libavcodec/libvpx: Add VPx alpha decode support
[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
26 #include "avcodec.h"
27 #include "internal.h"
28 #include "h264.h"
29 #include "vc1.h"
30 #include "vdpau.h"
31 #include "vdpau_compat.h"
32 #include "vdpau_internal.h"
33
34 // XXX: at the time of adding this ifdefery, av_assert* wasn't use outside.
35 // When dropping it, make sure other av_assert* were not added since then.
36 #if FF_API_BUFS_VDPAU
37 #include "libavutil/avassert.h"
38 #endif
39
40 #if FF_API_VDPAU
41 #undef NDEBUG
42 #include <assert.h>
43 #endif
44
45 /**
46  * @addtogroup VDPAU_Decoding
47  *
48  * @{
49  */
50
51 static int vdpau_error(VdpStatus status)
52 {
53     switch (status) {
54     case VDP_STATUS_OK:
55         return 0;
56     case VDP_STATUS_NO_IMPLEMENTATION:
57         return AVERROR(ENOSYS);
58     case VDP_STATUS_DISPLAY_PREEMPTED:
59         return AVERROR(EIO);
60     case VDP_STATUS_INVALID_HANDLE:
61         return AVERROR(EBADF);
62     case VDP_STATUS_INVALID_POINTER:
63         return AVERROR(EFAULT);
64     case VDP_STATUS_RESOURCES:
65         return AVERROR(ENOBUFS);
66     case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
67         return AVERROR(EXDEV);
68     case VDP_STATUS_ERROR:
69         return AVERROR(EIO);
70     default:
71         return AVERROR(EINVAL);
72     }
73 }
74
75 AVVDPAUContext *av_alloc_vdpaucontext(void)
76 {
77     return av_vdpau_alloc_context();
78 }
79
80 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
81
82 int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
83                                     VdpChromaType *type,
84                                     uint32_t *width, uint32_t *height)
85 {
86     VdpChromaType t;
87     uint32_t w = avctx->coded_width;
88     uint32_t h = avctx->coded_height;
89
90     /* See <vdpau/vdpau.h> for per-type alignment constraints. */
91     switch (avctx->sw_pix_fmt) {
92     case AV_PIX_FMT_YUV420P:
93     case AV_PIX_FMT_YUVJ420P:
94         t = VDP_CHROMA_TYPE_420;
95         w = (w + 1) & ~1;
96         h = (h + 3) & ~3;
97         break;
98     case AV_PIX_FMT_YUV422P:
99     case AV_PIX_FMT_YUVJ422P:
100         t = VDP_CHROMA_TYPE_422;
101         w = (w + 1) & ~1;
102         h = (h + 1) & ~1;
103         break;
104     case AV_PIX_FMT_YUV444P:
105     case AV_PIX_FMT_YUVJ444P:
106         t = VDP_CHROMA_TYPE_444;
107         h = (h + 1) & ~1;
108         break;
109     default:
110         return AVERROR(ENOSYS);
111     }
112
113     if (type)
114         *type = t;
115     if (width)
116         *width = w;
117     if (height)
118         *height = h;
119     return 0;
120 }
121
122 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
123                          int level)
124 {
125     VDPAUHWContext *hwctx = avctx->hwaccel_context;
126     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
127     VdpVideoSurfaceQueryCapabilities *surface_query_caps;
128     VdpDecoderQueryCapabilities *decoder_query_caps;
129     VdpDecoderCreate *create;
130     void *func;
131     VdpStatus status;
132     VdpBool supported;
133     uint32_t max_level, max_mb, max_width, max_height;
134     VdpChromaType type;
135     uint32_t width;
136     uint32_t height;
137
138     vdctx->width            = UINT32_MAX;
139     vdctx->height           = UINT32_MAX;
140
141     if (!hwctx) {
142         vdctx->device  = VDP_INVALID_HANDLE;
143         av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
144         return 0;
145     }
146
147     if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
148         vdctx->decoder = hwctx->context.decoder;
149         vdctx->render  = hwctx->context.render;
150         vdctx->device  = VDP_INVALID_HANDLE;
151         return 0; /* Decoder created by user */
152     }
153     hwctx->reset            = 0;
154
155     vdctx->device           = hwctx->device;
156     vdctx->get_proc_address = hwctx->get_proc_address;
157
158     if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
159         level = 0;
160     else if (level < 0)
161         return AVERROR(ENOTSUP);
162
163     if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
164         return AVERROR(ENOSYS);
165
166     if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
167         type != VDP_CHROMA_TYPE_420)
168         return AVERROR(ENOSYS);
169
170     status = vdctx->get_proc_address(vdctx->device,
171                                      VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
172                                      &func);
173     if (status != VDP_STATUS_OK)
174         return vdpau_error(status);
175     else
176         surface_query_caps = func;
177
178     status = surface_query_caps(vdctx->device, type, &supported,
