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vaapi_vc1.c
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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 "hwaccel.h"
24 #include "internal.h"
25 #include "vaapi_decode.h"
26 #include "vc1.h"
27 #include "vc1data.h"
28 
29 /** Translate FFmpeg MV modes to VA API */
30 static int get_VAMvModeVC1(enum MVModes mv_mode)
31 {
32  switch (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;
38  }
39  return 0;
40 }
41 
42 /** Check whether the MVTYPEMB bitplane is present */
43 static inline int vc1_has_MVTYPEMB_bitplane(const VC1Context *v)
44 {
45  if (v->mv_type_is_raw)
46  return 0;
47  return v->s.pict_type == AV_PICTURE_TYPE_P &&
48  (v->mv_mode == MV_PMODE_MIXED_MV ||
51 }
52 
53 /** Check whether the SKIPMB bitplane is present */
54 static inline int vc1_has_SKIPMB_bitplane(const VC1Context *v)
55 {
56  if (v->skip_is_raw)
57  return 0;
58  return v->s.pict_type == AV_PICTURE_TYPE_P ||
59  (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
60 }
61 
62 /** Check whether the DIRECTMB bitplane is present */
63 static inline int vc1_has_DIRECTMB_bitplane(const VC1Context *v)
64 {
65  if (v->dmb_is_raw)
66  return 0;
67  return v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
68 }
69 
70 /** Check whether the ACPRED bitplane is present */
71 static inline int vc1_has_ACPRED_bitplane(const VC1Context *v)
72 {
73  if (v->acpred_is_raw)
74  return 0;
75  return v->profile == PROFILE_ADVANCED &&
76  (v->s.pict_type == AV_PICTURE_TYPE_I ||
77  (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
78 }
79 
80 /** Check whether the OVERFLAGS bitplane is present */
81 static inline int vc1_has_OVERFLAGS_bitplane(const VC1Context *v)
82 {
83  if (v->overflg_is_raw)
84  return 0;
85  return v->profile == PROFILE_ADVANCED &&
86  (v->s.pict_type == AV_PICTURE_TYPE_I ||
87  (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
88  (v->overlap && v->pq <= 8) &&
90 }
91 
92 /** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */
93 static int vc1_get_PTYPE(const VC1Context *v)
94 {
95  const MpegEncContext *s = &v->s;
96  switch (s->pict_type) {
97  case AV_PICTURE_TYPE_I: return 0;
98  case AV_PICTURE_TYPE_P: return v->p_frame_skipped ? 4 : 1;
99  case AV_PICTURE_TYPE_B: return v->bi_type ? 3 : 2;
100  }
101  return 0;
102 }
103 
104 /** Reconstruct bitstream MVMODE (7.1.1.32) */
105 static inline VAMvModeVC1 vc1_get_MVMODE(const VC1Context *v)
106 {
107  if (v->s.pict_type == AV_PICTURE_TYPE_P ||
108  (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type))
109  return get_VAMvModeVC1(v->mv_mode);
110  return 0;
111 }
112 
113 /** Reconstruct bitstream MVMODE2 (7.1.1.33) */
114 static inline VAMvModeVC1 vc1_get_MVMODE2(const VC1Context *v)
115 {
117  return get_VAMvModeVC1(v->mv_mode2);
118  return 0;
119 }
120 
121 /** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */
122 static inline int vc1_get_TTFRM(const VC1Context *v)
123 {
124  switch (v->ttfrm) {
125  case TT_8X8: return 0;
126  case TT_8X4: return 1;
127  case TT_4X8: return 2;
128  case TT_4X4: return 3;
129  }
130  return 0;
131 }
132 
133 /** Pack FFmpeg bitplanes into a VABitPlaneBuffer element */
134 static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
135 {
136  const int bitplane_index = n / 2;
137  const int ff_bp_index = y * stride + x;
138  uint8_t v = 0;
139  if (ff_bp[0])
140  v = ff_bp[0][ff_bp_index];
141  if (ff_bp[1])
142  v |= ff_bp[1][ff_bp_index] << 1;
143  if (ff_bp[2])
144  v |= ff_bp[2][ff_bp_index] << 2;
145  bitplane[bitplane_index] = (bitplane[bitplane_index] << 4) | v;
