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vdpau.c
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1 /*
2  * Video Decode and Presentation API for UNIX (VDPAU) is used for
3  * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
4  *
5  * Copyright (c) 2008 NVIDIA
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include <limits.h>
25 #include "libavutil/avassert.h"
26 #include "avcodec.h"
27 #include "internal.h"
28 #include "h264.h"
29 #include "vc1.h"
30 
31 #undef NDEBUG
32 #include <assert.h>
33 
34 #include "vdpau.h"
35 #include "vdpau_internal.h"
36 
37 /**
38  * @addtogroup VDPAU_Decoding
39  *
40  * @{
41  */
42 
43 static int vdpau_error(VdpStatus status)
44 {
45  switch (status) {
46  case VDP_STATUS_OK:
47  return 0;
48  case VDP_STATUS_NO_IMPLEMENTATION:
49  return AVERROR(ENOSYS);
50  case VDP_STATUS_DISPLAY_PREEMPTED:
51  return AVERROR(EIO);
52  case VDP_STATUS_INVALID_HANDLE:
53  return AVERROR(EBADF);
54  case VDP_STATUS_INVALID_POINTER:
55  return AVERROR(EFAULT);
56  case VDP_STATUS_RESOURCES:
57  return AVERROR(ENOBUFS);
58  case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
59  return AVERROR(EXDEV);
60  case VDP_STATUS_ERROR:
61  return AVERROR(EIO);
62  default:
63  return AVERROR(EINVAL);
64  }
65 }
66 
67 AVVDPAUContext *av_alloc_vdpaucontext(void)
68 {
69  return av_vdpau_alloc_context();
70 }
71 
72 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
73 
74 int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
75  VdpChromaType *type,
76  uint32_t *width, uint32_t *height)
77 {
78  VdpChromaType t;
79  uint32_t w = avctx->coded_width;
80  uint32_t h = avctx->coded_height;
81 
82  /* See <vdpau/vdpau.h> for per-type alignment constraints. */
83  switch (avctx->sw_pix_fmt) {
84  case AV_PIX_FMT_YUV420P:
85  case AV_PIX_FMT_YUVJ420P:
86  t = VDP_CHROMA_TYPE_420;
87  w = (w + 1) & ~1;
88  h = (h + 3) & ~3;
89  break;
90  case AV_PIX_FMT_YUV422P:
91  case AV_PIX_FMT_YUVJ422P:
92  t = VDP_CHROMA_TYPE_422;
93  w = (w + 1) & ~1;
94  h = (h + 1) & ~1;
95  break;
96  case AV_PIX_FMT_YUV444P:
97  case AV_PIX_FMT_YUVJ444P:
98  t = VDP_CHROMA_TYPE_444;
99  h = (h + 1) & ~1;
100  break;
101  default:
102  return AVERROR(ENOSYS);
103  }
104 
105  if (type)
106  *type = t;
107  if (width)
108  *width = w;
109  if (height)
110  *height = h;
111  return 0;
112 }
113 
114 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
115  int level)
116 {
117  VDPAUHWContext *hwctx = avctx->hwaccel_context;
118  VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
119  VdpVideoSurfaceQueryCapabilities *surface_query_caps;
120  VdpDecoderQueryCapabilities *decoder_query_caps;
121  VdpDecoderCreate *create;
122  void *func;
123  VdpStatus status;
124  VdpBool supported;
125  uint32_t max_level, max_mb, max_width, max_height;
126  VdpChromaType type;
127  uint32_t width;
128  uint32_t height;
129 
130  vdctx->width = UINT32_MAX;
131  vdctx->height = UINT32_MAX;
132 
133  if (!hwctx) {
134  vdctx->device = VDP_INVALID_HANDLE;
135  av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
136  return 0;
137  }
138 
139  if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
140  vdctx->decoder = hwctx->context.decoder;
141  vdctx->render = hwctx->context.render;
142  vdctx->device = VDP_INVALID_HANDLE;
143  return 0; /* Decoder created by user */
144  }
145  hwctx->reset = 0;
146 
147  vdctx->device = hwctx->device;
148  vdctx->get_proc_address = hwctx->get_proc_address;
149 
150  if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
151  level = 0;
152  else if (level < 0)
153  return AVERROR(ENOTSUP);
154 
155  if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
156  return AVERROR(ENOSYS);
157 
158  if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
159  type != VDP_CHROMA_TYPE_420)
160  return AVERROR(ENOSYS);
161 
162  status = vdctx->get_proc_address(vdctx->device,
163  VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
164  &func);
165  if (status != VDP_STATUS_OK)
166  return vdpau_error(status);
167  else
168  surface_query_caps = func;
169 
170  status = surface_query_caps(vdctx->device, type, &supported,
171  &max_width, &max_height);
172  if (status != VDP_STATUS_OK)
173  return vdpau_error(status);
174  if (supported != VDP_TRUE ||
175  max_width < width || max_height < height)
176  return AVERROR(ENOTSUP);
177 
