]> git.sesse.net Git - ffmpeg/blob - libavcodec/vdpau.c
Merge commit 'c220a60f92dde9c7c118fc4deddff5c1f617cda9'
[ffmpeg] / 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     status = vdctx->get_proc_address(vdctx->device,
159                                      VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
160                                      &func);
161     if (status != VDP_STATUS_OK)
162         return vdpau_error(status);
163     else
164         surface_query_caps = func;
165
166     status = surface_query_caps(vdctx->device, type, &supported,
167                                 &max_width, &max_height);
168     if (status != VDP_STATUS_OK)
169         return vdpau_error(status);
170     if (supported != VDP_TRUE ||
171         max_width < width || max_height < height)
172         return AVERROR(ENOTSUP);
173
174     status = vdctx->get_proc_address(vdctx->device,
175                                      VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
176                                      &func);
177     if (status != VDP_STATUS_OK)
178         return vdpau_error(status);
179     else
180         decoder_query_caps = func;
181
182     status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
183                                 &max_mb, &max_width, &max_height);
184 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
185     if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
186         /* Run-time backward compatibility for libvdpau 0.8 and earlier */
187         profile = VDP_DECODER_PROFILE_H264_MAIN;
188         status = decoder_query_caps(vdctx->device, profile, &supported,
189                                     &max_level, &max_mb,
190                                     &max_width, &max_height);
191     }
192 #endif
193     if (status != VDP_STATUS_OK)
194         return vdpau_error(status);
195
196     if (supported != VDP_TRUE || max_level < level ||
197         max_width < width || max_height < height)
198         return AVERROR(ENOTSUP);
199
200     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
201                                      &func);
202     if (status != VDP_STATUS_OK)
203         return vdpau_error(status);
204     else
205         create = func;
206
207     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
208                                      &func);
209     if (status != VDP_STATUS_OK)
210         return vdpau_error(status);
211     else
212         vdctx->render = func;
213
214     status = create(vdctx->device, profile, width, height, avctx->refs,
215                     &vdctx->decoder);
216     if (status == VDP_STATUS_OK) {
217         vdctx->width  = avctx->coded_width;
218         vdctx->height = avctx->coded_height;
219     }
220
221     return vdpau_error(status);
222 }
223
224 int ff_vdpau_common_uninit(AVCodecContext *avctx)
225 {
226     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
227     VdpDecoderDestroy *destroy;
228     void *func;
229     VdpStatus status;
230
231     if (vdctx->device == VDP_INVALID_HANDLE)
232         return 0; /* Decoder created and destroyed by user */
233     if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
234         return 0;
235
236     status = vdctx->get_proc_address(vdctx->device,
237                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
238     if (status != VDP_STATUS_OK)
239         return vdpau_error(status);
240     else
241         destroy = func;
242
243     status = destroy(vdctx->decoder);
244     return vdpau_error(status);
245 }
246
247 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
248 {
249     VDPAUHWContext *hwctx = avctx->hwaccel_context;
250     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
251
252     if (vdctx->device == VDP_INVALID_HANDLE)
253         return 0; /* Decoder created by user */
254     if (avctx->coded_width == vdctx->width &&
255         avctx->coded_height == vdctx->height && !hwctx->reset)
256         return 0;
257
258     avctx->hwaccel->uninit(avctx);
259     return avctx->hwaccel->init(avctx);
260 }
261
262 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
263                                 av_unused const uint8_t *buffer,
264                                 av_unused uint32_t size)
265 {
266     pic_ctx->bitstream_buffers_allocated = 0;
267     pic_ctx->bitstream_buffers_used      = 0;
268     pic_ctx->bitstream_buffers           = NULL;
269     return 0;
270 }
271
272 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
273                               struct vdpau_picture_context *pic_ctx)
274 {
275     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
276     AVVDPAUContext *hwctx = avctx->hwaccel_context;
277     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
278     VdpStatus status;
279     int val;
280
281     val = ff_vdpau_common_reinit(avctx);
282     if (val < 0)
283         return val;
284
285 #if FF_API_BUFS_VDPAU
286 FF_DISABLE_DEPRECATION_WARNINGS
287     hwctx->info = pic_ctx->info;
288     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
289     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
290     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
291 FF_ENABLE_DEPRECATION_WARNINGS
292 #endif
293
294     if (!hwctx->render && hwctx->render2) {
295         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
296                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
297     } else
298     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
299                            pic_ctx->bitstream_buffers_used,
300                            pic_ctx->bitstream_buffers);
301
302     av_freep(&pic_ctx->bitstream_buffers);
303
304 #if FF_API_BUFS_VDPAU
305 FF_DISABLE_DEPRECATION_WARNINGS
306     hwctx->bitstream_buffers = NULL;
307     hwctx->bitstream_buffers_used = 0;
308     hwctx->bitstream_buffers_allocated = 0;
309 FF_ENABLE_DEPRECATION_WARNINGS
310 #endif
311
312     return vdpau_error(status);
313 }
314
315 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
316     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
317     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
318 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
319 {