146 }
147 
149 {
150  const VC1Context *v = avctx->priv_data;
151  const MpegEncContext *s = &v->s;
153  VAPictureParameterBufferVC1 pic_param;
154  int err;
155 
157 
158  pic_param = (VAPictureParameterBufferVC1) {
159  .forward_reference_picture = VA_INVALID_ID,
160  .backward_reference_picture = VA_INVALID_ID,
161  .inloop_decoded_picture = VA_INVALID_ID,
162  .sequence_fields.bits = {
163  .pulldown = v->broadcast,
164  .interlace = v->interlace,
165  .tfcntrflag = v->tfcntrflag,
166  .finterpflag = v->finterpflag,
167  .psf = v->psf,
168  .multires = v->multires,
169  .overlap = v->overlap,
170  .syncmarker = v->resync_marker,
171  .rangered = v->rangered,
172  .max_b_frames = s->avctx->max_b_frames,
173  .profile = v->profile,
174  },
175  .coded_width = s->avctx->coded_width,
176  .coded_height = s->avctx->coded_height,
177  .entrypoint_fields.bits = {
178  .broken_link = v->broken_link,
179  .closed_entry = v->closed_entry,
180  .panscan_flag = v->panscanflag,
181  .loopfilter = s->loop_filter,
182  },
183  .conditional_overlap_flag = v->condover,
184  .fast_uvmc_flag = v->fastuvmc,
185  .range_mapping_fields.bits = {
186  .luma_flag = v->range_mapy_flag,
187  .luma = v->range_mapy,
188  .chroma_flag = v->range_mapuv_flag,
189  .chroma = v->range_mapuv,
190  },
191  .b_picture_fraction = v->bfraction_lut_index,
192  .cbp_table = v->cbpcy_vlc ? v->cbpcy_vlc - ff_vc1_cbpcy_p_vlc : 0,
193  .mb_mode_table = 0, /* XXX: interlaced frame */
194  .range_reduction_frame = v->rangeredfrm,
195  .rounding_control = v->rnd,
196  .post_processing = v->postproc,
197  .picture_resolution_index = v->respic,
198  .luma_scale = v->lumscale,
199  .luma_shift = v->lumshift,
200  .picture_fields.bits = {
201  .picture_type = vc1_get_PTYPE(v),
202  .frame_coding_mode = v->fcm,
203  .top_field_first = v->tff,
204  .is_first_field = v->fcm == 0, /* XXX: interlaced frame */
205  .intensity_compensation = v->mv_mode == MV_PMODE_INTENSITY_COMP,
206  },
207  .raw_coding.flags = {
208  .mv_type_mb = v->mv_type_is_raw,
209  .direct_mb = v->dmb_is_raw,
210  .skip_mb = v->skip_is_raw,
211  .field_tx = 0, /* XXX: interlaced frame */
212  .forward_mb = 0, /* XXX: interlaced frame */
213  .ac_pred = v->acpred_is_raw,
214  .overflags = v->overflg_is_raw,
215  },
216  .bitplane_present.flags = {
217  .bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v),
218  .bp_direct_mb = vc1_has_DIRECTMB_bitplane(v),
219  .bp_skip_mb = vc1_has_SKIPMB_bitplane(v),
220  .bp_field_tx = 0, /* XXX: interlaced frame */
221  .bp_forward_mb = 0, /* XXX: interlaced frame */
222  .bp_ac_pred = vc1_has_ACPRED_bitplane(v),
223  .bp_overflags = vc1_has_OVERFLAGS_bitplane(v),
224  },
225  .reference_fields.bits = {
226  .reference_distance_flag = v->refdist_flag,
227  .reference_distance = 0, /* XXX: interlaced frame */
228  .num_reference_pictures = 0, /* XXX: interlaced frame */
229  .reference_field_pic_indicator = 0, /* XXX: interlaced frame */
230  },
231  .mv_fields.bits = {
232  .mv_mode = vc1_get_MVMODE(v),
233  .mv_mode2 = vc1_get_MVMODE2(v),
234  .mv_table = s->mv_table_index,
235  .two_mv_block_pattern_table = 0, /* XXX: interlaced frame */
236  .four_mv_switch = 0, /* XXX: interlaced frame */
237  .four_mv_block_pattern_table = 0, /* XXX: interlaced frame */
238  .extended_mv_flag = v->extended_mv,
239  .extended_mv_range = v->mvrange,
240  .extended_dmv_flag = v->extended_dmv,
241  .extended_dmv_range = 0, /* XXX: interlaced frame */
242  },
243  .pic_quantizer_fields.bits = {
244  .dquant = v->dquant,
245  .quantizer = v->quantizer_mode,
246  .half_qp = v->halfpq,