179                                 &max_width, &max_height);
180     if (status != VDP_STATUS_OK)
181         return vdpau_error(status);
182     if (supported != VDP_TRUE ||
183         max_width < width || max_height < height)
184         return AVERROR(ENOTSUP);
185
186     status = vdctx->get_proc_address(vdctx->device,
187                                      VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
188                                      &func);
189     if (status != VDP_STATUS_OK)
190         return vdpau_error(status);
191     else
192         decoder_query_caps = func;
193
194     status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
195                                 &max_mb, &max_width, &max_height);
196 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
197     if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
198         profile = VDP_DECODER_PROFILE_H264_MAIN;
199         status = decoder_query_caps(vdctx->device, profile, &supported,
200                                     &max_level, &max_mb,
201                                     &max_width, &max_height);
202     }
203 #endif
204     if (status != VDP_STATUS_OK)
205         return vdpau_error(status);
206
207     if (supported != VDP_TRUE || max_level < level ||
208         max_width < width || max_height < height)
209         return AVERROR(ENOTSUP);
210
211     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
212                                      &func);
213     if (status != VDP_STATUS_OK)
214         return vdpau_error(status);
215     else
216         create = func;
217
218     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
219                                      &func);
220     if (status != VDP_STATUS_OK)
221         return vdpau_error(status);
222     else
223         vdctx->render = func;
224
225     status = create(vdctx->device, profile, width, height, avctx->refs,
226                     &vdctx->decoder);
227     if (status == VDP_STATUS_OK) {
228         vdctx->width  = avctx->coded_width;
229         vdctx->height = avctx->coded_height;
230     }
231
232     return vdpau_error(status);
233 }
234
235 int ff_vdpau_common_uninit(AVCodecContext *avctx)
236 {
237     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
238     VdpDecoderDestroy *destroy;
239     void *func;
240     VdpStatus status;
241
242     if (vdctx->device == VDP_INVALID_HANDLE)
243         return 0; /* Decoder created and destroyed by user */
244     if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
245         return 0;
246
247     status = vdctx->get_proc_address(vdctx->device,
248                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
249     if (status != VDP_STATUS_OK)
250         return vdpau_error(status);
251     else
252         destroy = func;
253
254     status = destroy(vdctx->decoder);
255     return vdpau_error(status);
256 }
257
258 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
259 {
260     VDPAUHWContext *hwctx = avctx->hwaccel_context;
261     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
262
263     if (vdctx->device == VDP_INVALID_HANDLE)
264         return 0; /* Decoder created by user */
265     if (avctx->coded_width == vdctx->width &&
266         avctx->coded_height == vdctx->height && !hwctx->reset)
267         return 0;
268
269     avctx->hwaccel->uninit(avctx);
270     return avctx->hwaccel->init(avctx);
271 }
272
273 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
274                                 av_unused const uint8_t *buffer,
275                                 av_unused uint32_t size)
276 {
277     pic_ctx->bitstream_buffers_allocated = 0;
278     pic_ctx->bitstream_buffers_used      = 0;
279     pic_ctx->bitstream_buffers           = NULL;
280     return 0;
281 }
282
283 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
284                               struct vdpau_picture_context *pic_ctx)
285 {
286     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
287     AVVDPAUContext *hwctx = avctx->hwaccel_context;
288     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
289     VdpStatus status;
290     int val;
291
292     val = ff_vdpau_common_reinit(avctx);
293     if (val < 0)
294         return val;
295
296 #if FF_API_BUFS_VDPAU
297 FF_DISABLE_DEPRECATION_WARNINGS
298     av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
299     memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
300     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
301     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
302     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
303 FF_ENABLE_DEPRECATION_WARNINGS
304 #endif
305
306     if (!hwctx->render && hwctx->render2) {
307         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
