avidec: avoid infinite loop due to negative ast->sample_size
[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     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->current_slice;
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, &h->slice_ctx[0], 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 /* @}*/