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 #include "libavutil/avassert.h"
  26 #include "avcodec.h"
  27 #include "internal.h"
  28 #include "h264.h"
  29 #include "vc1.h"
  30
  31 #undef NDEBUG
  32 #include <assert.h>
  33
  34 #include "vdpau.h"
  35 #include "vdpau_internal.h"
  36
  37 /**
  38  * @addtogroup VDPAU_Decoding
  39  *
  40  * @{
  41  */
  42
  43 static int vdpau_error(VdpStatus status)
  44 {
  45     switch (status) {
  46     case VDP_STATUS_OK:
  47         return 0;
  48     case VDP_STATUS_NO_IMPLEMENTATION:
  49         return AVERROR(ENOSYS);
  50     case VDP_STATUS_DISPLAY_PREEMPTED:
  51         return AVERROR(EIO);
  52     case VDP_STATUS_INVALID_HANDLE:
  53         return AVERROR(EBADF);
  54     case VDP_STATUS_INVALID_POINTER:
  55         return AVERROR(EFAULT);
  56     case VDP_STATUS_RESOURCES:
  57         return AVERROR(ENOBUFS);
  58     case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
  59         return AVERROR(EXDEV);
  60     case VDP_STATUS_ERROR:
  61         return AVERROR(EIO);
  62     default:
  63         return AVERROR(EINVAL);
  64     }
  65 }
  66
  67 AVVDPAUContext *av_alloc_vdpaucontext(void)
  68 {
  69     return av_vdpau_alloc_context();
  70 }
  71
  72 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
  73
  74 int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
  75                                     VdpChromaType *type,
  76                                     uint32_t *width, uint32_t *height)
  77 {
  78     VdpChromaType t;
  79     uint32_t w = avctx->coded_width;
  80     uint32_t h = avctx->coded_height;
  81
  82     /* See <vdpau/vdpau.h> for per-type alignment constraints. */
  83     switch (avctx->sw_pix_fmt) {
  84     case AV_PIX_FMT_YUV420P:
  85     case AV_PIX_FMT_YUVJ420P:
  86         t = VDP_CHROMA_TYPE_420;
  87         w = (w + 1) & ~1;
  88         h = (h + 3) & ~3;
  89         break;
  90     case AV_PIX_FMT_YUV422P:
  91     case AV_PIX_FMT_YUVJ422P:
  92         t = VDP_CHROMA_TYPE_422;
  93         w = (w + 1) & ~1;
  94         h = (h + 1) & ~1;
  95         break;
  96     case AV_PIX_FMT_YUV444P:
  97     case AV_PIX_FMT_YUVJ444P:
  98         t = VDP_CHROMA_TYPE_444;
  99         h = (h + 1) & ~1;
 100         break;
 101     default:
 102         return AVERROR(ENOSYS);
 103     }
 104
 105     if (type)
 106         *type = t;
 107     if (width)
 108         *width = w;
 109     if (height)
 110         *height = h;
 111     return 0;
 112 }
 113
 114 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
 115                          int level)
 116 {
 117     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 118     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 119     VdpVideoSurfaceQueryCapabilities *surface_query_caps;
 120     VdpDecoderQueryCapabilities *decoder_query_caps;
 121     VdpDecoderCreate *create;
 122     void *func;
 123     VdpStatus status;
 124     VdpBool supported;
 125     uint32_t max_level, max_mb, max_width, max_height;
 126     VdpChromaType type;
 127     uint32_t width;
 128     uint32_t height;
 129
 130     vdctx->width            = UINT32_MAX;
 131     vdctx->height           = UINT32_MAX;
 132
 133     if (!hwctx) {
 134         vdctx->device  = VDP_INVALID_HANDLE;
 135         av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
 136         return 0;
 137     }
 138
 139     if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
 140         vdctx->decoder = hwctx->context.decoder;
 141         vdctx->render  = hwctx->context.render;
 142         vdctx->device  = VDP_INVALID_HANDLE;
 143         return 0; /* Decoder created by user */
 144     }
 145     hwctx->reset            = 0;
 146
 147     vdctx->device           = hwctx->device;
 148     vdctx->get_proc_address = hwctx->get_proc_address;
 149
 150     if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
 151         level = 0;
 152     else if (level < 0)
 153         return AVERROR(ENOTSUP);
 154
 155     if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
 156         return AVERROR(ENOSYS);
 157
 158     if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
 159         type != VDP_CHROMA_TYPE_420)
 160         return AVERROR(ENOSYS);
 161
 162     status = vdctx->get_proc_address(vdctx->device,
 163                                      VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
 164                                      &func);
 165     if (status != VDP_STATUS_OK)
 166         return vdpau_error(status);
 167     else
 168         surface_query_caps = func;
 169
 170     status = surface_query_caps(vdctx->device, type, &supported,
 171                                 &max_width, &max_height);
 172     if (status != VDP_STATUS_OK)
 173         return vdpau_error(status);
 174     if (supported != VDP_TRUE ||
 175         max_width < width || max_height < height)
 176         return AVERROR(ENOTSUP);
 177
 178     status = vdctx->get_proc_address(vdctx->device,
 179                                      VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
 180                                      &func);
 181     if (status != VDP_STATUS_OK)
 182         return vdpau_error(status);
 183     else
 184         decoder_query_caps = func;
 185
 186     status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
 187                                 &max_mb, &max_width, &max_height);
 188 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
 189     if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
 190         /* Run-time backward compatibility for libvdpau 0.8 and earlier */
 191         profile = VDP_DECODER_PROFILE_H264_MAIN;
 192         status = decoder_query_caps(vdctx->device, profile, &supported,
