2 * VC-1 HW decode acceleration through VA API
4 * Copyright (C) 2008-2009 Splitted-Desktop Systems
6 * This file is part of FFmpeg.
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.
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.
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
25 #include "vaapi_decode.h"
29 /** Translate FFmpeg MV modes to VA API */
30 static int get_VAMvModeVC1(enum MVModes mv_mode)
33 case MV_PMODE_1MV_HPEL_BILIN: return VAMvMode1MvHalfPelBilinear;
34 case MV_PMODE_1MV: return VAMvMode1Mv;
35 case MV_PMODE_1MV_HPEL: return VAMvMode1MvHalfPel;
36 case MV_PMODE_MIXED_MV: return VAMvModeMixedMv;
37 case MV_PMODE_INTENSITY_COMP: return VAMvModeIntensityCompensation;
42 /** Check whether the MVTYPEMB bitplane is present */
43 static inline int vc1_has_MVTYPEMB_bitplane(const VC1Context *v)
45 if (v->mv_type_is_raw)
47 return v->fcm == PROGRESSIVE &&
48 (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
49 (v->mv_mode == MV_PMODE_MIXED_MV ||
50 (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
51 v->mv_mode2 == MV_PMODE_MIXED_MV));
54 /** Check whether the SKIPMB bitplane is present */
55 static inline int vc1_has_SKIPMB_bitplane(const VC1Context *v)
59 return (v->fcm == PROGRESSIVE || v->fcm == ILACE_FRAME) &&
60 ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) ||
61 (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type));
64 /** Check whether the DIRECTMB bitplane is present */
65 static inline int vc1_has_DIRECTMB_bitplane(const VC1Context *v)
69 return (v->fcm == PROGRESSIVE || v->fcm == ILACE_FRAME) &&
70 (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
73 /** Check whether the ACPRED bitplane is present */
74 static inline int vc1_has_ACPRED_bitplane(const VC1Context *v)
78 return v->profile == PROFILE_ADVANCED &&
79 (v->s.pict_type == AV_PICTURE_TYPE_I ||
80 (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
83 /** Check whether the OVERFLAGS bitplane is present */
84 static inline int vc1_has_OVERFLAGS_bitplane(const VC1Context *v)
86 if (v->overflg_is_raw)
88 return v->profile == PROFILE_ADVANCED &&
89 (v->s.pict_type == AV_PICTURE_TYPE_I ||
90 (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
91 (v->overlap && v->pq <= 8) &&
92 v->condover == CONDOVER_SELECT;
95 /** Check whether the FIELDTX bitplane is present */
96 static inline int vc1_has_FIELDTX_bitplane(const VC1Context *v)
98 if (v->fieldtx_is_raw)
100 return v->fcm == ILACE_FRAME &&
101 (v->s.pict_type == AV_PICTURE_TYPE_I ||
102 (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
105 /** Check whether the FORWARDMB bitplane is present */
106 static inline int vc1_has_FORWARDMB_bitplane(const VC1Context *v)
110 return v->fcm == ILACE_FIELD &&
111 (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
114 /** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */
115 static int vc1_get_PTYPE(const VC1Context *v)
117 const MpegEncContext *s = &v->s;
118 switch (s->pict_type) {
119 case AV_PICTURE_TYPE_I: return 0;
120 case AV_PICTURE_TYPE_P: return v->p_frame_skipped ? 4 : 1;
121 case AV_PICTURE_TYPE_B: return v->bi_type ? 3 : 2;
126 /** Reconstruct bitstream FPTYPE (9.1.1.42, index into Table-105) */
127 static int vc1_get_FPTYPE(const VC1Context *v)
129 const MpegEncContext *s = &v->s;
130 switch (s->pict_type) {
131 case AV_PICTURE_TYPE_I: return 0;
132 case AV_PICTURE_TYPE_P: return 3;
133 case AV_PICTURE_TYPE_B: return v->bi_type ? 7 : 4;
138 /** Reconstruct bitstream MVMODE (7.1.1.32) */
139 static inline VAMvModeVC1 vc1_get_MVMODE(const VC1Context *v)
141 if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) ||