308                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
309     } else
310     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
311                            pic_ctx->bitstream_buffers_used,
312                            pic_ctx->bitstream_buffers);
313
314     av_freep(&pic_ctx->bitstream_buffers);
315
316 #if FF_API_BUFS_VDPAU
317 FF_DISABLE_DEPRECATION_WARNINGS
318     hwctx->bitstream_buffers = NULL;
319     hwctx->bitstream_buffers_used = 0;
320     hwctx->bitstream_buffers_allocated = 0;
321 FF_ENABLE_DEPRECATION_WARNINGS
322 #endif
323
324     return vdpau_error(status);
325 }
326
327 #if CONFIG_MPEG1_VDPAU_HWACCEL || \
328     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
329     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
330 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
331 {
332     MpegEncContext *s = avctx->priv_data;
333     Picture *pic = s->current_picture_ptr;
334     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
335     int val;
336
337     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
338     if (val < 0)
339         return val;
340
341     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
342     return 0;
343 }
344 #endif
345
346 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
347                         const uint8_t *buf, uint32_t size)
348 {
349     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
350
351     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
352                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
353     if (!buffers)
354         return AVERROR(ENOMEM);
355
356     pic_ctx->bitstream_buffers = buffers;
357     buffers += pic_ctx->bitstream_buffers_used++;
358
359     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
360     buffers->bitstream       = buf;
361     buffers->bitstream_bytes = size;
362     return 0;
363 }
364
365 /* Obsolete non-hwaccel VDPAU support below... */
366
367 #if FF_API_VDPAU
368 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
369 {
370     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
371     assert(render);
372
373     render->bitstream_buffers= av_fast_realloc(
374         render->bitstream_buffers,
375         &render->bitstream_buffers_allocated,
376         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
377     );
378
379     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
380     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
381     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
382     render->bitstream_buffers_used++;
383 }
384
385 #if CONFIG_H264_VDPAU_DECODER
386 void ff_vdpau_h264_set_reference_frames(H264Context *h)
387 {
388     struct vdpau_render_state *render, *render_ref;
389     VdpReferenceFrameH264 *rf, *rf2;
390     H264Picture *pic;
391     int i, list, pic_frame_idx;
392
393     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
394     assert(render);
395
396     rf = &render->info.h264.referenceFrames[0];
397 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
398
399     for (list = 0; list < 2; ++list) {
400         H264Picture **lp = list ? h->long_ref : h->short_ref;
401         int ls = list ? 16 : h->short_ref_count;
402
403         for (i = 0; i < ls; ++i) {
404             pic = lp[i];
405             if (!pic || !pic->reference)
406                 continue;
407             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
408
409             render_ref = (struct vdpau_render_state *)pic->f->data[0];
410             assert(render_ref);
411
412             rf2 = &render->info.h264.referenceFrames[0];
413             while (rf2 != rf) {
414                 if (
415                     (rf2->surface == render_ref->surface)
416                     && (rf2->is_long_term == pic->long_ref)
417                     && (rf2->frame_idx == pic_frame_idx)
418                 )
419                     break;
420                 ++rf2;
421             }
422             if (rf2 != rf) {
423                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
424                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
425                 continue;
426             }
427
428             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
429                 continue;
430
431             rf->surface             = render_ref->surface;
432             rf->is_long_term        = pic->long_ref;
433             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
434             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
435             rf->field_order_cnt[0]  = pic->field_poc[0];
436             rf->field_order_cnt[1]  = pic->field_poc[1];
437             rf->frame_idx           = pic_frame_idx;
438
439             ++rf;
440         }
441     }
442
