git.sesse.net Git - ffmpeg/blob - libavcodec/vdpau.c

   1 /*
   2  * Video Decode and Presentation API for UNIX (VDPAU) is used for
   3  * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
   4  *
   5  * Copyright (c) 2008 NVIDIA
   6  *
   7  * This file is part of FFmpeg.
   8  *
   9  * FFmpeg is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * FFmpeg is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with FFmpeg; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #include <limits.h>
  25
  26 #include "avcodec.h"
  27 #include "internal.h"
  28 #include "h264dec.h"
  29 #include "vc1.h"
  30 #include "vdpau.h"
  31 #include "vdpau_compat.h"
  32 #include "vdpau_internal.h"
  33
  34 // XXX: at the time of adding this ifdefery, av_assert* wasn't use outside.
  35 // When dropping it, make sure other av_assert* were not added since then.
  36 #if FF_API_BUFS_VDPAU
  37 #include "libavutil/avassert.h"
  38 #endif
  39
  40 #if FF_API_VDPAU
  41 #undef NDEBUG
  42 #include <assert.h>
  43 #endif
  44
  45 /**
  46  * @addtogroup VDPAU_Decoding
  47  *
  48  * @{
  49  */
  50
  51 static int vdpau_error(VdpStatus status)
  52 {
  53     switch (status) {
  54     case VDP_STATUS_OK:
  55         return 0;
  56     case VDP_STATUS_NO_IMPLEMENTATION:
  57         return AVERROR(ENOSYS);
  58     case VDP_STATUS_DISPLAY_PREEMPTED:
  59         return AVERROR(EIO);
  60     case VDP_STATUS_INVALID_HANDLE:
  61         return AVERROR(EBADF);
  62     case VDP_STATUS_INVALID_POINTER:
  63         return AVERROR(EFAULT);
  64     case VDP_STATUS_RESOURCES:
  65         return AVERROR(ENOBUFS);
  66     case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
  67         return AVERROR(EXDEV);
  68     case VDP_STATUS_ERROR:
  69         return AVERROR(EIO);
  70     default:
  71         return AVERROR(EINVAL);
  72     }
  73 }
  74
  75 AVVDPAUContext *av_alloc_vdpaucontext(void)
  76 {
  77     return av_vdpau_alloc_context();
  78 }
  79
  80 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
  81
  82 int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
  83                                     VdpChromaType *type,
  84                                     uint32_t *width, uint32_t *height)
  85 {
  86     VdpChromaType t;
  87     uint32_t w = avctx->coded_width;
  88     uint32_t h = avctx->coded_height;
  89
  90     /* See <vdpau/vdpau.h> for per-type alignment constraints. */
  91     switch (avctx->sw_pix_fmt) {
  92     case AV_PIX_FMT_YUV420P:
  93     case AV_PIX_FMT_YUVJ420P:
  94         t = VDP_CHROMA_TYPE_420;
  95         w = (w + 1) & ~1;
  96         h = (h + 3) & ~3;
  97         break;
  98     case AV_PIX_FMT_YUV422P:
  99     case AV_PIX_FMT_YUVJ422P:
 100         t = VDP_CHROMA_TYPE_422;
 101         w = (w + 1) & ~1;
 102         h = (h + 1) & ~1;
 103         break;
 104     case AV_PIX_FMT_YUV444P:
 105     case AV_PIX_FMT_YUVJ444P:
 106         t = VDP_CHROMA_TYPE_444;
 107         h = (h + 1) & ~1;
 108         break;
 109     default:
 110         return AVERROR(ENOSYS);
 111     }
 112
 113     if (type)
 114         *type = t;
 115     if (width)
 116         *width = w;
 117     if (height)
 118         *height = h;
 119     return 0;
 120 }
 121
 122 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
 123                          int level)
 124 {
 125     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 126     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 127     VdpVideoSurfaceQueryCapabilities *surface_query_caps;
 128     VdpDecoderQueryCapabilities *decoder_query_caps;
 129     VdpDecoderCreate *create;
 130     VdpGetInformationString *info;
 131     const char *info_string;
 132     void *func;
 133     VdpStatus status;
 134     VdpBool supported;
 135     uint32_t max_level, max_mb, max_width, max_height;
 136     VdpChromaType type;
 137     uint32_t width;
 138     uint32_t height;
 139
 140     vdctx->width            = UINT32_MAX;
 141     vdctx->height           = UINT32_MAX;
 142
 143     if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
 144         return AVERROR(ENOSYS);
 145
 146     if (hwctx) {
 147         hwctx->reset            = 0;
 148
 149         if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
 150             vdctx->decoder = hwctx->context.decoder;
 151             vdctx->render  = hwctx->context.render;
 152             vdctx->device  = VDP_INVALID_HANDLE;
 153             return 0; /* Decoder created by user */
 154         }
 155
 156         vdctx->device           = hwctx->device;
 157         vdctx->get_proc_address = hwctx->get_proc_address;
 158
 159         if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
 160             level = 0;
 161
 162         if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
 163             type != VDP_CHROMA_TYPE_420)