247  .pic_quantizer_scale = v->pq,
248  .pic_quantizer_type = v->pquantizer,
249  .dq_frame = v->dquantfrm,
250  .dq_profile = v->dqprofile,
251  .dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0,
252  .dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0,
253  .dq_binary_level = v->dqbilevel,
254  .alt_pic_quantizer = v->altpq,
255  },
256  .transform_fields.bits = {
257  .variable_sized_transform_flag = v->vstransform,
258  .mb_level_transform_type_flag = v->ttmbf,
259  .frame_level_transform_type = vc1_get_TTFRM(v),
260  .transform_ac_codingset_idx1 = v->c_ac_table_index,
261  .transform_ac_codingset_idx2 = v->y_ac_table_index,
262  .intra_transform_dc_table = v->s.dc_table_index,
263  },
264  };
265 
266  switch (s->pict_type) {
267  case AV_PICTURE_TYPE_B:
268  pic_param.backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
269  // fall-through
270  case AV_PICTURE_TYPE_P:
271  pic_param.forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
272  break;
273  }
274 
275  err = ff_vaapi_decode_make_param_buffer(avctx, pic,
276  VAPictureParameterBufferType,
277  &pic_param, sizeof(pic_param));
278  if (err)
279  goto fail;
280 
281  if (pic_param.bitplane_present.value) {
282  uint8_t *bitplane;
283  const uint8_t *ff_bp[3];
284  int x, y, n;
285  size_t size = (s->mb_width * s->mb_height + 1) / 2;
286 
287  bitplane = av_mallocz(size);
288  if (!bitplane) {
289  err = AVERROR(ENOMEM);
290  goto fail;
291  }
292 
293  switch (s->pict_type) {
294  case AV_PICTURE_TYPE_P:
295  ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
296  ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
297  ff_bp[2] = pic_param.bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane : NULL;
298  break;
299  case AV_PICTURE_TYPE_B:
300  if (!v->bi_type) {
301  ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
302  ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
303  ff_bp[2] = NULL; /* XXX: interlaced frame (FORWARD plane) */
304  break;
305  }
306  /* fall-through (BI-type) */
307  case AV_PICTURE_TYPE_I:
308  ff_bp[0] = NULL; /* XXX: interlaced frame (FIELDTX plane) */
309  ff_bp[1] = pic_param.bitplane_present.flags.bp_ac_pred ? v->acpred_plane : NULL;
310  ff_bp[2] = pic_param.bitplane_present.flags.bp_overflags ? v->over_flags_plane : NULL;
311  break;
312  default:
313  ff_bp[0] = NULL;
314  ff_bp[1] = NULL;
315  ff_bp[2] = NULL;
316  break;
317  }
318 
319  n = 0;
320  for (y = 0; y < s->mb_height; y++)
321  for (x = 0; x < s->mb_width; x++, n++)
322  vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride);
323  if (n & 1) /* move last nibble to the high order */
324  bitplane[n/2] <<= 4;
325 
326  err = ff_vaapi_decode_make_param_buffer(avctx, pic,
327  VABitPlaneBufferType,
328  bitplane, size);
329  av_free(bitplane);
330  if (err)
331  goto fail;
332  }
333  return 0;
334 
335 fail:
336  ff_vaapi_decode_cancel(avctx, pic);
337  return err;
338 }
339 
341 {
342  VC1Context *v = avctx->priv_data;
343  MpegEncContext *s = &v->s;
345  int ret;
346 
347  ret = ff_vaapi_decode_issue(avctx, pic);
348  if (ret < 0)
349  goto fail;
350 
352 
353 fail:
354  return ret;
355 }
356 
357 static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
358 {
359  const VC1Context *v = avctx->priv_data;
360  const MpegEncContext *s = &v->s;
362  VASliceParameterBufferVC1 slice_param;
363  int err;
364 
365  /* Current bit buffer is beyond any marker for VC-1, so skip it */
366  if (avctx->codec_id == AV_CODEC_ID_VC1 && IS_MARKER(AV_RB32(buffer))) {
367  buffer += 4;
368  size -= 4;
369  }
370 
371  slice_param = (VASliceParameterBufferVC1) {