142 (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type))
143 return get_VAMvModeVC1(v->mv_mode);
147 /** Reconstruct bitstream MVMODE2 (7.1.1.33) */
148 static inline VAMvModeVC1 vc1_get_MVMODE2(const VC1Context *v)
150 if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
151 v->mv_mode == MV_PMODE_INTENSITY_COMP)
152 return get_VAMvModeVC1(v->mv_mode2);
156 av_unused static inline int vc1_get_INTCOMPFIELD(const VC1Context *v)
158 if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
159 v->fcm == ILACE_FIELD &&
160 v->mv_mode == MV_PMODE_INTENSITY_COMP)
161 switch (v->intcompfield) {
169 static inline int vc1_get_LUMSCALE(const VC1Context *v)
171 if (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) {
172 if ((v->fcm == PROGRESSIVE && v->mv_mode == MV_PMODE_INTENSITY_COMP) ||
173 (v->fcm == ILACE_FRAME && v->intcomp))
175 else if (v->fcm == ILACE_FIELD && v->mv_mode == MV_PMODE_INTENSITY_COMP)
176 switch (v->intcompfield) {
177 case 1: return v->lumscale;
178 case 2: return v->lumscale2;
179 case 3: return v->lumscale;
185 static inline int vc1_get_LUMSHIFT(const VC1Context *v)
187 if (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) {
188 if ((v->fcm == PROGRESSIVE && v->mv_mode == MV_PMODE_INTENSITY_COMP) ||
189 (v->fcm == ILACE_FRAME && v->intcomp))
191 else if (v->fcm == ILACE_FIELD && v->mv_mode == MV_PMODE_INTENSITY_COMP)
192 switch (v->intcompfield) {
193 case 1: return v->lumshift;
194 case 2: return v->lumshift2;
195 case 3: return v->lumshift;
201 av_unused static inline int vc1_get_LUMSCALE2(const VC1Context *v)
203 if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
204 v->fcm == ILACE_FIELD &&
205 v->mv_mode == MV_PMODE_INTENSITY_COMP &&
206 v->intcompfield == 3)
211 av_unused static inline int vc1_get_LUMSHIFT2(const VC1Context *v)
213 if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
214 v->fcm == ILACE_FIELD &&
215 v->mv_mode == MV_PMODE_INTENSITY_COMP &&
216 v->intcompfield == 3)
221 /** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */
222 static inline int vc1_get_TTFRM(const VC1Context *v)
225 case TT_8X8: return 0;
226 case TT_8X4: return 1;
227 case TT_4X8: return 2;
228 case TT_4X4: return 3;
233 /** Pack FFmpeg bitplanes into a VABitPlaneBuffer element */
234 static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
236 const int bitplane_index = n / 2;
237 const int ff_bp_index = y * stride + x;
240 v = ff_bp[0][ff_bp_index];
242 v |= ff_bp[1][ff_bp_index] << 1;
244 v |= ff_bp[2][ff_bp_index] << 2;
245 bitplane[bitplane_index] = (bitplane[bitplane_index] << 4) | v;
248 static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
250 const VC1Context *v = avctx->priv_data;
251 const MpegEncContext *s = &v->s;
252 VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
253 VAPictureParameterBufferVC1 pic_param;
256 pic->output_surface = ff_vaapi_get_surface_id(s->current_picture_ptr->f);
258 pic_param = (VAPictureParameterBufferVC1) {
259 .forward_reference_picture = VA_INVALID_ID,
260 .backward_reference_picture = VA_INVALID_ID,
261 .inloop_decoded_picture = VA_INVALID_ID,
262 .sequence_fields.bits = {
263 .pulldown = v->broadcast,
264 .interlace = v->interlace,
265 .tfcntrflag = v->tfcntrflag,
266 .finterpflag = v->finterpflag,
268 .multires = v->multires,
269 .overlap = v->overlap,
270 .syncmarker = v->resync_marker,
271 .rangered = v->rangered,
272 .max_b_frames = s->avctx->max_b_frames,
273 .profile = v->profile,
275 .coded_width = s->avctx->coded_width,
276 .coded_height = s->avctx->coded_height,
277 .entrypoint_fields.bits = {
278 .broken_link = v->broken_link,
