_MOTION_INTRA 0x10
842 * MPEG-2 Residual Data Buffer
843 * For each macroblock, there wil be 64 shorts (16-bit) in the
844 * residual data buffer
847 /****************************
848 * MPEG-4 Part 2 data structures
849 ****************************/
851 /* MPEG-4 Picture Parameter Buffer */
853 * For each frame or field, and before any slice data, a single
854 * picture parameter buffer must be send.
856 typedef struct _VAPictureParameterBufferMPEG4
858 unsigned short vop_width;
859 unsigned short vop_height;
860 VASurfaceID forward_reference_picture;
861 VASurfaceID backward_reference_picture;
864 unsigned int short_video_header : 1;
865 unsigned int chroma_format : 2;
866 unsigned int interlaced : 1;
867 unsigned int obmc_disable : 1;
868 unsigned int sprite_enable : 2;
869 unsigned int sprite_warping_accuracy : 2;
870 unsigned int quant_type : 1;
871 unsigned int quarter_sample : 1;
872 unsigned int data_partitioned : 1;
873 unsigned int reversible_vlc : 1;
874 unsigned int resync_marker_disable : 1;
878 unsigned char no_of_sprite_warping_points;
879 short sprite_trajectory_du[3];
880 short sprite_trajectory_dv[3];
881 unsigned char quant_precision;
884 unsigned int vop_coding_type : 2;
885 unsigned int backward_reference_vop_coding_type : 2;
886 unsigned int vop_rounding_type : 1;
887 unsigned int intra_dc_vlc_thr : 3;
888 unsigned int top_field_first : 1;
889 unsigned int alternate_vertical_scan_flag : 1;
893 unsigned char vop_fcode_forward;
894 unsigned char vop_fcode_backward;
895 unsigned short vop_time_increment_resolution;
896 /* short header related */
897 unsigned char num_gobs_in_vop;
898 unsigned char num_macroblocks_in_gob;
899 /* for direct mode prediction */
902 } VAPictureParameterBufferMPEG4;
904 /* MPEG-4 Inverse Quantization Matrix Buffer */
905 typedef struct _VAIQMatrixBufferMPEG4
907 int load_intra_quant_mat;
908 int load_non_intra_quant_mat;
909 unsigned char intra_quant_mat[64];
910 unsigned char non_intra_quant_mat[64];
911 } VAIQMatrixBufferMPEG4;
913 /* MPEG-4 Slice Parameter Buffer */
914 typedef struct _VASliceParameterBufferMPEG4
916 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
917 unsigned int slice_data_offset;/* the offset to the first byte of slice data */
918 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
919 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */
920 unsigned int macroblock_number;
922 } VASliceParameterBufferMPEG4;
928 typedef enum /* see 7.1.1.32 */
931 VAMvMode1MvHalfPel = 1,
932 VAMvMode1MvHalfPelBilinear = 2,
934 VAMvModeIntensityCompensation = 4
937 /* VC-1 Picture Parameter Buffer */
939 * For each picture, and before any slice data, a picture parameter
940 * buffer must be send. Multiple picture parameter buffers may be
941 * sent for a single picture. In that case picture parameters will
942 * apply to all slice data that follow it until a new picture
943 * parameter buffer is sent.
946 * pic_quantizer_type should be set to the applicable quantizer
947 * type as defined by QUANTIZER (J.1.19) and either
948 * PQUANTIZER (7.1.1.8) or PQINDEX (7.1.1.6)
950 typedef struct _VAPictureParameterBufferVC1
952 VASurfaceID forward_reference_picture;
953 VASurfaceID backward_reference_picture;
954 /* if out-of-loop post-processing is done on the render
955 target, then we need to keep the in-loop decoded
956 picture as a reference picture */
957 VASurfaceID inloop_decoded_picture;
959 /* sequence layer for AP or meta data for SP and MP */
962 unsigned int pulldown : 1; /* SEQUENCE_LAYER::PULLDOWN */
963 unsigned int interlace : 1; /* SEQUENCE_LAYER::INTERLACE */
964 unsigned int tfcntrflag : 1; /* SEQUENCE_LAYER::TFCNTRFLAG */
965 unsigned int finterpflag : 1; /* SEQUENCE_LAYER::FINTERPFLAG */
966 unsigned int psf : 1; /* SEQUENCE_LAYER::PSF */
967 unsigned int multires : 1; /* METADATA::MULTIRES */
968 unsigned int overlap : 1; /* METADATA::OVERLAP */
969 unsigned int syncmarker : 1; /* METADATA::SYNCMARKER */
970 unsigned int rangered : 1; /* METADATA::RANGERED */
971 unsigned int max_b_frames : 3; /* METADATA::MAXBFRAMES */
972 unsigned int profile : 2; /* SEQUENCE_LAYER::PROFILE or The MSB of METADATA::PROFILE */
977 unsigned short coded_width; /* ENTRY_POINT_LAYER::CODED_WIDTH */
978 unsigned short coded_height; /* ENTRY_POINT_LAYER::CODED_HEIGHT */
981 unsigned int broken_link : 1; /* ENTRY_POINT_LAYER::BROKEN_LINK */
982 unsigned int closed_entry : 1; /* ENTRY_POINT_LAYER::CLOSED_ENTRY */
983 unsigned int panscan_flag : 1; /* ENTRY_POINT_LAYER::PANSCAN_FLAG */
984 unsigned int loopfilter : 1; /* ENTRY_POINT_LAYER::LOOPFILTER */
988 unsigned char conditional_overlap_flag; /* ENTRY_POINT_LAYER::CONDOVER */
989 unsigned char fast_uvmc_flag; /* ENTRY_POINT_LAYER::FASTUVMC */
