Merge commit '1f9237f2ac46dfbed1bfa1f4f0f1314c2a1d62ec'
[ffmpeg.git] / 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 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     hwctx->info = pic_ctx->info;
292     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
293     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
294     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
295 FF_ENABLE_DEPRECATION_WARNINGS
296 #endif
297
298     if (!hwctx->render && hwctx->render2) {
299         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
300                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
301     } else
302     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
303                            pic_ctx->bitstream_buffers_used,
304                            pic_ctx->bitstream_buffers);
305
306     av_freep(&pic_ctx->bitstream_buffers);
307
308 #if FF_API_BUFS_VDPAU
309 FF_DISABLE_DEPRECATION_WARNINGS
310     hwctx->bitstream_buffers = NULL;
311     hwctx->bitstream_buffers_used = 0;
312     hwctx->bitstream_buffers_allocated = 0;
313 FF_ENABLE_DEPRECATION_WARNINGS
314 #endif
315
316     return vdpau_error(status);
317 }
318
319 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
320     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
321     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
322 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
323 {
324     MpegEncContext *s = avctx->priv_data;
325     Picture *pic = s->current_picture_ptr;
326     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
327     int val;
328
329     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
330     if (val < 0)
331         return val;
332
333     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
334     return 0;
335 }
336 #endif
337
338 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
339                         const uint8_t *buf, uint32_t size)
340 {
341     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
342
343     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
344                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
345     if (!buffers)
346         return AVERROR(ENOMEM);
347
348     pic_ctx->bitstream_buffers = buffers;
349     buffers += pic_ctx->bitstream_buffers_used++;
350
351     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
352     buffers->bitstream       = buf;
353     buffers->bitstream_bytes = size;
354     return 0;
355 }
356
357 /* Obsolete non-hwaccel VDPAU support below... */
358
359 void ff_vdpau_h264_set_reference_frames(H264Context *h)
360 {
361     struct vdpau_render_state *render, *render_ref;
362     VdpReferenceFrameH264 *rf, *rf2;
363     H264Picture *pic;
364     int i, list, pic_frame_idx;
365
366     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
367     assert(render);
368
369     rf = &render->info.h264.referenceFrames[0];
370 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
371
372     for (list = 0; list < 2; ++list) {
373         H264Picture **lp = list ? h->long_ref : h->short_ref;
374         int ls = list ? 16 : h->short_ref_count;
375
376         for (i = 0; i < ls; ++i) {
377             pic = lp[i];
378             if (!pic || !pic->reference)
379                 continue;
380             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
381
382             render_ref = (struct vdpau_render_state *)pic->f.data[0];
383             assert(render_ref);
384
385             rf2 = &render->info.h264.referenceFrames[0];
386             while (rf2 != rf) {
387                 if (
388                     (rf2->surface == render_ref->surface)
389                     && (rf2->is_long_term == pic->long_ref)
390                     && (rf2->frame_idx == pic_frame_idx)
391                 )
392                     break;
393                 ++rf2;
394             }
395             if (rf2 != rf) {
396                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
397                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
398                 continue;
399             }
400
401             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
402                 continue;
403
404             rf->surface             = render_ref->surface;
405             rf->is_long_term        = pic->long_ref;
406             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
407             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
408             rf->field_order_cnt[0]  = pic->field_poc[0];
409             rf->field_order_cnt[1]  = pic->field_poc[1];
410             rf->frame_idx           = pic_frame_idx;
411
412             ++rf;
413         }
414     }
415
416     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
417         rf->surface             = VDP_INVALID_HANDLE;
418         rf->is_long_term        = 0;
419         rf->top_is_reference    = 0;
420         rf->bottom_is_reference = 0;
421         rf->field_order_cnt[0]  = 0;
422         rf->field_order_cnt[1]  = 0;
423         rf->frame_idx           = 0;
424     }
425 }
426
427 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
428 {
429     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
430     assert(render);
431
432     render->bitstream_buffers= av_fast_realloc(
433         render->bitstream_buffers,
434         &render->bitstream_buffers_allocated,
435         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
436     );
437
438     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
439     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
440     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
441     render->bitstream_buffers_used++;
442 }
443
444 #if CONFIG_H264_VDPAU_DECODER
445 void ff_vdpau_h264_picture_start(H264Context *h)
446 {
447     struct vdpau_render_state *render;
448     int i;
449
450     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
451     assert(render);
452
453     for (i = 0; i < 2; ++i) {
454         int foc = h->cur_pic_ptr->field_poc[i];
455         if (foc == INT_MAX)
456             foc = 0;
457         render->info.h264.field_order_cnt[i] = foc;
458     }
459
460     render->info.h264.frame_num = h->frame_num;
461 }
462
463 void ff_vdpau_h264_picture_complete(H264Context *h)
464 {
465     struct vdpau_render_state *render;
466
467     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
468     assert(render);
469
470     render->info.h264.slice_count = h->slice_num;
471     if (render->info.h264.slice_count < 1)
472         return;
473
474     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
475     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
476     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
477     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
478     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
479     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
480     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