178  status = vdctx->get_proc_address(vdctx->device,
179  VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
180  &func);
181  if (status != VDP_STATUS_OK)
182  return vdpau_error(status);
183  else
184  decoder_query_caps = func;
185 
186  status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
187  &max_mb, &max_width, &max_height);
188 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
189  if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
190  /* Run-time backward compatibility for libvdpau 0.8 and earlier */
191  profile = VDP_DECODER_PROFILE_H264_MAIN;
192  status = decoder_query_caps(vdctx->device, profile, &supported,
193  &max_level, &max_mb,
194  &max_width, &max_height);
195  }
196 #endif
197  if (status != VDP_STATUS_OK)
198  return vdpau_error(status);
199 
200  if (supported != VDP_TRUE || max_level < level ||
201  max_width < width || max_height < height)
202  return AVERROR(ENOTSUP);
203 
204  status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
205  &func);
206  if (status != VDP_STATUS_OK)
207  return vdpau_error(status);
208  else
209  create = func;
210 
211  status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
212  &func);
213  if (status != VDP_STATUS_OK)
214  return vdpau_error(status);
215  else
216  vdctx->render = func;
217 
218  status = create(vdctx->device, profile, width, height, avctx->refs,
219  &vdctx->decoder);
220  if (status == VDP_STATUS_OK) {
221  vdctx->width = avctx->coded_width;
222  vdctx->height = avctx->coded_height;
223  }
224 
225  return vdpau_error(status);
226 }
227 
228 int ff_vdpau_common_uninit(AVCodecContext *avctx)
229 {
230  VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
231  VdpDecoderDestroy *destroy;
232  void *func;
233  VdpStatus status;
234 
235  if (vdctx->device == VDP_INVALID_HANDLE)
236  return 0; /* Decoder created and destroyed by user */
237  if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
238  return 0;
239 
240  status = vdctx->get_proc_address(vdctx->device,
241  VDP_FUNC_ID_DECODER_DESTROY, &func);
242  if (status != VDP_STATUS_OK)
243  return vdpau_error(status);
244  else
245  destroy = func;
246 
247  status = destroy(vdctx->decoder);
248  return vdpau_error(status);
249 }
250 
251 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
252 {
253  VDPAUHWContext *hwctx = avctx->hwaccel_context;
254  VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
255 
256  if (vdctx->device == VDP_INVALID_HANDLE)
257  return 0; /* Decoder created by user */
258  if (avctx->coded_width == vdctx->width &&
259  avctx->coded_height == vdctx->height && !hwctx->reset)
260  return 0;
261 
262  avctx->hwaccel->uninit(avctx);
263  return avctx->hwaccel->init(avctx);
264 }
265 
266 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
267  av_unused const uint8_t *buffer,
268  av_unused uint32_t size)
269 {
270  pic_ctx->bitstream_buffers_allocated = 0;
271  pic_ctx->bitstream_buffers_used = 0;
272  pic_ctx->bitstream_buffers = NULL;
273  return 0;
274 }
275 
276 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
277  struct vdpau_picture_context *pic_ctx)
278 {
279  VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
280  AVVDPAUContext *hwctx = avctx->hwaccel_context;
281  VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
282  VdpStatus status;
283  int val;
284 
285  val = ff_vdpau_common_reinit(avctx);
286  if (val < 0)
287  return val;
288 
289 #if FF_API_BUFS_VDPAU
290 FF_DISABLE_DEPRECATION_WARNINGS
291  av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
292  memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
293  hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
294  hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
295  hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
296 FF_ENABLE_DEPRECATION_WARNINGS
297 #endif
298 
299  if (!hwctx->render && hwctx->render2) {
300  status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
301  pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
302  } else
303  status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
304  pic_ctx->bitstream_buffers_used,
305  pic_ctx->bitstream_buffers);
306 
307  av_freep(&pic_ctx->bitstream_buffers);
308 
309 #if FF_API_BUFS_VDPAU
310 FF_DISABLE_DEPRECATION_WARNINGS
311  hwctx->bitstream_buffers = NULL;
312  hwctx->bitstream_buffers_used = 0;
313  hwctx->bitstream_buffers_allocated = 0;
