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_compat.h"
  36 #include "vdpau_internal.h"
  37
  38 /**
  39  * @addtogroup VDPAU_Decoding
  40  *
  41  * @{
  42  */
  43
  44 static int vdpau_error(VdpStatus status)
  45 {
  46     switch (status) {
  47     case VDP_STATUS_OK:
  48         return 0;
  49     case VDP_STATUS_NO_IMPLEMENTATION:
  50         return AVERROR(ENOSYS);
  51     case VDP_STATUS_DISPLAY_PREEMPTED:
  52         return AVERROR(EIO);
  53     case VDP_STATUS_INVALID_HANDLE:
  54         return AVERROR(EBADF);
  55     case VDP_STATUS_INVALID_POINTER:
  56         return AVERROR(EFAULT);
  57     case VDP_STATUS_RESOURCES:
  58         return AVERROR(ENOBUFS);
  59     case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
  60         return AVERROR(EXDEV);
  61     case VDP_STATUS_ERROR:
  62         return AVERROR(EIO);
  63     default:
  64         return AVERROR(EINVAL);
  65     }
  66 }
  67
  68 AVVDPAUContext *av_alloc_vdpaucontext(void)
  69 {
  70     return av_vdpau_alloc_context();
  71 }
  72
  73 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
  74
  75 int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
  76                                     VdpChromaType *type,
  77                                     uint32_t *width, uint32_t *height)
  78 {
  79     VdpChromaType t;
  80     uint32_t w = avctx->coded_width;
  81     uint32_t h = avctx->coded_height;
  82
  83     /* See <vdpau/vdpau.h> for per-type alignment constraints. */
  84     switch (avctx->sw_pix_fmt) {
  85     case AV_PIX_FMT_YUV420P:
  86     case AV_PIX_FMT_YUVJ420P:
  87         t = VDP_CHROMA_TYPE_420;
  88         w = (w + 1) & ~1;
  89         h = (h + 3) & ~3;
  90         break;
  91     case AV_PIX_FMT_YUV422P:
  92     case AV_PIX_FMT_YUVJ422P:
  93         t = VDP_CHROMA_TYPE_422;
  94         w = (w + 1) & ~1;
  95         h = (h + 1) & ~1;
  96         break;
  97     case AV_PIX_FMT_YUV444P:
  98     case AV_PIX_FMT_YUVJ444P:
  99         t = VDP_CHROMA_TYPE_444;
 100         h = (h + 1) & ~1;
 101         break;
 102     default:
 103         return AVERROR(ENOSYS);
 104     }
 105
 106     if (type)
 107         *type = t;
 108     if (width)
 109         *width = w;
 110     if (height)
 111         *height = h;
 112     return 0;
 113 }
 114
 115 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
 116                          int level)
 117 {
 118     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 119     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 120     VdpVideoSurfaceQueryCapabilities *surface_query_caps;
 121     VdpDecoderQueryCapabilities *decoder_query_caps;
 122     VdpDecoderCreate *create;
 123     void *func;
 124     VdpStatus status;
 125     VdpBool supported;
 126     uint32_t max_level, max_mb, max_width, max_height;
 127     VdpChromaType type;
 128     uint32_t width;
 129     uint32_t height;
 130
 131     vdctx->width            = UINT32_MAX;
 132     vdctx->height           = UINT32_MAX;
 133
 134     if (!hwctx) {
 135         vdctx->device  = VDP_INVALID_HANDLE;
 136         av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
 137         return 0;
 138     }
 139
 140     if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
 141         vdctx->decoder = hwctx->context.decoder;
 142         vdctx->render  = hwctx->context.render;
 143         vdctx->device  = VDP_INVALID_HANDLE;
 144         return 0; /* Decoder created by user */
 145     }
 146     hwctx->reset            = 0;
 147
 148     vdctx->device           = hwctx->device;
 149     vdctx->get_proc_address = hwctx->get_proc_address;
 150
 151     if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
 152         level = 0;
 153     else if (level < 0)
 154         return AVERROR(ENOTSUP);
 155
 156     if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
 157         return AVERROR(ENOSYS);
 158
 159     if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
 160         type != VDP_CHROMA_TYPE_420)
 161         return AVERROR(ENOSYS);
 162
 163     status = vdctx->get_proc_address(vdctx->device,
 164                                      VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
 165                                      &func);
 166     if (status != VDP_STATUS_OK)
 167         return vdpau_error(status);
 168     else
 169         surface_query_caps = func;
 170
 171     status = surface_query_caps(vdctx->device, type, &supported,
 172                                 &max_width, &max_height);
 173     if (status != VDP_STATUS_OK)
 174         return vdpau_error(status);
 175     if (supported != VDP_TRUE ||
 176         max_width < width || max_height < height)
 177         return AVERROR(ENOTSUP);
 178
 179     status = vdctx->get_proc_address(vdctx->device,
 180                                      VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
 181                                      &func);
 182     if (status != VDP_STATUS_OK)
 183         return vdpau_error(status);
 184     else
 185         decoder_query_caps = func;
 186
 187     status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
 188                                 &max_mb, &max_width, &max_height);
 189 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
 190     if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
 191         /* Run-time backward compatibility for libvdpau 0.8 and earlier */
 192         profile = VDP_DECODER_PROFILE_H264_MAIN;
 193         status = decoder_query_caps(vdctx->device, profile, &supported,
 194                                     &max_level, &max_mb,
 195                                     &max_width, &max_height);
 196     }
 197 #endif
 198     if (status != VDP_STATUS_OK)
 199         return vdpau_error(status);