279 .closed_entry = v->closed_entry,
280 .panscan_flag = v->panscanflag,
281 .loopfilter = s->loop_filter,
283 .conditional_overlap_flag = v->condover,
284 .fast_uvmc_flag = v->fastuvmc,
285 .range_mapping_fields.bits = {
286 .luma_flag = v->range_mapy_flag,
287 .luma = v->range_mapy,
288 .chroma_flag = v->range_mapuv_flag,
289 .chroma = v->range_mapuv,
291 .b_picture_fraction = v->bfraction_lut_index,
292 .cbp_table = (v->fcm == PROGRESSIVE ? v->cbptab : v->icbptab),
293 .mb_mode_table = v->mbmodetab,
294 .range_reduction_frame = v->rangeredfrm,
295 .rounding_control = v->rnd,
296 .post_processing = v->postproc,
297 .picture_resolution_index = v->respic,
298 .picture_fields.bits = {
299 .picture_type = (v->fcm == ILACE_FIELD ? vc1_get_FPTYPE(v) : vc1_get_PTYPE(v)),
300 .frame_coding_mode = v->fcm,
301 .top_field_first = v->tff,
302 .is_first_field = !v->second_field,
303 .intensity_compensation = v->intcomp,
305 .luma_scale = vc1_get_LUMSCALE(v),
306 .luma_shift = vc1_get_LUMSHIFT(v),
307 #if VA_CHECK_VERSION(1, 1, 0)
308 .luma_scale2 = vc1_get_LUMSCALE2(v),
309 .luma_shift2 = vc1_get_LUMSHIFT2(v),
310 .intensity_compensation_field = vc1_get_INTCOMPFIELD(v),
312 .raw_coding.flags = {
313 .mv_type_mb = v->mv_type_is_raw,
314 .direct_mb = v->dmb_is_raw,
315 .skip_mb = v->skip_is_raw,
316 .field_tx = v->fieldtx_is_raw,
317 .forward_mb = v->fmb_is_raw,
318 .ac_pred = v->acpred_is_raw,
319 .overflags = v->overflg_is_raw,
321 .bitplane_present.flags = {
322 .bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v),
323 .bp_direct_mb = vc1_has_DIRECTMB_bitplane(v),
324 .bp_skip_mb = vc1_has_SKIPMB_bitplane(v),
325 .bp_field_tx = vc1_has_FIELDTX_bitplane(v),
326 .bp_forward_mb = vc1_has_FORWARDMB_bitplane(v),
327 .bp_ac_pred = vc1_has_ACPRED_bitplane(v),
328 .bp_overflags = vc1_has_OVERFLAGS_bitplane(v),
330 .reference_fields.bits = {
331 .reference_distance_flag = v->refdist_flag,
332 .reference_distance = v->refdist,
333 .num_reference_pictures = v->numref,
334 .reference_field_pic_indicator = v->reffield,
337 .mv_mode = vc1_get_MVMODE(v),
338 .mv_mode2 = vc1_get_MVMODE2(v),
339 .mv_table = (v->fcm == PROGRESSIVE ? s->mv_table_index : v->imvtab),
340 .two_mv_block_pattern_table = v->twomvbptab,
341 .four_mv_switch = v->fourmvswitch,
342 .four_mv_block_pattern_table = v->fourmvbptab,
343 .extended_mv_flag = v->extended_mv,
344 .extended_mv_range = v->mvrange,
345 .extended_dmv_flag = v->extended_dmv,
346 .extended_dmv_range = v->dmvrange,
348 .pic_quantizer_fields.bits = {
350 .quantizer = v->quantizer_mode,
351 .half_qp = v->halfpq,
352 .pic_quantizer_scale = v->pq,
353 .pic_quantizer_type = v->pquantizer,
354 .dq_frame = v->dquantfrm,
355 .dq_profile = v->dqprofile,
356 .dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0,
357 .dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0,
358 .dq_binary_level = v->dqbilevel,
359 .alt_pic_quantizer = v->altpq,
361 .transform_fields.bits = {
362 .variable_sized_transform_flag = v->vstransform,
363 .mb_level_transform_type_flag = v->ttmbf,
364 .frame_level_transform_type = vc1_get_TTFRM(v),
365 .transform_ac_codingset_idx1 = v->c_ac_table_index,
366 .transform_ac_codingset_idx2 = v->y_ac_table_index,
367 .intra_transform_dc_table = v->s.dc_table_index,
371 switch (s->pict_type) {
372 case AV_PICTURE_TYPE_B:
373 pic_param.backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
375 case AV_PICTURE_TYPE_P:
376 pic_param.forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
380 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
381 VAPictureParameterBufferType,
382 &pic_param, sizeof(pic_param));