314 FF_ENABLE_DEPRECATION_WARNINGS
315 #endif
316 
317  return vdpau_error(status);
318 }
319 
320 #if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \
321  CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
322  CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
323 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
324 {
325  MpegEncContext *s = avctx->priv_data;
326  Picture *pic = s->current_picture_ptr;
327  struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
328  int val;
329 
330  val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
331  if (val < 0)
332  return val;
333 
334  ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
335  return 0;
336 }
337 #endif
338 
339 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
340  const uint8_t *buf, uint32_t size)
341 {
342  VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
343 
344  buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
345  (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
346  if (!buffers)
347  return AVERROR(ENOMEM);
348 
349  pic_ctx->bitstream_buffers = buffers;
350  buffers += pic_ctx->bitstream_buffers_used++;
351 
352  buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
353  buffers->bitstream = buf;
354  buffers->bitstream_bytes = size;
355  return 0;
356 }
357 
358 /* Obsolete non-hwaccel VDPAU support below... */
359 
360 void ff_vdpau_h264_set_reference_frames(H264Context *h)
361 {
362  struct vdpau_render_state *render, *render_ref;
363  VdpReferenceFrameH264 *rf, *rf2;
364  H264Picture *pic;
365  int i, list, pic_frame_idx;
366 
367  render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
368  assert(render);
369 
370  rf = &render->info.h264.referenceFrames[0];
371 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
372 
373  for (list = 0; list < 2; ++list) {
374  H264Picture **lp = list ? h->long_ref : h->short_ref;
375  int ls = list ? 16 : h->short_ref_count;
376 
377  for (i = 0; i < ls; ++i) {
378  pic = lp[i];
379  if (!pic || !pic->reference)
380  continue;
381  pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
382 
383  render_ref = (struct vdpau_render_state *)pic->f.data[0];
384  assert(render_ref);
385 
386  rf2 = &render->info.h264.referenceFrames[0];
387  while (rf2 != rf) {
388  if (
389  (rf2->surface == render_ref->surface)
390  && (rf2->is_long_term == pic->long_ref)
391  && (rf2->frame_idx == pic_frame_idx)
392  )
393  break;
394  ++rf2;
395  }
396  if (rf2 != rf) {
397  rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
398  rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
399  continue;
400  }
401 
402  if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
403  continue;
404 
405  rf->surface = render_ref->surface;
406  rf->is_long_term = pic->long_ref;
407  rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
408  rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
409  rf->field_order_cnt[0] = pic->field_poc[0];
410  rf->field_order_cnt[1] = pic->field_poc[1];
411  rf->frame_idx = pic_frame_idx;
412 
413  ++rf;
414  }
415  }
416 
417  for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
418  rf->surface = VDP_INVALID_HANDLE;
419  rf->is_long_term = 0;
420  rf->top_is_reference = 0;
421  rf->bottom_is_reference = 0;
422  rf->field_order_cnt[0] = 0;
423  rf->field_order_cnt[1] = 0;
424  rf->frame_idx = 0;
425  }
426 }
427 
428 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
429 {
430  struct vdpau_render_state *render = (struct vdpau_render_state*)data;
431  assert(render);
432 
433  render->bitstream_buffers= av_fast_realloc(
434  render->bitstream_buffers,
435  &render->bitstream_buffers_allocated,
436  sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
437  );
438 
439  render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
440  render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
441  render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
442  render->bitstream_buffers_used++;
443 }
444 
445 #if CONFIG_H264_VDPAU_DECODER
446 void ff_vdpau_h264_picture_start(H264Context *h)
447 {
448  struct vdpau_render_state *render;
449  int i;
450 
451  render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
452  assert(render);
453 
454  for (i = 0; i < 2; ++i) {
455  int foc = h->cur_pic_ptr->field_poc[i];
456  if (foc == INT_MAX)
457  foc = 0;
458  render->info.h264.field_order_cnt[i] = foc;