992 unsigned int luma_flag : 1; /* ENTRY_POINT_LAYER::RANGE_MAPY_FLAG */
993 unsigned int luma : 3; /* ENTRY_POINT_LAYER::RANGE_MAPY */
994 unsigned int chroma_flag : 1; /* ENTRY_POINT_LAYER::RANGE_MAPUV_FLAG */
995 unsigned int chroma : 3; /* ENTRY_POINT_LAYER::RANGE_MAPUV */
998 } range_mapping_fields;
1000 unsigned char b_picture_fraction; /* PICTURE_LAYER::BFRACTION */
1001 unsigned char cbp_table; /* PICTURE_LAYER::CBPTAB/ICBPTAB */
1002 unsigned char mb_mode_table; /* PICTURE_LAYER::MBMODETAB */
1003 unsigned char range_reduction_frame;/* PICTURE_LAYER::RANGEREDFRM */
1004 unsigned char rounding_control; /* PICTURE_LAYER::RNDCTRL */
1005 unsigned char post_processing; /* PICTURE_LAYER::POSTPROC */
1006 unsigned char picture_resolution_index; /* PICTURE_LAYER::RESPIC */
1007 unsigned char luma_scale; /* PICTURE_LAYER::LUMSCALE */
1008 unsigned char luma_shift; /* PICTURE_LAYER::LUMSHIFT */
1011 unsigned int picture_type : 3; /* PICTURE_LAYER::PTYPE */
1012 unsigned int frame_coding_mode : 3; /* PICTURE_LAYER::FCM */
1013 unsigned int top_field_first : 1; /* PICTURE_LAYER::TFF */
1014 unsigned int is_first_field : 1; /* set to 1 if it is the first field */
1015 unsigned int intensity_compensation : 1; /* PICTURE_LAYER::INTCOMP */
1021 unsigned int mv_type_mb : 1; /* PICTURE::MVTYPEMB */
1022 unsigned int direct_mb : 1; /* PICTURE::DIRECTMB */
1023 unsigned int skip_mb : 1; /* PICTURE::SKIPMB */
1024 unsigned int field_tx : 1; /* PICTURE::FIELDTX */
1025 unsigned int forward_mb : 1; /* PICTURE::FORWARDMB */
1026 unsigned int ac_pred : 1; /* PICTURE::ACPRED */
1027 unsigned int overflags : 1; /* PICTURE::OVERFLAGS */
1033 unsigned int bp_mv_type_mb : 1; /* PICTURE::MVTYPEMB */
1034 unsigned int bp_direct_mb : 1; /* PICTURE::DIRECTMB */
1035 unsigned int bp_skip_mb : 1; /* PICTURE::SKIPMB */
1036 unsigned int bp_field_tx : 1; /* PICTURE::FIELDTX */
1037 unsigned int bp_forward_mb : 1; /* PICTURE::FORWARDMB */
1038 unsigned int bp_ac_pred : 1; /* PICTURE::ACPRED */
1039 unsigned int bp_overflags : 1; /* PICTURE::OVERFLAGS */
1042 } bitplane_present; /* signal what bitplane is being passed via the bitplane buffer */
1045 unsigned int reference_distance_flag : 1;/* PICTURE_LAYER::REFDIST_FLAG */
1046 unsigned int reference_distance : 5;/* PICTURE_LAYER::REFDIST */
1047 unsigned int num_reference_pictures: 1;/* PICTURE_LAYER::NUMREF */
1048 unsigned int reference_field_pic_indicator : 1;/* PICTURE_LAYER::REFFIELD */
1054 unsigned int mv_mode : 3; /* PICTURE_LAYER::MVMODE */
1055 unsigned int mv_mode2 : 3; /* PICTURE_LAYER::MVMODE2 */
1056 unsigned int mv_table : 3; /* PICTURE_LAYER::MVTAB/IMVTAB */
1057 unsigned int two_mv_block_pattern_table: 2; /* PICTURE_LAYER::2MVBPTAB */
1058 unsigned int four_mv_switch : 1; /* PICTURE_LAYER::4MVSWITCH */
1059 unsigned int four_mv_block_pattern_table : 2; /* PICTURE_LAYER::4MVBPTAB */
1060 unsigned int extended_mv_flag : 1; /* ENTRY_POINT_LAYER::EXTENDED_MV */
1061 unsigned int extended_mv_range : 2; /* PICTURE_LAYER::MVRANGE */
1062 unsigned int extended_dmv_flag : 1; /* ENTRY_POINT_LAYER::EXTENDED_DMV */
1063 unsigned int extended_dmv_range : 2; /* PICTURE_LAYER::DMVRANGE */
1069 unsigned int dquant : 2; /* ENTRY_POINT_LAYER::DQUANT */
1070 unsigned int quantizer : 2; /* ENTRY_POINT_LAYER::QUANTIZER */
1071 unsigned int half_qp : 1; /* PICTURE_LAYER::HALFQP */
1072 unsigned int pic_quantizer_scale : 5;/* PICTURE_LAYER::PQUANT */
1073 unsigned int pic_quantizer_type : 1;/* PICTURE_LAYER::PQUANTIZER */
1074 unsigned int dq_frame : 1; /* VOPDQUANT::DQUANTFRM */
1075 unsigned int dq_profile : 2; /* VOPDQUANT::DQPROFILE */
1076 unsigned int dq_sb_edge : 2; /* VOPDQUANT::DQSBEDGE */
1077 unsigned int dq_db_edge : 2; /* VOPDQUANT::DQDBEDGE */
1078 unsigned int dq_binary_level : 1; /* VOPDQUANT::DQBILEVEL */
1079 unsigned int alt_pic_quantizer : 5;/* VOPDQUANT::ALTPQUANT */
1082 } pic_quantizer_fields;
1085 unsigned int variable_sized_transform_flag : 1;/* ENTRY_POINT_LAYER::VSTRANSFORM */
1086 unsigned int mb_level_transform_type_flag : 1;/* PICTURE_LAYER::TTMBF */
1087 unsigned int frame_level_transform_type : 2;/* PICTURE_LAYER::TTFRM */
1088 unsigned int transform_ac_codingset_idx1 : 2;/* PICTURE_LAYER::TRANSACFRM */
1089 unsigned int transform_ac_codingset_idx2 : 2;/* PICTURE_LAYER::TRANSACFRM2 */
1090 unsigned int intra_transform_dc_table : 1;/* PICTURE_LAYER::TRANSDCTAB */
1094 } VAPictureParameterBufferVC1;
1096 /* VC-1 Bitplane Buffer
1097 There will be at most three bitplanes coded in any picture header. To send
1098 the bitplane data more efficiently, each byte is divided in two nibbles, with
1099 each nibble carrying three bitplanes for one macroblock. The following table