 164             return AVERROR(ENOSYS);
 165     } else {
 166         AVHWFramesContext *frames_ctx = NULL;
 167         AVVDPAUDeviceContext *dev_ctx;
 168
 169         // We assume the hw_frames_ctx always survives until ff_vdpau_common_uninit
 170         // is called. This holds true as the user is not allowed to touch
 171         // hw_device_ctx, or hw_frames_ctx after get_format (and ff_get_format
 172         // itself also uninits before unreffing hw_frames_ctx).
 173         if (avctx->hw_frames_ctx) {
 174             frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
 175         } else if (avctx->hw_device_ctx) {
 176             int ret;
 177
 178             avctx->hw_frames_ctx = av_hwframe_ctx_alloc(avctx->hw_device_ctx);
 179             if (!avctx->hw_frames_ctx)
 180                 return AVERROR(ENOMEM);
 181
 182             frames_ctx            = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
 183             frames_ctx->format    = AV_PIX_FMT_VDPAU;
 184             frames_ctx->sw_format = avctx->sw_pix_fmt;
 185             frames_ctx->width     = avctx->coded_width;
 186             frames_ctx->height    = avctx->coded_height;
 187
 188             ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
 189             if (ret < 0) {
 190                 av_buffer_unref(&avctx->hw_frames_ctx);
 191                 return ret;
 192             }
 193         }
 194
 195         if (!frames_ctx) {
 196             av_log(avctx, AV_LOG_ERROR, "A hardware frames context is "
 197                    "required for VDPAU decoding.\n");
 198             return AVERROR(EINVAL);
 199         }
 200
 201         dev_ctx = frames_ctx->device_ctx->hwctx;
 202
 203         vdctx->device           = dev_ctx->device;
 204         vdctx->get_proc_address = dev_ctx->get_proc_address;
 205
 206         if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
 207             level = 0;
 208     }
 209
 210     if (level < 0)
 211         return AVERROR(ENOTSUP);
 212
 213     status = vdctx->get_proc_address(vdctx->device,
 214                                      VDP_FUNC_ID_GET_INFORMATION_STRING,
 215                                      &func);
 216     if (status != VDP_STATUS_OK)
 217         return vdpau_error(status);
 218     else
 219         info = func;
 220
 221     status = info(&info_string);
 222     if (status != VDP_STATUS_OK)
 223         return vdpau_error(status);
 224     if (avctx->codec_id == AV_CODEC_ID_HEVC && strncmp(info_string, "NVIDIA ", 7) == 0 &&
 225         !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
 226         av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");
 227         return AVERROR(ENOTSUP);
 228     }
 229
 230     status = vdctx->get_proc_address(vdctx->device,
 231                                      VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
 232                                      &func);
 233     if (status != VDP_STATUS_OK)
 234         return vdpau_error(status);
 235     else
 236         surface_query_caps = func;
 237
 238     status = surface_query_caps(vdctx->device, type, &supported,
 239                                 &max_width, &max_height);
 240     if (status != VDP_STATUS_OK)
 241         return vdpau_error(status);
 242     if (supported != VDP_TRUE ||
 243         max_width < width || max_height < height)
 244         return AVERROR(ENOTSUP);
 245
 246     status = vdctx->get_proc_address(vdctx->device,
 247                                      VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
 248                                      &func);
 249     if (status != VDP_STATUS_OK)
 250         return vdpau_error(status);
 251     else
 252         decoder_query_caps = func;
 253
 254     status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
 255                                 &max_mb, &max_width, &max_height);
 256 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
 257     if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
 258         profile = VDP_DECODER_PROFILE_H264_MAIN;
 259         status = decoder_query_caps(vdctx->device, profile, &supported,
 260                                     &max_level, &max_mb,
 261                                     &max_width, &max_height);
 262     }
 263 #endif
 264     if (status != VDP_STATUS_OK)
 265         return vdpau_error(status);
 266
 267     if (supported != VDP_TRUE || max_level < level ||
 268         max_width < width || max_height < height)
 269         return AVERROR(ENOTSUP);
 270
 271     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
 272                                      &func);
 273     if (status != VDP_STATUS_OK)
 274         return vdpau_error(status);
 275     else
 276         create = func;
 277
 278     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