320     MpegEncContext *s = avctx->priv_data;
321     Picture *pic = s->current_picture_ptr;
322     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
323     int val;
324
325     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
326     if (val < 0)
327         return val;
328
329     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
330     return 0;
331 }
332 #endif
333
334 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
335                         const uint8_t *buf, uint32_t size)
336 {
337     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
338
339     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
340                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
341     if (!buffers)
342         return AVERROR(ENOMEM);
343
344     pic_ctx->bitstream_buffers = buffers;
345     buffers += pic_ctx->bitstream_buffers_used++;
346
347     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
348     buffers->bitstream       = buf;
349     buffers->bitstream_bytes = size;
350     return 0;
351 }
352
353 /* Obsolete non-hwaccel VDPAU support below... */
354
355 void ff_vdpau_h264_set_reference_frames(H264Context *h)
356 {
357     struct vdpau_render_state *render, *render_ref;
358     VdpReferenceFrameH264 *rf, *rf2;
359     H264Picture *pic;
360     int i, list, pic_frame_idx;
361
362     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
363     assert(render);
364
365     rf = &render->info.h264.referenceFrames[0];
366 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
367
368     for (list = 0; list < 2; ++list) {
369         H264Picture **lp = list ? h->long_ref : h->short_ref;
370         int ls = list ? 16 : h->short_ref_count;
371
372         for (i = 0; i < ls; ++i) {
373             pic = lp[i];
374             if (!pic || !pic->reference)
375                 continue;
376             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
377
378             render_ref = (struct vdpau_render_state *)pic->f.data[0];
379             assert(render_ref);
380
381             rf2 = &render->info.h264.referenceFrames[0];
382             while (rf2 != rf) {
383                 if (
384                     (rf2->surface == render_ref->surface)
385                     && (rf2->is_long_term == pic->long_ref)
386                     && (rf2->frame_idx == pic_frame_idx)
387                 )
388                     break;
389                 ++rf2;
390             }
391             if (rf2 != rf) {
392                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
393                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
394                 continue;
395             }
396
397             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
398                 continue;
399
400             rf->surface             = render_ref->surface;
401             rf->is_long_term        = pic->long_ref;
402             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
403             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
404             rf->field_order_cnt[0]  = pic->field_poc[0];
405             rf->field_order_cnt[1]  = pic->field_poc[1];
406             rf->frame_idx           = pic_frame_idx;
407
408             ++rf;
409         }
410     }
411
412     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
413         rf->surface             = VDP_INVALID_HANDLE;
414         rf->is_long_term        = 0;
415         rf->top_is_reference    = 0;
416         rf->bottom_is_reference = 0;
417         rf->field_order_cnt[0]  = 0;
418         rf->field_order_cnt[1]  = 0;
419         rf->frame_idx           = 0;
420     }
421 }
422
423 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
424 {
425     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
426     assert(render);
427
428     render->bitstream_buffers= av_fast_realloc(
429         render->bitstream_buffers,
430         &render->bitstream_buffers_allocated,
431         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
432     );
433
434     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
435     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
436     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
437     render->bitstream_buffers_used++;
438 }
439
440 #if CONFIG_H264_VDPAU_DECODER
441 void ff_vdpau_h264_picture_start(H264Context *h)
442 {
443     struct vdpau_render_state *render;
444     int i;
445
446     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
447     assert(render);
448
449     for (i = 0; i < 2; ++i) {
450         int foc = h->cur_pic_ptr->field_poc[i];
451         if (foc == INT_MAX)
452             foc = 0;
453         render->info.h264.field_order_cnt[i] = foc;
454     }
455
456     render->info.h264.frame_num = h->frame_num;
457 }
458
459 void ff_vdpau_h264_picture_complete(H264Context *h)
460 {
461     struct vdpau_render_state *render;
462
463     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
464     assert(render);
465
466     render->info.h264.slice_count = h->slice_num;
467     if (render->info.h264.slice_count < 1)
468         return;
469
470     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
471     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
472     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
473     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
474     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
475     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
476     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
477     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
478     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
479     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
480     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
481     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
482     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
483     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
484     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
485     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
486     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
487     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
