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     void *func;
 131     VdpStatus status;
 132     VdpBool supported;
 133     uint32_t max_level, max_mb, max_width, max_height;
 134     VdpChromaType type;
 135     uint32_t width;
 136     uint32_t height;
 137
 138     vdctx->width            = UINT32_MAX;
 139     vdctx->height           = UINT32_MAX;
 140
 141     if (!hwctx) {
 142         vdctx->device  = VDP_INVALID_HANDLE;
 143         av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
 144         return 0;
 145     }
 146
 147     if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
 148         vdctx->decoder = hwctx->context.decoder;
 149         vdctx->render  = hwctx->context.render;
 150         vdctx->device  = VDP_INVALID_HANDLE;
 151         return 0; /* Decoder created by user */
 152     }
 153     hwctx->reset            = 0;
 154
 155     vdctx->device           = hwctx->device;
 156     vdctx->get_proc_address = hwctx->get_proc_address;
 157
 158     if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
 159         level = 0;
 160     else if (level < 0)
 161         return AVERROR(ENOTSUP);
 162
 163     if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
 164         return AVERROR(ENOSYS);
 165
 166     if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
 167         type != VDP_CHROMA_TYPE_420)
 168         return AVERROR(ENOSYS);
 169
 170     status = vdctx->get_proc_address(vdctx->device,
 171                                      VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
 172                                      &func);
 173     if (status != VDP_STATUS_OK)
 174         return vdpau_error(status);
 175     else
 176         surface_query_caps = func;
 177
 178     status = surface_query_caps(vdctx->device, type, &supported,
 179                                 &max_width, &max_height);
 180     if (status != VDP_STATUS_OK)
 181         return vdpau_error(status);
 182     if (supported != VDP_TRUE ||
 183         max_width < width || max_height < height)
 184         return AVERROR(ENOTSUP);
 185
 186     status = vdctx->get_proc_address(vdctx->device,
 187                                      VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
 188                                      &func);
 189     if (status != VDP_STATUS_OK)
 190         return vdpau_error(status);
 191     else
 192         decoder_query_caps = func;
 193
 194     status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
 195                                 &max_mb, &max_width, &max_height);
 196 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
 197     if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
 198         profile = VDP_DECODER_PROFILE_H264_MAIN;
 199         status = decoder_query_caps(vdctx->device, profile, &supported,
 200                                     &max_level, &max_mb,
 201                                     &max_width, &max_height);
 202     }
 203 #endif
 204     if (status != VDP_STATUS_OK)
 205         return vdpau_error(status);
 206
 207     if (supported != VDP_TRUE || max_level < level ||
 208         max_width < width || max_height < height)
 209         return AVERROR(ENOTSUP);
 210
 211     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
 212                                      &func);
 213     if (status != VDP_STATUS_OK)
 214         return vdpau_error(status);
 215     else
 216         create = func;
 217
 218     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
 219                                      &func);
 220     if (status != VDP_STATUS_OK)
 221         return vdpau_error(status);
 222     else
 223         vdctx->render = func;
 224
 225     status = create(vdctx->device, profile, width, height, avctx->refs,
 226                     &vdctx->decoder);
 227     if (status == VDP_STATUS_OK) {
 228         vdctx->width  = avctx->coded_width;
 229         vdctx->height = avctx->coded_height;
 230     }
 231
 232     return vdpau_error(status);
 233 }
 234
 235 int ff_vdpau_common_uninit(AVCodecContext *avctx)
 236 {
 237     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 238     VdpDecoderDestroy *destroy;
 239     void *func;
 240     VdpStatus status;
 241
 242     if (vdctx->device == VDP_INVALID_HANDLE)
 243         return 0; /* Decoder created and destroyed by user */
 244     if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
 245         return 0;
 246
 247     status = vdctx->get_proc_address(vdctx->device,
 248                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
 249     if (status != VDP_STATUS_OK)
 250         return vdpau_error(status);
 251     else
 252         destroy = func;
 253
 254     status = destroy(vdctx->decoder);
 255     return vdpau_error(status);
 256 }
 257
 258 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
 259 {
 260     VDPAUHWContext *hwctx = avctx->hwaccel_context;
 261     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 262
 263     if (vdctx->device == VDP_INVALID_HANDLE)
 264         return 0; /* Decoder created by user */
 265     if (avctx->coded_width == vdctx->width &&
 266         avctx->coded_height == vdctx->height && !hwctx->reset)
 267         return 0;
 268
 269     avctx->hwaccel->uninit(avctx);
 270     return avctx->hwaccel->init(avctx);
 271 }
 272
