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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 "vaapi_internal.h"
24 #include "internal.h"
25 #include "vc1.h"
26 #include "vc1data.h"
27 
28 /** Translate FFmpeg MV modes to VA API */
29 static int get_VAMvModeVC1(enum MVModes mv_mode)
30 {
31  switch (mv_mode) {
32  case MV_PMODE_1MV_HPEL_BILIN: return VAMvMode1MvHalfPelBilinear;
33  case MV_PMODE_1MV: return VAMvMode1Mv;
34  case MV_PMODE_1MV_HPEL: return VAMvMode1MvHalfPel;
35  case MV_PMODE_MIXED_MV: return VAMvModeMixedMv;
36  case MV_PMODE_INTENSITY_COMP: return VAMvModeIntensityCompensation;
37  }
38  return 0;
39 }
40 
41 /** Check whether the MVTYPEMB bitplane is present */
43 {
44  if (v->mv_type_is_raw)
45  return 0;
46  return v->s.pict_type == AV_PICTURE_TYPE_P &&
47  (v->mv_mode == MV_PMODE_MIXED_MV ||
50 }
51 
52 /** Check whether the SKIPMB bitplane is present */
54 {
55  if (v->skip_is_raw)
56  return 0;
57  return v->s.pict_type == AV_PICTURE_TYPE_P ||
58  (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
59 }
60 
61 /** Check whether the DIRECTMB bitplane is present */
63 {
64  if (v->dmb_is_raw)
65  return 0;
66  return v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
67 }
68 
69 /** Check whether the ACPRED bitplane is present */
71 {
72  if (v->acpred_is_raw)
73  return 0;
74  return v->profile == PROFILE_ADVANCED &&
75  (v->s.pict_type == AV_PICTURE_TYPE_I ||
76  (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
77 }
78 
79 /** Check whether the OVERFLAGS bitplane is present */
81 {
82  if (v->overflg_is_raw)
83  return 0;
84  return v->profile == PROFILE_ADVANCED &&
85  (v->s.pict_type == AV_PICTURE_TYPE_I ||
86  (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
87  (v->overlap && v->pq <= 8) &&
89 }
90 
91 /** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */
93 {
94  MpegEncContext * const s = &v->s;
95  switch (s->pict_type) {
96  case AV_PICTURE_TYPE_I: return 0;
97  case AV_PICTURE_TYPE_P: return v->p_frame_skipped ? 4 : 1;
98  case AV_PICTURE_TYPE_B: return v->bi_type ? 3 : 2;
99  }
100  return 0;
101 }
102 
103 /** Reconstruct bitstream MVMODE (7.1.1.32) */
104 static inline VAMvModeVC1 vc1_get_MVMODE(VC1Context *v)
105 {
106  if (v->s.pict_type == AV_PICTURE_TYPE_P ||
107  (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type))
108  return get_VAMvModeVC1(v->mv_mode);
109  return 0;
110 }
111 
112 /** Reconstruct bitstream MVMODE2 (7.1.1.33) */
113 static inline VAMvModeVC1 vc1_get_MVMODE2(VC1Context *v)
114 {
116  return get_VAMvModeVC1(v->mv_mode2);
117  return 0;
118 }
119 
120 /** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */
121 static inline int vc1_get_TTFRM(VC1Context *v)
122 {
123  switch (v->ttfrm) {
124  case TT_8X8: return 0;
125  case TT_8X4: return 1;
126  case TT_4X8: return 2;
127  case TT_4X4: return 3;
128  }
129  return 0;
130 }
131 
132 /** Pack FFmpeg bitplanes into a VABitPlaneBuffer element */
133 static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
134 {
135  const int bitplane_index = n / 2;
136  const int ff_bp_index = y * stride + x;
137  uint8_t v = 0;
138  if (ff_bp[0])
139  v = ff_bp[0][ff_bp_index];
140  if (ff_bp[1])
141  v |= ff_bp[1][ff_bp_index] << 1;
142  if (ff_bp[2])
143  v |= ff_bp[2][ff_bp_index] << 2;
144  bitplane[bitplane_index] = (bitplane[bitplane_index] << 4) | v;
145 }
146 
148 {
149  VC1Context * const v = avctx->priv_data;
150  MpegEncContext * const s = &v->s;
151  struct vaapi_context * const vactx = avctx->hwaccel_context;
152  VAPictureParameterBufferVC1 *pic_param;
153 
154  ff_dlog(avctx, "vaapi_vc1_start_frame()\n");
155 
156  vactx->slice_param_size = sizeof(VASliceParameterBufferVC1);
157 
158  /* Fill in VAPictureParameterBufferVC1 */
159  pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferVC1));
160  if (!pic_param)
161  return -1;