372  .slice_data_size = size,
373  .slice_data_offset = 0,
374  .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
375  .macroblock_offset = get_bits_count(&s->gb),
376  .slice_vertical_position = s->mb_y,
377  };
378 
379  err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
380  &slice_param, sizeof(slice_param),
381  buffer, size);
382  if (err < 0) {
383  ff_vaapi_decode_cancel(avctx, pic);
384  return err;
385  }
386 
387  return 0;
388 }
389 
390 #if CONFIG_WMV3_VAAPI_HWACCEL
391 AVHWAccel ff_wmv3_vaapi_hwaccel = {
392  .name = "wmv3_vaapi",
393  .type = AVMEDIA_TYPE_VIDEO,
394  .id = AV_CODEC_ID_WMV3,
395  .pix_fmt = AV_PIX_FMT_VAAPI,
396  .start_frame = &vaapi_vc1_start_frame,
397  .end_frame = &vaapi_vc1_end_frame,
398  .decode_slice = &vaapi_vc1_decode_slice,
399  .frame_priv_data_size = sizeof(VAAPIDecodePicture),
402  .priv_data_size = sizeof(VAAPIDecodeContext),
403  .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
404 };
405 #endif
406 
408  .name = "vc1_vaapi",
409  .type = AVMEDIA_TYPE_VIDEO,
410  .id = AV_CODEC_ID_VC1,
411  .pix_fmt = AV_PIX_FMT_VAAPI,
412  .start_frame = &vaapi_vc1_start_frame,
413  .end_frame = &vaapi_vc1_end_frame,
414  .decode_slice = &vaapi_vc1_decode_slice,
415  .frame_priv_data_size = sizeof(VAAPIDecodePicture),
418  .priv_data_size = sizeof(VAAPIDecodeContext),
419  .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
420 };
#define NULL
Definition: coverity.c:32
uint8_t bfraction_lut_index
Index for BFRACTION value (see Table 40, reproduced into ff_vc1_bfraction_lut[])
Definition: vc1.h:389
int p_frame_skipped
Definition: vc1.h:380
const char * s
Definition: avisynth_c.h:768
The VC1 Context.
Definition: vc1.h:173
static int vc1_get_PTYPE(const VC1Context *v)
Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35)
Definition: vaapi_vc1.c:93
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1948
int mv_type_is_raw
mv type mb plane is not coded
Definition: vc1.h:289
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx, VAAPIDecodePicture *pic, int type, const void *data, size_t size)
Definition: vaapi_decode.c:28
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
Definition: avcodec.h:2032
int extended_mv
Ext MV in P/B (not in Simple)
Definition: vc1.h:223
static VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
Definition: vaapi_decode.h:35
int broadcast
TFF/RFF present.
Definition: vc1.h:200
uint8_t rangeredfrm
Frame decoding info for S/M profiles only.
Definition: vc1.h:302
static int vc1_has_SKIPMB_bitplane(const VC1Context *v)
Check whether the SKIPMB bitplane is present.
Definition: vaapi_vc1.c:54
static int vc1_has_DIRECTMB_bitplane(const VC1Context *v)
Check whether the DIRECTMB bitplane is present.
Definition: vaapi_vc1.c:63
uint8_t dqprofile
Definition: vc1.h:246
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:222
MVModes
MV modes for P-frames.
Definition: vc1.h:78
int fastuvmc
Rounding of qpel vector to hpel ? (not in Simple)
Definition: vc1.h:222
uint8_t dqsbedge
Definition: vc1.h:247
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
Definition: mpegvideo.c:2734
uint8_t * acpred_plane
AC prediction flags bitplane.
Definition: vc1.h:321
VC-1 tables.
int bi_type
Definition: vc1.h:381
int ff_vaapi_decode_uninit(AVCodecContext *avctx)
Definition: vaapi_decode.c:603
uint8_t
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:279
static int vc1_has_OVERFLAGS_bitplane(const VC1Context *v)
Check whether the OVERFLAGS bitplane is present.
Definition: vaapi_vc1.c:81
int panscanflag
NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present.