 273 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
 274                                 av_unused const uint8_t *buffer,
 275                                 av_unused uint32_t size)
 276 {
 277     pic_ctx->bitstream_buffers_allocated = 0;
 278     pic_ctx->bitstream_buffers_used      = 0;
 279     pic_ctx->bitstream_buffers           = NULL;
 280     return 0;
 281 }
 282
 283 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
 284                               struct vdpau_picture_context *pic_ctx)
 285 {
 286     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 287     AVVDPAUContext *hwctx = avctx->hwaccel_context;
 288     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
 289     VdpStatus status;
 290     int val;
 291
 292     val = ff_vdpau_common_reinit(avctx);
 293     if (val < 0)
 294         return val;
 295
 296 #if FF_API_BUFS_VDPAU
 297 FF_DISABLE_DEPRECATION_WARNINGS
 298     av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
 299     memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
 300     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
 301     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
 302     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
 303 FF_ENABLE_DEPRECATION_WARNINGS
 304 #endif
 305
 306     if (!hwctx->render && hwctx->render2) {
 307         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
 308                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
 309     } else
 310     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
 311                            pic_ctx->bitstream_buffers_used,
 312                            pic_ctx->bitstream_buffers);
 313
 314     av_freep(&pic_ctx->bitstream_buffers);
 315
 316 #if FF_API_BUFS_VDPAU
 317 FF_DISABLE_DEPRECATION_WARNINGS
 318     hwctx->bitstream_buffers = NULL;
 319     hwctx->bitstream_buffers_used = 0;
 320     hwctx->bitstream_buffers_allocated = 0;
 321 FF_ENABLE_DEPRECATION_WARNINGS
 322 #endif
 323
 324     return vdpau_error(status);
 325 }
 326
 327 #if CONFIG_MPEG1_VDPAU_HWACCEL || \
 328     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
 329     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
 330 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
 331 {
 332     MpegEncContext *s = avctx->priv_data;
 333     Picture *pic = s->current_picture_ptr;
 334     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
 335     int val;
 336
 337     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
 338     if (val < 0)
 339         return val;
 340
 341     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 342     return 0;
 343 }
 344 #endif
 345
 346 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
 347                         const uint8_t *buf, uint32_t size)
 348 {
 349     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
 350
 351     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
 352                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
 353     if (!buffers)
 354         return AVERROR(ENOMEM);
 355
 356     pic_ctx->bitstream_buffers = buffers;
 357     buffers += pic_ctx->bitstream_buffers_used++;
 358
 359     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 360     buffers->bitstream       = buf;
 361     buffers->bitstream_bytes = size;
 362     return 0;
 363 }
 364
 365 /* Obsolete non-hwaccel VDPAU support below... */
 366
 367 #if FF_API_VDPAU
 368 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
 369 {
 370     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
 371     assert(render);
 372
 373     render->bitstream_buffers= av_fast_realloc(
 374         render->bitstream_buffers,
 375         &render->bitstream_buffers_allocated,
 376         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
 377     );
 378
 379     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 380     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
 381     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
 382     render->bitstream_buffers_used++;
 383 }
 384
 385 #if CONFIG_H264_VDPAU_DECODER
 386 void ff_vdpau_h264_set_reference_frames(H264Context *h)
 387 {
 388     struct vdpau_render_state *render, *render_ref;
 389     VdpReferenceFrameH264 *rf, *rf2;
 390     H264Picture *pic;
 391     int i, list, pic_frame_idx;
 392
 393     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 394     assert(render);
 395
 396     rf = &render->info.h264.referenceFrames[0];
 397 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
 398
 399     for (list = 0; list < 2; ++list) {
 400         H264Picture **lp = list ? h->long_ref : h->short_ref;
 401         int ls = list ? 16 : h->short_ref_count;
 402
 403         for (i = 0; i < ls; ++i) {
 404             pic = lp[i];
 405             if (!pic || !pic->reference)
 406                 continue;
 407             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
 408
 409             render_ref = (struct vdpau_render_state *)pic->f->data[0];
 410             assert(render_ref);
 411
 412             rf2 = &render->info.h264.referenceFrames[0];
 413             while (rf2 != rf) {
 414                 if (
 415                     (rf2->surface == render_ref->surface)
 416                     && (rf2->is_long_term == pic->long_ref)
 417                     && (rf2->frame_idx == pic_frame_idx)