1100 shows the bitplane data arrangement within each nibble based on the picture
1103 Picture Type Bit3 Bit2 Bit1 Bit0
1104 I or BI OVERFLAGS ACPRED FIELDTX
1105 P MYTYPEMB SKIPMB DIRECTMB
1106 B FORWARDMB SKIPMB DIRECTMB
1108 Within each byte, the lower nibble is for the first MB and the upper nibble is
1109 for the second MB. E.g. the lower nibble of the first byte in the bitplane
1110 buffer is for Macroblock #1 and the upper nibble of the first byte is for
1111 Macroblock #2 in the first row.
1114 /* VC-1 Slice Parameter Buffer */
1115 typedef struct _VASliceParameterBufferVC1
1117 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
1118 unsigned int slice_data_offset;/* the offset to the first byte of slice data */
1119 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
1120 unsigned int macroblock_offset;/* the offset to the first bit of MB from the first byte of slice data */
1121 unsigned int slice_vertical_position;
1122 } VASliceParameterBufferVC1;
1124 /* VC-1 Slice Data Buffer */
1126 This is simplely a buffer containing raw bit-stream bytes
1129 /****************************
1130 * H.264/AVC data structures
1131 ****************************/
1133 typedef struct _VAPictureH264
1135 VASurfaceID picture_id;
1136 unsigned int frame_idx;
1138 signed int TopFieldOrderCnt;
1139 signed int BottomFieldOrderCnt;
1141 /* flags in VAPictureH264 could be OR of the following */
1142 #define VA_PICTURE_H264_INVALID 0x00000001
1143 #define VA_PICTURE_H264_TOP_FIELD 0x00000002
1144 #define VA_PICTURE_H264_BOTTOM_FIELD 0x00000004
1145 #define VA_PICTURE_H264_SHORT_TERM_REFERENCE 0x00000008
1146 #define VA_PICTURE_H264_LONG_TERM_REFERENCE 0x00000010
1148 /* H.264 Picture Parameter Buffer */
1150 * For each picture, and before any slice data, a single
1151 * picture parameter buffer must be send.
1153 typedef struct _VAPictureParameterBufferH264
1155 VAPictureH264 CurrPic;
1156 VAPictureH264 ReferenceFrames[16]; /* in DPB */
1157 unsigned short picture_width_in_mbs_minus1;
1158 unsigned short picture_height_in_mbs_minus1;
1159 unsigned char bit_depth_luma_minus8;
1160 unsigned char bit_depth_chroma_minus8;
1161 unsigned char num_ref_frames;
1164 unsigned int chroma_format_idc : 2;
1165 unsigned int residual_colour_transform_flag : 1;
1166 unsigned int gaps_in_frame_num_value_allowed_flag : 1;
1167 unsigned int frame_mbs_only_flag : 1;
1168 unsigned int mb_adaptive_frame_field_flag : 1;
1169 unsigned int direct_8x8_inference_flag : 1;
1170 unsigned int MinLumaBiPredSize8x8 : 1; /* see A.3.3.2 */
1171 unsigned int log2_max_frame_num_minus4 : 4;
1172 unsigned int pic_order_cnt_type : 2;
1173 unsigned int log2_max_pic_order_cnt_lsb_minus4 : 4;
1174 unsigned int delta_pic_order_always_zero_flag : 1;
1178 unsigned char num_slice_groups_minus1;
1179 unsigned char slice_group_map_type;
1180 unsigned short slice_group_change_rate_minus1;
1181 signed char pic_init_qp_minus26;
1182 signed char pic_init_qs_minus26;
1183 signed char chroma_qp_index_offset;
1184 signed char second_chroma_qp_index_offset;
1187 unsigned int entropy_coding_mode_flag : 1;
1188 unsigned int weighted_pred_flag : 1;
1189 unsigned int weighted_bipred_idc : 2;
1190 unsigned int transform_8x8_mode_flag : 1;
1191 unsigned int field_pic_flag : 1;
1192 unsigned int constrained_intra_pred_flag : 1;
1193 unsigned int pic_order_present_flag : 1;
1194 unsigned int deblocking_filter_control_present_flag : 1;
1195 unsigned int redundant_pic_cnt_present_flag : 1;
1196 unsigned int reference_pic_flag : 1; /* nal_ref_idc != 0 */
1200 unsigned short frame_num;
1201 } VAPictureParameterBufferH264;
1203 /* H.264 Inverse Quantization Matrix Buffer */
1204 typedef struct _VAIQMatrixBufferH264
1206 unsigned char ScalingList4x4[6][16];
1207 unsigned char ScalingList8x8[2][64];
1208 } VAIQMatrixBufferH264;
1211 * H.264 Slice Group Map Buffer
1212 * When VAPictureParameterBufferH264::num_slice_group_minus1 is not equal to 0,
1213 * A slice group map buffer should be sent for each picture if required. The buffer
1214 * is sent only when there is a change in the mapping values.