Definition: vc1.h:203
int ff_vaapi_decode_issue(AVCodecContext *avctx, VAAPIDecodePicture *pic)
Definition: vaapi_decode.c:149
VLC ff_vc1_cbpcy_p_vlc[4]
Definition: vc1data.c:119
int interlace
Progressive/interlaced (RPTFTM syntax element)
Definition: vc1.h:201
int y_ac_table_index
Luma index from AC2FRM element.
Definition: vc1.h:255
int c_ac_table_index
AC coding set indexes.
Definition: vc1.h:254
int ttfrm
Transform type info present at frame level.
Definition: vc1.h:257
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:87
int profile
Sequence header data for all Profiles TODO: choose between ints, uint8_ts and monobit flags...
Definition: vc1.h:218
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:199
int refdist_flag
REFDIST syntax element present in II, IP, PI or PP field picture headers.
Definition: vc1.h:204
int mb_height
number of MBs horizontally & vertically
Definition: mpegvideo.h:126
ptrdiff_t size
Definition: opengl_enc.c:101
uint8_t * over_flags_plane
Overflags bitplane.
Definition: vc1.h:323
uint8_t dqbilevel
Definition: vc1.h:248
static int vc1_has_ACPRED_bitplane(const VC1Context *v)
Check whether the ACPRED bitplane is present.
Definition: vaapi_vc1.c:71
int psf
Progressive Segmented Frame.
Definition: vc1.h:211
uint8_t ttmbf
Transform type flag.
Definition: vc1.h:258
Definition: vc1.h:119
static int get_VAMvModeVC1(enum MVModes mv_mode)
Translate FFmpeg MV modes to VA API.
Definition: vaapi_vc1.c:30
int dmb_is_raw
direct mb plane is raw
Definition: vc1.h:290
int overlap
overlapped transforms in use
Definition: vc1.h:226
#define AVERROR(e)
Definition: error.h:43
static int vaapi_vc1_end_frame(AVCodecContext *avctx)
Definition: vaapi_vc1.c:340
#define IS_MARKER(state)
Definition: dca_parser.c:51
GetBitContext gb
Definition: mpegvideo.h:446
int resync_marker
could this stream contain resync markers
Definition: vc1.h:396
uint8_t broken_link
Broken link flag (BROKEN_LINK syntax element)
Definition: vc1.h:390
#define fail()
Definition: checkasm.h:98
static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: vaapi_vc1.c:357
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:3856
int ff_vaapi_decode_init(AVCodecContext *avctx)
Definition: vaapi_decode.c:471
int tfcntrflag
TFCNTR present.
Definition: vc1.h:202
uint8_t * mbskip_table
used to avoid copy if macroblock skipped (for black regions for example) and used for B-frame encodin...
Definition: mpegvideo.h:193
uint8_t mv_mode
Frame decoding info for all profiles.
Definition: vc1.h:233
Picture * current_picture_ptr
pointer to the current picture
Definition: mpegvideo.h:181
void * hwaccel_picture_private
Hardware accelerator private data.
Definition: mpegpicture.h:77
uint8_t lumscale
Luma compensation parameters.
Definition: vc1.h:269
uint8_t range_mapuv_flag
Definition: vc1.h:329
int n
Definition: avisynth_c.h:684
uint8_t closed_entry
Closed entry point flag (CLOSED_ENTRY syntax element)
Definition: vc1.h:391
static VAMvModeVC1 vc1_get_MVMODE(const VC1Context *v)
Reconstruct bitstream MVMODE (7.1.1.32)
Definition: vaapi_vc1.c:105
VLC * cbpcy_vlc
CBPCY VLC table.
Definition: vc1.h:284
VASurfaceID output_surface
Definition: vaapi_decode.h:45
int rangered
RANGEREDFRM (range reduction) syntax element present at frame level.
Definition: vc1.h:189
static VAMvModeVC1 vc1_get_MVMODE2(const VC1Context *v)
Reconstruct bitstream MVMODE2 (7.1.1.33)
Definition: vaapi_vc1.c:114
int finterpflag
INTERPFRM present.
Definition: vc1.h:228
enum AVCodecID codec_id
Definition: avcodec.h:1763
int multires
frame-level RESPIC syntax element present
Definition: vc1.h:186
main external API structure.
Definition: avcodec.h:1746
uint8_t range_mapy
Definition: vc1.h:330
int extended_dmv
Additional extended dmv range at P/B-frame-level.