443     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
444         rf->surface             = VDP_INVALID_HANDLE;
445         rf->is_long_term        = 0;
446         rf->top_is_reference    = 0;
447         rf->bottom_is_reference = 0;
448         rf->field_order_cnt[0]  = 0;
449         rf->field_order_cnt[1]  = 0;
450         rf->frame_idx           = 0;
451     }
452 }
453
454 void ff_vdpau_h264_picture_start(H264Context *h)
455 {
456     struct vdpau_render_state *render;
457     int i;
458
459     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
460     assert(render);
461
462     for (i = 0; i < 2; ++i) {
463         int foc = h->cur_pic_ptr->field_poc[i];
464         if (foc == INT_MAX)
465             foc = 0;
466         render->info.h264.field_order_cnt[i] = foc;
467     }
468
469     render->info.h264.frame_num = h->poc.frame_num;
470 }
471
472 void ff_vdpau_h264_picture_complete(H264Context *h)
473 {
474     struct vdpau_render_state *render;
475
476     render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
477     assert(render);
478
479     render->info.h264.slice_count = h->current_slice;
480     if (render->info.h264.slice_count < 1)
481         return;
482
483     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
484     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
485     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
486     render->info.h264.num_ref_frames                         = h->ps.sps->ref_frame_count;
487     render->info.h264.mb_adaptive_frame_field_flag           = h->ps.sps->mb_aff && !render->info.h264.field_pic_flag;
488     render->info.h264.constrained_intra_pred_flag            = h->ps.pps->constrained_intra_pred;
489     render->info.h264.weighted_pred_flag                     = h->ps.pps->weighted_pred;
490     render->info.h264.weighted_bipred_idc                    = h->ps.pps->weighted_bipred_idc;
491     render->info.h264.frame_mbs_only_flag                    = h->ps.sps->frame_mbs_only_flag;
492     render->info.h264.transform_8x8_mode_flag                = h->ps.pps->transform_8x8_mode;
493     render->info.h264.chroma_qp_index_offset                 = h->ps.pps->chroma_qp_index_offset[0];
494     render->info.h264.second_chroma_qp_index_offset          = h->ps.pps->chroma_qp_index_offset[1];
495     render->info.h264.pic_init_qp_minus26                    = h->ps.pps->init_qp - 26;
496     render->info.h264.num_ref_idx_l0_active_minus1           = h->ps.pps->ref_count[0] - 1;
497     render->info.h264.num_ref_idx_l1_active_minus1           = h->ps.pps->ref_count[1] - 1;
498     render->info.h264.log2_max_frame_num_minus4              = h->ps.sps->log2_max_frame_num - 4;
499     render->info.h264.pic_order_cnt_type                     = h->ps.sps->poc_type;
500     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->ps.sps->poc_type ? 0 : h->ps.sps->log2_max_poc_lsb - 4;
501     render->info.h264.delta_pic_order_always_zero_flag       = h->ps.sps->delta_pic_order_always_zero_flag;
502     render->info.h264.direct_8x8_inference_flag              = h->ps.sps->direct_8x8_inference_flag;
503     render->info.h264.entropy_coding_mode_flag               = h->ps.pps->cabac;
504     render->info.h264.pic_order_present_flag                 = h->ps.pps->pic_order_present;
505     render->info.h264.deblocking_filter_control_present_flag = h->ps.pps->deblocking_filter_parameters_present;
506     render->info.h264.redundant_pic_cnt_present_flag         = h->ps.pps->redundant_pic_cnt_present;
507     memcpy(render->info.h264.scaling_lists_4x4, h->ps.pps->scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
508     memcpy(render->info.h264.scaling_lists_8x8[0], h->ps.pps->scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
509     memcpy(render->info.h264.scaling_lists_8x8[1], h->ps.pps->scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
510
511     ff_h264_draw_horiz_band(h, &h->slice_ctx[0], 0, h->avctx->height);
512     render->bitstream_buffers_used = 0;
513 }
514 #endif /* CONFIG_H264_VDPAU_DECODER */
515
516 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
517 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
518                                     int buf_size, int slice_count)
519 {
520     struct vdpau_render_state *render, *last, *next;
521     int i;
522
523     if (!s->current_picture_ptr) return;
524
525     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
526     assert(render);
527
528     /* fill VdpPictureInfoMPEG1Or2 struct */
529     render->info.mpeg.picture_structure          = s->picture_structure;
530     render->info.mpeg.picture_coding_type        = s->pict_type;
531     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
532     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
