configure: Drop bogus xcb_event variables
[libav.git] / libavcodec / dxva2_vc1.c
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1/*
2 * DXVA2 WMV3/VC-1 HW acceleration.
3 *
4 * copyright (c) 2010 Laurent Aimar
5 *
2912e87a 6 * This file is part of Libav.
f0f86627 7 *
2912e87a 8 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 13 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 19 * License along with Libav; if not, write to the Free Software
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20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
e0c16e4e 23#include "mpegutils.h"
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24#include "vc1.h"
25#include "vc1data.h"
26
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27// The headers above may include w32threads.h, which uses the original
28// _WIN32_WINNT define, while dxva2_internal.h redefines it to target a
29// potentially newer version.
30#include "dxva2_internal.h"
31
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32struct dxva2_picture_context {
33 DXVA_PictureParameters pp;
34 DXVA_SliceInfo si;
35
36 const uint8_t *bitstream;
37 unsigned bitstream_size;
38};
39
40static void fill_picture_parameters(AVCodecContext *avctx,
d8039ef8 41 AVDXVAContext *ctx, const VC1Context *v,
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42 DXVA_PictureParameters *pp)
43{
44 const MpegEncContext *s = &v->s;
45 const Picture *current_picture = s->current_picture_ptr;
46
47 memset(pp, 0, sizeof(*pp));
48 pp->wDecodedPictureIndex =
d8039ef8 49 pp->wDeblockedPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, current_picture->f);
b2b0aa70 50 if (s->pict_type != AV_PICTURE_TYPE_I && !v->bi_type)
d8039ef8 51 pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->last_picture.f);
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52 else
53 pp->wForwardRefPictureIndex = 0xffff;
b2b0aa70 54 if (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type)
d8039ef8 55 pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->next_picture.f);
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56 else
57 pp->wBackwardRefPictureIndex = 0xffff;
58 if (v->profile == PROFILE_ADVANCED) {
59 /* It is the cropped width/height -1 of the frame */
60 pp->wPicWidthInMBminus1 = avctx->width - 1;
61 pp->wPicHeightInMBminus1= avctx->height - 1;
62 } else {
63 /* It is the coded width/height in macroblock -1 of the frame */
64 pp->wPicWidthInMBminus1 = s->mb_width - 1;
65 pp->wPicHeightInMBminus1= s->mb_height - 1;
66 }
67 pp->bMacroblockWidthMinus1 = 15;
68 pp->bMacroblockHeightMinus1 = 15;
69 pp->bBlockWidthMinus1 = 7;
70 pp->bBlockHeightMinus1 = 7;
71 pp->bBPPminus1 = 7;
72 if (s->picture_structure & PICT_TOP_FIELD)
73 pp->bPicStructure |= 0x01;
74 if (s->picture_structure & PICT_BOTTOM_FIELD)
75 pp->bPicStructure |= 0x02;
1f948745 76 pp->bSecondField = v->interlace && v->fcm != ILACE_FIELD && !s->first_field;
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77 pp->bPicIntra = s->pict_type == AV_PICTURE_TYPE_I || v->bi_type;
78 pp->bPicBackwardPrediction = s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
f0f86627 79 pp->bBidirectionalAveragingMode = (1 << 7) |
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80 ((DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) != 0) << 6) |
81 ((DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) != 0) << 5) |
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82 ((v->lumscale != 32 || v->lumshift != 0) << 4) |
83 ((v->profile == PROFILE_ADVANCED) << 3);
84 pp->bMVprecisionAndChromaRelation = ((v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) << 3) |
85 (1 << 2) |
86 (0 << 1) |
87 (!s->quarter_sample );
88 pp->bChromaFormat = v->chromaformat;
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89 DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