Definition: vc1.h:205
int coded_height
Definition: avcodec.h:1948
Definition: vc1.h:115
struct AVFrame * f
Definition: mpegpicture.h:46
uint8_t respic
Frame-level flag for resized images.
Definition: vc1.h:274
int skip_is_raw
skip mb plane is not coded
Definition: vc1.h:292
int quantizer_mode
2 bits, quantizer mode used for sequence, see QUANT_*
Definition: vc1.h:227
static int vc1_has_MVTYPEMB_bitplane(const VC1Context *v)
Check whether the MVTYPEMB bitplane is present.
Definition: vaapi_vc1.c:43
uint8_t * direct_mb_plane
bitplane for "direct" MBs
Definition: vc1.h:287
uint8_t mvrange
Ranges:0 -> [-64n 63.f] x [-32, 31.f]1 -> [-128, 127.f] x [-64, 63.f]2 -> [-512, 511.f] x [-128, 127.f]3 -> [-1024, 1023.f] x [-256, 255.f].
Definition: vc1.h:282
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
Definition: mpegvideo.h:209
int ff_vaapi_decode_cancel(AVCodecContext *avctx, VAAPIDecodePicture *pic)
Definition: vaapi_decode.c:221
uint8_t * mv_type_mb_plane
bitplane for mv_type == (4MV)
Definition: vc1.h:286
int vstransform
variable-size [48]x[48] transform type + info
Definition: vc1.h:225
static void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
Pack FFmpeg bitplanes into a VABitPlaneBuffer element.
Definition: vaapi_vc1.c:134
uint8_t range_mapuv
Definition: vc1.h:331
uint8_t tff
Definition: vc1.h:311
MpegEncContext s
Definition: vc1.h:174
MpegEncContext.
Definition: mpegvideo.h:78
struct AVCodecContext * avctx
Definition: mpegvideo.h:95
uint8_t pq
Definition: vc1.h:238
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
common internal api header.
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
Definition: mpegvideo.h:127
enum FrameCodingMode fcm
Frame decoding info for Advanced profile.
Definition: vc1.h:308
Picture last_picture
copy of the previous picture structure.
Definition: mpegvideo.h:159
uint8_t dquantfrm
pquant parameters
Definition: vc1.h:245
uint8_t lumshift
Definition: vc1.h:270
Bi-dir predicted.
Definition: avutil.h:276
uint8_t postproc
Definition: vc1.h:317
uint8_t condover
Definition: vc1.h:325
#define HWACCEL_CAP_ASYNC_SAFE
Definition: hwaccel.h:22
void * priv_data
Definition: avcodec.h:1788
uint8_t pquantizer
Uniform (over sequence) quantizer in use.
Definition: vc1.h:283
#define av_free(p)
int rnd
rounding control
Definition: vc1.h:298
Definition: vc1.h:118
int acpred_is_raw
Definition: vc1.h:322
Picture next_picture
copy of the next picture structure.
Definition: mpegvideo.h:165
int overflg_is_raw
Definition: vc1.h:324
AVHWAccel ff_vc1_vaapi_hwaccel
Definition: vaapi_vc1.c:407
Definition: vc1.h:112
static int vc1_get_TTFRM(const VC1Context *v)
Reconstruct bitstream TTFRM (7.1.1.41, Table-53)
Definition: vaapi_vc1.c:122
uint8_t range_mapy_flag
Definition: vc1.h:328
int dquant
How qscale varies with MBs, 2 bits (not in Simple)
Definition: vc1.h:224
uint8_t mv_mode2
Secondary MV coding mode (B-frames)
Definition: vc1.h:234
static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
Definition: vaapi_vc1.c:148
int mv_table_index
Definition: mpegvideo.h:428
int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx, VAAPIDecodePicture *pic, const void *params_data, size_t params_size, const void *slice_data, size_t slice_size)
Definition: vaapi_decode.c:57
int dc_table_index
Definition: mpegvideo.h:431
uint8_t halfpq
Uniform quant over image and qp+.5.
Definition: vc1.h:273
Predicted.
Definition: avutil.h:275
GLuint buffer
Definition: opengl_enc.c:102
#define av_unused
Definition: attributes.h:125
uint8_t altpq
Current/alternate frame quantizer scale.
Definition: vc1.h:238