1 /*
2  * VC-1 HW decode acceleration through VA API
3  *
4  * Copyright (C) 2008-2009 Splitted-Desktop Systems
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "config_components.h"
24 
25 #include "hwconfig.h"
26 #include "mpegvideodec.h"
27 #include "vaapi_decode.h"
28 #include "vc1.h"
29 #include "vc1data.h"
30 
31 /** Translate FFmpeg MV modes to VA API */
get_VAMvModeVC1(enum MVModes mv_mode)32 static int get_VAMvModeVC1(enum MVModes mv_mode)
33 {
34     switch (mv_mode) {
35     case MV_PMODE_1MV_HPEL_BILIN: return VAMvMode1MvHalfPelBilinear;
36     case MV_PMODE_1MV:            return VAMvMode1Mv;
37     case MV_PMODE_1MV_HPEL:       return VAMvMode1MvHalfPel;
38     case MV_PMODE_MIXED_MV:       return VAMvModeMixedMv;
39     case MV_PMODE_INTENSITY_COMP: return VAMvModeIntensityCompensation;
40     }
41     return 0;
42 }
43 
44 /** Check whether the MVTYPEMB bitplane is present */
vc1_has_MVTYPEMB_bitplane(const VC1Context *v)45 static inline int vc1_has_MVTYPEMB_bitplane(const VC1Context *v)
46 {
47     if (v->mv_type_is_raw)
48         return 0;
49     return v->fcm == PROGRESSIVE &&
50            (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
51            (v->mv_mode == MV_PMODE_MIXED_MV ||
52             (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
53              v->mv_mode2 == MV_PMODE_MIXED_MV));
54 }
55 
56 /** Check whether the SKIPMB bitplane is present */
vc1_has_SKIPMB_bitplane(const VC1Context *v)57 static inline int vc1_has_SKIPMB_bitplane(const VC1Context *v)
58 {
59     if (v->skip_is_raw)
60         return 0;
61     return (v->fcm == PROGRESSIVE || v->fcm == ILACE_FRAME) &&
62            ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) ||
63             (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type));
64 }
65 
66 /** Check whether the DIRECTMB bitplane is present */
vc1_has_DIRECTMB_bitplane(const VC1Context *v)67 static inline int vc1_has_DIRECTMB_bitplane(const VC1Context *v)
68 {
69     if (v->dmb_is_raw)
70         return 0;
71     return (v->fcm == PROGRESSIVE || v->fcm == ILACE_FRAME) &&
72            (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
73 }
74 
75 /** Check whether the ACPRED bitplane is present */
vc1_has_ACPRED_bitplane(const VC1Context *v)76 static inline int vc1_has_ACPRED_bitplane(const VC1Context *v)
77 {
78     if (v->acpred_is_raw)
79         return 0;
80     return v->profile == PROFILE_ADVANCED &&
81            (v->s.pict_type == AV_PICTURE_TYPE_I ||
82             (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
83 }
84 
85 /** Check whether the OVERFLAGS bitplane is present */
vc1_has_OVERFLAGS_bitplane(const VC1Context *v)86 static inline int vc1_has_OVERFLAGS_bitplane(const VC1Context *v)
87 {
88     if (v->overflg_is_raw)
89         return 0;
90     return v->profile == PROFILE_ADVANCED &&
91            (v->s.pict_type == AV_PICTURE_TYPE_I ||
92             (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
93            (v->overlap && v->pq <= 8) &&
94            v->condover == CONDOVER_SELECT;
95 }
96 
97 /** Check whether the FIELDTX bitplane is present */
vc1_has_FIELDTX_bitplane(const VC1Context *v)98 static inline int vc1_has_FIELDTX_bitplane(const VC1Context *v)
99 {
100     if (v->fieldtx_is_raw)
101         return 0;
102     return v->fcm == ILACE_FRAME &&
103            (v->s.pict_type == AV_PICTURE_TYPE_I ||
104             (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
105 }
106 
107 /** Check whether the FORWARDMB bitplane is present */
vc1_has_FORWARDMB_bitplane(const VC1Context *v)108 static inline int vc1_has_FORWARDMB_bitplane(const VC1Context *v)
109 {
110     if (v->fmb_is_raw)
111         return 0;
112     return v->fcm == ILACE_FIELD &&
113            (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
114 }
115 
116 /** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */
vc1_get_PTYPE(const VC1Context *v)117 static int vc1_get_PTYPE(const VC1Context *v)
118 {
119     const MpegEncContext *s = &v->s;
120     switch (s->pict_type) {
121     case AV_PICTURE_TYPE_I: return 0;
122     case AV_PICTURE_TYPE_P: return v->p_frame_skipped ? 4 : 1;
123     case AV_PICTURE_TYPE_B: return v->bi_type         ? 3 : 2;
124     }
125     return 0;
126 }
127 
128 /** Reconstruct bitstream FPTYPE (9.1.1.42, index into Table-105) */
vc1_get_FPTYPE(const VC1Context *v)129 static int vc1_get_FPTYPE(const VC1Context *v)
130 {
131     const MpegEncContext *s = &v->s;
132     switch (s->pict_type) {
133     case AV_PICTURE_TYPE_I: return 0;