 279                                      &func);
 280     if (status != VDP_STATUS_OK)
 281         return vdpau_error(status);
 282     else
 283         vdctx->render = func;
 284
 285     status = create(vdctx->device, profile, width, height, avctx->refs,
 286                     &vdctx->decoder);
 287     if (status == VDP_STATUS_OK) {
 288         vdctx->width  = avctx->coded_width;
 289         vdctx->height = avctx->coded_height;
 290     }
 291
 292     return vdpau_error(status);
 293 }
 294
 295 int ff_vdpau_common_uninit(AVCodecContext *avctx)
 296 {
 297     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 298     VdpDecoderDestroy *destroy;
 299     void *func;
 300     VdpStatus status;
 301
 302     if (vdctx->device == VDP_INVALID_HANDLE)
 303         return 0; /* Decoder created and destroyed by user */
 304     if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
 305         return 0;
 306
 307     status = vdctx->get_proc_address(vdctx->device,
 308                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
 309     if (status != VDP_STATUS_OK)
 310         return vdpau_error(status);
 311     else
 312         destroy = func;
 313
 314     status = destroy(vdctx->decoder);
 315     return vdpau_error(status);
 316 }
 317
 318 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
 319 {
 320     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 321     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 322
 323     if (vdctx->device == VDP_INVALID_HANDLE)
 324         return 0; /* Decoder created by user */
 325     if (avctx->coded_width == vdctx->width &&
 326         avctx->coded_height == vdctx->height && (!hwctx || !hwctx->reset))
 327         return 0;
 328
 329     avctx->hwaccel->uninit(avctx);
 330     return avctx->hwaccel->init(avctx);
 331 }
 332
 333 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
 334                                 av_unused const uint8_t *buffer,
 335                                 av_unused uint32_t size)
 336 {
 337     pic_ctx->bitstream_buffers_allocated = 0;
 338     pic_ctx->bitstream_buffers_used      = 0;
 339     pic_ctx->bitstream_buffers           = NULL;
 340     return 0;
 341 }
 342
 343 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
 344                               struct vdpau_picture_context *pic_ctx)
 345 {
 346     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 347     AVVDPAUContext *hwctx = avctx->hwaccel_context;
 348     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
 349     VdpStatus status;
 350     int val;
 351
 352     val = ff_vdpau_common_reinit(avctx);
 353     if (val < 0)
 354         return val;
 355
 356 #if FF_API_BUFS_VDPAU
 357 FF_DISABLE_DEPRECATION_WARNINGS
 358     if (hwctx) {
 359     av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
 360     memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
 361     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
 362     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
 363     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
 364     }
 365 FF_ENABLE_DEPRECATION_WARNINGS
 366 #endif
 367
 368     if (hwctx && !hwctx->render && hwctx->render2) {
 369         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
 370                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
 371     } else
 372     status = vdctx->render(vdctx->decoder, surf, &pic_ctx->info,
 373                            pic_ctx->bitstream_buffers_used,
 374                            pic_ctx->bitstream_buffers);
 375
 376     av_freep(&pic_ctx->bitstream_buffers);
 377
 378 #if FF_API_BUFS_VDPAU
 379 FF_DISABLE_DEPRECATION_WARNINGS
 380     if (hwctx) {
 381     hwctx->bitstream_buffers = NULL;
 382     hwctx->bitstream_buffers_used = 0;
 383     hwctx->bitstream_buffers_allocated = 0;
 384     }
 385 FF_ENABLE_DEPRECATION_WARNINGS
 386 #endif
 387
 388     return vdpau_error(status);
 389 }
 390
 391 #if CONFIG_MPEG1_VDPAU_HWACCEL || \
 392     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
 393     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
 394 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
 395 {
 396     MpegEncContext *s = avctx->priv_data;
 397     Picture *pic = s->current_picture_ptr;
 398     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
 399     int val;
 400
 401     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
 402     if (val < 0)
 403         return val;
 404
 405     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 406     return 0;
 407 }
 408 #endif
 409
 410 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
 411                         const uint8_t *buf, uint32_t size)
 412 {
 413     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
 414
 415     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