 200
 201     if (supported != VDP_TRUE || max_level < level ||
 202         max_width < width || max_height < height)
 203         return AVERROR(ENOTSUP);
 204
 205     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
 206                                      &func);
 207     if (status != VDP_STATUS_OK)
 208         return vdpau_error(status);
 209     else
 210         create = func;
 211
 212     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
 213                                      &func);
 214     if (status != VDP_STATUS_OK)
 215         return vdpau_error(status);
 216     else
 217         vdctx->render = func;
 218
 219     status = create(vdctx->device, profile, width, height, avctx->refs,
 220                     &vdctx->decoder);
 221     if (status == VDP_STATUS_OK) {
 222         vdctx->width  = avctx->coded_width;
 223         vdctx->height = avctx->coded_height;
 224     }
 225
 226     return vdpau_error(status);
 227 }
 228
 229 int ff_vdpau_common_uninit(AVCodecContext *avctx)
 230 {
 231     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 232     VdpDecoderDestroy *destroy;
 233     void *func;
 234     VdpStatus status;
 235
 236     if (vdctx->device == VDP_INVALID_HANDLE)
 237         return 0; /* Decoder created and destroyed by user */
 238     if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
 239         return 0;
 240
 241     status = vdctx->get_proc_address(vdctx->device,
 242                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
 243     if (status != VDP_STATUS_OK)
 244         return vdpau_error(status);
 245     else
 246         destroy = func;
 247
 248     status = destroy(vdctx->decoder);
 249     return vdpau_error(status);
 250 }
 251
 252 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
 253 {
 254     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 255     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 256
 257     if (vdctx->device == VDP_INVALID_HANDLE)
 258         return 0; /* Decoder created by user */
 259     if (avctx->coded_width == vdctx->width &&
 260         avctx->coded_height == vdctx->height && !hwctx->reset)
 261         return 0;
 262
 263     avctx->hwaccel->uninit(avctx);
 264     return avctx->hwaccel->init(avctx);
 265 }
 266
 267 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
 268                                 av_unused const uint8_t *buffer,
 269                                 av_unused uint32_t size)
 270 {
 271     pic_ctx->bitstream_buffers_allocated = 0;
 272     pic_ctx->bitstream_buffers_used      = 0;
 273     pic_ctx->bitstream_buffers           = NULL;
 274     return 0;
 275 }
 276
 277 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
 278                               struct vdpau_picture_context *pic_ctx)
 279 {
 280     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 281     AVVDPAUContext *hwctx = avctx->hwaccel_context;
 282     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
 283     VdpStatus status;
 284     int val;
 285
 286     val = ff_vdpau_common_reinit(avctx);
 287     if (val < 0)
 288         return val;
 289
 290 #if FF_API_BUFS_VDPAU
 291 FF_DISABLE_DEPRECATION_WARNINGS
 292     av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
 293     memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
 294     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
 295     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
 296     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
 297 FF_ENABLE_DEPRECATION_WARNINGS
 298 #endif
 299
 300     if (!hwctx->render && hwctx->render2) {
 301         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
 302                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
 303     } else
 304     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
 305                            pic_ctx->bitstream_buffers_used,
 306                            pic_ctx->bitstream_buffers);
 307
 308     av_freep(&pic_ctx->bitstream_buffers);
 309
 310 #if FF_API_BUFS_VDPAU
 311 FF_DISABLE_DEPRECATION_WARNINGS
 312     hwctx->bitstream_buffers = NULL;
 313     hwctx->bitstream_buffers_used = 0;
 314     hwctx->bitstream_buffers_allocated = 0;
 315 FF_ENABLE_DEPRECATION_WARNINGS
 316 #endif
 317
 318     return vdpau_error(status);
 319 }
 320
 321 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
 322     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
 323     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
 324 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
 325 {
 326     MpegEncContext *s = avctx->priv_data;
 327     Picture *pic = s->current_picture_ptr;
 328     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
 329     int val;
 330
 331     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
 332     if (val < 0)
 333         return val;
 334
 335     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 336     return 0;
 337 }
 338 #endif
 339
 340 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
 341                         const uint8_t *buf, uint32_t size)
 342 {
 343     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
 344
 345     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
 346                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
 347     if (!buffers)
 348         return AVERROR(ENOMEM);
 349
 350     pic_ctx->bitstream_buffers = buffers;
 351     buffers += pic_ctx->bitstream_buffers_used++;
 352
 353     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 354     buffers->bitstream       = buf;
 355     buffers->bitstream_bytes = size;
 356     return 0;
 357 }
 358
 359 /* Obsolete non-hwaccel VDPAU support below... */
 360
 361 #if FF_API_VDPAU
 362 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