134     case AV_PICTURE_TYPE_P: return 3;
135     case AV_PICTURE_TYPE_B: return v->bi_type ? 7 : 4;
136     }
137     return 0;
138 }
139 
140 /** Reconstruct bitstream MVMODE (7.1.1.32) */
vc1_get_MVMODE(const VC1Context *v)141 static inline VAMvModeVC1 vc1_get_MVMODE(const VC1Context *v)
142 {
143     if ((v->fcm == PROGRESSIVE || v->fcm == ILACE_FIELD) &&
144         ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) ||
145          (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type)))
146         return get_VAMvModeVC1(v->mv_mode);
147     return 0;
148 }
149 
150 /** Reconstruct bitstream MVMODE2 (7.1.1.33) */
vc1_get_MVMODE2(const VC1Context *v)151 static inline VAMvModeVC1 vc1_get_MVMODE2(const VC1Context *v)
152 {
153     if ((v->fcm == PROGRESSIVE || v->fcm == ILACE_FIELD) &&
154         (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
155         v->mv_mode == MV_PMODE_INTENSITY_COMP)
156         return get_VAMvModeVC1(v->mv_mode2);
157     return 0;
158 }
159 
vc1_get_INTCOMPFIELD(const VC1Context *v)160 av_unused static inline int vc1_get_INTCOMPFIELD(const VC1Context *v)
161 {
162     if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
163         v->fcm == ILACE_FIELD &&
164         v->mv_mode == MV_PMODE_INTENSITY_COMP)
165         switch (v->intcompfield) {
166         case 1: return 1;
167         case 2: return 2;
168         case 3: return 0;
169         }
170     return 0;
171 }
172 
vc1_get_LUMSCALE(const VC1Context *v)173 static inline int vc1_get_LUMSCALE(const VC1Context *v)
174 {
175     if (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) {
176         if ((v->fcm == PROGRESSIVE && v->mv_mode == MV_PMODE_INTENSITY_COMP) ||
177             (v->fcm == ILACE_FRAME && v->intcomp))
178             return v->lumscale;
179         else if (v->fcm == ILACE_FIELD && v->mv_mode == MV_PMODE_INTENSITY_COMP)
180             switch (v->intcompfield) {
181             case 1: return v->lumscale;
182             case 2: return v->lumscale2;
183             case 3: return v->lumscale;
184         }
185     }
186     return 0;
187 }
188 
vc1_get_LUMSHIFT(const VC1Context *v)189 static inline int vc1_get_LUMSHIFT(const VC1Context *v)
190 {
191     if (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) {
192         if ((v->fcm == PROGRESSIVE && v->mv_mode == MV_PMODE_INTENSITY_COMP) ||
193             (v->fcm == ILACE_FRAME && v->intcomp))
194             return v->lumshift;
195         else if (v->fcm == ILACE_FIELD && v->mv_mode == MV_PMODE_INTENSITY_COMP)
196             switch (v->intcompfield) {
197             case 1: return v->lumshift;
198             case 2: return v->lumshift2;
199             case 3: return v->lumshift;
200         }
201     }
202     return 0;
203 }
204 
vc1_get_LUMSCALE2(const VC1Context *v)205 av_unused static inline int vc1_get_LUMSCALE2(const VC1Context *v)
206 {
207     if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
208         v->fcm == ILACE_FIELD &&
209         v->mv_mode == MV_PMODE_INTENSITY_COMP &&
210         v->intcompfield == 3)
211         return v->lumscale2;
212     return 0;
213 }
214 
vc1_get_LUMSHIFT2(const VC1Context *v)215 av_unused static inline int vc1_get_LUMSHIFT2(const VC1Context *v)
216 {
217     if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
218         v->fcm == ILACE_FIELD &&
219         v->mv_mode == MV_PMODE_INTENSITY_COMP &&
220         v->intcompfield == 3)
221         return v->lumshift2;
222     return 0;
223 }
224 
225 /** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */
vc1_get_TTFRM(const VC1Context *v)226 static inline int vc1_get_TTFRM(const VC1Context *v)
227 {
228     switch (v->ttfrm) {
229     case TT_8X8: return 0;
230     case TT_8X4: return 1;
231     case TT_4X8: return 2;
232     case TT_4X4: return 3;
233     }
234     return 0;
235 }
236 
237 /** Pack FFmpeg bitplanes into a VABitPlaneBuffer element */
vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)238 static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
239 {
240     const int bitplane_index = n / 2;
241     const int ff_bp_index = y * stride + x;
242     uint8_t v = 0;
243     if (ff_bp[0])
244         v = ff_bp[0][ff_bp_index];
245     if (ff_bp[1])
246         v |= ff_bp[1][ff_bp_index] << 1;
247     if (ff_bp[2])
248         v |= ff_bp[2][ff_bp_index] << 2;
249     bitplane[bitplane_index] = (bitplane[bitplane_index] << 4) | v;
250 }
251 
vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)252 static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