 193                                     &max_level, &max_mb,
 194                                     &max_width, &max_height);
 195     }
 196 #endif
 197     if (status != VDP_STATUS_OK)
 198         return vdpau_error(status);
 199
 200     if (supported != VDP_TRUE || max_level < level ||
 201         max_width < width || max_height < height)
 202         return AVERROR(ENOTSUP);
 203
 204     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
 205                                      &func);
 206     if (status != VDP_STATUS_OK)
 207         return vdpau_error(status);
 208     else
 209         create = func;
 210
 211     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
 212                                      &func);
 213     if (status != VDP_STATUS_OK)
 214         return vdpau_error(status);
 215     else
 216         vdctx->render = func;
 217
 218     status = create(vdctx->device, profile, width, height, avctx->refs,
 219                     &vdctx->decoder);
 220     if (status == VDP_STATUS_OK) {
 221         vdctx->width  = avctx->coded_width;
 222         vdctx->height = avctx->coded_height;
 223     }
 224
 225     return vdpau_error(status);
 226 }
 227
 228 int ff_vdpau_common_uninit(AVCodecContext *avctx)
 229 {
 230     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 231     VdpDecoderDestroy *destroy;
 232     void *func;
 233     VdpStatus status;
 234
 235     if (vdctx->device == VDP_INVALID_HANDLE)
 236         return 0; /* Decoder created and destroyed by user */
 237     if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
 238         return 0;
 239
 240     status = vdctx->get_proc_address(vdctx->device,
 241                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
 242     if (status != VDP_STATUS_OK)
 243         return vdpau_error(status);
 244     else
 245         destroy = func;
 246
 247     status = destroy(vdctx->decoder);
 248     return vdpau_error(status);
 249 }
 250
 251 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
 252 {
 253     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 254     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 255
 256     if (vdctx->device == VDP_INVALID_HANDLE)
 257         return 0; /* Decoder created by user */
 258     if (avctx->coded_width == vdctx->width &&
 259         avctx->coded_height == vdctx->height && !hwctx->reset)
 260         return 0;
 261
 262     avctx->hwaccel->uninit(avctx);
 263     return avctx->hwaccel->init(avctx);
 264 }
 265
 266 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
 267                                 av_unused const uint8_t *buffer,
 268                                 av_unused uint32_t size)
 269 {
 270     pic_ctx->bitstream_buffers_allocated = 0;
 271     pic_ctx->bitstream_buffers_used      = 0;
 272     pic_ctx->bitstream_buffers           = NULL;
 273     return 0;
 274 }
 275
 276 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
 277                               struct vdpau_picture_context *pic_ctx)
 278 {
 279     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 280     AVVDPAUContext *hwctx = avctx->hwaccel_context;
 281     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
 282     VdpStatus status;
 283     int val;
 284
 285     val = ff_vdpau_common_reinit(avctx);
 286     if (val < 0)
 287         return val;
 288
 289 #if FF_API_BUFS_VDPAU
 290 FF_DISABLE_DEPRECATION_WARNINGS
 291     av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
 292     memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
 293     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
 294     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
 295     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
 296 FF_ENABLE_DEPRECATION_WARNINGS
 297 #endif
 298
 299     if (!hwctx->render && hwctx->render2) {
 300         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
 301                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
 302     } else
 303     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
 304                            pic_ctx->bitstream_buffers_used,
 305                            pic_ctx->bitstream_buffers);
 306
 307     av_freep(&pic_ctx->bitstream_buffers);
 308
 309 #if FF_API_BUFS_VDPAU
 310 FF_DISABLE_DEPRECATION_WARNINGS
 311     hwctx->bitstream_buffers = NULL;
 312     hwctx->bitstream_buffers_used = 0;
 313     hwctx->bitstream_buffers_allocated = 0;
 314 FF_ENABLE_DEPRECATION_WARNINGS
 315 #endif
 316
 317     return vdpau_error(status);
 318 }
 319
 320 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
 321     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
 322     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
 323 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
 324 {
 325     MpegEncContext *s = avctx->priv_data;
 326     Picture *pic = s->current_picture_ptr;
 327     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
 328     int val;
 329
 330     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
 331     if (val < 0)
 332         return val;
 333
 334     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 335     return 0;
 336 }
 337 #endif
 338
 339 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
 340                         const uint8_t *buf, uint32_t size)
 341 {
 342     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
 343
 344     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
 345                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
 346     if (!buffers)
 347         return AVERROR(ENOMEM);
 348
 349     pic_ctx->bitstream_buffers = buffers;
 350     buffers += pic_ctx->bitstream_buffers_used++;
 351
 352     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 353     buffers->bitstream       = buf;