90 if (DXVA_CONTEXT_REPORT_ID(avctx, ctx) >= (1 << 16))
91 DXVA_CONTEXT_REPORT_ID(avctx, ctx) = 1;
92 pp->bPicScanFixed = DXVA_CONTEXT_REPORT_ID(avctx, ctx) >> 8;
93 pp->bPicScanMethod = DXVA_CONTEXT_REPORT_ID(avctx, ctx) & 0xff;
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94 pp->bPicReadbackRequests = 0;
95 pp->bRcontrol = v->rnd;
96 pp->bPicSpatialResid8 = (v->panscanflag << 7) |
97 (v->refdist_flag << 6) |
98 (s->loop_filter << 5) |
99 (v->fastuvmc << 4) |
100 (v->extended_mv << 3) |
101 (v->dquant << 1) |
102 (v->vstransform );
103 pp->bPicOverflowBlocks = (v->quantizer_mode << 6) |
104 (v->multires << 5) |
c2f7417e 105 (v->resync_marker << 4) |
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106 (v->rangered << 3) |
107 (s->max_b_frames );
1f948745 108 pp->bPicExtrapolation = (!v->interlace || v->fcm == PROGRESSIVE) ? 1 : 2;
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109 pp->bPicDeblocked = ((!pp->bPicBackwardPrediction && v->overlap) << 6) |
110 ((v->profile != PROFILE_ADVANCED && v->rangeredfrm) << 5) |
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111 (s->loop_filter << 1);
112 pp->bPicDeblockConfined = (v->postprocflag << 7) |
113 (v->broadcast << 6) |
114 (v->interlace << 5) |
115 (v->tfcntrflag << 4) |
116 (v->finterpflag << 3) |
975a1447 117 ((s->pict_type != AV_PICTURE_TYPE_B) << 2) |
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118 (v->psf << 1) |
119 (v->extended_dmv );
975a1447 120 if (s->pict_type != AV_PICTURE_TYPE_I)
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121 pp->bPic4MVallowed = v->mv_mode == MV_PMODE_MIXED_MV ||
122 (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
123 v->mv_mode2 == MV_PMODE_MIXED_MV);
124 if (v->profile == PROFILE_ADVANCED)
125 pp->bPicOBMC = (v->range_mapy_flag << 7) |
126 (v->range_mapy << 4) |
127 (v->range_mapuv_flag << 3) |
128 (v->range_mapuv );
129 pp->bPicBinPB = 0;
130 pp->bMV_RPS = 0;
131 pp->bReservedBits = 0;
132 if (s->picture_structure == PICT_FRAME) {
133 pp->wBitstreamFcodes = v->lumscale;
134 pp->wBitstreamPCEelements = v->lumshift;
135 } else {
136 /* Syntax: (top_field_param << 8) | bottom_field_param */
137 pp->wBitstreamFcodes = (v->lumscale << 8) | v->lumscale;
138 pp->wBitstreamPCEelements = (v->lumshift << 8) | v->lumshift;
139 }
140 pp->bBitstreamConcealmentNeed = 0;
141 pp->bBitstreamConcealmentMethod = 0;
142}
143
144static void fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice,
145 unsigned position, unsigned size)
146{
147 const VC1Context *v = avctx->priv_data;
148 const MpegEncContext *s = &v->s;
149
150 memset(slice, 0, sizeof(*slice));
151 slice->wHorizontalPosition = 0;
152 slice->wVerticalPosition = s->mb_y;
153 slice->dwSliceBitsInBuffer = 8 * size;
154 slice->dwSliceDataLocation = position;
155 slice->bStartCodeBitOffset = 0;
156 slice->bReservedBits = 0;
157 slice->wMBbitOffset = get_bits_count(&s->gb);
158 slice->wNumberMBsInSlice = s->mb_width * s->mb_height; /* XXX We assume 1 slice */
159 slice->wQuantizerScaleCode = v->pq;
160 slice->wBadSliceChopping = 0;
161}
162
163static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
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164 DECODER_BUFFER_DESC *bs,
165 DECODER_BUFFER_DESC *sc)
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166{
167 const VC1Context *v = avctx->priv_data;
d8039ef8 168 AVDXVAContext *ctx = avctx->hwaccel_context;
f0f86627 169 const MpegEncContext *s = &v->s;
ad0c9f2d 170 struct dxva2_picture_context *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
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171
172 DXVA_SliceInfo *slice = &ctx_pic->si;
173
174 static const uint8_t start_code[] = { 0, 0, 1, 0x0d };
36ef5369 175 const unsigned start_code_size = avctx->codec_id == AV_CODEC_ID_VC1 ? sizeof(start_code) : 0;