533     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
534     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
535     render->info.mpeg.alternate_scan             = s->alternate_scan;
536     render->info.mpeg.q_scale_type               = s->q_scale_type;
537     render->info.mpeg.top_field_first            = s->top_field_first;
538     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
539     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
540     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
541     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
542     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
543     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
544     for (i = 0; i < 64; ++i) {
545         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
546         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
547     }
548
549     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
550     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
551
552     switch(s->pict_type){
553     case  AV_PICTURE_TYPE_B:
554         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
555         assert(next);
556         render->info.mpeg.backward_reference     = next->surface;
557         // no return here, going to set forward prediction
558     case  AV_PICTURE_TYPE_P:
559         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
560         if (!last) // FIXME: Does this test make sense?
561             last = render; // predict second field from the first
562         render->info.mpeg.forward_reference      = last->surface;
563     }
564
565     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
566
567     render->info.mpeg.slice_count                = slice_count;
568
569     if (slice_count)
570         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
571     render->bitstream_buffers_used               = 0;
572 }
573 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
574
575 #if CONFIG_VC1_VDPAU_DECODER
576 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
577                                  int buf_size)
578 {
579     VC1Context *v = s->avctx->priv_data;
580     struct vdpau_render_state *render, *last, *next;
581
582     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
583     assert(render);
584
585     /*  fill LvPictureInfoVC1 struct */
586     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
587     render->info.vc1.postprocflag       = v->postprocflag;
588     render->info.vc1.pulldown           = v->broadcast;
589     render->info.vc1.interlace          = v->interlace;
590     render->info.vc1.tfcntrflag         = v->tfcntrflag;
591     render->info.vc1.finterpflag        = v->finterpflag;
592     render->info.vc1.psf                = v->psf;
593     render->info.vc1.dquant             = v->dquant;
594     render->info.vc1.panscan_flag       = v->panscanflag;
595     render->info.vc1.refdist_flag       = v->refdist_flag;
596     render->info.vc1.quantizer          = v->quantizer_mode;
597     render->info.vc1.extended_mv        = v->extended_mv;
598     render->info.vc1.extended_dmv       = v->extended_dmv;
599     render->info.vc1.overlap            = v->overlap;
600     render->info.vc1.vstransform        = v->vstransform;
601     render->info.vc1.loopfilter         = v->s.loop_filter;
602     render->info.vc1.fastuvmc           = v->fastuvmc;
603     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
604     render->info.vc1.range_mapy         = v->range_mapy;
605     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
606     render->info.vc1.range_mapuv        = v->range_mapuv;
607     /* Specific to simple/main profile only */
608     render->info.vc1.multires           = v->multires;
609     render->info.vc1.syncmarker         = v->resync_marker;
610     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
611     render->info.vc1.maxbframes         = v->s.max_b_frames;
612
613     render->info.vc1.deblockEnable      = v->postprocflag & 1;
614     render->info.vc1.pquant             = v->pq;
615
616     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
617     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
618
619     if (v->bi_type)
620         render->info.vc1.picture_type = 4;
621     else
622         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
623
624     switch(s->pict_type){
625     case  AV_PICTURE_TYPE_B:
626         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
627         assert(next);
628         render->info.vc1.backward_reference = next->surface;
629         // no break here, going to set forward prediction
630     case  AV_PICTURE_TYPE_P:
631         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
632         if (!last) // FIXME: Does this test make sense?
