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