1215 * The slice group map buffer map "map units" to slice groups as specified in
1216 * section 8.2.2 of the H.264 spec. The buffer will contain one byte for each macroblock
1217 * in raster scan order
1220 /* H.264 Slice Parameter Buffer */
1221 typedef struct _VASliceParameterBufferH264
1223 unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */
1224 unsigned int slice_data_offset;/* the offset to the NAL start code for this slice */
1225 unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */
1226 unsigned short slice_data_bit_offset; /* bit offset from NAL start code to the beginning of slice data */
1227 unsigned short first_mb_in_slice;
1228 unsigned char slice_type;
1229 unsigned char direct_spatial_mv_pred_flag;
1230 unsigned char num_ref_idx_l0_active_minus1;
1231 unsigned char num_ref_idx_l1_active_minus1;
1232 unsigned char cabac_init_idc;
1233 char slice_qp_delta;
1234 unsigned char disable_deblocking_filter_idc;
1235 char slice_alpha_c0_offset_div2;
1236 char slice_beta_offset_div2;
1237 VAPictureH264 RefPicList0[32]; /* See 8.2.4.2 */
1238 VAPictureH264 RefPicList1[32]; /* See 8.2.4.2 */
1239 unsigned char luma_log2_weight_denom;
1240 unsigned char chroma_log2_weight_denom;
1241 unsigned char luma_weight_l0_flag;
1242 short luma_weight_l0[32];
1243 short luma_offset_l0[32];
1244 unsigned char chroma_weight_l0_flag;
1245 short chroma_weight_l0[32][2];
1246 short chroma_offset_l0[32][2];
1247 unsigned char luma_weight_l1_flag;
1248 short luma_weight_l1[32];
1249 short luma_offset_l1[32];
1250 unsigned char chroma_weight_l1_flag;
1251 short chroma_weight_l1[32][2];
1252 short chroma_offset_l1[32][2];
1253 } VASliceParameterBufferH264;
1255 /****************************
1256 * Common encode data structures
1257 ****************************/
1260 VAEncPictureTypeIntra = 0,
1261 VAEncPictureTypePredictive = 1,
1262 VAEncPictureTypeBidirectional = 2,
1265 /* Encode Slice Parameter Buffer */
1266 typedef struct _VAEncSliceParameterBuffer
1268 unsigned int start_row_number; /* starting MB row number for this slice */
1269 unsigned int slice_height; /* slice height measured in MB */
1272 unsigned int is_intra : 1;
1273 unsigned int disable_deblocking_filter_idc : 2;
1274 unsigned int uses_long_term_ref :1;
1275 unsigned int is_long_term_ref :1;
1279 } VAEncSliceParameterBuffer;
1281 /****************************
1282 * H.264 specific encode data structures
1283 ****************************/
1285 typedef struct _VAEncSequenceParameterBufferH264
1287 unsigned char seq_parameter_set_id;
1288 unsigned char level_idc;
1289 unsigned int intra_period;
1290 unsigned int intra_idr_period;
1291 unsigned int max_num_ref_frames;
1292 unsigned int picture_width_in_mbs;
1293 unsigned int picture_height_in_mbs;
1294 unsigned int bits_per_second;
1295 unsigned int frame_rate;
1296 unsigned int initial_qp;
1297 unsigned int min_qp;
1298 unsigned int basic_unit_size;
1299 unsigned char vui_flag;
1300 } VAEncSequenceParameterBufferH264;
1302 #define H264_LAST_PICTURE_EOSEQ 0x01 /* the last picture in the sequence */
1303 #define H264_LAST_PICTURE_EOSTREAM 0x02 /* the last picture in the stream */
1304 typedef struct _VAEncPictureParameterBufferH264
1306 VASurfaceID reference_picture;
1307 VASurfaceID reconstructed_picture;
1308 VABufferID coded_buf;
1309 unsigned short picture_width;
1310 unsigned short picture_height;
1311 unsigned char last_picture;
1312 } VAEncPictureParameterBufferH264;
1314 /****************************
1315 * H.263 specific encode data structures
1316 ****************************/
1318 typedef struct _VAEncSequenceParameterBufferH263
1320 unsigned int intra_period;
1321 unsigned int bits_per_second;
1322 unsigned int frame_rate;
1323 unsigned int initial_qp;
1324 unsigned int min_qp;
1325 } VAEncSequenceParameterBufferH263;
1327 typedef struct _VAEncPictureParameterBufferH263
1329 VASurfaceID reference_picture;
1330 VASurfaceID reconstructed_picture;
1331 VABufferID coded_buf;
1332 unsigned short picture_width;
1333 unsigned short picture_height;
1334 VAEncPictureType picture_type;
1335 } VAEncPictureParameterBufferH263;
1337 /****************************
1338 * MPEG-4 specific encode data structures
1339 ****************************/
1341 typedef struct _VAEncSequenceParameterBufferMPEG4
1343 unsigned char profile_and_level_indication;
1344 unsigned int intra_period;
1345 unsigned int video_object_layer_width;
1346 unsigned int video_object_layer_height;
1347 unsigned int vop_time_increment_resolution;
1348 unsigned int fixed_vop_rate;
1349 unsigned int fixed_vop_time_increment;
1350 unsigned int bits_per_second;
1351 unsigned int frame_rate;
1352 unsigned int initial_qp;
1353 unsigned int min_qp;
1354 } VAEncSequenceParameterBufferMPEG4;
1356 typedef struct _VAEncPictureParameterBufferMPEG4
1358 VASurfaceID reference_picture;
1359 VASurfaceID reconstructed_picture;
1360 VABufferID coded_buf;
1361 unsigned short picture_width;
1362 unsigned short picture_height;
1363 unsigned int modulo_time_base; /* number of 1s */
1364 unsigned int vop_time_increment;
1365 VAEncPictureType picture_type;
1366 } VAEncPictureParameterBufferMPEG4;
1370 /* Buffer functions */
1373 * Creates a buffer for "num_elements" elements of "size" bytes and
1374 * initalize with "data".
1375 * if "data" is null, then the contents of the buffer data store
1377 * Basically there are two ways to get buffer data to the server side. One is
1378 * to call vaCreateBuffer() with a non-null "data", which results the data being
1379 * copied to the data store on the server side. A different method that
1380 * eliminates this copy is to pass null as "data" when calling vaCreateBuffer(),
1381 * and then use vaMapBuffer() to map the data store from the server side to the
1382 * client address space for access.
1383 * Note: image buffers are created by the library, not the client. Please see
1384 * vaCreateImage on how image buffers are managed.