 363 {
 364     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
 365     assert(render);
 366
 367     render->bitstream_buffers= av_fast_realloc(
 368         render->bitstream_buffers,
 369         &render->bitstream_buffers_allocated,
 370         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
 371     );
 372
 373     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 374     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
 375     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
 376     render->bitstream_buffers_used++;
 377 }
 378
 379 #if CONFIG_H264_VDPAU_DECODER
 380 void ff_vdpau_h264_set_reference_frames(H264Context *h)
 381 {
 382     struct vdpau_render_state *render, *render_ref;
 383     VdpReferenceFrameH264 *rf, *rf2;
 384     H264Picture *pic;
 385     int i, list, pic_frame_idx;
 386
 387     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 388     assert(render);
 389
 390     rf = &render->info.h264.referenceFrames[0];
 391 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
 392
 393     for (list = 0; list < 2; ++list) {
 394         H264Picture **lp = list ? h->long_ref : h->short_ref;
 395         int ls = list ? 16 : h->short_ref_count;
 396
 397         for (i = 0; i < ls; ++i) {
 398             pic = lp[i];
 399             if (!pic || !pic->reference)
 400                 continue;
 401             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
 402
 403             render_ref = (struct vdpau_render_state *)pic->f->data[0];
 404             assert(render_ref);
 405
 406             rf2 = &render->info.h264.referenceFrames[0];
 407             while (rf2 != rf) {
 408                 if (
 409                     (rf2->surface == render_ref->surface)
 410                     && (rf2->is_long_term == pic->long_ref)
 411                     && (rf2->frame_idx == pic_frame_idx)
 412                 )
 413                     break;
 414                 ++rf2;
 415             }
 416             if (rf2 != rf) {
 417                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 418                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 419                 continue;
 420             }
 421
 422             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
 423                 continue;
 424
 425             rf->surface             = render_ref->surface;
 426             rf->is_long_term        = pic->long_ref;
 427             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 428             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 429             rf->field_order_cnt[0]  = pic->field_poc[0];
 430             rf->field_order_cnt[1]  = pic->field_poc[1];
 431             rf->frame_idx           = pic_frame_idx;
 432
 433             ++rf;
 434         }
 435     }
 436
 437     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
 438         rf->surface             = VDP_INVALID_HANDLE;
 439         rf->is_long_term        = 0;
 440         rf->top_is_reference    = 0;
 441         rf->bottom_is_reference = 0;
 442         rf->field_order_cnt[0]  = 0;
 443         rf->field_order_cnt[1]  = 0;
 444         rf->frame_idx           = 0;
 445     }
 446 }
 447
 448 void ff_vdpau_h264_picture_start(H264Context *h)
 449 {
 450     struct vdpau_render_state *render;
 451     int i;
 452
 453     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 454     assert(render);
 455
 456     for (i = 0; i < 2; ++i) {
 457         int foc = h->cur_pic_ptr->field_poc[i];
 458         if (foc == INT_MAX)
 459             foc = 0;
 460         render->info.h264.field_order_cnt[i] = foc;
 461     }
 462
 463     render->info.h264.frame_num = h->frame_num;
 464 }
 465
 466 void ff_vdpau_h264_picture_complete(H264Context *h)
 467 {
 468     struct vdpau_render_state *render;
 469
 470     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 471     assert(render);
 472
 473     render->info.h264.slice_count = h->current_slice;
 474     if (render->info.h264.slice_count < 1)
 475         return;
 476
 477     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
 478     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
 479     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
 480     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
 481     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
 482     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
 483     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
 484     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
 485     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
 486     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
 487     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
 488     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
 489     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
 490     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
 491     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
 492     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
 493     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
 494     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
 495     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
 496     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
 497     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
 498     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
 499     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
 500     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
 501     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
 502     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
 503     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
 504