633             last = render; // predict second field from the first
634         render->info.vc1.forward_reference = last->surface;
635     }
636
637     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
638
639     render->info.vc1.slice_count          = 1;
640
641     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
642     render->bitstream_buffers_used        = 0;
643 }
644 #endif /* (CONFIG_VC1_VDPAU_DECODER */
645
646 #if CONFIG_MPEG4_VDPAU_DECODER
647 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
648                                    int buf_size)
649 {
650     MpegEncContext *s = &ctx->m;
651     struct vdpau_render_state *render, *last, *next;
652     int i;
653
654     if (!s->current_picture_ptr) return;
655
656     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
657     assert(render);
658
659     /* fill VdpPictureInfoMPEG4Part2 struct */
660     render->info.mpeg4.trd[0]                            = s->pp_time;
661     render->info.mpeg4.trb[0]                            = s->pb_time;
662     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
663     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
664     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
665     render->info.mpeg4.vop_coding_type                   = 0;
666     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
667     render->info.mpeg4.vop_fcode_backward                = s->b_code;
668     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
669     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
670     render->info.mpeg4.quant_type                        = s->mpeg_quant;
671     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
672     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
673     render->info.mpeg4.rounding_control                  = s->no_rounding;
674     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
675     render->info.mpeg4.top_field_first                   = s->top_field_first;
676     for (i = 0; i < 64; ++i) {
677         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
678         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
679     }
680     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
681     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
682
683     switch (s->pict_type) {
684     case AV_PICTURE_TYPE_B:
685         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
686         assert(next);
687         render->info.mpeg4.backward_reference     = next->surface;
688         render->info.mpeg4.vop_coding_type        = 2;
689         // no break here, going to set forward prediction
690     case AV_PICTURE_TYPE_P:
691         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
692         assert(last);
693         render->info.mpeg4.forward_reference      = last->surface;
694     }
695
696     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
697
698     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
699     render->bitstream_buffers_used = 0;
700 }
701 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
702 #endif /* FF_API_VDPAU */
703
704 #if FF_API_VDPAU_PROFILE
705 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
706 {
707 #define PROFILE(prof)                      \
708 do {                                       \
709     *profile = VDP_DECODER_PROFILE_##prof; \
710     return 0;                              \
711 } while (0)
712
713     switch (avctx->codec_id) {
714     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
715     case AV_CODEC_ID_MPEG2VIDEO:
716         switch (avctx->profile) {
717         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
718         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
719         default:                               return AVERROR(EINVAL);
720         }
721     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
722     case AV_CODEC_ID_MPEG4:
723         switch (avctx->profile) {
724         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
725         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
726         default:                               return AVERROR(EINVAL);
727         }
728     case AV_CODEC_ID_H264:
729         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
730         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
731         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
732         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
733         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
734 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
735         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
736 #endif
737         default:                               return AVERROR(EINVAL);
738         }
739     case AV_CODEC_ID_WMV3:
740     case AV_CODEC_ID_VC1:
741         switch (avctx->profile) {
742         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
743         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
744         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
745         default:                               return AVERROR(EINVAL);
746         }
747     }
748     return AVERROR(EINVAL);
749 #undef PROFILE
750 }
751 #endif /* FF_API_VDPAU_PROFILE */
752
753 AVVDPAUContext *av_vdpau_alloc_context(void)
754 {
755     return av_mallocz(sizeof(AVVDPAUContext));
756 }
757
758 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
759                           VdpGetProcAddress *get_proc, unsigned flags)
760 {
761     VDPAUHWContext *hwctx;
762
763     if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
764         return AVERROR(EINVAL);
765
766     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
767         return AVERROR(ENOMEM);
768
769     hwctx = avctx->hwaccel_context;
770
771     memset(hwctx, 0, sizeof(*hwctx));
772     hwctx->context.decoder  = VDP_INVALID_HANDLE;
773     hwctx->device           = device;
774     hwctx->get_proc_address = get_proc;
775     hwctx->flags            = flags;
776     hwctx->reset            = 1;
777     return 0;
778 }
779
780 /* @}*/