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.
5 * Copyright (c) 2008 NVIDIA
7 * This file is part of FFmpeg.
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.
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.
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
25 #include "libavutil/avassert.h"
35 #include "vdpau_internal.h"
38 * @addtogroup VDPAU_Decoding
43 static int vdpau_error(VdpStatus status)
48 case VDP_STATUS_NO_IMPLEMENTATION:
49 return AVERROR(ENOSYS);
50 case VDP_STATUS_DISPLAY_PREEMPTED:
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:
63 return AVERROR(EINVAL);
67 AVVDPAUContext *av_alloc_vdpaucontext(void)
69 return av_vdpau_alloc_context();
72 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
74 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
77 VDPAUHWContext *hwctx = avctx->hwaccel_context;
78 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
79 VdpVideoSurfaceQueryCapabilities *surface_query_caps;
80 VdpDecoderQueryCapabilities *decoder_query_caps;
81 VdpDecoderCreate *create;
85 uint32_t max_level, max_mb, max_width, max_height;
86 /* See vdpau/vdpau.h for alignment constraints. */
87 uint32_t width = (avctx->coded_width + 1) & ~1;
88 uint32_t height = (avctx->coded_height + 3) & ~3;
90 vdctx->width = UINT32_MAX;
91 vdctx->height = UINT32_MAX;
94 vdctx->device = VDP_INVALID_HANDLE;
95 av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
99 if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
100 vdctx->decoder = hwctx->context.decoder;
101 vdctx->render = hwctx->context.render;
102 vdctx->device = VDP_INVALID_HANDLE;
103 return 0; /* Decoder created by user */
107 vdctx->device = hwctx->device;
108 vdctx->get_proc_address = hwctx->get_proc_address;
110 if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
113 return AVERROR(ENOTSUP);
115 status = vdctx->get_proc_address(vdctx->device,
116 VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
118 if (status != VDP_STATUS_OK)
119 return vdpau_error(status);
121 surface_query_caps = func;
123 status = surface_query_caps(vdctx->device, VDP_CHROMA_TYPE_420, &supported,
124 &max_width, &max_height);
125 if (status != VDP_STATUS_OK)
126 return vdpau_error(status);
127 if (supported != VDP_TRUE ||
128 max_width < width || max_height < height)
129 return AVERROR(ENOTSUP);
131 status = vdctx->get_proc_address(vdctx->device,
132 VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
134 if (status != VDP_STATUS_OK)
135 return vdpau_error(status);
137 decoder_query_caps = func;
139 status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
140 &max_mb, &max_width, &max_height);
141 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
142 if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
143 /* Run-time backward compatibility for libvdpau 0.8 and earlier */
144 profile = VDP_DECODER_PROFILE_H264_MAIN;
145 status = decoder_query_caps(vdctx->device, profile, &supported,
147 &max_width, &max_height);
150 if (status != VDP_STATUS_OK)
151 return vdpau_error(status);
153 if (supported != VDP_TRUE || max_level < level ||
154 max_width < width || max_height < height)
155 return AVERROR(ENOTSUP);
157 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
159 if (status != VDP_STATUS_OK)
160 return vdpau_error(status);
164 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
166 if (status != VDP_STATUS_OK)
167 return vdpau_error(status);
169 vdctx->render = func;
171 status = create(vdctx->device, profile, width, height, avctx->refs,
173 if (status == VDP_STATUS_OK) {
174 vdctx->width = avctx->coded_width;
175 vdctx->height = avctx->coded_height;
178 return vdpau_error(status);
181 int ff_vdpau_common_uninit(AVCodecContext *avctx)
183 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
184 VdpDecoderDestroy *destroy;
188 if (vdctx->device == VDP_INVALID_HANDLE)
189 return 0; /* Decoder created and destroyed by user */
190 if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
193 status = vdctx->get_proc_address(vdctx->device,
194 VDP_FUNC_ID_DECODER_DESTROY, &func);
195 if (status != VDP_STATUS_OK)
196 return vdpau_error(status);
200 status = destroy(vdctx->decoder);
201 return vdpau_error(status);
204 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
206 VDPAUHWContext *hwctx = avctx->hwaccel_context;
207 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
209 if (vdctx->device == VDP_INVALID_HANDLE)
210 return 0; /* Decoder created by user */
211 if (avctx->coded_width == vdctx->width &&
212 avctx->coded_height == vdctx->height && !hwctx->reset)
215 avctx->hwaccel->uninit(avctx);
216 return avctx->hwaccel->init(avctx);
219 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
220 av_unused const uint8_t *buffer,
221 av_unused uint32_t size)
223 pic_ctx->bitstream_buffers_allocated = 0;
224 pic_ctx->bitstream_buffers_used = 0;
225 pic_ctx->bitstream_buffers = NULL;
229 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
230 struct vdpau_picture_context *pic_ctx)
232 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
233 AVVDPAUContext *hwctx = avctx->hwaccel_context;
234 VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
238 val = ff_vdpau_common_reinit(avctx);
242 #if FF_API_BUFS_VDPAU
243 FF_DISABLE_DEPRECATION_WARNINGS
244 hwctx->info = pic_ctx->info;
245 hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
246 hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
247 hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