481     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
482     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
483     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
484     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
485     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
486     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
487     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
488     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
489     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
490     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
491     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
492     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
493     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
494     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
495     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
496     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
497     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
498     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
499     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
500     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
501
502     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
503     render->bitstream_buffers_used = 0;
504 }
505 #endif /* CONFIG_H264_VDPAU_DECODER */
506
507 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
508 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
509                                     int buf_size, int slice_count)
510 {
511     struct vdpau_render_state *render, *last, *next;
512     int i;
513
514     if (!s->current_picture_ptr) return;
515
516     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
517     assert(render);
518
519     /* fill VdpPictureInfoMPEG1Or2 struct */
520     render->info.mpeg.picture_structure          = s->picture_structure;
521     render->info.mpeg.picture_coding_type        = s->pict_type;
522     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
523     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
524     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
525     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
526     render->info.mpeg.alternate_scan             = s->alternate_scan;
527     render->info.mpeg.q_scale_type               = s->q_scale_type;
528     render->info.mpeg.top_field_first            = s->top_field_first;
529     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
530     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
531     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
532     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
533     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
534     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
535     for (i = 0; i < 64; ++i) {
536         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
537         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
538     }
539
540     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
541     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
542
543     switch(s->pict_type){
544     case  AV_PICTURE_TYPE_B:
545         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
546         assert(next);
547         render->info.mpeg.backward_reference     = next->surface;
548         // no return here, going to set forward prediction
549     case  AV_PICTURE_TYPE_P:
550         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
551         if (!last) // FIXME: Does this test make sense?
552             last = render; // predict second field from the first
553         render->info.mpeg.forward_reference      = last->surface;
554     }
555
556     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
557
558     render->info.mpeg.slice_count                = slice_count;
559
560     if (slice_count)
561         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
562     render->bitstream_buffers_used               = 0;
563 }
564 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
565
566 #if CONFIG_VC1_VDPAU_DECODER
567 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
568                                  int buf_size)
569 {
570     VC1Context *v = s->avctx->priv_data;
571     struct vdpau_render_state *render, *last, *next;
572
573     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
574     assert(render);
575
576     /*  fill LvPictureInfoVC1 struct */
577     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
578     render->info.vc1.postprocflag       = v->postprocflag;
579     render->info.vc1.pulldown           = v->broadcast;
580     render->info.vc1.interlace          = v->interlace;
581     render->info.vc1.tfcntrflag         = v->tfcntrflag;
582     render->info.vc1.finterpflag        = v->finterpflag;
583     render->info.vc1.psf                = v->psf;
584     render->info.vc1.dquant             = v->dquant;
585     render->info.vc1.panscan_flag       = v->panscanflag;
586     render->info.vc1.refdist_flag       = v->refdist_flag;
587     render->info.vc1.quantizer          = v->quantizer_mode;
588     render->info.vc1.extended_mv        = v->extended_mv;
589     render->info.vc1.extended_dmv       = v->extended_dmv;
590     render->info.vc1.overlap            = v->overlap;
591     render->info.vc1.vstransform        = v->vstransform;
592     render->info.vc1.loopfilter         = v->s.loop_filter;
593     render->info.vc1.fastuvmc           = v->fastuvmc;
594     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
595     render->info.vc1.range_mapy         = v->range_mapy;
596     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
597     render->info.vc1.range_mapuv        = v->range_mapuv;
598     /* Specific to simple/main profile only */
599     render->info.vc1.multires           = v->multires;
600     render->info.vc1.syncmarker         = v->resync_marker;
601     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
602     render->info.vc1.maxbframes         = v->s.max_b_frames;
603
604     render->info.vc1.deblockEnable      = v->postprocflag & 1;
605     render->info.vc1.pquant             = v->pq;
606
607     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
608     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
609
610     if (v->bi_type)
611         render->info.vc1.picture_type = 4;
612     else
613         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
614
615     switch(s->pict_type){
616     case  AV_PICTURE_TYPE_B:
617         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
618         assert(next);
619         render->info.vc1.backward_reference = next->surface;
620         // no break here, going to set forward prediction
621     case  AV_PICTURE_TYPE_P:
622         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
623         if (!last) // FIXME: Does this test make sense?