 418                 )
 419                     break;
 420                 ++rf2;
 421             }
 422             if (rf2 != rf) {
 423                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 424                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 425                 continue;
 426             }
 427
 428             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
 429                 continue;
 430
 431             rf->surface             = render_ref->surface;
 432             rf->is_long_term        = pic->long_ref;
 433             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 434             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 435             rf->field_order_cnt[0]  = pic->field_poc[0];
 436             rf->field_order_cnt[1]  = pic->field_poc[1];
 437             rf->frame_idx           = pic_frame_idx;
 438
 439             ++rf;
 440         }
 441     }
 442
 443     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
 444         rf->surface             = VDP_INVALID_HANDLE;
 445         rf->is_long_term        = 0;
 446         rf->top_is_reference    = 0;
 447         rf->bottom_is_reference = 0;
 448         rf->field_order_cnt[0]  = 0;
 449         rf->field_order_cnt[1]  = 0;
 450         rf->frame_idx           = 0;
 451     }
 452 }
 453
 454 void ff_vdpau_h264_picture_start(H264Context *h)
 455 {
 456     struct vdpau_render_state *render;
 457     int i;
 458
 459     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 460     assert(render);
 461
 462     for (i = 0; i < 2; ++i) {
 463         int foc = h->cur_pic_ptr->field_poc[i];
 464         if (foc == INT_MAX)
 465             foc = 0;
 466         render->info.h264.field_order_cnt[i] = foc;
 467     }
 468
 469     render->info.h264.frame_num = h->poc.frame_num;
 470 }
 471
 472 void ff_vdpau_h264_picture_complete(H264Context *h)
 473 {
 474     struct vdpau_render_state *render;
 475
 476     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
 477     assert(render);
 478
 479     render->info.h264.slice_count = h->current_slice;
 480     if (render->info.h264.slice_count < 1)
 481         return;
 482
 483     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
 484     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
 485     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
 486     render->info.h264.num_ref_frames                         = h->ps.sps->ref_frame_count;
 487     render->info.h264.mb_adaptive_frame_field_flag           = h->ps.sps->mb_aff && !render->info.h264.field_pic_flag;
 488     render->info.h264.constrained_intra_pred_flag            = h->ps.pps->constrained_intra_pred;
 489     render->info.h264.weighted_pred_flag                     = h->ps.pps->weighted_pred;
 490     render->info.h264.weighted_bipred_idc                    = h->ps.pps->weighted_bipred_idc;
 491     render->info.h264.frame_mbs_only_flag                    = h->ps.sps->frame_mbs_only_flag;
 492     render->info.h264.transform_8x8_mode_flag                = h->ps.pps->transform_8x8_mode;
 493     render->info.h264.chroma_qp_index_offset                 = h->ps.pps->chroma_qp_index_offset[0];
 494     render->info.h264.second_chroma_qp_index_offset          = h->ps.pps->chroma_qp_index_offset[1];
 495     render->info.h264.pic_init_qp_minus26                    = h->ps.pps->init_qp - 26;
 496     render->info.h264.num_ref_idx_l0_active_minus1           = h->ps.pps->ref_count[0] - 1;
 497     render->info.h264.num_ref_idx_l1_active_minus1           = h->ps.pps->ref_count[1] - 1;
 498     render->info.h264.log2_max_frame_num_minus4              = h->ps.sps->log2_max_frame_num - 4;
 499     render->info.h264.pic_order_cnt_type                     = h->ps.sps->poc_type;
 500     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->ps.sps->poc_type ? 0 : h->ps.sps->log2_max_poc_lsb - 4;
 501     render->info.h264.delta_pic_order_always_zero_flag       = h->ps.sps->delta_pic_order_always_zero_flag;
 502     render->info.h264.direct_8x8_inference_flag              = h->ps.sps->direct_8x8_inference_flag;
 503     render->info.h264.entropy_coding_mode_flag               = h->ps.pps->cabac;
 504     render->info.h264.pic_order_present_flag                 = h->ps.pps->pic_order_present;
 505     render->info.h264.deblocking_filter_control_present_flag = h->ps.pps->deblocking_filter_parameters_present;
 506     render->info.h264.redundant_pic_cnt_present_flag         = h->ps.pps->redundant_pic_cnt_present;
 507     memcpy(render->info.h264.scaling_lists_4x4, h->ps.pps->scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
 508     memcpy(render->info.h264.scaling_lists_8x8[0], h->ps.pps->scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
 509     memcpy(render->info.h264.scaling_lists_8x8[1], h->ps.pps->scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
 510
 511     ff_h264_draw_horiz_band(h, &h->slice_ctx[0], 0, h->avctx->height);
 512     render->bitstream_buffers_used = 0;
 513 }
 514 #endif /* CONFIG_H264_VDPAU_DECODER */
 515
 516 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
 517 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
 518                                     int buf_size, int slice_count)
 519 {
 520     struct vdpau_render_state *render, *last, *next;
 521     int i;
 522