 354     buffers->bitstream_bytes = size;
 355     return 0;
 356 }
 357
 358 /* Obsolete non-hwaccel VDPAU support below... */
 359
 360 void ff_vdpau_h264_set_reference_frames(H264Context *h)
 361 {
 362     struct vdpau_render_state *render, *render_ref;
 363     VdpReferenceFrameH264 *rf, *rf2;
 364     H264Picture *pic;
 365     int i, list, pic_frame_idx;
 366
 367     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
 368     assert(render);
 369
 370     rf = &render->info.h264.referenceFrames[0];
 371 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
 372
 373     for (list = 0; list < 2; ++list) {
 374         H264Picture **lp = list ? h->long_ref : h->short_ref;
 375         int ls = list ? 16 : h->short_ref_count;
 376
 377         for (i = 0; i < ls; ++i) {
 378             pic = lp[i];
 379             if (!pic || !pic->reference)
 380                 continue;
 381             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
 382
 383             render_ref = (struct vdpau_render_state *)pic->f.data[0];
 384             assert(render_ref);
 385
 386             rf2 = &render->info.h264.referenceFrames[0];
 387             while (rf2 != rf) {
 388                 if (
 389                     (rf2->surface == render_ref->surface)
 390                     && (rf2->is_long_term == pic->long_ref)
 391                     && (rf2->frame_idx == pic_frame_idx)
 392                 )
 393                     break;
 394                 ++rf2;
 395             }
 396             if (rf2 != rf) {
 397                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 398                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 399                 continue;
 400             }
 401
 402             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
 403                 continue;
 404
 405             rf->surface             = render_ref->surface;
 406             rf->is_long_term        = pic->long_ref;
 407             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 408             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 409             rf->field_order_cnt[0]  = pic->field_poc[0];
 410             rf->field_order_cnt[1]  = pic->field_poc[1];
 411             rf->frame_idx           = pic_frame_idx;
 412
 413             ++rf;
 414         }
 415     }
 416
 417     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
 418         rf->surface             = VDP_INVALID_HANDLE;
 419         rf->is_long_term        = 0;
 420         rf->top_is_reference    = 0;
 421         rf->bottom_is_reference = 0;
 422         rf->field_order_cnt[0]  = 0;
 423         rf->field_order_cnt[1]  = 0;
 424         rf->frame_idx           = 0;
 425     }
 426 }
 427
 428 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
 429 {
 430     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
 431     assert(render);
 432
 433     render->bitstream_buffers= av_fast_realloc(
 434         render->bitstream_buffers,
 435         &render->bitstream_buffers_allocated,
 436         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
 437     );
 438
 439     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 440     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
 441     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
 442     render->bitstream_buffers_used++;
 443 }
 444
 445 #if CONFIG_H264_VDPAU_DECODER
 446 void ff_vdpau_h264_picture_start(H264Context *h)
 447 {
 448     struct vdpau_render_state *render;
 449     int i;
 450
 451     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
 452     assert(render);
 453
 454     for (i = 0; i < 2; ++i) {
 455         int foc = h->cur_pic_ptr->field_poc[i];
 456         if (foc == INT_MAX)
 457             foc = 0;
 458         render->info.h264.field_order_cnt[i] = foc;
 459     }
 460
 461     render->info.h264.frame_num = h->frame_num;
 462 }
 463
 464 void ff_vdpau_h264_picture_complete(H264Context *h)
 465 {
 466     struct vdpau_render_state *render;
 467
 468     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
 469     assert(render);
 470
 471     render->info.h264.slice_count = h->slice_num;
 472     if (render->info.h264.slice_count < 1)
 473         return;
 474
 475     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
 476     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
 477     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
 478     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
 479     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
 480     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
 481     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
 482     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
 483     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
 484     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
 485     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
 486     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
 487     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
 488     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
 489     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
 490     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
 491     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
 492     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
 493     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
 494     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
 495     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
 496     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
 497     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
 498     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
 499     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