1386 VAStatus vaCreateBuffer (
1388 VAContextID context,
1389 VABufferType type, /* in */
1390 unsigned int size, /* in */
1391 unsigned int num_elements, /* in */
1392 void *data, /* in */
1393 VABufferID *buf_id /* out */
1397 * Convey to the server how many valid elements are in the buffer.
1398 * e.g. if multiple slice parameters are being held in a single buffer,
1399 * this will communicate to the server the number of slice parameters
1400 * that are valid in the buffer.
1402 VAStatus vaBufferSetNumElements (
1404 VABufferID buf_id, /* in */
1405 unsigned int num_elements /* in */
1410 * device independent data structure for codedbuffer
1414 * FICTURE_AVE_QP(bit7-0): The average Qp value used during this frame
1415 * LARGE_SLICE(bit8):At least one slice in the current frame was large
1416 * enough for the encoder to attempt to limit its size.
1417 * SLICE_OVERFLOW(bit9): At least one slice in the current frame has
1418 * exceeded the maximum slice size specified.
1419 * BITRATE_OVERFLOW(bit10): The peak bitrate was exceeded for this frame.
1420 * BITRATE_HIGH(bit11): The frame size got within the safety margin of the maximum size (VCM only)
1421 * AIR_MB_OVER_THRESHOLD: the number of MBs adapted to Intra MB
1423 #define VA_CODED_BUF_STATUS_PICTURE_AVE_QP_MASK 0xff
1424 #define VA_CODED_BUF_STATUS_LARGE_SLICE_MASK 0x100
1425 #define VA_CODED_BUF_STATUS_SLICE_OVERFLOW_MASK 0x200
1426 #define VA_CODED_BUF_STATUS_BITRATE_OVERFLOW 0x400
1427 #define VA_CODED_BUF_STATUS_BITRATE_HIGH 0x800
1428 #define VA_CODED_BUF_STATUS_AIR_MB_OVER_THRESHOLD 0xff0000
1431 * device independent data structure for codedbuffer
1433 typedef struct _VACodedBufferSegment {
1434 unsigned int size;/* size of the data buffer in the coded buffer segment, in bytes */
1435 unsigned int bit_offset; /* bit offset into the data buffer where valid bitstream data begins */
1436 unsigned int status; /* status set by the driver on the coded buffer*/
1437 unsigned int reserved; /* for future use */
1438 void *buf; /* pointer to the beginning of the data buffer in the coded buffer segment */
1439 void *next; /* pointer to the next VACodedBufferSegment */
1440 } VACodedBufferSegment;
1443 * Map data store of the buffer into the client's address space
1444 * vaCreateBuffer() needs to be called with "data" set to NULL before
1445 * calling vaMapBuffer()
1447 * if buffer type is VAEncCodedBufferType, pbuf points to link-list of
1448 * VACodedBufferSegment, and the list is terminated if "next" is NULL
1450 VAStatus vaMapBuffer (
1452 VABufferID buf_id, /* in */
1453 void **pbuf /* out */
1457 * After client making changes to a mapped data store, it needs to
1458 * "Unmap" it to let the server know that the data is ready to be
1459 * consumed by the server
1461 VAStatus vaUnmapBuffer (
1463 VABufferID buf_id /* in */
1467 * After this call, the buffer is deleted and this buffer_id is no longer valid
1468 * Only call this if the buffer is not going to be passed to vaRenderBuffer
1470 VAStatus vaDestroyBuffer (
1472 VABufferID buffer_id
1476 Render (Decode) Pictures
1478 A picture represents either a frame or a field.
1480 The Begin/Render/End sequence sends the decode buffers to the server
1484 * Get ready to decode a picture to a target surface
1486 VAStatus vaBeginPicture (
1488 VAContextID context,
1489 VASurfaceID render_target
1493 * Send decode buffers to the server.
1494 * Buffers are automatically destroyed afterwards
1496 VAStatus vaRenderPicture (
1498 VAContextID context,
1499 VABufferID *buffers,
1504 * Make the end of rendering for a picture.
1505 * The server should start processing all pending operations for this
1506 * surface. This call is non-blocking. The client can start another
1507 * Begin/Render/End sequence on a different render target.
1509 VAStatus vaEndPicture (
1521 * This function blocks until all pending operations on the render target
1522 * have been completed. Upon return it is safe to use the render target for a
1523 * different picture.
1525 VAStatus vaSyncSurface (
1527 VASurfaceID render_target
1532 VASurfaceRendering = 1, /* Rendering in progress */
1533 VASurfaceDisplaying = 2, /* Displaying in progress (not safe to render into it) */
1534 /* this status is useful if surface is used as the source */
1536 VASurfaceReady = 4, /* not being rendered or displayed */
1537 VASurfaceSkipped = 8 /* Indicate a skipped frame during encode */
1541 * Find out any pending ops on the render target
1543 VAStatus vaQuerySurfaceStatus (
1545 VASurfaceID render_target,
1546 VASurfaceStatus *status /* out */
1551 VADecodeSliceMissing = 0,
1552 VADecodeMBError = 1,
1553 } VADecodeErrorType;
1556 * Client calls vaQuerySurfaceError with VA_STATUS_ERROR_DECODING_ERROR, server side returns
1557 * an array of structure VASurfaceDecodeMBErrors, and the array is terminated by setting status=-1
1559 typedef struct _VASurfaceDecodeMBErrors
1561 int status; /* 1 if hardware has returned detailed info below, -1 means this record is invalid */
1562 unsigned int start_mb; /* start mb address with errors */
1563 unsigned int end_mb; /* end mb address with errors */
1564 VADecodeErrorType decode_error_type;
1565 } VASurfaceDecodeMBErrors;
1568 * After the application gets VA_STATUS_ERROR_DECODING_ERROR after calling vaSyncSurface(),
1569 * it can call vaQuerySurfaceError to find out further details on the particular error.
1570 * VA_STATUS_ERROR_DECODING_ERROR should be passed in as "error_status",
1571 * upon the return, error_info will point to an array of _VASurfaceDecodeMBErrors structure,
1572 * which is allocated and filled by libVA with detailed information on the missing or error macroblocks.