248 FF_ENABLE_DEPRECATION_WARNINGS
251 if (!hwctx->render && hwctx->render2) {
252 status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
253 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
255 status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
256 pic_ctx->bitstream_buffers_used,
257 pic_ctx->bitstream_buffers);
259 av_freep(&pic_ctx->bitstream_buffers);
261 #if FF_API_BUFS_VDPAU
262 FF_DISABLE_DEPRECATION_WARNINGS
263 hwctx->bitstream_buffers = NULL;
264 hwctx->bitstream_buffers_used = 0;
265 hwctx->bitstream_buffers_allocated = 0;
266 FF_ENABLE_DEPRECATION_WARNINGS
269 return vdpau_error(status);
272 #if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \
273 CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
274 CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
275 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
277 MpegEncContext *s = avctx->priv_data;
278 Picture *pic = s->current_picture_ptr;
279 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
282 val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
286 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
291 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
292 const uint8_t *buf, uint32_t size)
294 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
296 buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
297 (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
299 return AVERROR(ENOMEM);
301 pic_ctx->bitstream_buffers = buffers;
302 buffers += pic_ctx->bitstream_buffers_used++;
304 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
305 buffers->bitstream = buf;
306 buffers->bitstream_bytes = size;
310 /* Obsolete non-hwaccel VDPAU support below... */
312 void ff_vdpau_h264_set_reference_frames(H264Context *h)
314 struct vdpau_render_state *render, *render_ref;
315 VdpReferenceFrameH264 *rf, *rf2;
317 int i, list, pic_frame_idx;
319 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
322 rf = &render->info.h264.referenceFrames[0];
323 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
325 for (list = 0; list < 2; ++list) {
326 H264Picture **lp = list ? h->long_ref : h->short_ref;
327 int ls = list ? 16 : h->short_ref_count;
329 for (i = 0; i < ls; ++i) {
331 if (!pic || !pic->reference)
333 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
335 render_ref = (struct vdpau_render_state *)pic->f.data[0];
338 rf2 = &render->info.h264.referenceFrames[0];
341 (rf2->surface == render_ref->surface)
342 && (rf2->is_long_term == pic->long_ref)
343 && (rf2->frame_idx == pic_frame_idx)
349 rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
350 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
354 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
357 rf->surface = render_ref->surface;
358 rf->is_long_term = pic->long_ref;
359 rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
360 rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
361 rf->field_order_cnt[0] = pic->field_poc[0];
362 rf->field_order_cnt[1] = pic->field_poc[1];
363 rf->frame_idx = pic_frame_idx;
369 for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
370 rf->surface = VDP_INVALID_HANDLE;
371 rf->is_long_term = 0;
372 rf->top_is_reference = 0;
373 rf->bottom_is_reference = 0;
374 rf->field_order_cnt[0] = 0;
375 rf->field_order_cnt[1] = 0;
380 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
382 struct vdpau_render_state *render = (struct vdpau_render_state*)data;
385 render->bitstream_buffers= av_fast_realloc(
386 render->bitstream_buffers,
387 &render->bitstream_buffers_allocated,
388 sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
391 render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
392 render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
393 render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
394 render->bitstream_buffers_used++;
397 #if CONFIG_H264_VDPAU_DECODER
398 void ff_vdpau_h264_picture_start(H264Context *h)
400 struct vdpau_render_state *render;
403 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
406 for (i = 0; i < 2; ++i) {
407 int foc = h->cur_pic_ptr->field_poc[i];
410 render->info.h264.field_order_cnt[i] = foc;
413 render->info.h264.frame_num = h->frame_num;
416 void ff_vdpau_h264_picture_complete(H264Context *h)
418 struct vdpau_render_state *render;
420 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
423 render->info.h264.slice_count = h->slice_num;
424 if (render->info.h264.slice_count < 1)
427 render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
428 render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
429 render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
430 render->info.h264.num_ref_frames = h->sps.ref_frame_count;
431 render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
432 render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
433 render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
434 render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
435 render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
436 render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
437 render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
438 render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
439 render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
440 render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
441 render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
442 render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