 500     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
 501     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
 502
 503     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
 504     render->bitstream_buffers_used = 0;
 505 }
 506 #endif /* CONFIG_H264_VDPAU_DECODER */
 507
 508 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
 509 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
 510                                     int buf_size, int slice_count)
 511 {
 512     struct vdpau_render_state *render, *last, *next;
 513     int i;
 514
 515     if (!s->current_picture_ptr) return;
 516
 517     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 518     assert(render);
 519
 520     /* fill VdpPictureInfoMPEG1Or2 struct */
 521     render->info.mpeg.picture_structure          = s->picture_structure;
 522     render->info.mpeg.picture_coding_type        = s->pict_type;
 523     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
 524     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
 525     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
 526     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
 527     render->info.mpeg.alternate_scan             = s->alternate_scan;
 528     render->info.mpeg.q_scale_type               = s->q_scale_type;
 529     render->info.mpeg.top_field_first            = s->top_field_first;
 530     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
 531     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
 532     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
 533     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
 534     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
 535     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
 536     for (i = 0; i < 64; ++i) {
 537         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 538         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 539     }
 540
 541     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
 542     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
 543
 544     switch(s->pict_type){
 545     case  AV_PICTURE_TYPE_B:
 546         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 547         assert(next);
 548         render->info.mpeg.backward_reference     = next->surface;
 549         // no return here, going to set forward prediction
 550     case  AV_PICTURE_TYPE_P:
 551         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 552         if (!last) // FIXME: Does this test make sense?
 553             last = render; // predict second field from the first
 554         render->info.mpeg.forward_reference      = last->surface;
 555     }
 556
 557     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 558
 559     render->info.mpeg.slice_count                = slice_count;
 560
 561     if (slice_count)
 562         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 563     render->bitstream_buffers_used               = 0;
 564 }
 565 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
 566
 567 #if CONFIG_VC1_VDPAU_DECODER
 568 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 569                                  int buf_size)
 570 {
 571     VC1Context *v = s->avctx->priv_data;
 572     struct vdpau_render_state *render, *last, *next;
 573
 574     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
 575     assert(render);
 576
 577     /*  fill LvPictureInfoVC1 struct */
 578     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
 579     render->info.vc1.postprocflag       = v->postprocflag;
 580     render->info.vc1.pulldown           = v->broadcast;
 581     render->info.vc1.interlace          = v->interlace;
 582     render->info.vc1.tfcntrflag         = v->tfcntrflag;
 583     render->info.vc1.finterpflag        = v->finterpflag;
 584     render->info.vc1.psf                = v->psf;
 585     render->info.vc1.dquant             = v->dquant;
 586     render->info.vc1.panscan_flag       = v->panscanflag;
 587     render->info.vc1.refdist_flag       = v->refdist_flag;
 588     render->info.vc1.quantizer          = v->quantizer_mode;
 589     render->info.vc1.extended_mv        = v->extended_mv;
 590     render->info.vc1.extended_dmv       = v->extended_dmv;
 591     render->info.vc1.overlap            = v->overlap;
 592     render->info.vc1.vstransform        = v->vstransform;
 593     render->info.vc1.loopfilter         = v->s.loop_filter;
 594     render->info.vc1.fastuvmc           = v->fastuvmc;
 595     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
 596     render->info.vc1.range_mapy         = v->range_mapy;
 597     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
 598     render->info.vc1.range_mapuv        = v->range_mapuv;
 599     /* Specific to simple/main profile only */
 600     render->info.vc1.multires           = v->multires;
 601     render->info.vc1.syncmarker         = v->resync_marker;
 602     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
 603     render->info.vc1.maxbframes         = v->s.max_b_frames;
 604
 605     render->info.vc1.deblockEnable      = v->postprocflag & 1;
 606     render->info.vc1.pquant             = v->pq;
 607
 608     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
 609     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
 610
 611     if (v->bi_type)
 612         render->info.vc1.picture_type = 4;
 613     else
 614         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
 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.vc1.backward_reference = next->surface;
 621         // no break 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.vc1.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.vc1.slice_count          = 1;
 632