1573 * The array is terminated if "status==-1" is detected.
1575 VAStatus vaQuerySurfaceError(
1577 VASurfaceID surface,
1578 VAStatus error_status,
1583 * Images and Subpictures
1584 * VAImage is used to either get the surface data to client memory, or
1585 * to copy image data in client memory to a surface.
1586 * Both images, subpictures and surfaces follow the same 2D coordinate system where origin
1587 * is at the upper left corner with positive X to the right and positive Y down
1589 #define VA_FOURCC(ch0, ch1, ch2, ch3) \
1590 ((unsigned long)(unsigned char) (ch0) | ((unsigned long)(unsigned char) (ch1) << 8) | \
1591 ((unsigned long)(unsigned char) (ch2) << 16) | ((unsigned long)(unsigned char) (ch3) << 24 ))
1593 /* a few common FourCCs */
1594 #define VA_FOURCC_NV12 0x3231564E
1595 #define VA_FOURCC_AI44 0x34344149
1596 #define VA_FOURCC_RGBA 0x41424752
1597 #define VA_FOURCC_BGRA 0x41524742
1598 #define VA_FOURCC_UYVY 0x59565955
1599 #define VA_FOURCC_YUY2 0x32595559
1600 #define VA_FOURCC_AYUV 0x56555941
1601 #define VA_FOURCC_NV11 0x3131564e
1602 #define VA_FOURCC_YV12 0x32315659
1603 #define VA_FOURCC_P208 0x38303250
1604 #define VA_FOURCC_IYUV 0x56555949
1607 #define VA_LSB_FIRST 1
1608 #define VA_MSB_FIRST 2
1610 typedef struct _VAImageFormat
1612 unsigned int fourcc;
1613 unsigned int byte_order; /* VA_LSB_FIRST, VA_MSB_FIRST */
1614 unsigned int bits_per_pixel;
1615 /* for RGB formats */
1616 unsigned int depth; /* significant bits per pixel */
1617 unsigned int red_mask;
1618 unsigned int green_mask;
1619 unsigned int blue_mask;
1620 unsigned int alpha_mask;
1623 typedef VAGenericID VAImageID;
1625 typedef struct _VAImage
1627 VAImageID image_id; /* uniquely identify this image */
1628 VAImageFormat format;
1629 VABufferID buf; /* image data buffer */
1631 * Image data will be stored in a buffer of type VAImageBufferType to facilitate
1632 * data store on the server side for optimal performance. The buffer will be
1633 * created by the CreateImage function, and proper storage allocated based on the image
1634 * size and format. This buffer is managed by the library implementation, and
1635 * accessed by the client through the buffer Map/Unmap functions.
1637 unsigned short width;
1638 unsigned short height;
1639 unsigned int data_size;
1640 unsigned int num_planes; /* can not be greater than 3 */
1642 * An array indicating the scanline pitch in bytes for each plane.
1643 * Each plane may have a different pitch. Maximum 3 planes for planar formats
1645 unsigned int pitches[3];
1647 * An array indicating the byte offset from the beginning of the image data
1648 * to the start of each plane.
1650 unsigned int offsets[3];
1652 /* The following fields are only needed for paletted formats */
1653 int num_palette_entries; /* set to zero for non-palette images */
1655 * Each component is one byte and entry_bytes indicates the number of components in
1656 * each entry (eg. 3 for YUV palette entries). set to zero for non-palette images
1660 * An array of ascii characters describing the order of the components within the bytes.
1661 * Only entry_bytes characters of the string are used.
1663 char component_order[4];
1666 /* Get maximum number of image formats supported by the implementation */
1667 int vaMaxNumImageFormats (
1672 * Query supported image formats
1673 * The caller must provide a "format_list" array that can hold at
1674 * least vaMaxNumImageFormats() entries. The actual number of formats
1675 * returned in "format_list" is returned in "num_formats".
1677 VAStatus vaQueryImageFormats (
1679 VAImageFormat *format_list, /* out */
1680 int *num_formats /* out */
1684 * Create a VAImage structure
1685 * The width and height fields returned in the VAImage structure may get
1686 * enlarged for some YUV formats. Upon return from this function,
1687 * image->buf has been created and proper storage allocated by the library.
1688 * The client can access the image through the Map/Unmap calls.
1690 VAStatus vaCreateImage (
1692 VAImageFormat *format,
1695 VAImage *image /* out */
1699 * Should call DestroyImage before destroying the surface it is bound to
1701 VAStatus vaDestroyImage (
1706 VAStatus vaSetImagePalette (
1710 * pointer to an array holding the palette data. The size of the array is
1711 * num_palette_entries * entry_bytes in size. The order of the components
1712 * in the palette is described by the component_order in VAImage struct
1714 unsigned char *palette
1718 * Retrive surface data into a VAImage
1719 * Image must be in a format supported by the implementation
1721 VAStatus vaGetImage (
1723 VASurfaceID surface,
1724 int x, /* coordinates of the upper left source pixel */
1726 unsigned int width, /* width and height of the region */
1727 unsigned int height,
1732 * Copy data from a VAImage to a surface
1733 * Image must be in a format supported by the implementation
1734 * Returns a VA_STATUS_ERROR_SURFACE_BUSY if the surface
1735 * shouldn't be rendered into when this is called
1737 VAStatus vaPutImage (
1739 VASurfaceID surface,
1743 unsigned int src_width,
1744 unsigned int src_height,
1747 unsigned int dest_width,
1748 unsigned int dest_height
1752 * Derive an VAImage from an existing surface.
1753 * This interface will derive a VAImage and corresponding image buffer from
1754 * an existing VA Surface. The image buffer can then be mapped/unmapped for
1755 * direct CPU access. This operation is only possible on implementations with
1756 * direct rendering capabilities and internal surface formats that can be
1757 * represented with a VAImage. When the operation is not possible this interface
1758 * will return VA_STATUS_ERROR_OPERATION_FAILED. Clients should then fall back
1759 * to using vaCreateImage + vaPutImage to accomplish the same task in an
1762 * Implementations should only return success when the resulting image buffer
1763 * would be useable with vaMap/Unmap.