 505     ff_h264_draw_horiz_band(h, &h->slice_ctx[0], 0, h->avctx->height);
 506     render->bitstream_buffers_used = 0;
 507 }
 508 #endif /* CONFIG_H264_VDPAU_DECODER */
 509
 510 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
 511 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
 512                                     int buf_size, int slice_count)
 513 {
 514     struct vdpau_render_state *render, *last, *next;
 515     int i;
 516
 517     if (!s->current_picture_ptr) return;
 518
 519     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 520     assert(render);
 521
 522     /* fill VdpPictureInfoMPEG1Or2 struct */
 523     render->info.mpeg.picture_structure          = s->picture_structure;
 524     render->info.mpeg.picture_coding_type        = s->pict_type;
 525     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
 526     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
 527     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
 528     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
 529     render->info.mpeg.alternate_scan             = s->alternate_scan;
 530     render->info.mpeg.q_scale_type               = s->q_scale_type;
 531     render->info.mpeg.top_field_first            = s->top_field_first;
 532     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
 533     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
 534     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
 535     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
 536     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
 537     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
 538     for (i = 0; i < 64; ++i) {
 539         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 540         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 541     }
 542
 543     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
 544     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
 545
 546     switch(s->pict_type){
 547     case  AV_PICTURE_TYPE_B:
 548         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 549         assert(next);
 550         render->info.mpeg.backward_reference     = next->surface;
 551         // no return here, going to set forward prediction
 552     case  AV_PICTURE_TYPE_P:
 553         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 554         if (!last) // FIXME: Does this test make sense?
 555             last = render; // predict second field from the first
 556         render->info.mpeg.forward_reference      = last->surface;
 557     }
 558
 559     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 560
 561     render->info.mpeg.slice_count                = slice_count;
 562
 563     if (slice_count)
 564         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 565     render->bitstream_buffers_used               = 0;
 566 }
 567 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
 568
 569 #if CONFIG_VC1_VDPAU_DECODER
 570 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 571                                  int buf_size)
 572 {
 573     VC1Context *v = s->avctx->priv_data;
 574     struct vdpau_render_state *render, *last, *next;
 575
 576     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
 577     assert(render);
 578
 579     /*  fill LvPictureInfoVC1 struct */
 580     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
 581     render->info.vc1.postprocflag       = v->postprocflag;
 582     render->info.vc1.pulldown           = v->broadcast;
 583     render->info.vc1.interlace          = v->interlace;
 584     render->info.vc1.tfcntrflag         = v->tfcntrflag;
 585     render->info.vc1.finterpflag        = v->finterpflag;
 586     render->info.vc1.psf                = v->psf;
 587     render->info.vc1.dquant             = v->dquant;
 588     render->info.vc1.panscan_flag       = v->panscanflag;
 589     render->info.vc1.refdist_flag       = v->refdist_flag;
 590     render->info.vc1.quantizer          = v->quantizer_mode;
 591     render->info.vc1.extended_mv        = v->extended_mv;
 592     render->info.vc1.extended_dmv       = v->extended_dmv;
 593     render->info.vc1.overlap            = v->overlap;
 594     render->info.vc1.vstransform        = v->vstransform;
 595     render->info.vc1.loopfilter         = v->s.loop_filter;
 596     render->info.vc1.fastuvmc           = v->fastuvmc;
 597     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
 598     render->info.vc1.range_mapy         = v->range_mapy;
 599     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
 600     render->info.vc1.range_mapuv        = v->range_mapuv;
 601     /* Specific to simple/main profile only */
 602     render->info.vc1.multires           = v->multires;
 603     render->info.vc1.syncmarker         = v->resync_marker;
 604     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
 605     render->info.vc1.maxbframes         = v->s.max_b_frames;
 606
 607     render->info.vc1.deblockEnable      = v->postprocflag & 1;
 608     render->info.vc1.pquant             = v->pq;
 609
 610     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
 611     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
 612
 613     if (v->bi_type)
 614         render->info.vc1.picture_type = 4;
 615     else
 616         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
 617
 618     switch(s->pict_type){
 619     case  AV_PICTURE_TYPE_B:
 620         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 621         assert(next);
 622         render->info.vc1.backward_reference = next->surface;
 623         // no break here, going to set forward prediction
 624     case  AV_PICTURE_TYPE_P:
 625         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 626         if (!last) // FIXME: Does this test make sense?