 523     if (!s->current_picture_ptr) return;
 524
 525     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 526     assert(render);
 527
 528     /* fill VdpPictureInfoMPEG1Or2 struct */
 529     render->info.mpeg.picture_structure          = s->picture_structure;
 530     render->info.mpeg.picture_coding_type        = s->pict_type;
 531     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
 532     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
 533     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
 534     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
 535     render->info.mpeg.alternate_scan             = s->alternate_scan;
 536     render->info.mpeg.q_scale_type               = s->q_scale_type;
 537     render->info.mpeg.top_field_first            = s->top_field_first;
 538     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
 539     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
 540     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
 541     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
 542     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
 543     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
 544     for (i = 0; i < 64; ++i) {
 545         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 546         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 547     }
 548
 549     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
 550     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
 551
 552     switch(s->pict_type){
 553     case  AV_PICTURE_TYPE_B:
 554         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 555         assert(next);
 556         render->info.mpeg.backward_reference     = next->surface;
 557         // no return here, going to set forward prediction
 558     case  AV_PICTURE_TYPE_P:
 559         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 560         if (!last) // FIXME: Does this test make sense?
 561             last = render; // predict second field from the first
 562         render->info.mpeg.forward_reference      = last->surface;
 563     }
 564
 565     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 566
 567     render->info.mpeg.slice_count                = slice_count;
 568
 569     if (slice_count)
 570         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 571     render->bitstream_buffers_used               = 0;
 572 }
 573 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
 574
 575 #if CONFIG_VC1_VDPAU_DECODER
 576 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 577                                  int buf_size)
 578 {
 579     VC1Context *v = s->avctx->priv_data;
 580     struct vdpau_render_state *render, *last, *next;
 581
 582     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
 583     assert(render);
 584
 585     /*  fill LvPictureInfoVC1 struct */
 586     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
 587     render->info.vc1.postprocflag       = v->postprocflag;
 588     render->info.vc1.pulldown           = v->broadcast;
 589     render->info.vc1.interlace          = v->interlace;
 590     render->info.vc1.tfcntrflag         = v->tfcntrflag;
 591     render->info.vc1.finterpflag        = v->finterpflag;
 592     render->info.vc1.psf                = v->psf;
 593     render->info.vc1.dquant             = v->dquant;
 594     render->info.vc1.panscan_flag       = v->panscanflag;
 595     render->info.vc1.refdist_flag       = v->refdist_flag;
 596     render->info.vc1.quantizer          = v->quantizer_mode;
 597     render->info.vc1.extended_mv        = v->extended_mv;
 598     render->info.vc1.extended_dmv       = v->extended_dmv;
 599     render->info.vc1.overlap            = v->overlap;
 600     render->info.vc1.vstransform        = v->vstransform;
 601     render->info.vc1.loopfilter         = v->s.loop_filter;
 602     render->info.vc1.fastuvmc           = v->fastuvmc;
 603     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
 604     render->info.vc1.range_mapy         = v->range_mapy;
 605     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
 606     render->info.vc1.range_mapuv        = v->range_mapuv;
 607     /* Specific to simple/main profile only */
 608     render->info.vc1.multires           = v->multires;
 609     render->info.vc1.syncmarker         = v->resync_marker;
 610     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
 611     render->info.vc1.maxbframes         = v->s.max_b_frames;
 612
 613     render->info.vc1.deblockEnable      = v->postprocflag & 1;
 614     render->info.vc1.pquant             = v->pq;
 615
 616     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
 617     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
 618
 619     if (v->bi_type)
 620         render->info.vc1.picture_type = 4;
 621     else
 622         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
 623
 624     switch(s->pict_type){
 625     case  AV_PICTURE_TYPE_B:
 626         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 627         assert(next);
 628         render->info.vc1.backward_reference = next->surface;
 629         // no break here, going to set forward prediction
 630     case  AV_PICTURE_TYPE_P:
 631         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 632         if (!last) // FIXME: Does this test make sense?