443 render->info.h264.pic_order_cnt_type = h->sps.poc_type;
444 render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
445 render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
446 render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
447 render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
448 render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
449 render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
450 render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
451 memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
452 memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
453 memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
455 ff_h264_draw_horiz_band(h, 0, h->avctx->height);
456 render->bitstream_buffers_used = 0;
458 #endif /* CONFIG_H264_VDPAU_DECODER */
460 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
461 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
462 int buf_size, int slice_count)
464 struct vdpau_render_state *render, *last, *next;
467 if (!s->current_picture_ptr) return;
469 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
472 /* fill VdpPictureInfoMPEG1Or2 struct */
473 render->info.mpeg.picture_structure = s->picture_structure;
474 render->info.mpeg.picture_coding_type = s->pict_type;
475 render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
476 render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
477 render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
478 render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
479 render->info.mpeg.alternate_scan = s->alternate_scan;
480 render->info.mpeg.q_scale_type = s->q_scale_type;
481 render->info.mpeg.top_field_first = s->top_field_first;
482 render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
483 render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
484 render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
485 render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
486 render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
487 render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
488 for (i = 0; i < 64; ++i) {
489 render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
490 render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
493 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
494 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
496 switch(s->pict_type){
497 case AV_PICTURE_TYPE_B:
498 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
500 render->info.mpeg.backward_reference = next->surface;
501 // no return here, going to set forward prediction
502 case AV_PICTURE_TYPE_P:
503 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
504 if (!last) // FIXME: Does this test make sense?
505 last = render; // predict second field from the first
506 render->info.mpeg.forward_reference = last->surface;
509 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
511 render->info.mpeg.slice_count = slice_count;
514 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
515 render->bitstream_buffers_used = 0;
517 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
519 #if CONFIG_VC1_VDPAU_DECODER
520 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
523 VC1Context *v = s->avctx->priv_data;
524 struct vdpau_render_state *render, *last, *next;
526 render = (struct vdpau_render_state *)s->current_picture.f->data[0];
529 /* fill LvPictureInfoVC1 struct */
530 render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
531 render->info.vc1.postprocflag = v->postprocflag;
532 render->info.vc1.pulldown = v->broadcast;
533 render->info.vc1.interlace = v->interlace;
534 render->info.vc1.tfcntrflag = v->tfcntrflag;
535 render->info.vc1.finterpflag = v->finterpflag;
536 render->info.vc1.psf = v->psf;
537 render->info.vc1.dquant = v->dquant;
538 render->info.vc1.panscan_flag = v->panscanflag;
539 render->info.vc1.refdist_flag = v->refdist_flag;
540 render->info.vc1.quantizer = v->quantizer_mode;
541 render->info.vc1.extended_mv = v->extended_mv;
542 render->info.vc1.extended_dmv = v->extended_dmv;
543 render->info.vc1.overlap = v->overlap;
544 render->info.vc1.vstransform = v->vstransform;
545 render->info.vc1.loopfilter = v->s.loop_filter;
546 render->info.vc1.fastuvmc = v->fastuvmc;
547 render->info.vc1.range_mapy_flag = v->range_mapy_flag;
548 render->info.vc1.range_mapy = v->range_mapy;
549 render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
550 render->info.vc1.range_mapuv = v->range_mapuv;
551 /* Specific to simple/main profile only */
552 render->info.vc1.multires = v->multires;
553 render->info.vc1.syncmarker = v->resync_marker;
554 render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
555 render->info.vc1.maxbframes = v->s.max_b_frames;
557 render->info.vc1.deblockEnable = v->postprocflag & 1;
558 render->info.vc1.pquant = v->pq;
560 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
561 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
564 render->info.vc1.picture_type = 4;
566 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
568 switch(s->pict_type){
569 case AV_PICTURE_TYPE_B:
570 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
572 render->info.vc1.backward_reference = next->surface;
573 // no break here, going to set forward prediction
574 case AV_PICTURE_TYPE_P:
575 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
576 if (!last) // FIXME: Does this test make sense?