 627             last = render; // predict second field from the first
 628         render->info.vc1.forward_reference = last->surface;
 629     }
 630
 631     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 632
 633     render->info.vc1.slice_count          = 1;
 634
 635     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 636     render->bitstream_buffers_used        = 0;
 637 }
 638 #endif /* (CONFIG_VC1_VDPAU_DECODER */
 639
 640 #if CONFIG_MPEG4_VDPAU_DECODER
 641 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
 642                                    int buf_size)
 643 {
 644     MpegEncContext *s = &ctx->m;
 645     struct vdpau_render_state *render, *last, *next;
 646     int i;
 647
 648     if (!s->current_picture_ptr) return;
 649
 650     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 651     assert(render);
 652
 653     /* fill VdpPictureInfoMPEG4Part2 struct */
 654     render->info.mpeg4.trd[0]                            = s->pp_time;
 655     render->info.mpeg4.trb[0]                            = s->pb_time;
 656     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
 657     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
 658     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
 659     render->info.mpeg4.vop_coding_type                   = 0;
 660     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
 661     render->info.mpeg4.vop_fcode_backward                = s->b_code;
 662     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
 663     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
 664     render->info.mpeg4.quant_type                        = s->mpeg_quant;
 665     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
 666     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
 667     render->info.mpeg4.rounding_control                  = s->no_rounding;
 668     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
 669     render->info.mpeg4.top_field_first                   = s->top_field_first;
 670     for (i = 0; i < 64; ++i) {
 671         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 672         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 673     }
 674     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
 675     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
 676
 677     switch (s->pict_type) {
 678     case AV_PICTURE_TYPE_B:
 679         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 680         assert(next);
 681         render->info.mpeg4.backward_reference     = next->surface;
 682         render->info.mpeg4.vop_coding_type        = 2;
 683         // no break here, going to set forward prediction
 684     case AV_PICTURE_TYPE_P:
 685         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 686         assert(last);
 687         render->info.mpeg4.forward_reference      = last->surface;
 688     }
 689
 690     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 691
 692     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 693     render->bitstream_buffers_used = 0;
 694 }
 695 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
 696 #endif /* FF_API_VDPAU */
 697
 698 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
 699 {
 700 #define PROFILE(prof)                      \
 701 do {                                       \
 702     *profile = VDP_DECODER_PROFILE_##prof; \
 703     return 0;                              \
 704 } while (0)
 705
 706     switch (avctx->codec_id) {
 707     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
 708     case AV_CODEC_ID_MPEG2VIDEO:
 709         switch (avctx->profile) {
 710         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
 711         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
 712         default:                               return AVERROR(EINVAL);
 713         }
 714     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
 715     case AV_CODEC_ID_MPEG4:
 716         switch (avctx->profile) {
 717         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
 718         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
 719         default:                               return AVERROR(EINVAL);
 720         }
 721     case AV_CODEC_ID_H264:
 722         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
 723         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
 724         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
 725         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
 726         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
 727 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
 728         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
 729 #endif
 730         default:                               return AVERROR(EINVAL);
 731         }
 732     case AV_CODEC_ID_WMV3:
 733     case AV_CODEC_ID_VC1:
 734         switch (avctx->profile) {
 735         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
 736         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
 737         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
 738         default:                               return AVERROR(EINVAL);
 739         }
 740     }
 741     return AVERROR(EINVAL);
 742 #undef PROFILE
 743 }
 744
 745 AVVDPAUContext *av_vdpau_alloc_context(void)
 746 {
 747     return av_mallocz(sizeof(AVVDPAUContext));
 748 }
 749
 750 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
 751                           VdpGetProcAddress *get_proc, unsigned flags)
 752 {
 753     VDPAUHWContext *hwctx;
 754
 755     if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
 756         return AVERROR(EINVAL);
 757
 758     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
 759         return AVERROR(ENOMEM);
 760
 761     hwctx = avctx->hwaccel_context;
 762
 763     memset(hwctx, 0, sizeof(*hwctx));
 764     hwctx->context.decoder  = VDP_INVALID_HANDLE;
 765     hwctx->device           = device;
 766     hwctx->get_proc_address = get_proc;
 767     hwctx->flags            = flags;
 768     hwctx->reset            = 1;
 769     return 0;
 770 }
 771
 772 /* @}*/