162  pic_param->forward_reference_picture = VA_INVALID_ID;
163  pic_param->backward_reference_picture = VA_INVALID_ID;
164  pic_param->inloop_decoded_picture = VA_INVALID_ID;
165  pic_param->sequence_fields.value = 0; /* reset all bits */
166  pic_param->sequence_fields.bits.pulldown = v->broadcast;
167  pic_param->sequence_fields.bits.interlace = v->interlace;
168  pic_param->sequence_fields.bits.tfcntrflag = v->tfcntrflag;
169  pic_param->sequence_fields.bits.finterpflag = v->finterpflag;
170  pic_param->sequence_fields.bits.psf = v->psf;
171  pic_param->sequence_fields.bits.multires = v->multires;
172  pic_param->sequence_fields.bits.overlap = v->overlap;
173  pic_param->sequence_fields.bits.syncmarker = v->resync_marker;
174  pic_param->sequence_fields.bits.rangered = v->rangered;
175  pic_param->sequence_fields.bits.max_b_frames = s->avctx->max_b_frames;
176 #if VA_CHECK_VERSION(0,32,0)
177  pic_param->sequence_fields.bits.profile = v->profile;
178 #endif
179  pic_param->coded_width = s->avctx->coded_width;
180  pic_param->coded_height = s->avctx->coded_height;
181  pic_param->entrypoint_fields.value = 0; /* reset all bits */
182  pic_param->entrypoint_fields.bits.broken_link = v->broken_link;
183  pic_param->entrypoint_fields.bits.closed_entry = v->closed_entry;
184  pic_param->entrypoint_fields.bits.panscan_flag = v->panscanflag;
185  pic_param->entrypoint_fields.bits.loopfilter = s->loop_filter;
186  pic_param->conditional_overlap_flag = v->condover;
187  pic_param->fast_uvmc_flag = v->fastuvmc;
188  pic_param->range_mapping_fields.value = 0; /* reset all bits */
189  pic_param->range_mapping_fields.bits.luma_flag = v->range_mapy_flag;
190  pic_param->range_mapping_fields.bits.luma = v->range_mapy;
191  pic_param->range_mapping_fields.bits.chroma_flag = v->range_mapuv_flag;
192  pic_param->range_mapping_fields.bits.chroma = v->range_mapuv;
193  pic_param->b_picture_fraction = v->bfraction_lut_index;
194  pic_param->cbp_table = v->cbpcy_vlc ? v->cbpcy_vlc - ff_vc1_cbpcy_p_vlc : 0;
195  pic_param->mb_mode_table = 0; /* XXX: interlaced frame */
196  pic_param->range_reduction_frame = v->rangeredfrm;
197  pic_param->rounding_control = v->rnd;
198  pic_param->post_processing = v->postproc;
199  pic_param->picture_resolution_index = v->respic;
200  pic_param->luma_scale = v->lumscale;
201  pic_param->luma_shift = v->lumshift;
202  pic_param->picture_fields.value = 0; /* reset all bits */
203  pic_param->picture_fields.bits.picture_type = vc1_get_PTYPE(v);
204  pic_param->picture_fields.bits.frame_coding_mode = v->fcm;
205  pic_param->picture_fields.bits.top_field_first = v->tff;
206  pic_param->picture_fields.bits.is_first_field = v->fcm == 0; /* XXX: interlaced frame */
207  pic_param->picture_fields.bits.intensity_compensation = v->mv_mode == MV_PMODE_INTENSITY_COMP;
208  pic_param->raw_coding.value = 0; /* reset all bits */
209  pic_param->raw_coding.flags.mv_type_mb = v->mv_type_is_raw;
210  pic_param->raw_coding.flags.direct_mb = v->dmb_is_raw;
211  pic_param->raw_coding.flags.skip_mb = v->skip_is_raw;
212  pic_param->raw_coding.flags.field_tx = 0; /* XXX: interlaced frame */
213  pic_param->raw_coding.flags.forward_mb = 0; /* XXX: interlaced frame */
214  pic_param->raw_coding.flags.ac_pred = v->acpred_is_raw;
215  pic_param->raw_coding.flags.overflags = v->overflg_is_raw;
216  pic_param->bitplane_present.value = 0; /* reset all bits */
217  pic_param->bitplane_present.flags.bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v);
218  pic_param->bitplane_present.flags.bp_direct_mb = vc1_has_DIRECTMB_bitplane(v);
219  pic_param->bitplane_present.flags.bp_skip_mb = vc1_has_SKIPMB_bitplane(v);
220  pic_param->bitplane_present.flags.bp_field_tx = 0; /* XXX: interlaced frame */
221  pic_param->bitplane_present.flags.bp_forward_mb = 0; /* XXX: interlaced frame */