459  }
460 
461  render->info.h264.frame_num = h->frame_num;
462 }
463 
464 void ff_vdpau_h264_picture_complete(H264Context *h)
465 {
466  struct vdpau_render_state *render;
467 
468  render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
469  assert(render);
470 
471  render->info.h264.slice_count = h->slice_num;
472  if (render->info.h264.slice_count < 1)
473  return;
474 
475  render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
476  render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
477  render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
478  render->info.h264.num_ref_frames = h->sps.ref_frame_count;
479  render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
480  render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
481  render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
482  render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
483  render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
484  render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
485  render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
486  render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
487  render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
488  render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
489  render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
490  render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
491  render->info.h264.pic_order_cnt_type = h->sps.poc_type;
492  render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
493  render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
494  render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
495  render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
496  render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
497  render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
498  render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
499  memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
500  memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
501  memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
502 
503  ff_h264_draw_horiz_band(h, 0, h->avctx->height);
504  render->bitstream_buffers_used = 0;
505 }
506 #endif /* CONFIG_H264_VDPAU_DECODER */
507 
508 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
509 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
510  int buf_size, int slice_count)
511 {
512  struct vdpau_render_state *render, *last, *next;
513  int i;
514 
515  if (!s->current_picture_ptr) return;
516 
517  render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
518  assert(render);
519 
520  /* fill VdpPictureInfoMPEG1Or2 struct */
521  render->info.mpeg.picture_structure = s->picture_structure;
522  render->info.mpeg.picture_coding_type = s->pict_type;
523  render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
524  render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
525  render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
526  render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
527  render->info.mpeg.alternate_scan = s->alternate_scan;
528  render->info.mpeg.q_scale_type = s->q_scale_type;
529  render->info.mpeg.top_field_first = s->top_field_first;
530  render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
531  render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
532  render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
533  render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
534  render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
535  render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
536  for (i = 0; i < 64; ++i) {
537  render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
538  render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
539  }
540 
541  render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
542  render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
543 
544  switch(s->pict_type){
545  case AV_PICTURE_TYPE_B:
546  next = (struct vdpau_render_state *)s->next_picture.f->data[0];
547  assert(next);
548  render->info.mpeg.backward_reference = next->surface;
549  // no return here, going to set forward prediction
550  case AV_PICTURE_TYPE_P:
551  last = (struct vdpau_render_state *)s->last_picture.f->data[0];
552  if (!last) // FIXME: Does this test make sense?