 416                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
 417     if (!buffers)
 418         return AVERROR(ENOMEM);
 419
 420     pic_ctx->bitstream_buffers = buffers;
 421     buffers += pic_ctx->bitstream_buffers_used++;
 422
 423     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 424     buffers->bitstream       = buf;
 425     buffers->bitstream_bytes = size;
 426     return 0;
 427 }
 428
 429 /* Obsolete non-hwaccel VDPAU support below... */
 430
 431 #if FF_API_VDPAU
 432 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
 433 {
 434     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
 435     assert(render);
 436
 437     render->bitstream_buffers= av_fast_realloc(
 438         render->bitstream_buffers,
 439         &render->bitstream_buffers_allocated,
 440         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
 441     );
 442
 443     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 444     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
 445     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
 446     render->bitstream_buffers_used++;
 447 }
 448
 449 #if CONFIG_H264_VDPAU_DECODER
 450 void ff_vdpau_h264_set_reference_frames(H264Context *h)
 451 {
 452     struct vdpau_render_state *render, *render_ref;
 453     VdpReferenceFrameH264 *rf, *rf2;
 454     H264Picture *pic;
 455     int i, list, pic_frame_idx;
 456
 457     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 458     assert(render);
 459
 460     rf = &render->info.h264.referenceFrames[0];
 461 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
 462
 463     for (list = 0; list < 2; ++list) {
 464         H264Picture **lp = list ? h->long_ref : h->short_ref;
 465         int ls = list ? 16 : h->short_ref_count;
 466
 467         for (i = 0; i < ls; ++i) {
 468             pic = lp[i];
 469             if (!pic || !pic->reference)
 470                 continue;
 471             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
 472
 473             render_ref = (struct vdpau_render_state *)pic->f->data[0];
 474             assert(render_ref);
 475
 476             rf2 = &render->info.h264.referenceFrames[0];
 477             while (rf2 != rf) {
 478                 if (
 479                     (rf2->surface == render_ref->surface)
 480                     && (rf2->is_long_term == pic->long_ref)
 481                     && (rf2->frame_idx == pic_frame_idx)
 482                 )
 483                     break;
 484                 ++rf2;
 485             }
 486             if (rf2 != rf) {
 487                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 488                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 489                 continue;
 490             }
 491
 492             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
 493                 continue;
 494
 495             rf->surface             = render_ref->surface;
 496             rf->is_long_term        = pic->long_ref;
 497             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 498             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 499             rf->field_order_cnt[0]  = pic->field_poc[0];
 500             rf->field_order_cnt[1]  = pic->field_poc[1];
 501             rf->frame_idx           = pic_frame_idx;
 502
 503             ++rf;
 504         }
 505     }
 506
 507     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
 508         rf->surface             = VDP_INVALID_HANDLE;
 509         rf->is_long_term        = 0;
 510         rf->top_is_reference    = 0;
 511         rf->bottom_is_reference = 0;
 512         rf->field_order_cnt[0]  = 0;
 513         rf->field_order_cnt[1]  = 0;
 514         rf->frame_idx           = 0;
 515     }
 516 }
 517
 518 void ff_vdpau_h264_picture_start(H264Context *h)
 519 {
 520     struct vdpau_render_state *render;
 521     int i;
 522
 523     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 524     assert(render);
 525
 526     for (i = 0; i < 2; ++i) {
 527         int foc = h->cur_pic_ptr->field_poc[i];
 528         if (foc == INT_MAX)
 529             foc = 0;
 530         render->info.h264.field_order_cnt[i] = foc;
 531     }
 532
 533     render->info.h264.frame_num = h->poc.frame_num;
 534 }
 535
 536 void ff_vdpau_h264_picture_complete(H264Context *h)
 537 {
 538     struct vdpau_render_state *render;
 539
 540     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 541     assert(render);
 542
 543     render->info.h264.slice_count = h->current_slice;
 544     if (render->info.h264.slice_count < 1)
 545         return;
 546
 547     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
 548     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
 549     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
 550     render->info.h264.num_ref_frames                         = h->ps.sps->ref_frame_count;