488     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
489     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
490     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
491     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
492     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
493     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
494     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
495     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
496     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
497
498     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
499     render->bitstream_buffers_used = 0;
500 }
501 #endif /* CONFIG_H264_VDPAU_DECODER */
502
503 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
504 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
505                                     int buf_size, int slice_count)
506 {
507     struct vdpau_render_state *render, *last, *next;
508     int i;
509
510     if (!s->current_picture_ptr) return;
511
512     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
513     assert(render);
514
515     /* fill VdpPictureInfoMPEG1Or2 struct */
516     render->info.mpeg.picture_structure          = s->picture_structure;
517     render->info.mpeg.picture_coding_type        = s->pict_type;
518     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
519     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
520     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
521     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
522     render->info.mpeg.alternate_scan             = s->alternate_scan;
523     render->info.mpeg.q_scale_type               = s->q_scale_type;
524     render->info.mpeg.top_field_first            = s->top_field_first;
525     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
526     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
527     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
528     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
529     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
530     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
531     for (i = 0; i < 64; ++i) {
532         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
533         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
534     }
535
536     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
537     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
538
539     switch(s->pict_type){
540     case  AV_PICTURE_TYPE_B:
541         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
542         assert(next);
543         render->info.mpeg.backward_reference     = next->surface;
544         // no return here, going to set forward prediction
545     case  AV_PICTURE_TYPE_P:
546         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
547         if (!last) // FIXME: Does this test make sense?
548             last = render; // predict second field from the first
549         render->info.mpeg.forward_reference      = last->surface;
550     }
551
552     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
553
554     render->info.mpeg.slice_count                = slice_count;
555
556     if (slice_count)
557         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
558     render->bitstream_buffers_used               = 0;
559 }
560 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
561
562 #if CONFIG_VC1_VDPAU_DECODER
563 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
564                                  int buf_size)
565 {
566     VC1Context *v = s->avctx->priv_data;
567     struct vdpau_render_state *render, *last, *next;
568
569     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
570     assert(render);
571
572     /*  fill LvPictureInfoVC1 struct */
573     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
574     render->info.vc1.postprocflag       = v->postprocflag;
575     render->info.vc1.pulldown           = v->broadcast;
576     render->info.vc1.interlace          = v->interlace;
577     render->info.vc1.tfcntrflag         = v->tfcntrflag;
578     render->info.vc1.finterpflag        = v->finterpflag;
579     render->info.vc1.psf                = v->psf;
580     render->info.vc1.dquant             = v->dquant;
581     render->info.vc1.panscan_flag       = v->panscanflag;
582     render->info.vc1.refdist_flag       = v->refdist_flag;
583     render->info.vc1.quantizer          = v->quantizer_mode;
584     render->info.vc1.extended_mv        = v->extended_mv;
585     render->info.vc1.extended_dmv       = v->extended_dmv;
586     render->info.vc1.overlap            = v->overlap;
587     render->info.vc1.vstransform        = v->vstransform;
588     render->info.vc1.loopfilter         = v->s.loop_filter;
589     render->info.vc1.fastuvmc           = v->fastuvmc;
590     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
591     render->info.vc1.range_mapy         = v->range_mapy;
592     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
593     render->info.vc1.range_mapuv        = v->range_mapuv;
594     /* Specific to simple/main profile only */
595     render->info.vc1.multires           = v->multires;
596     render->info.vc1.syncmarker         = v->resync_marker;
597     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
598     render->info.vc1.maxbframes         = v->s.max_b_frames;
599
600     render->info.vc1.deblockEnable      = v->postprocflag & 1;
601     render->info.vc1.pquant             = v->pq;
602
603     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
604     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
605
606     if (v->bi_type)
607         render->info.vc1.picture_type = 4;
608     else
609         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
610
611     switch(s->pict_type){
612     case  AV_PICTURE_TYPE_B:
613         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
614         assert(next);
615         render->info.vc1.backward_reference = next->surface;
616         // no break here, going to set forward prediction
617     case  AV_PICTURE_TYPE_P:
618         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
619         if (!last) // FIXME: Does this test make sense?