553  last = render; // predict second field from the first
554  render->info.mpeg.forward_reference = last->surface;
555  }
556 
557  ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
558 
559  render->info.mpeg.slice_count = slice_count;
560 
561  if (slice_count)
562  ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
563  render->bitstream_buffers_used = 0;
564 }
565 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
566 
567 #if CONFIG_VC1_VDPAU_DECODER
568 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
569  int buf_size)
570 {
571  VC1Context *v = s->avctx->priv_data;
572  struct vdpau_render_state *render, *last, *next;
573 
574  render = (struct vdpau_render_state *)s->current_picture.f->data[0];
575  assert(render);
576 
577  /* fill LvPictureInfoVC1 struct */
578  render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
579  render->info.vc1.postprocflag = v->postprocflag;
580  render->info.vc1.pulldown = v->broadcast;
581  render->info.vc1.interlace = v->interlace;
582  render->info.vc1.tfcntrflag = v->tfcntrflag;
583  render->info.vc1.finterpflag = v->finterpflag;
584  render->info.vc1.psf = v->psf;
585  render->info.vc1.dquant = v->dquant;
586  render->info.vc1.panscan_flag = v->panscanflag;
587  render->info.vc1.refdist_flag = v->refdist_flag;
588  render->info.vc1.quantizer = v->quantizer_mode;
589  render->info.vc1.extended_mv = v->extended_mv;
590  render->info.vc1.extended_dmv = v->extended_dmv;
591  render->info.vc1.overlap = v->overlap;
592  render->info.vc1.vstransform = v->vstransform;
593  render->info.vc1.loopfilter = v->s.loop_filter;
594  render->info.vc1.fastuvmc = v->fastuvmc;
595  render->info.vc1.range_mapy_flag = v->range_mapy_flag;
596  render->info.vc1.range_mapy = v->range_mapy;
597  render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
598  render->info.vc1.range_mapuv = v->range_mapuv;
599  /* Specific to simple/main profile only */
600  render->info.vc1.multires = v->multires;
601  render->info.vc1.syncmarker = v->resync_marker;
602  render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
603  render->info.vc1.maxbframes = v->s.max_b_frames;
604 
605  render->info.vc1.deblockEnable = v->postprocflag & 1;
606  render->info.vc1.pquant = v->pq;
607 
608  render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
609  render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
610 
611  if (v->bi_type)
612  render->info.vc1.picture_type = 4;
613  else
614  render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
615 
616  switch(s->pict_type){
617  case AV_PICTURE_TYPE_B:
618  next = (struct vdpau_render_state *)s->next_picture.f->data[0];
619  assert(next);
620  render->info.vc1.backward_reference = next->surface;
621  // no break here, going to set forward prediction
622  case AV_PICTURE_TYPE_P:
623  last = (struct vdpau_render_state *)s->last_picture.f->data[0];
624  if (!last) // FIXME: Does this test make sense?
625  last = render; // predict second field from the first
626  render->info.vc1.forward_reference = last->surface;
627  }
628 
629  ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
630 
631  render->info.vc1.slice_count = 1;
632 
633  ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
634  render->bitstream_buffers_used = 0;
635 }
636 #endif /* (CONFIG_VC1_VDPAU_DECODER */
637 
638 #if CONFIG_MPEG4_VDPAU_DECODER
639 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
640  int buf_size)
641 {
642  MpegEncContext *s = &ctx->m;
643  struct vdpau_render_state *render, *last, *next;
644  int i;
645 
646  if (!s->current_picture_ptr) return;
647 
648  render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
649  assert(render);
650 
651  /* fill VdpPictureInfoMPEG4Part2 struct */
652  render->info.mpeg4.trd[0] = s->pp_time;
653  render->info.mpeg4.trb[0] = s->pb_time;
654  render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
655  render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
656  render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
657  render->info.mpeg4.vop_coding_type = 0;