 551     render->info.h264.mb_adaptive_frame_field_flag           = h->ps.sps->mb_aff && !render->info.h264.field_pic_flag;
 552     render->info.h264.constrained_intra_pred_flag            = h->ps.pps->constrained_intra_pred;
 553     render->info.h264.weighted_pred_flag                     = h->ps.pps->weighted_pred;
 554     render->info.h264.weighted_bipred_idc                    = h->ps.pps->weighted_bipred_idc;
 555     render->info.h264.frame_mbs_only_flag                    = h->ps.sps->frame_mbs_only_flag;
 556     render->info.h264.transform_8x8_mode_flag                = h->ps.pps->transform_8x8_mode;
 557     render->info.h264.chroma_qp_index_offset                 = h->ps.pps->chroma_qp_index_offset[0];
 558     render->info.h264.second_chroma_qp_index_offset          = h->ps.pps->chroma_qp_index_offset[1];
 559     render->info.h264.pic_init_qp_minus26                    = h->ps.pps->init_qp - 26;
 560     render->info.h264.num_ref_idx_l0_active_minus1           = h->ps.pps->ref_count[0] - 1;
 561     render->info.h264.num_ref_idx_l1_active_minus1           = h->ps.pps->ref_count[1] - 1;
 562     render->info.h264.log2_max_frame_num_minus4              = h->ps.sps->log2_max_frame_num - 4;
 563     render->info.h264.pic_order_cnt_type                     = h->ps.sps->poc_type;
 564     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->ps.sps->poc_type ? 0 : h->ps.sps->log2_max_poc_lsb - 4;
 565     render->info.h264.delta_pic_order_always_zero_flag       = h->ps.sps->delta_pic_order_always_zero_flag;
 566     render->info.h264.direct_8x8_inference_flag              = h->ps.sps->direct_8x8_inference_flag;
 567     render->info.h264.entropy_coding_mode_flag               = h->ps.pps->cabac;
 568     render->info.h264.pic_order_present_flag                 = h->ps.pps->pic_order_present;
 569     render->info.h264.deblocking_filter_control_present_flag = h->ps.pps->deblocking_filter_parameters_present;
 570     render->info.h264.redundant_pic_cnt_present_flag         = h->ps.pps->redundant_pic_cnt_present;
 571     memcpy(render->info.h264.scaling_lists_4x4, h->ps.pps->scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
 572     memcpy(render->info.h264.scaling_lists_8x8[0], h->ps.pps->scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
 573     memcpy(render->info.h264.scaling_lists_8x8[1], h->ps.pps->scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
 574
 575     ff_h264_draw_horiz_band(h, &h->slice_ctx[0], 0, h->avctx->height);
 576     render->bitstream_buffers_used = 0;
 577 }
 578 #endif /* CONFIG_H264_VDPAU_DECODER */
 579
 580 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
 581 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
 582                                     int buf_size, int slice_count)
 583 {
 584     struct vdpau_render_state *render, *last, *next;
 585     int i;
 586
 587     if (!s->current_picture_ptr) return;
 588
 589     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 590     assert(render);
 591
 592     /* fill VdpPictureInfoMPEG1Or2 struct */
 593     render->info.mpeg.picture_structure          = s->picture_structure;
 594     render->info.mpeg.picture_coding_type        = s->pict_type;
 595     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
 596     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
 597     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
 598     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
 599     render->info.mpeg.alternate_scan             = s->alternate_scan;
 600     render->info.mpeg.q_scale_type               = s->q_scale_type;
 601     render->info.mpeg.top_field_first            = s->top_field_first;
 602     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
 603     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
 604     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
 605     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
 606     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
 607     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
 608     for (i = 0; i < 64; ++i) {
 609         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 610         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 611     }
 612
 613     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
 614     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
 615
 616     switch(s->pict_type){
 617     case  AV_PICTURE_TYPE_B:
 618         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 619         assert(next);
 620         render->info.mpeg.backward_reference     = next->surface;
 621         // no return here, going to set forward prediction
 622     case  AV_PICTURE_TYPE_P:
 623         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 624         if (!last) // FIXME: Does this test make sense?