222  pic_param->bitplane_present.flags.bp_ac_pred = vc1_has_ACPRED_bitplane(v);
223  pic_param->bitplane_present.flags.bp_overflags = vc1_has_OVERFLAGS_bitplane(v);
224  pic_param->reference_fields.value = 0; /* reset all bits */
225  pic_param->reference_fields.bits.reference_distance_flag = v->refdist_flag;
226  pic_param->reference_fields.bits.reference_distance = 0; /* XXX: interlaced frame */
227  pic_param->reference_fields.bits.num_reference_pictures = 0; /* XXX: interlaced frame */
228  pic_param->reference_fields.bits.reference_field_pic_indicator = 0; /* XXX: interlaced frame */
229  pic_param->mv_fields.value = 0; /* reset all bits */
230  pic_param->mv_fields.bits.mv_mode = vc1_get_MVMODE(v);
231  pic_param->mv_fields.bits.mv_mode2 = vc1_get_MVMODE2(v);
232  pic_param->mv_fields.bits.mv_table = s->mv_table_index;
233  pic_param->mv_fields.bits.two_mv_block_pattern_table = 0; /* XXX: interlaced frame */
234  pic_param->mv_fields.bits.four_mv_switch = 0; /* XXX: interlaced frame */
235  pic_param->mv_fields.bits.four_mv_block_pattern_table = 0; /* XXX: interlaced frame */
236  pic_param->mv_fields.bits.extended_mv_flag = v->extended_mv;
237  pic_param->mv_fields.bits.extended_mv_range = v->mvrange;
238  pic_param->mv_fields.bits.extended_dmv_flag = v->extended_dmv;
239  pic_param->mv_fields.bits.extended_dmv_range = 0; /* XXX: interlaced frame */
240  pic_param->pic_quantizer_fields.value = 0; /* reset all bits */
241  pic_param->pic_quantizer_fields.bits.dquant = v->dquant;
242  pic_param->pic_quantizer_fields.bits.quantizer = v->quantizer_mode;
243  pic_param->pic_quantizer_fields.bits.half_qp = v->halfpq;
244  pic_param->pic_quantizer_fields.bits.pic_quantizer_scale = v->pq;
245  pic_param->pic_quantizer_fields.bits.pic_quantizer_type = v->pquantizer;
246  pic_param->pic_quantizer_fields.bits.dq_frame = v->dquantfrm;
247  pic_param->pic_quantizer_fields.bits.dq_profile = v->dqprofile;
248  pic_param->pic_quantizer_fields.bits.dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0;
249  pic_param->pic_quantizer_fields.bits.dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0;
250  pic_param->pic_quantizer_fields.bits.dq_binary_level = v->dqbilevel;
251  pic_param->pic_quantizer_fields.bits.alt_pic_quantizer = v->altpq;
252  pic_param->transform_fields.value = 0; /* reset all bits */
253  pic_param->transform_fields.bits.variable_sized_transform_flag = v->vstransform;
254  pic_param->transform_fields.bits.mb_level_transform_type_flag = v->ttmbf;
255  pic_param->transform_fields.bits.frame_level_transform_type = vc1_get_TTFRM(v);
256  pic_param->transform_fields.bits.transform_ac_codingset_idx1 = v->c_ac_table_index;
257  pic_param->transform_fields.bits.transform_ac_codingset_idx2 = v->y_ac_table_index;
258  pic_param->transform_fields.bits.intra_transform_dc_table = v->s.dc_table_index;
259 
260  switch (s->pict_type) {
261  case AV_PICTURE_TYPE_B:
262  pic_param->backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
263  // fall-through
264  case AV_PICTURE_TYPE_P:
265  pic_param->forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
266  break;
267  }
268 
269  if (pic_param->bitplane_present.value) {
270  uint8_t *bitplane;
271  const uint8_t *ff_bp[3];
272  int x, y, n;
273 
274  switch (s->pict_type) {
275  case AV_PICTURE_TYPE_P:
276  ff_bp[0] = pic_param->bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
277  ff_bp[1] = pic_param->bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
278  ff_bp[2] = pic_param->bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane : NULL;
279  break;
280  case AV_PICTURE_TYPE_B:
281  if (!v->bi_type) {
282  ff_bp[0] = pic_param->bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
283  ff_bp[1] = pic_param->bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
284  ff_bp[2] = NULL; /* XXX: interlaced frame (FORWARD plane) */