620             last = render; // predict second field from the first
621         render->info.vc1.forward_reference = last->surface;
622     }
623
624     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
625
626     render->info.vc1.slice_count          = 1;
627
628     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
629     render->bitstream_buffers_used        = 0;
630 }
631 #endif /* (CONFIG_VC1_VDPAU_DECODER */
632
633 #if CONFIG_MPEG4_VDPAU_DECODER
634 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
635                                    int buf_size)
636 {
637     MpegEncContext *s = &ctx->m;
638     struct vdpau_render_state *render, *last, *next;
639     int i;
640
641     if (!s->current_picture_ptr) return;
642
643     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
644     assert(render);
645
646     /* fill VdpPictureInfoMPEG4Part2 struct */
647     render->info.mpeg4.trd[0]                            = s->pp_time;
648     render->info.mpeg4.trb[0]                            = s->pb_time;
649     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
650     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
651     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
652     render->info.mpeg4.vop_coding_type                   = 0;
653     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
654     render->info.mpeg4.vop_fcode_backward                = s->b_code;
655     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
656     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
657     render->info.mpeg4.quant_type                        = s->mpeg_quant;
658     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
659     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
660     render->info.mpeg4.rounding_control                  = s->no_rounding;
661     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
662     render->info.mpeg4.top_field_first                   = s->top_field_first;
663     for (i = 0; i < 64; ++i) {
664         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
665         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
666     }
667     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
668     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
669
670     switch (s->pict_type) {
671     case AV_PICTURE_TYPE_B:
672         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
673         assert(next);
674         render->info.mpeg4.backward_reference     = next->surface;
675         render->info.mpeg4.vop_coding_type        = 2;
676         // no break here, going to set forward prediction
677     case AV_PICTURE_TYPE_P:
678         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
679         assert(last);
680         render->info.mpeg4.forward_reference      = last->surface;
681     }
682
683     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
684
685     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
686     render->bitstream_buffers_used = 0;
687 }
688 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
689
690 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
691 {
692 #define PROFILE(prof)                      \
693 do {                                       \
694     *profile = VDP_DECODER_PROFILE_##prof; \
695     return 0;                              \
696 } while (0)
697
698     switch (avctx->codec_id) {
699     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
700     case AV_CODEC_ID_MPEG2VIDEO:
701         switch (avctx->profile) {
702         case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
703         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
704         default:                               return AVERROR(EINVAL);
705         }
706     case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
707     case AV_CODEC_ID_MPEG4:
708         switch (avctx->profile) {
709         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
710         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
711         default:                               return AVERROR(EINVAL);
712         }
713     case AV_CODEC_ID_H264:
714         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
715         case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
716         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
717         case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
718         case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
719 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
720         case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
721 #endif
722         default:                               return AVERROR(EINVAL);
723         }
724     case AV_CODEC_ID_WMV3:
725     case AV_CODEC_ID_VC1:
726         switch (avctx->profile) {
727         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
728         case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
729         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
730         default:                               return AVERROR(EINVAL);
731         }
732     }
733     return AVERROR(EINVAL);
734 #undef PROFILE
735 }
736
737 AVVDPAUContext *av_vdpau_alloc_context(void)
738 {
739     return av_mallocz(sizeof(AVVDPAUContext));
740 }
741
742 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
743                           VdpGetProcAddress *get_proc, unsigned flags)
744 {
745     VDPAUHWContext *hwctx;
746
747     if (flags & ~AV_HWACCEL_FLAG_IGNORE_LEVEL)
748         return AVERROR(EINVAL);
749
750     if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
751         return AVERROR(ENOMEM);
752
753     hwctx = avctx->hwaccel_context;
754
755     memset(hwctx, 0, sizeof(*hwctx));
756     hwctx->context.decoder  = VDP_INVALID_HANDLE;
757     hwctx->device           = device;
758     hwctx->get_proc_address = get_proc;
759     hwctx->flags            = flags;
760     hwctx->reset            = 1;
761     return 0;
762 }
763
764 /* @}*/