 625             last = render; // predict second field from the first
 626         render->info.mpeg.forward_reference      = last->surface;
 627     }
 628
 629     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 630
 631     render->info.mpeg.slice_count                = slice_count;
 632
 633     if (slice_count)
 634         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 635     render->bitstream_buffers_used               = 0;
 636 }
 637 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
 638
 639 #if CONFIG_VC1_VDPAU_DECODER
 640 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 641                                  int buf_size)
 642 {
 643     VC1Context *v = s->avctx->priv_data;
 644     struct vdpau_render_state *render, *last, *next;
 645
 646     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
 647     assert(render);
 648
 649     /*  fill LvPictureInfoVC1 struct */
 650     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
 651     render->info.vc1.postprocflag       = v->postprocflag;
 652     render->info.vc1.pulldown           = v->broadcast;
 653     render->info.vc1.interlace          = v->interlace;
 654     render->info.vc1.tfcntrflag         = v->tfcntrflag;
 655     render->info.vc1.finterpflag        = v->finterpflag;
 656     render->info.vc1.psf                = v->psf;
 657     render->info.vc1.dquant             = v->dquant;
 658     render->info.vc1.panscan_flag       = v->panscanflag;
 659     render->info.vc1.refdist_flag       = v->refdist_flag;
 660     render->info.vc1.quantizer          = v->quantizer_mode;
 661     render->info.vc1.extended_mv        = v->extended_mv;
 662     render->info.vc1.extended_dmv       = v->extended_dmv;
 663     render->info.vc1.overlap            = v->overlap;
 664     render->info.vc1.vstransform        = v->vstransform;
 665     render->info.vc1.loopfilter         = v->s.loop_filter;
 666     render->info.vc1.fastuvmc           = v->fastuvmc;
 667     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
 668     render->info.vc1.range_mapy         = v->range_mapy;
 669     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
 670     render->info.vc1.range_mapuv        = v->range_mapuv;
 671     /* Specific to simple/main profile only */
 672     render->info.vc1.multires           = v->multires;
 673     render->info.vc1.syncmarker         = v->resync_marker;
 674     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
 675     render->info.vc1.maxbframes         = v->s.max_b_frames;
 676
 677     render->info.vc1.deblockEnable      = v->postprocflag & 1;
 678     render->info.vc1.pquant             = v->pq;
 679
 680     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
 681     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
 682
 683     if (v->bi_type)
 684         render->info.vc1.picture_type = 4;
 685     else
 686         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
 687
 688     switch(s->pict_type){
 689     case  AV_PICTURE_TYPE_B:
 690         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 691         assert(next);
 692         render->info.vc1.backward_reference = next->surface;
 693         // no break here, going to set forward prediction
 694     case  AV_PICTURE_TYPE_P:
 695         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 696         if (!last) // FIXME: Does this test make sense?