577 last = render; // predict second field from the first
578 render->info.vc1.forward_reference = last->surface;
581 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
583 render->info.vc1.slice_count = 1;
585 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
586 render->bitstream_buffers_used = 0;
588 #endif /* (CONFIG_VC1_VDPAU_DECODER */
590 #if CONFIG_MPEG4_VDPAU_DECODER
591 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
594 MpegEncContext *s = &ctx->m;
595 struct vdpau_render_state *render, *last, *next;
598 if (!s->current_picture_ptr) return;
600 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
603 /* fill VdpPictureInfoMPEG4Part2 struct */
604 render->info.mpeg4.trd[0] = s->pp_time;
605 render->info.mpeg4.trb[0] = s->pb_time;
606 render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
607 render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
608 render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
609 render->info.mpeg4.vop_coding_type = 0;
610 render->info.mpeg4.vop_fcode_forward = s->f_code;
611 render->info.mpeg4.vop_fcode_backward = s->b_code;
612 render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
613 render->info.mpeg4.interlaced = !s->progressive_sequence;
614 render->info.mpeg4.quant_type = s->mpeg_quant;
615 render->info.mpeg4.quarter_sample = s->quarter_sample;
616 render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
617 render->info.mpeg4.rounding_control = s->no_rounding;
618 render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
619 render->info.mpeg4.top_field_first = s->top_field_first;
620 for (i = 0; i < 64; ++i) {
621 render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
622 render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
624 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
625 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
627 switch (s->pict_type) {
628 case AV_PICTURE_TYPE_B:
629 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
631 render->info.mpeg4.backward_reference = next->surface;
632 render->info.mpeg4.vop_coding_type = 2;
633 // no break here, going to set forward prediction
634 case AV_PICTURE_TYPE_P:
635 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
637 render->info.mpeg4.forward_reference = last->surface;
640 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
642 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
643 render->bitstream_buffers_used = 0;
645 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
647 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
649 #define PROFILE(prof) \
651 *profile = VDP_DECODER_PROFILE_##prof; \
655 switch (avctx->codec_id) {
656 case AV_CODEC_ID_MPEG1VIDEO: PROFILE(MPEG1);
657 case AV_CODEC_ID_MPEG2VIDEO:
658 switch (avctx->profile) {
659 case FF_PROFILE_MPEG2_MAIN: PROFILE(MPEG2_MAIN);
660 case FF_PROFILE_MPEG2_SIMPLE: PROFILE(MPEG2_SIMPLE);
661 default: return AVERROR(EINVAL);
663 case AV_CODEC_ID_H263: PROFILE(MPEG4_PART2_ASP);
664 case AV_CODEC_ID_MPEG4:
665 switch (avctx->profile) {
666 case FF_PROFILE_MPEG4_SIMPLE: PROFILE(MPEG4_PART2_SP);
667 case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
668 default: return AVERROR(EINVAL);
670 case AV_CODEC_ID_H264:
671 switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
672 case FF_PROFILE_H264_BASELINE: PROFILE(H264_BASELINE);
673 case FF_PROFILE_H264_CONSTRAINED_BASELINE:
674 case FF_PROFILE_H264_MAIN: PROFILE(H264_MAIN);
675 case FF_PROFILE_H264_HIGH: PROFILE(H264_HIGH);
676 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
677 case FF_PROFILE_H264_EXTENDED: PROFILE(H264_EXTENDED);
679 default: return AVERROR(EINVAL);
681 case AV_CODEC_ID_WMV3:
682 case AV_CODEC_ID_VC1:
683 switch (avctx->profile) {
684 case FF_PROFILE_VC1_SIMPLE: PROFILE(VC1_SIMPLE);
685 case FF_PROFILE_VC1_MAIN: PROFILE(VC1_MAIN);
686 case FF_PROFILE_VC1_ADVANCED: PROFILE(VC1_ADVANCED);
687 default: return AVERROR(EINVAL);
690 return AVERROR(EINVAL);
694 AVVDPAUContext *av_vdpau_alloc_context(void)
696 return av_mallocz(sizeof(AVVDPAUContext));
699 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
700 VdpGetProcAddress *get_proc, unsigned flags)
702 VDPAUHWContext *hwctx;
704 if (flags & ~AV_HWACCEL_FLAG_IGNORE_LEVEL)
705 return AVERROR(EINVAL);
707 if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
708 return AVERROR(ENOMEM);
710 hwctx = avctx->hwaccel_context;
712 memset(hwctx, 0, sizeof(*hwctx));
713 hwctx->context.decoder = VDP_INVALID_HANDLE;
714 hwctx->device = device;
715 hwctx->get_proc_address = get_proc;
716 hwctx->flags = flags;