253 {
254     const VC1Context *v = avctx->priv_data;
255     const MpegEncContext *s = &v->s;
256     VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
257     VAPictureParameterBufferVC1 pic_param;
258     int err;
259 
260     pic->output_surface = ff_vaapi_get_surface_id(s->current_picture_ptr->f);
261 
262     pic_param = (VAPictureParameterBufferVC1) {
263         .forward_reference_picture         = VA_INVALID_ID,
264         .backward_reference_picture        = VA_INVALID_ID,
265         .inloop_decoded_picture            = VA_INVALID_ID,
266         .sequence_fields.bits = {
267             .pulldown                      = v->broadcast,
268             .interlace                     = v->interlace,
269             .tfcntrflag                    = v->tfcntrflag,
270             .finterpflag                   = v->finterpflag,
271             .psf                           = v->psf,
272             .multires                      = v->multires,
273             .overlap                       = v->overlap,
274             .syncmarker                    = v->resync_marker,
275             .rangered                      = v->rangered,
276             .max_b_frames                  = s->avctx->max_b_frames,
277             .profile                       = v->profile,
278         },
279         .coded_width                       = s->avctx->coded_width,
280         .coded_height                      = s->avctx->coded_height,
281         .entrypoint_fields.bits = {
282             .broken_link                   = v->broken_link,
283             .closed_entry                  = v->closed_entry,
284             .panscan_flag                  = v->panscanflag,
285             .loopfilter                    = s->loop_filter,
286         },
287         .conditional_overlap_flag          = v->condover,
288         .fast_uvmc_flag                    = v->fastuvmc,
289         .range_mapping_fields.bits = {
290             .luma_flag                     = v->range_mapy_flag,
291             .luma                          = v->range_mapy,
292             .chroma_flag                   = v->range_mapuv_flag,
293             .chroma                        = v->range_mapuv,
294         },
295         .b_picture_fraction                = v->bfraction_lut_index,
296         .cbp_table                         = (v->fcm == PROGRESSIVE ? v->cbptab : v->icbptab),
297         .mb_mode_table                     = v->mbmodetab,
298         .range_reduction_frame             = v->rangeredfrm,
299         .rounding_control                  = v->rnd,
300         .post_processing                   = v->postproc,
301         .picture_resolution_index          = v->respic,
302         .picture_fields.bits = {
303             .picture_type                  = (v->fcm == ILACE_FIELD ? vc1_get_FPTYPE(v) : vc1_get_PTYPE(v)),
304             .frame_coding_mode             = v->fcm,
305             .top_field_first               = v->tff,
306             .is_first_field                = !v->second_field,
307             .intensity_compensation        = v->intcomp,
308         },
309         .luma_scale                        = vc1_get_LUMSCALE(v),
310         .luma_shift                        = vc1_get_LUMSHIFT(v),
311 #if VA_CHECK_VERSION(1, 1, 0)
312         .luma_scale2                       = vc1_get_LUMSCALE2(v),
313         .luma_shift2                       = vc1_get_LUMSHIFT2(v),
314         .intensity_compensation_field      = vc1_get_INTCOMPFIELD(v),
315 #endif
316         .raw_coding.flags = {
317             .mv_type_mb                    = v->mv_type_is_raw,
318             .direct_mb                     = v->dmb_is_raw,
319             .skip_mb                       = v->skip_is_raw,
320             .field_tx                      = v->fieldtx_is_raw,
321             .forward_mb                    = v->fmb_is_raw,
322             .ac_pred                       = v->acpred_is_raw,
323             .overflags                     = v->overflg_is_raw,
324         },
325         .bitplane_present.flags = {
326             .bp_mv_type_mb                 = vc1_has_MVTYPEMB_bitplane(v),
327             .bp_direct_mb                  = vc1_has_DIRECTMB_bitplane(v),
328             .bp_skip_mb                    = vc1_has_SKIPMB_bitplane(v),
329             .bp_field_tx                   = vc1_has_FIELDTX_bitplane(v),
330             .bp_forward_mb                 = vc1_has_FORWARDMB_bitplane(v),
331             .bp_ac_pred                    = vc1_has_ACPRED_bitplane(v),