 697             last = render; // predict second field from the first
 698         render->info.vc1.forward_reference = last->surface;
 699     }
 700
 701     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 702
 703     render->info.vc1.slice_count          = 1;
 704
 705     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 706     render->bitstream_buffers_used        = 0;
 707 }
 708 #endif /* (CONFIG_VC1_VDPAU_DECODER */
 709
 710 #if CONFIG_MPEG4_VDPAU_DECODER
 711 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
 712                                    int buf_size)
 713 {
 714     MpegEncContext *s = &ctx->m;
 715     struct vdpau_render_state *render, *last, *next;
 716     int i;
 717
 718     if (!s->current_picture_ptr) return;
 719
 720     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 721     assert(render);
 722
 723     /* fill VdpPictureInfoMPEG4Part2 struct */
 724     render->info.mpeg4.trd[0]                            = s->pp_time;
 725     render->info.mpeg4.trb[0]                            = s->pb_time;
 726     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
 727     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
 728     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
 729     render->info.mpeg4.vop_coding_type                   = 0;
 730     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
 731     render->info.mpeg4.vop_fcode_backward                = s->b_code;
 732     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
 733     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
 734     render->info.mpeg4.quant_type                        = s->mpeg_quant;
 735     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
 736     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
 737     render->info.mpeg4.rounding_control                  = s->no_rounding;
 738     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
 739     render->info.mpeg4.top_field_first                   = s->top_field_first;
 740     for (i = 0; i < 64; ++i) {
 741         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 742         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 743     }
 744     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
 745     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
 746
 747     switch (s->pict_type) {
 748     case AV_PICTURE_TYPE_B:
 749         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 750         assert(next);
 751         render->info.mpeg4.backward_reference     = next->surface;
 752         render->info.mpeg4.vop_coding_type        = 2;
 753         // no break here, going to set forward prediction
 754     case AV_PICTURE_TYPE_P:
 755         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 756         assert(last);
 757         render->info.mpeg4.forward_reference      = last->surface;
 758     }
 759
 760     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 761
 762     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 763     render->bitstream_buffers_used = 0;
 764 }
 765 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
 766 #endif /* FF_API_VDPAU */
 767
 768 #if FF_API_VDPAU_PROFILE
 769 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
 770 {
 771 #define PROFILE(prof)                      \
 772 do {                                       \
 773     *profile = VDP_DECODER_PROFILE_##prof; \
 774     return 0;                              \
 775 } while (0)
 776
 777     switch (avctx->codec_id) {
 778     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
 779     case AV_CODEC_ID_MPEG2VIDEO:
 780         switch (avctx->profile) {
 781         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
 782         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
 783         default:                               return AVERROR(EINVAL);
 784         }
 785     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
 786     case AV_CODEC_ID_MPEG4:
 787         switch (avctx->profile) {
 788         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
 789         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
 790         default:                               return AVERROR(EINVAL);
 791         }
 792     case AV_CODEC_ID_H264:
 793         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
 794         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
 795         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
 796         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
 797         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
 798 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
 799         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
 800 #endif
 801         default:                               return AVERROR(EINVAL);
 802         }
 803     case AV_CODEC_ID_WMV3:
 804     case AV_CODEC_ID_VC1:
 805         switch (avctx->profile) {
 806         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
 807         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
 808         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
 809         default:                               return AVERROR(EINVAL);
 810         }
 811     }
 812     return AVERROR(EINVAL);
 813 #undef PROFILE
 814 }
 815 #endif /* FF_API_VDPAU_PROFILE */
 816
 817 AVVDPAUContext *av_vdpau_alloc_context(void)
 818 {
 819     return av_mallocz(sizeof(VDPAUHWContext));
 820 }
 821
 822 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
 823                           VdpGetProcAddress *get_proc, unsigned flags)
 824 {
 825     VDPAUHWContext *hwctx;
 826
 827     if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
 828         return AVERROR(EINVAL);
 829
 830     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
 831         return AVERROR(ENOMEM);
 832
 833     hwctx = avctx->hwaccel_context;
 834
 835     memset(hwctx, 0, sizeof(*hwctx));
 836     hwctx->context.decoder  = VDP_INVALID_HANDLE;
 837     hwctx->device           = device;
 838     hwctx->get_proc_address = get_proc;
 839     hwctx->flags            = flags;
 840     hwctx->reset            = 1;
 841     return 0;
 842 }
 843
 844 /* @}*/