1765 * When directly accessing a surface special care must be taken to insure
1766 * proper synchronization with the graphics hardware. Clients should call
1767 * vaQuerySurfaceStatus to insure that a surface is not the target of concurrent
1768 * rendering or currently being displayed by an overlay.
1770 * Additionally nothing about the contents of a surface should be assumed
1771 * following a vaPutSurface. Implementations are free to modify the surface for
1772 * scaling or subpicture blending within a call to vaPutImage.
1774 * Calls to vaPutImage or vaGetImage using the same surface from which the image
1775 * has been derived will return VA_STATUS_ERROR_SURFACE_BUSY. vaPutImage or
1776 * vaGetImage with other surfaces is supported.
1778 * An image created with vaDeriveImage should be freed with vaDestroyImage. The
1779 * image and image buffer structures will be destroyed; however, the underlying
1780 * surface will remain unchanged until freed with vaDestroySurfaces.
1782 VAStatus vaDeriveImage (
1784 VASurfaceID surface,
1785 VAImage *image /* out */
1790 * Subpicture is a special type of image that can be blended
1791 * with a surface during vaPutSurface(). Subpicture can be used to render
1792 * DVD sub-titles or closed captioning text etc.
1795 typedef VAGenericID VASubpictureID;
1797 /* Get maximum number of subpicture formats supported by the implementation */
1798 int vaMaxNumSubpictureFormats (
1802 /* flags for subpictures */
1803 #define VA_SUBPICTURE_CHROMA_KEYING 0x0001
1804 #define VA_SUBPICTURE_GLOBAL_ALPHA 0x0002
1805 #define VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD 0x0004
1807 * Query supported subpicture formats
1808 * The caller must provide a "format_list" array that can hold at
1809 * least vaMaxNumSubpictureFormats() entries. The flags arrary holds the flag
1810 * for each format to indicate additional capabilities for that format. The actual
1811 * number of formats returned in "format_list" is returned in "num_formats".
1812 * flags: returned value to indicate addtional capabilities
1813 * VA_SUBPICTURE_CHROMA_KEYING - supports chroma-keying
1814 * VA_SUBPICTURE_GLOBAL_ALPHA - supports global alpha
1815 * VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD - supports unscaled screen relative subpictures for On Screen Display
1818 VAStatus vaQuerySubpictureFormats (
1820 VAImageFormat *format_list, /* out */
1821 unsigned int *flags, /* out */
1822 unsigned int *num_formats /* out */
1826 * Subpictures are created with an image associated.
1828 VAStatus vaCreateSubpicture (
1831 VASubpictureID *subpicture /* out */
1835 * Destroy the subpicture before destroying the image it is assocated to
1837 VAStatus vaDestroySubpicture (
1839 VASubpictureID subpicture
1843 * Bind an image to the subpicture. This image will now be associated with
1844 * the subpicture instead of the one at creation.
1846 VAStatus vaSetSubpictureImage (
1848 VASubpictureID subpicture,
1853 * If chromakey is enabled, then the area where the source value falls within
1854 * the chromakey [min, max] range is transparent
1855 * The chromakey component format is the following:
1856 * For RGB: [0:7] Red [8:15] Blue [16:23] Green
1857 * For YUV: [0:7] V [8:15] U [16:23] Y
1858 * The chromakey mask can be used to mask out certain components for chromakey
1861 VAStatus vaSetSubpictureChromakey (
1863 VASubpictureID subpicture,
1864 unsigned int chromakey_min,
1865 unsigned int chromakey_max,
1866 unsigned int chromakey_mask
1870 * Global alpha value is between 0 and 1. A value of 1 means fully opaque and
1871 * a value of 0 means fully transparent. If per-pixel alpha is also specified then
1872 * the overall alpha is per-pixel alpha multiplied by the global alpha
1874 VAStatus vaSetSubpictureGlobalAlpha (
1876 VASubpictureID subpicture,
1881 * vaAssociateSubpicture associates the subpicture with target_surfaces.
1882 * It defines the region mapping between the subpicture and the target
1883 * surfaces through source and destination rectangles (with the same width and height).
1884 * Both will be displayed at the next call to vaPutSurface. Additional
1885 * associations before the call to vaPutSurface simply overrides the association.
1887 VAStatus vaAssociateSubpicture (
1889 VASubpictureID subpicture,
1890 VASurfaceID *target_surfaces,
1892 short src_x, /* upper left offset in subpicture */
1894 unsigned short src_width,
1895 unsigned short src_height,
1896 short dest_x, /* upper left offset in surface */
1898 unsigned short dest_width,
1899 unsigned short dest_height,
1901 * whether to enable chroma-keying, global-alpha, or screen relative mode
1902 * see VA_SUBPICTURE_XXX values
1908 * vaDeassociateSubpicture removes the association of the subpicture with target_surfaces.