332             .bp_overflags                  = vc1_has_OVERFLAGS_bitplane(v),
333         },
334         .reference_fields.bits = {
335             .reference_distance_flag       = v->refdist_flag,
336             .reference_distance            = v->refdist,
337             .num_reference_pictures        = v->numref,
338             .reference_field_pic_indicator = v->reffield,
339         },
340         .mv_fields.bits = {
341             .mv_mode                       = vc1_get_MVMODE(v),
342             .mv_mode2                      = vc1_get_MVMODE2(v),
343             .mv_table                      = (v->fcm == PROGRESSIVE ? s->mv_table_index : v->imvtab),
344             .two_mv_block_pattern_table    = v->twomvbptab,
345             .four_mv_switch                = v->fourmvswitch,
346             .four_mv_block_pattern_table   = v->fourmvbptab,
347             .extended_mv_flag              = v->extended_mv,
348             .extended_mv_range             = v->mvrange,
349             .extended_dmv_flag             = v->extended_dmv,
350             .extended_dmv_range            = v->dmvrange,
351         },
352         .pic_quantizer_fields.bits = {
353             .dquant                        = v->dquant,
354             .quantizer                     = v->quantizer_mode,
355             .half_qp                       = v->halfpq,
356             .pic_quantizer_scale           = v->pq,
357             .pic_quantizer_type            = v->pquantizer,
358             .dq_frame                      = v->dquantfrm,
359             .dq_profile                    = v->dqprofile,
360             .dq_sb_edge                    = v->dqprofile == DQPROFILE_SINGLE_EDGE  ? v->dqsbedge : 0,
361             .dq_db_edge                    = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0,
362             .dq_binary_level               = v->dqbilevel,
363             .alt_pic_quantizer             = v->altpq,
364         },
365         .transform_fields.bits = {
366             .variable_sized_transform_flag = v->vstransform,
367             .mb_level_transform_type_flag  = v->ttmbf,
368             .frame_level_transform_type    = vc1_get_TTFRM(v),
369             .transform_ac_codingset_idx1   = v->c_ac_table_index,
370             .transform_ac_codingset_idx2   = v->y_ac_table_index,
371             .intra_transform_dc_table      = v->s.dc_table_index,
372         },
373     };
374 
375     switch (s->pict_type) {
376     case AV_PICTURE_TYPE_B:
377         pic_param.backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
378         // fall-through
379     case AV_PICTURE_TYPE_P:
380         pic_param.forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
381         break;
382     }
383 
384     err = ff_vaapi_decode_make_param_buffer(avctx, pic,
385                                             VAPictureParameterBufferType,
386                                             &pic_param, sizeof(pic_param));
387     if (err)
388         goto fail;
389 
390     if (pic_param.bitplane_present.value & 0x7f) {
391         uint8_t *bitplane;
392         const uint8_t *ff_bp[3];
393         int x, y, n;
394         size_t size = (s->mb_width * s->mb_height + 1) / 2;
395 
396         bitplane = av_mallocz(size);
397         if (!bitplane) {
398             err = AVERROR(ENOMEM);
399             goto fail;
400         }
401 
402         switch (s->pict_type) {
403         case AV_PICTURE_TYPE_P:
404             ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb  ? v->direct_mb_plane    : NULL;
405             ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb    ? s->mbskip_table       : NULL;
406             ff_bp[2] = pic_param.bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane   : NULL;
407             break;
408         case AV_PICTURE_TYPE_B:
409             if (!v->bi_type) {
410                 ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb  ? v->direct_mb_plane  : NULL;
411                 ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb    ? s->mbskip_table     : NULL;
412                 ff_bp[2] = pic_param.bitplane_present.flags.bp_forward_mb ? v->forward_mb_plane : NULL;
413                 break;
414             }
415             /* fall-through (BI-type) */
416         case AV_PICTURE_TYPE_I:
417             ff_bp[0] = pic_param.bitplane_present.flags.bp_field_tx   ? v->fieldtx_plane      : NULL;
418             ff_bp[1] = pic_param.bitplane_present.flags.bp_ac_pred    ? v->acpred_plane       : NULL;