658  render->info.mpeg4.vop_fcode_forward = s->f_code;
659  render->info.mpeg4.vop_fcode_backward = s->b_code;
660  render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
661  render->info.mpeg4.interlaced = !s->progressive_sequence;
662  render->info.mpeg4.quant_type = s->mpeg_quant;
663  render->info.mpeg4.quarter_sample = s->quarter_sample;
664  render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
665  render->info.mpeg4.rounding_control = s->no_rounding;
666  render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
667  render->info.mpeg4.top_field_first = s->top_field_first;
668  for (i = 0; i < 64; ++i) {
669  render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
670  render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
671  }
672  render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
673  render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
674 
675  switch (s->pict_type) {
676  case AV_PICTURE_TYPE_B:
677  next = (struct vdpau_render_state *)s->next_picture.f->data[0];
678  assert(next);
679  render->info.mpeg4.backward_reference = next->surface;
680  render->info.mpeg4.vop_coding_type = 2;
681  // no break here, going to set forward prediction
682  case AV_PICTURE_TYPE_P:
683  last = (struct vdpau_render_state *)s->last_picture.f->data[0];
684  assert(last);
685  render->info.mpeg4.forward_reference = last->surface;
686  }
687 
688  ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
689 
690  ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
691  render->bitstream_buffers_used = 0;
692 }
693 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
694 
695 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
696 {
697 #define PROFILE(prof) \
698 do { \
699  *profile = VDP_DECODER_PROFILE_##prof; \
700  return 0; \
701 } while (0)
702 
703  switch (avctx->codec_id) {
704  case AV_CODEC_ID_MPEG1VIDEO: PROFILE(MPEG1);
705  case AV_CODEC_ID_MPEG2VIDEO:
706  switch (avctx->profile) {
707  case FF_PROFILE_MPEG2_MAIN: PROFILE(MPEG2_MAIN);
708  case FF_PROFILE_MPEG2_SIMPLE: PROFILE(MPEG2_SIMPLE);
709  default: return AVERROR(EINVAL);
710  }
711  case AV_CODEC_ID_H263: PROFILE(MPEG4_PART2_ASP);
712  case AV_CODEC_ID_MPEG4:
713  switch (avctx->profile) {
714  case FF_PROFILE_MPEG4_SIMPLE: PROFILE(MPEG4_PART2_SP);
715  case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
716  default: return AVERROR(EINVAL);
717  }
718  case AV_CODEC_ID_H264:
719  switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
720  case FF_PROFILE_H264_BASELINE: PROFILE(H264_BASELINE);
721  case FF_PROFILE_H264_CONSTRAINED_BASELINE:
722  case FF_PROFILE_H264_MAIN: PROFILE(H264_MAIN);
723  case FF_PROFILE_H264_HIGH: PROFILE(H264_HIGH);
724 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
725  case FF_PROFILE_H264_EXTENDED: PROFILE(H264_EXTENDED);
726 #endif
727  default: return AVERROR(EINVAL);
728  }
729  case AV_CODEC_ID_WMV3:
730  case AV_CODEC_ID_VC1:
731  switch (avctx->profile) {
732  case FF_PROFILE_VC1_SIMPLE: PROFILE(VC1_SIMPLE);
733  case FF_PROFILE_VC1_MAIN: PROFILE(VC1_MAIN);
734  case FF_PROFILE_VC1_ADVANCED: PROFILE(VC1_ADVANCED);
735  default: return AVERROR(EINVAL);
736  }
737  }
738  return AVERROR(EINVAL);
739 #undef PROFILE
740 }
741 
742 AVVDPAUContext *av_vdpau_alloc_context(void)
743 {
744  return av_mallocz(sizeof(AVVDPAUContext));
745 }
746 
747 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
748  VdpGetProcAddress *get_proc, unsigned flags)
749 {
750  VDPAUHWContext *hwctx;
751 
752  if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
753  return AVERROR(EINVAL);
754 
755  if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
756  return AVERROR(ENOMEM);
757 
758  hwctx = avctx->hwaccel_context;
759 
760  memset(hwctx, 0, sizeof(*hwctx));
761  hwctx->context.decoder = VDP_INVALID_HANDLE;
762  hwctx->device = device;
763  hwctx->get_proc_address = get_proc;
764  hwctx->flags = flags;
765  hwctx->reset = 1;
766  return 0;
767 }
768 
769 /* @}*/
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