1910 VAStatus vaDeassociateSubpicture (
1912 VASubpictureID subpicture,
1913 VASurfaceID *target_surfaces,
1917 typedef struct _VARectangle
1921 unsigned short width;
1922 unsigned short height;
1926 * Display attributes
1927 * Display attributes are used to control things such as contrast, hue, saturation,
1928 * brightness etc. in the rendering process. The application can query what
1929 * attributes are supported by the driver, and then set the appropriate attributes
1930 * before calling vaPutSurface()
1932 /* PowerVR IEP Lite attributes */
1935 VADISPLAYATTRIB_BLE_OFF = 0x00,
1936 VADISPLAYATTRIB_BLE_LOW,
1937 VADISPLAYATTRIB_BLE_MEDIUM,
1938 VADISPLAYATTRIB_BLE_HIGH,
1939 VADISPLAYATTRIB_BLE_NONE,
1940 } VADisplayAttribBLEMode;
1942 /* attribute value for VADisplayAttribRotation */
1943 #define VA_ROTATION_NONE 0x00000000
1944 #define VA_ROTATION_90 0x00000001
1945 #define VA_ROTATION_180 0x00000002
1946 #define VA_ROTATION_270 0x00000003
1948 /* attribute value for VADisplayAttribOutOfLoopDeblock */
1949 #define VA_OOL_DEBLOCKING_FALSE 0x00000000
1950 #define VA_OOL_DEBLOCKING_TRUE 0x00000001
1953 #define VA_RENDER_MODE_UNDEFINED 0
1954 #define VA_RENDER_MODE_LOCAL_OVERLAY 1
1955 #define VA_RENDER_MODE_LOCAL_GPU 2
1956 #define VA_RENDER_MODE_EXTERNAL_OVERLAY 4
1957 #define VA_RENDER_MODE_EXTERNAL_GPU 8
1960 #define VA_RENDER_DEVICE_UNDEFINED 0
1961 #define VA_RENDER_DEVICE_LOCAL 1
1962 #define VA_RENDER_DEVICE_EXTERNAL 2
1964 /* Currently defined display attribute types */
1967 VADisplayAttribBrightness = 0,
1968 VADisplayAttribContrast = 1,
1969 VADisplayAttribHue = 2,
1970 VADisplayAttribSaturation = 3,
1971 /* client can specifiy a background color for the target window
1972 * the new feature of video conference,
1973 * the uncovered area of the surface is filled by this color
1974 * also it will blend with the decoded video color
1976 VADisplayAttribBackgroundColor = 4,
1978 * this is a gettable only attribute. For some implementations that use the
1979 * hardware overlay, after PutSurface is called, the surface can not be
1980 * re-used until after the subsequent PutSurface call. If this is the case
1981 * then the value for this attribute will be set to 1 so that the client
1982 * will not attempt to re-use the surface right after returning from a call
1985 * Don't use it, use flag VASurfaceDisplaying of vaQuerySurfaceStatus since
1986 * driver may use overlay or GPU alternatively
1988 VADisplayAttribDirectSurface = 5,
1989 VADisplayAttribRotation = 6,
1990 VADisplayAttribOutofLoopDeblock = 7,
1992 /* PowerVR IEP Lite specific attributes */
1993 VADisplayAttribBLEBlackMode = 8,
1994 VADisplayAttribBLEWhiteMode = 9,
1995 VADisplayAttribBlueStretch = 10,
1996 VADisplayAttribSkinColorCorrection = 11,
1998 * For type VADisplayAttribCSCMatrix, "value" field is a pointer to the color
1999 * conversion matrix. Each element in the matrix is float-point
2001 VADisplayAttribCSCMatrix = 12,
2002 /* specify the constant color used to blend with video surface
2003 * Cd = Cv*Cc*Ac + Cb *(1 - Ac) C means the constant RGB
2004 * d: the final color to overwrite into the frame buffer
2005 * v: decoded video after color conversion,
2006 * c: video color specified by VADisplayAttribBlendColor
2007 * b: background color of the drawable
2009 VADisplayAttribBlendColor = 13,
2011 * Indicate driver to skip painting color key or not.
2012 * only applicable if the render is overlay
2014 VADisplayAttribOverlayAutoPaintColorKey = 14,
2016 * customized overlay color key, the format is RGB888
2017 * [23:16] = Red, [15:08] = Green, [07:00] = Blue.
2019 VADisplayAttribOverlayColorKey = 15,
2021 * The hint for the implementation of vaPutSurface
2022 * normally, the driver could use an overlay or GPU to render the surface on the screen
2023 * this flag provides APP the flexibity to switch the render dynamically
2025 VADisplayAttribRenderMode = 16,
2027 * specify if vaPutSurface needs to render into specified monitors
2028 * one example is that one external monitor (e.g. HDMI) is enabled,
2029 * but the window manager is not aware of it, and there is no associated drawable
2031 VADisplayAttribRenderDevice = 17,
2033 * specify vaPutSurface render area if there is no drawable on the monitor
2035 VADisplayAttribRenderRect = 18,
2036 } VADisplayAttribType;
2038 /* flags for VADisplayAttribute */
2039 #define VA_DISPLAY_ATTRIB_NOT_SUPPORTED 0x0000
2040 #define VA_DISPLAY_ATTRIB_GETTABLE 0x0001
2041 #define VA_DISPLAY_ATTRIB_SETTABLE 0x0002
2043 typedef struct _VADisplayAttribute
2045 VADisplayAttribType type;
2048 int value; /* used by the set/get attribute functions */
2049 /* flags can be VA_DISPLAY_ATTRIB_GETTABLE or VA_DISPLAY_ATTRIB_SETTABLE or OR'd together */
2051 } VADisplayAttribute;
2053 /* Get maximum number of display attributs supported by the implementation */
2054 int vaMaxNumDisplayAttributes (
2059 * Query display attributes
2060 * The caller must provide a "attr_list" array that can hold at
2061 * least vaMaxNumDisplayAttributes() entries. The actual number of attributes
2062 * returned in "attr_list" is returned in "num_attributes".
2064 VAStatus vaQueryDisplayAttributes (
2066 VADisplayAttribute *attr_list, /* out */
2067 int *num_attributes /* out */
2071 * Get display attributes
2072 * This function returns the current attribute values in "attr_list".
2073 * Only attributes returned with VA_DISPLAY_ATTRIB_GETTABLE set in the "flags" field
2074 * from vaQueryDisplayAttributes() can have their values retrieved.
2076 VAStatus vaGetDisplayAttributes (
2078 VADisplayAttribute *attr_list, /* in/out */
2083 * Set display attributes
2084 * Only attributes returned with VA_DISPLAY_ATTRIB_SETTABLE set in the "flags" field
2085 * from vaQueryDisplayAttributes() can be set. If the attribute is not settable or
2086 * the value is out of range, the function returns VA_STATUS_ERROR_ATTR_NOT_SUPPORTED
2088 VAStatus vaSetDisplayAttributes (
2090 VADisplayAttribute *attr_list,