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176 const unsigned slice_size = slice->dwSliceBitsInBuffer / 8;
177 const unsigned padding = 128 - ((start_code_size + slice_size) & 127);
178 const unsigned data_size = start_code_size + slice_size + padding;
179
4600a85e 180 void *dxva_data_ptr;
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181 uint8_t *dxva_data;
182 unsigned dxva_size;
183 int result;
d8039ef8 184 unsigned type;
f0f86627 185
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186#if CONFIG_D3D11VA
187 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
188 type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
189 if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
190 D3D11VA_CONTEXT(ctx)->decoder,
191 type,
192 &dxva_size, &dxva_data_ptr)))
193 return -1;
194 }
195#endif
196#if CONFIG_DXVA2
197 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
198 type = DXVA2_BitStreamDateBufferType;
199 if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
200 type,
201 &dxva_data_ptr, &dxva_size)))
202 return -1;
203 }
204#endif
f0f86627 205
4600a85e 206 dxva_data = dxva_data_ptr;
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207 result = data_size <= dxva_size ? 0 : -1;
208 if (!result) {
209 if (start_code_size > 0)
210 memcpy(dxva_data, start_code, start_code_size);
211 memcpy(dxva_data + start_code_size,
212 ctx_pic->bitstream + slice->dwSliceDataLocation, slice_size);
213 if (padding > 0)
214 memset(dxva_data + start_code_size + slice_size, 0, padding);
215 slice->dwSliceBitsInBuffer = 8 * data_size;
216 }
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217#if CONFIG_D3D11VA
218 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
219 if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
220 return -1;
221#endif
222#if CONFIG_DXVA2
223 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
224 if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
225 return -1;
226#endif
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227 if (result)
228 return result;
229
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230#if CONFIG_D3D11VA
231 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
232 D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
233 memset(dsc11, 0, sizeof(*dsc11));
234 dsc11->BufferType = type;
235 dsc11->DataSize = data_size;
236 dsc11->NumMBsInBuffer = s->mb_width * s->mb_height;
237
238 type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
239 }
240#endif
241#if CONFIG_DXVA2
242 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
243 DXVA2_DecodeBufferDesc *dsc2 = bs;
244 memset(dsc2, 0, sizeof(*dsc2));
245 dsc2->CompressedBufferType = type;
246 dsc2->DataSize = data_size;
247 dsc2->NumMBsInBuffer = s->mb_width * s->mb_height;
248
249 type = DXVA2_SliceControlBufferType;
250 }
251#endif
252 assert((data_size & 127) == 0);
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253
254 return ff_dxva2_commit_buffer(avctx, ctx, sc,
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255 type,
256 slice, sizeof(*slice), s->mb_width * s->mb_height);
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257}
258
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259static int dxva2_vc1_start_frame(AVCodecContext *avctx,
260 av_unused const uint8_t *buffer,
261 av_unused uint32_t size)
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262{
263 const VC1Context *v = avctx->priv_data;
d8039ef8 264 AVDXVAContext *ctx = avctx->hwaccel_context;
ad0c9f2d 265 struct dxva2_picture_context *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
f0f86627 266
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267 if (DXVA_CONTEXT_DECODER(avctx, ctx) == NULL ||
268 DXVA_CONTEXT_CFG(avctx, ctx) == NULL ||
269 DXVA_CONTEXT_COUNT(avctx, ctx) <= 0)
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270 return -1;