624             last = render; // predict second field from the first
625         render->info.vc1.forward_reference = last->surface;
626     }
627
628     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
629
630     render->info.vc1.slice_count          = 1;
631
632     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
633     render->bitstream_buffers_used        = 0;
634 }
635 #endif /* (CONFIG_VC1_VDPAU_DECODER */
636
637 #if CONFIG_MPEG4_VDPAU_DECODER
638 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
639                                    int buf_size)
640 {
641     MpegEncContext *s = &ctx->m;
642     struct vdpau_render_state *render, *last, *next;
643     int i;
644
645     if (!s->current_picture_ptr) return;
646
647     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
648     assert(render);
649
650     /* fill VdpPictureInfoMPEG4Part2 struct */
651     render->info.mpeg4.trd[0]                            = s->pp_time;
652     render->info.mpeg4.trb[0]                            = s->pb_time;
653     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
654     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
655     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
656     render->info.mpeg4.vop_coding_type                   = 0;
657     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
658     render->info.mpeg4.vop_fcode_backward                = s->b_code;
659     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
660     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
661     render->info.mpeg4.quant_type                        = s->mpeg_quant;
662     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
663     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
664     render->info.mpeg4.rounding_control                  = s->no_rounding;
665     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
666     render->info.mpeg4.top_field_first                   = s->top_field_first;
667     for (i = 0; i < 64; ++i) {
668         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
669         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
670     }
671     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
672     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
673
674     switch (s->pict_type) {
675     case AV_PICTURE_TYPE_B:
676         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
677         assert(next);
678         render->info.mpeg4.backward_reference     = next->surface;
679         render->info.mpeg4.vop_coding_type        = 2;
680         // no break here, going to set forward prediction
681     case AV_PICTURE_TYPE_P:
682         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
683         assert(last);
684         render->info.mpeg4.forward_reference      = last->surface;
685     }
686
687     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
688
689     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
690     render->bitstream_buffers_used = 0;
691 }
692 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
693
694 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
695 {
696 #define PROFILE(prof)                      \
697 do {                                       \
698     *profile = VDP_DECODER_PROFILE_##prof; \
699     return 0;                              \
700 } while (0)
701
702     switch (avctx->codec_id) {
703     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
704     case AV_CODEC_ID_MPEG2VIDEO:
705         switch (avctx->profile) {
706         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
707         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
708         default:                               return AVERROR(EINVAL);
709         }
710     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
711     case AV_CODEC_ID_MPEG4:
712         switch (avctx->profile) {
713         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
714         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
715         default:                               return AVERROR(EINVAL);
716         }
717     case AV_CODEC_ID_H264:
718         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
719         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
720         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
721         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
722         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
723 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
724         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
725 #endif
726         default:                               return AVERROR(EINVAL);
727         }
728     case AV_CODEC_ID_WMV3:
729     case AV_CODEC_ID_VC1:
730         switch (avctx->profile) {
731         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
732         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
733         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
734         default:                               return AVERROR(EINVAL);
735         }
736     }
737     return AVERROR(EINVAL);
738 #undef PROFILE
739 }
740
741 AVVDPAUContext *av_vdpau_alloc_context(void)
742 {
743     return av_mallocz(sizeof(AVVDPAUContext));
744 }
745
746 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
747                           VdpGetProcAddress *get_proc, unsigned flags)
748 {
749     VDPAUHWContext *hwctx;
750
751     if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
752         return AVERROR(EINVAL);
753
754     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
755         return AVERROR(ENOMEM);
756
757     hwctx = avctx->hwaccel_context;
758
759     memset(hwctx, 0, sizeof(*hwctx));
760     hwctx->context.decoder  = VDP_INVALID_HANDLE;
761     hwctx->device           = device;
762     hwctx->get_proc_address = get_proc;
763     hwctx->flags            = flags;
764     hwctx->reset            = 1;
765     return 0;
766 }
767
768 /* @}*/