285  break;
286  }
287  /* fall-through (BI-type) */
288  case AV_PICTURE_TYPE_I:
289  ff_bp[0] = NULL; /* XXX: interlaced frame (FIELDTX plane) */
290  ff_bp[1] = pic_param->bitplane_present.flags.bp_ac_pred ? v->acpred_plane : NULL;
291  ff_bp[2] = pic_param->bitplane_present.flags.bp_overflags ? v->over_flags_plane : NULL;
292  break;
293  default:
294  ff_bp[0] = NULL;
295  ff_bp[1] = NULL;
296  ff_bp[2] = NULL;
297  break;
298  }
299 
300  bitplane = ff_vaapi_alloc_bitplane(vactx, (s->mb_width * s->mb_height + 1) / 2);
301  if (!bitplane)
302  return -1;
303 
304  n = 0;
305  for (y = 0; y < s->mb_height; y++)
306  for (x = 0; x < s->mb_width; x++, n++)
307  vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride);
308  if (n & 1) /* move last nibble to the high order */
309  bitplane[n/2] <<= 4;
310  }
311  return 0;
312 }
313 
314 static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
315 {
316  VC1Context * const v = avctx->priv_data;
317  MpegEncContext * const s = &v->s;
318  VASliceParameterBufferVC1 *slice_param;
319 
320  ff_dlog(avctx, "vaapi_vc1_decode_slice(): buffer %p, size %d\n", buffer, size);
321 
322  /* Current bit buffer is beyond any marker for VC-1, so skip it */
323  if (avctx->codec_id == AV_CODEC_ID_VC1 && IS_MARKER(AV_RB32(buffer))) {
324  buffer += 4;
325  size -= 4;
326  }
327 
328  /* Fill in VASliceParameterBufferVC1 */
329  slice_param = (VASliceParameterBufferVC1 *)ff_vaapi_alloc_slice(avctx->hwaccel_context, buffer, size);
330  if (!slice_param)
331  return -1;
332  slice_param->macroblock_offset = get_bits_count(&s->gb);
333  slice_param->slice_vertical_position = s->mb_y;
334  return 0;
335 }
336 
337 #if CONFIG_WMV3_VAAPI_HWACCEL
338 AVHWAccel ff_wmv3_vaapi_hwaccel = {
339  .name = "wmv3_vaapi",
340  .type = AVMEDIA_TYPE_VIDEO,
341  .id = AV_CODEC_ID_WMV3,
342  .pix_fmt = AV_PIX_FMT_VAAPI_VLD,
343  .start_frame = vaapi_vc1_start_frame,
344  .end_frame = ff_vaapi_mpeg_end_frame,
345  .decode_slice = vaapi_vc1_decode_slice,
346 };
347 #endif
348 
350  .name = "vc1_vaapi",
351  .type = AVMEDIA_TYPE_VIDEO,
352  .id = AV_CODEC_ID_VC1,
353  .pix_fmt = AV_PIX_FMT_VAAPI_VLD,
354  .start_frame = vaapi_vc1_start_frame,
355  .end_frame = ff_vaapi_mpeg_end_frame,
356  .decode_slice = vaapi_vc1_decode_slice,
357 };
#define NULL
Definition: coverity.c:32
float v
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:631
The VC1 Context.
Definition: vc1.h:173
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1445
int mv_type_is_raw
mv type mb plane is not coded
Definition: vc1.h:289
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:1530
int extended_mv
Ext MV in P/B (not in Simple)
Definition: vc1.h:223
int broadcast
TFF/RFF present.
Definition: vc1.h:200
uint8_t rangeredfrm
Frame decoding info for S/M profiles only.
Definition: vc1.h:302
HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the b...
Definition: pixfmt.h:126
uint8_t dqprofile
Definition: vc1.h:246
This structure is used to share data between the FFmpeg library and the client video application...
Definition: vaapi.h:50
static int vc1_has_ACPRED_bitplane(VC1Context *v)
Check whether the ACPRED bitplane is present.
Definition: vaapi_vc1.c:70
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
static int vc1_get_PTYPE(VC1Context *v)
Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35)
Definition: vaapi_vc1.c:92
uint8_t * acpred_plane
AC prediction flags bitplane.
Definition: vc1.h:321
VC-1 tables.
int bi_type
Definition: vc1.h:381
uint8_t
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:2683
int panscanflag
NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present.
Definition: vc1.h:203
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:85
int profile
Sequence header data for all Profiles TODO: choose between ints, uint8_ts and monobit flags...