 633             last = render; // predict second field from the first
 634         render->info.vc1.forward_reference = last->surface;
 635     }
 636
 637     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 638
 639     render->info.vc1.slice_count          = 1;
 640
 641     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 642     render->bitstream_buffers_used        = 0;
 643 }
 644 #endif /* (CONFIG_VC1_VDPAU_DECODER */
 645
 646 #if CONFIG_MPEG4_VDPAU_DECODER
 647 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
 648                                    int buf_size)
 649 {
 650     MpegEncContext *s = &ctx->m;
 651     struct vdpau_render_state *render, *last, *next;
 652     int i;
 653
 654     if (!s->current_picture_ptr) return;
 655
 656     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 657     assert(render);
 658
 659     /* fill VdpPictureInfoMPEG4Part2 struct */
 660     render->info.mpeg4.trd[0]                            = s->pp_time;
 661     render->info.mpeg4.trb[0]                            = s->pb_time;
 662     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
 663     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
 664     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
 665     render->info.mpeg4.vop_coding_type                   = 0;
 666     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
 667     render->info.mpeg4.vop_fcode_backward                = s->b_code;
 668     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
 669     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
 670     render->info.mpeg4.quant_type                        = s->mpeg_quant;
 671     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
 672     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
 673     render->info.mpeg4.rounding_control                  = s->no_rounding;
 674     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
 675     render->info.mpeg4.top_field_first                   = s->top_field_first;
 676     for (i = 0; i < 64; ++i) {
 677         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 678         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 679     }
 680     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
 681     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
 682
 683     switch (s->pict_type) {
 684     case AV_PICTURE_TYPE_B:
 685         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 686         assert(next);
 687         render->info.mpeg4.backward_reference     = next->surface;
 688         render->info.mpeg4.vop_coding_type        = 2;
 689         // no break here, going to set forward prediction
 690     case AV_PICTURE_TYPE_P:
 691         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 692         assert(last);
 693         render->info.mpeg4.forward_reference      = last->surface;
 694     }
 695
 696     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 697
 698     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 699     render->bitstream_buffers_used = 0;
 700 }
 701 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
 702 #endif /* FF_API_VDPAU */
 703
 704 #if FF_API_VDPAU_PROFILE
 705 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
 706 {
 707 #define PROFILE(prof)                      \
 708 do {                                       \
 709     *profile = VDP_DECODER_PROFILE_##prof; \
 710     return 0;                              \
 711 } while (0)
 712
 713     switch (avctx->codec_id) {
 714     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
 715     case AV_CODEC_ID_MPEG2VIDEO:
 716         switch (avctx->profile) {
 717         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
 718         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
 719         default:                               return AVERROR(EINVAL);
 720         }
 721     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
 722     case AV_CODEC_ID_MPEG4:
 723         switch (avctx->profile) {
 724         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
 725         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
 726         default:                               return AVERROR(EINVAL);
 727         }
 728     case AV_CODEC_ID_H264:
 729         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
 730         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
 731         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
 732         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
 733         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
 734 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
 735         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
 736 #endif
 737         default:                               return AVERROR(EINVAL);
 738         }
 739     case AV_CODEC_ID_WMV3:
 740     case AV_CODEC_ID_VC1:
 741         switch (avctx->profile) {
 742         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
 743         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
 744         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
 745         default:                               return AVERROR(EINVAL);
 746         }
 747     }
 748     return AVERROR(EINVAL);
 749 #undef PROFILE
 750 }
 751 #endif /* FF_API_VDPAU_PROFILE */
 752
 753 AVVDPAUContext *av_vdpau_alloc_context(void)
 754 {
 755     return av_mallocz(sizeof(AVVDPAUContext));
 756 }
 757
 758 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
 759                           VdpGetProcAddress *get_proc, unsigned flags)
 760 {
 761     VDPAUHWContext *hwctx;
 762
 763     if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
 764         return AVERROR(EINVAL);
 765
 766     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
 767         return AVERROR(ENOMEM);
 768
 769     hwctx = avctx->hwaccel_context;
 770
 771     memset(hwctx, 0, sizeof(*hwctx));
 772     hwctx->context.decoder  = VDP_INVALID_HANDLE;
 773     hwctx->device           = device;
 774     hwctx->get_proc_address = get_proc;
 775     hwctx->flags            = flags;
 776     hwctx->reset            = 1;
 777     return 0;
 778 }
 779
 780 /* @}*/