386 if (pic_param.bitplane_present.value & 0x7f) {
388 const uint8_t *ff_bp[3];
390 size_t size = (s->mb_width * s->mb_height + 1) / 2;
392 bitplane = av_mallocz(size);
394 err = AVERROR(ENOMEM);
398 switch (s->pict_type) {
399 case AV_PICTURE_TYPE_P:
400 ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
401 ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
402 ff_bp[2] = pic_param.bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane : NULL;
404 case AV_PICTURE_TYPE_B:
406 ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
407 ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
408 ff_bp[2] = pic_param.bitplane_present.flags.bp_forward_mb ? v->forward_mb_plane : NULL;
411 /* fall-through (BI-type) */
412 case AV_PICTURE_TYPE_I:
413 ff_bp[0] = pic_param.bitplane_present.flags.bp_field_tx ? v->fieldtx_plane : NULL;
414 ff_bp[1] = pic_param.bitplane_present.flags.bp_ac_pred ? v->acpred_plane : NULL;
415 ff_bp[2] = pic_param.bitplane_present.flags.bp_overflags ? v->over_flags_plane : NULL;
425 for (y = 0; y < s->mb_height; y++)
426 for (x = 0; x < s->mb_width; x++, n++)
427 vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride);
428 if (n & 1) /* move last nibble to the high order */
431 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
432 VABitPlaneBufferType,
441 ff_vaapi_decode_cancel(avctx, pic);
445 static int vaapi_vc1_end_frame(AVCodecContext *avctx)
447 VC1Context *v = avctx->priv_data;
448 MpegEncContext *s = &v->s;
449 VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
452 ret = ff_vaapi_decode_issue(avctx, pic);
456 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
462 static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
464 const VC1Context *v = avctx->priv_data;
465 const MpegEncContext *s = &v->s;
466 VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
467 VASliceParameterBufferVC1 slice_param;
470 /* Current bit buffer is beyond any marker for VC-1, so skip it */
471 if (avctx->codec_id == AV_CODEC_ID_VC1 && IS_MARKER(AV_RB32(buffer))) {
476 slice_param = (VASliceParameterBufferVC1) {
477 .slice_data_size = size,
478 .slice_data_offset = 0,
479 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
480 .macroblock_offset = get_bits_count(&s->gb),
481 .slice_vertical_position = s->mb_y,
484 err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
485 &slice_param, sizeof(slice_param),
488 ff_vaapi_decode_cancel(avctx, pic);
495 #if CONFIG_WMV3_VAAPI_HWACCEL
496 const AVHWAccel ff_wmv3_vaapi_hwaccel = {
497 .name = "wmv3_vaapi",
498 .type = AVMEDIA_TYPE_VIDEO,
499 .id = AV_CODEC_ID_WMV3,
500 .pix_fmt = AV_PIX_FMT_VAAPI,
501 .start_frame = &vaapi_vc1_start_frame,
502 .end_frame = &vaapi_vc1_end_frame,
503 .decode_slice = &vaapi_vc1_decode_slice,
504 .frame_priv_data_size = sizeof(VAAPIDecodePicture),
505 .init = &ff_vaapi_decode_init,
506 .uninit = &ff_vaapi_decode_uninit,
507 .frame_params = &ff_vaapi_common_frame_params,
508 .priv_data_size = sizeof(VAAPIDecodeContext),
509 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
513 const AVHWAccel ff_vc1_vaapi_hwaccel = {
515 .type = AVMEDIA_TYPE_VIDEO,
516 .id = AV_CODEC_ID_VC1,
517 .pix_fmt = AV_PIX_FMT_VAAPI,
518 .start_frame = &vaapi_vc1_start_frame,
519 .end_frame = &vaapi_vc1_end_frame,
520 .decode_slice = &vaapi_vc1_decode_slice,
521 .frame_priv_data_size = sizeof(VAAPIDecodePicture),
522 .init = &ff_vaapi_decode_init,
523 .uninit = &ff_vaapi_decode_uninit,
524 .frame_params = &ff_vaapi_common_frame_params,
525 .priv_data_size = sizeof(VAAPIDecodeContext),
526 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,