419             ff_bp[2] = pic_param.bitplane_present.flags.bp_overflags  ? v->over_flags_plane   : NULL;
420             break;
421         default:
422             ff_bp[0] = NULL;
423             ff_bp[1] = NULL;
424             ff_bp[2] = NULL;
425             break;
426         }
427 
428         n = 0;
429         for (y = 0; y < s->mb_height; y++)
430             for (x = 0; x < s->mb_width; x++, n++)
431                 vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride);
432         if (n & 1) /* move last nibble to the high order */
433             bitplane[n/2] <<= 4;
434 
435         err = ff_vaapi_decode_make_param_buffer(avctx, pic,
436                                                 VABitPlaneBufferType,
437                                                 bitplane, size);
438         av_free(bitplane);
439         if (err)
440             goto fail;
441     }
442     return 0;
443 
444 fail:
445     ff_vaapi_decode_cancel(avctx, pic);
446     return err;
447 }
448 
vaapi_vc1_end_frame(AVCodecContext *avctx)449 static int vaapi_vc1_end_frame(AVCodecContext *avctx)
450 {
451     VC1Context *v = avctx->priv_data;
452     MpegEncContext *s = &v->s;
453     VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
454     int ret;
455 
456     ret = ff_vaapi_decode_issue(avctx, pic);
457     if (ret < 0)
458         goto fail;
459 
460     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
461 
462 fail:
463     return ret;
464 }
465 
vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)466 static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
467 {
468     const VC1Context *v = avctx->priv_data;
469     const MpegEncContext *s = &v->s;
470     VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
471     VASliceParameterBufferVC1 slice_param;
472     int mb_height;
473     int err;
474 
475     /* Current bit buffer is beyond any marker for VC-1, so skip it */
476     if (avctx->codec_id == AV_CODEC_ID_VC1 && IS_MARKER(AV_RB32(buffer))) {
477         buffer += 4;
478         size -= 4;
479     }
480 
481     if (v->fcm == ILACE_FIELD)
482         mb_height = avctx->coded_height + 31 >> 5;
483     else
484         mb_height = avctx->coded_height + 15 >> 4;
485 
486     slice_param = (VASliceParameterBufferVC1) {
487         .slice_data_size         = size,
488         .slice_data_offset       = 0,
489         .slice_data_flag         = VA_SLICE_DATA_FLAG_ALL,
490         .macroblock_offset       = get_bits_count(&s->gb),
491         .slice_vertical_position = s->mb_y % mb_height,
492     };
493 
494     err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
495                                             &slice_param, sizeof(slice_param),
496                                             buffer, size);
497     if (err < 0) {
498         ff_vaapi_decode_cancel(avctx, pic);
499         return err;
500     }
501 
502     return 0;
503 }
504 
505 #if CONFIG_WMV3_VAAPI_HWACCEL
506 const AVHWAccel ff_wmv3_vaapi_hwaccel = {
507     .name                 = "wmv3_vaapi",
508     .type                 = AVMEDIA_TYPE_VIDEO,
509     .id                   = AV_CODEC_ID_WMV3,
510     .pix_fmt              = AV_PIX_FMT_VAAPI,
511     .start_frame          = &vaapi_vc1_start_frame,
512     .end_frame            = &vaapi_vc1_end_frame,
513     .decode_slice         = &vaapi_vc1_decode_slice,
514     .frame_priv_data_size = sizeof(VAAPIDecodePicture),
515     .init                 = &ff_vaapi_decode_init,
516     .uninit               = &ff_vaapi_decode_uninit,
517     .frame_params         = &ff_vaapi_common_frame_params,
518     .priv_data_size       = sizeof(VAAPIDecodeContext),
519     .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
520 };
521 #endif
522 
523 const AVHWAccel ff_vc1_vaapi_hwaccel = {
524     .name                 = "vc1_vaapi",
525     .type                 = AVMEDIA_TYPE_VIDEO,
526     .id                   = AV_CODEC_ID_VC1,
527     .pix_fmt              = AV_PIX_FMT_VAAPI,
528     .start_frame          = &vaapi_vc1_start_frame,
529     .end_frame            = &vaapi_vc1_end_frame,
530     .decode_slice         = &vaapi_vc1_decode_slice,
531     .frame_priv_data_size = sizeof(VAAPIDecodePicture),
532     .init                 = &ff_vaapi_decode_init,
533     .uninit               = &ff_vaapi_decode_uninit,
534     .frame_params         = &ff_vaapi_common_frame_params,
535     .priv_data_size       = sizeof(VAAPIDecodeContext),
536     .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
537 };
538