Definition: vc1.h:218
static int vc1_has_DIRECTMB_bitplane(VC1Context *v)
Check whether the DIRECTMB bitplane is present.
Definition: vaapi_vc1.c:62
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:212
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:135
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
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:29
int dmb_is_raw
direct mb plane is raw
Definition: vc1.h:290
int overlap
overlapped transforms in use
Definition: vc1.h:226
void * ff_vaapi_alloc_pic_param(struct vaapi_context *vactx, unsigned int size)
Allocate a new picture parameter buffer.
Definition: vaapi.c:136
static int vc1_has_OVERFLAGS_bitplane(VC1Context *v)
Check whether the OVERFLAGS bitplane is present.
Definition: vaapi_vc1.c:80
#define IS_MARKER(state)
Definition: dca_parser.c:45
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
static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: vaapi_vc1.c:314
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:3320
static int vc1_has_SKIPMB_bitplane(VC1Context *v)
Check whether the SKIPMB bitplane is present.
Definition: vaapi_vc1.c:53
float y
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:202
uint8_t mv_mode
Frame decoding info for all profiles.
Definition: vc1.h:233
static VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
Extract VASurfaceID from an AVFrame.
static int vc1_get_TTFRM(VC1Context *v)
Reconstruct bitstream TTFRM (7.1.1.41, Table-53)
Definition: vaapi_vc1.c:121
unsigned int slice_param_size
Size of a VASliceParameterBuffer element.
Definition: vaapi.h:137
uint8_t lumscale
Luma compensation parameters.
Definition: vc1.h:269
static VAMvModeVC1 vc1_get_MVMODE2(VC1Context *v)
Reconstruct bitstream MVMODE2 (7.1.1.33)
Definition: vaapi_vc1.c:113
uint8_t range_mapuv_flag
Definition: vc1.h:329
int n
Definition: avisynth_c.h:547
uint8_t closed_entry
Closed entry point flag (CLOSED_ENTRY syntax element)
Definition: vc1.h:391
static VAMvModeVC1 vc1_get_MVMODE(VC1Context *v)
Reconstruct bitstream MVMODE (7.1.1.32)
Definition: vaapi_vc1.c:104
VLC * cbpcy_vlc
CBPCY VLC table.
Definition: vc1.h:284
int rangered
RANGEREDFRM (range reduction) syntax element present at frame level.
Definition: vc1.h:189
int finterpflag
INTERPFRM present.
Definition: vc1.h:228
#define ff_dlog(ctx,...)
Definition: internal.h:54
enum AVCodecID codec_id
Definition: avcodec.h:1269
static int vc1_has_MVTYPEMB_bitplane(VC1Context *v)
Check whether the MVTYPEMB bitplane is present.
Definition: vaapi_vc1.c:42
int multires
frame-level RESPIC syntax element present
Definition: vc1.h:186
main external API structure.
Definition: avcodec.h:1252
uint8_t range_mapy
Definition: vc1.h:330
VASliceParameterBufferBase * ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size)
Allocate a new slice descriptor for the input slice.
Definition: vaapi.c:151
int extended_dmv
Additional extended dmv range at P/B frame-level.
Definition: vc1.h:205
int coded_height
Definition: avcodec.h:1445
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
2bits, quantizer mode used for sequence, see QUANT_*
Definition: vc1.h:227
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:218
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:133
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:87
struct AVCodecContext * avctx
Definition: mpegvideo.h:104
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:136
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:168
uint8_t dquantfrm
pquant parameters
Definition: vc1.h:245
uint8_t lumshift
Definition: vc1.h:270
Bi-dir predicted.
Definition: avutil.h:269
uint8_t postproc
Definition: vc1.h:317
uint8_t condover
Definition: vc1.h:325
void * priv_data
Definition: avcodec.h:1294
uint8_t pquantizer
Uniform (over sequence) quantizer in use.
Definition: vc1.h:283
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:174
uint8_t * ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size)
Allocate a new bit-plane buffer.
Definition: vaapi.c:146
int overflg_is_raw
Definition: vc1.h:324
AVHWAccel ff_vc1_vaapi_hwaccel
Definition: vaapi_vc1.c:349
Definition: vc1.h:112
uint8_t range_mapy_flag
Definition: vc1.h:328
int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx)
int dquant
How qscale varies with MBs, 2bits (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:147
int mv_table_index
Definition: mpegvideo.h:428
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:268
GLuint buffer
Definition: opengl_enc.c:102
#define av_unused
Definition: attributes.h:118
uint8_t altpq
Current/alternate frame quantizer scale.
Definition: vc1.h:238