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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 
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 
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 
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 
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
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;
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
263  hwctx->bitstream_buffers = NULL;
264  hwctx->bitstream_buffers_used = 0;
265  hwctx->bitstream_buffers_allocated = 0;
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
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 
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 
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 
386  render->bitstream_buffers,
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
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 
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 
456  render->bitstream_buffers_used = 0;
457 }
458 #endif /* CONFIG_H264_VDPAU_DECODER */
459 
460 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
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)
515  render->bitstream_buffers_used = 0;
516 }
517 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
518 
519 #if CONFIG_VC1_VDPAU_DECODER
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 
586  render->bitstream_buffers_used = 0;
587 }
588 #endif /* (CONFIG_VC1_VDPAU_DECODER */
589 
590 #if CONFIG_MPEG4_VDPAU_DECODER
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 
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);
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);
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 
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 /* @}*/