271 assert(ctx_pic);
272
273 fill_picture_parameters(avctx, ctx, v, &ctx_pic->pp);
274
275 ctx_pic->bitstream_size = 0;
276 ctx_pic->bitstream = NULL;
277 return 0;
278}
279
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280static int dxva2_vc1_decode_slice(AVCodecContext *avctx,
281 const uint8_t *buffer,
282 uint32_t size)
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283{
284 const VC1Context *v = avctx->priv_data;
285 const Picture *current_picture = v->s.current_picture_ptr;
ad0c9f2d 286 struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
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287
288 if (ctx_pic->bitstream_size > 0)
289 return -1;
290
36ef5369 291 if (avctx->codec_id == AV_CODEC_ID_VC1 &&
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292 size >= 4 && IS_MARKER(AV_RB32(buffer))) {
293 buffer += 4;
294 size -= 4;
295 }
296
297 ctx_pic->bitstream_size = size;
298 ctx_pic->bitstream = buffer;
299
300 fill_slice(avctx, &ctx_pic->si, 0, size);
301 return 0;
302}
303
c57a5936 304static int dxva2_vc1_end_frame(AVCodecContext *avctx)
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305{
306 VC1Context *v = avctx->priv_data;
ad0c9f2d 307 struct dxva2_picture_context *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
2c541554 308 int ret;
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309
310 if (ctx_pic->bitstream_size <= 0)
311 return -1;
312
f6774f90 313 ret = ff_dxva2_common_end_frame(avctx, v->s.current_picture_ptr->f,
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314 &ctx_pic->pp, sizeof(ctx_pic->pp),
315 NULL, 0,
316 commit_bitstream_and_slice_buffer);
317 if (!ret)
318 ff_mpeg_draw_horiz_band(&v->s, 0, avctx->height);
319 return ret;
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320}
321
322#if CONFIG_WMV3_DXVA2_HWACCEL
d1b6f33b 323AVHWAccel ff_wmv3_dxva2_hwaccel = {
f0f86627 324 .name = "wmv3_dxva2",
72415b2a 325 .type = AVMEDIA_TYPE_VIDEO,
36ef5369 326 .id = AV_CODEC_ID_WMV3,
716d413c 327 .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
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328 .start_frame = dxva2_vc1_start_frame,
329 .decode_slice = dxva2_vc1_decode_slice,
330 .end_frame = dxva2_vc1_end_frame,
a871ef0c 331 .frame_priv_data_size = sizeof(struct dxva2_picture_context),
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332};
333#endif
334
d8039ef8 335#if CONFIG_VC1_DXVA2_HWACCEL
d1b6f33b 336AVHWAccel ff_vc1_dxva2_hwaccel = {
f0f86627 337 .name = "vc1_dxva2",
72415b2a 338 .type = AVMEDIA_TYPE_VIDEO,
36ef5369 339 .id = AV_CODEC_ID_VC1,
716d413c 340 .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
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DB
341 .start_frame = dxva2_vc1_start_frame,
342 .decode_slice = dxva2_vc1_decode_slice,
343 .end_frame = dxva2_vc1_end_frame,
a871ef0c 344 .frame_priv_data_size = sizeof(struct dxva2_picture_context),
f0f86627 345};
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346#endif
347
348#if CONFIG_WMV3_D3D11VA_HWACCEL
349AVHWAccel ff_wmv3_d3d11va_hwaccel = {
350 .name = "wmv3_d3d11va",
351 .type = AVMEDIA_TYPE_VIDEO,
352 .id = AV_CODEC_ID_WMV3,
353 .pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
354 .start_frame = dxva2_vc1_start_frame,
355 .decode_slice = dxva2_vc1_decode_slice,
356 .end_frame = dxva2_vc1_end_frame,
357 .frame_priv_data_size = sizeof(struct dxva2_picture_context),
358};
359#endif
360
361#if CONFIG_VC1_D3D11VA_HWACCEL
362AVHWAccel ff_vc1_d3d11va_hwaccel = {
363 .name = "vc1_d3d11va",
364 .type = AVMEDIA_TYPE_VIDEO,
365 .id = AV_CODEC_ID_VC1,
366 .pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
367 .start_frame = dxva2_vc1_start_frame,
368 .decode_slice = dxva2_vc1_decode_slice,
369 .end_frame = dxva2_vc1_end_frame,
370 .frame_priv_data_size = sizeof(struct dxva2_picture_context),
371};
372#endif