 633     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 634     render->bitstream_buffers_used        = 0;
 635 }
 636 #endif /* (CONFIG_VC1_VDPAU_DECODER */
 637
 638 #if CONFIG_MPEG4_VDPAU_DECODER
 639 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
 640                                    int buf_size)
 641 {
 642     MpegEncContext *s = &ctx->m;
 643     struct vdpau_render_state *render, *last, *next;
 644     int i;
 645
 646     if (!s->current_picture_ptr) return;
 647
 648     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 649     assert(render);
 650
 651     /* fill VdpPictureInfoMPEG4Part2 struct */
 652     render->info.mpeg4.trd[0]                            = s->pp_time;
 653     render->info.mpeg4.trb[0]                            = s->pb_time;
 654     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
 655     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
 656     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
 657     render->info.mpeg4.vop_coding_type                   = 0;
 658     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
 659     render->info.mpeg4.vop_fcode_backward                = s->b_code;
 660     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
 661     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
 662     render->info.mpeg4.quant_type                        = s->mpeg_quant;
 663     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
 664     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
 665     render->info.mpeg4.rounding_control                  = s->no_rounding;
 666     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
 667     render->info.mpeg4.top_field_first                   = s->top_field_first;
 668     for (i = 0; i < 64; ++i) {
 669         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 670         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 671     }
 672     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
 673     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
 674
 675     switch (s->pict_type) {
 676     case AV_PICTURE_TYPE_B:
 677         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 678         assert(next);
 679         render->info.mpeg4.backward_reference     = next->surface;
 680         render->info.mpeg4.vop_coding_type        = 2;
 681         // no break here, going to set forward prediction
 682     case AV_PICTURE_TYPE_P:
 683         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 684         assert(last);
 685         render->info.mpeg4.forward_reference      = last->surface;
 686     }
 687
 688     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 689
 690     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 691     render->bitstream_buffers_used = 0;
 692 }
 693 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
 694
 695 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
 696 {
 697 #define PROFILE(prof)                      \
 698 do {                                       \
 699     *profile = VDP_DECODER_PROFILE_##prof; \
 700     return 0;                              \
 701 } while (0)
 702
 703     switch (avctx->codec_id) {
 704     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
 705     case AV_CODEC_ID_MPEG2VIDEO:
 706         switch (avctx->profile) {
 707         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
 708         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
 709         default:                               return AVERROR(EINVAL);
 710         }
 711     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
 712     case AV_CODEC_ID_MPEG4:
 713         switch (avctx->profile) {
 714         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
 715         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
 716         default:                               return AVERROR(EINVAL);
 717         }
 718     case AV_CODEC_ID_H264:
 719         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
 720         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
 721         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
 722         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
 723         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
 724 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
 725         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
 726 #endif
 727         default:                               return AVERROR(EINVAL);
 728         }
 729     case AV_CODEC_ID_WMV3:
 730     case AV_CODEC_ID_VC1:
 731         switch (avctx->profile) {
 732         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
 733         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
 734         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
 735         default:                               return AVERROR(EINVAL);
 736         }
 737     }
 738     return AVERROR(EINVAL);
 739 #undef PROFILE
 740 }
 741
 742 AVVDPAUContext *av_vdpau_alloc_context(void)
 743 {
 744     return av_mallocz(sizeof(AVVDPAUContext));
 745 }
 746
 747 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
 748                           VdpGetProcAddress *get_proc, unsigned flags)
 749 {
 750     VDPAUHWContext *hwctx;
 751
 752     if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
 753         return AVERROR(EINVAL);
 754
 755     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
 756         return AVERROR(ENOMEM);
 757
 758     hwctx = avctx->hwaccel_context;
 759
 760     memset(hwctx, 0, sizeof(*hwctx));
 761     hwctx->context.decoder  = VDP_INVALID_HANDLE;
 762     hwctx->device           = device;
 763     hwctx->get_proc_address = get_proc;
 764     hwctx->flags            = flags;
 765     hwctx->reset            = 1;
 766     return 0;
 767 }
 768
 769 /* @}*/