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 av_vdpau_get_surface_parameters(AVCodecContext *avctx,
76 uint32_t *width, uint32_t *height)
79 uint32_t w = avctx->coded_width;
80 uint32_t h = avctx->coded_height;
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;
90 case AV_PIX_FMT_YUV422P:
91 case AV_PIX_FMT_YUVJ422P:
92 t = VDP_CHROMA_TYPE_422;
96 case AV_PIX_FMT_YUV444P:
97 case AV_PIX_FMT_YUVJ444P:
98 t = VDP_CHROMA_TYPE_444;
102 return AVERROR(ENOSYS);
114 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
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;
125 uint32_t max_level, max_mb, max_width, max_height;
130 vdctx->width = UINT32_MAX;
131 vdctx->height = UINT32_MAX;
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");
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 */
147 vdctx->device = hwctx->device;
148 vdctx->get_proc_address = hwctx->get_proc_address;
150 if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
153 return AVERROR(ENOTSUP);
155 if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
156 return AVERROR(ENOSYS);
158 status = vdctx->get_proc_address(vdctx->device,
159 VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
161 if (status != VDP_STATUS_OK)
162 return vdpau_error(status);
164 surface_query_caps = func;
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);
174 status = vdctx->get_proc_address(vdctx->device,
175 VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
177 if (status != VDP_STATUS_OK)
178 return vdpau_error(status);
180 decoder_query_caps = func;
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,
190 &max_width, &max_height);
193 if (status != VDP_STATUS_OK)
194 return vdpau_error(status);
196 if (supported != VDP_TRUE || max_level < level ||
197 max_width < width || max_height < height)
198 return AVERROR(ENOTSUP);
200 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
202 if (status != VDP_STATUS_OK)
203 return vdpau_error(status);
207 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
209 if (status != VDP_STATUS_OK)
210 return vdpau_error(status);
212 vdctx->render = func;
214 status = create(vdctx->device, profile, width, height, avctx->refs,
216 if (status == VDP_STATUS_OK) {
217 vdctx->width = avctx->coded_width;
218 vdctx->height = avctx->coded_height;
221 return vdpau_error(status);
224 int ff_vdpau_common_uninit(AVCodecContext *avctx)
226 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
227 VdpDecoderDestroy *destroy;
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)
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);
243 status = destroy(vdctx->decoder);
244 return vdpau_error(status);
247 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
249 VDPAUHWContext *hwctx = avctx->hwaccel_context;
250 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
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)
258 avctx->hwaccel->uninit(avctx);
259 return avctx->hwaccel->init(avctx);
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)
266 pic_ctx->bitstream_buffers_allocated = 0;
267 pic_ctx->bitstream_buffers_used = 0;
268 pic_ctx->bitstream_buffers = NULL;
272 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
273 struct vdpau_picture_context *pic_ctx)
275 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
276 AVVDPAUContext *hwctx = avctx->hwaccel_context;
277 VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
281 val = ff_vdpau_common_reinit(avctx);
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
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);
298 status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
299 pic_ctx->bitstream_buffers_used,
300 pic_ctx->bitstream_buffers);
302 av_freep(&pic_ctx->bitstream_buffers);
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
312 return vdpau_error(status);
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)
320 MpegEncContext *s = avctx->priv_data;
321 Picture *pic = s->current_picture_ptr;
322 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
325 val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
329 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
334 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
335 const uint8_t *buf, uint32_t size)
337 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
339 buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
340 (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
342 return AVERROR(ENOMEM);
344 pic_ctx->bitstream_buffers = buffers;
345 buffers += pic_ctx->bitstream_buffers_used++;
347 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
348 buffers->bitstream = buf;
349 buffers->bitstream_bytes = size;
353 /* Obsolete non-hwaccel VDPAU support below... */
355 void ff_vdpau_h264_set_reference_frames(H264Context *h)
357 struct vdpau_render_state *render, *render_ref;
358 VdpReferenceFrameH264 *rf, *rf2;
360 int i, list, pic_frame_idx;
362 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
365 rf = &render->info.h264.referenceFrames[0];
366 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
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;
372 for (i = 0; i < ls; ++i) {
374 if (!pic || !pic->reference)
376 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
378 render_ref = (struct vdpau_render_state *)pic->f.data[0];
381 rf2 = &render->info.h264.referenceFrames[0];
384 (rf2->surface == render_ref->surface)
385 && (rf2->is_long_term == pic->long_ref)
386 && (rf2->frame_idx == pic_frame_idx)
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;
397 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
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;
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;
423 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
425 struct vdpau_render_state *render = (struct vdpau_render_state*)data;
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)
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++;
440 #if CONFIG_H264_VDPAU_DECODER
441 void ff_vdpau_h264_picture_start(H264Context *h)
443 struct vdpau_render_state *render;
446 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
449 for (i = 0; i < 2; ++i) {
450 int foc = h->cur_pic_ptr->field_poc[i];
453 render->info.h264.field_order_cnt[i] = foc;
456 render->info.h264.frame_num = h->frame_num;
459 void ff_vdpau_h264_picture_complete(H264Context *h)
461 struct vdpau_render_state *render;
463 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
466 render->info.h264.slice_count = h->slice_num;
467 if (render->info.h264.slice_count < 1)
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]));
498 ff_h264_draw_horiz_band(h, 0, h->avctx->height);
499 render->bitstream_buffers_used = 0;
501 #endif /* CONFIG_H264_VDPAU_DECODER */
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)
507 struct vdpau_render_state *render, *last, *next;
510 if (!s->current_picture_ptr) return;
512 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
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];
536 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
537 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
539 switch(s->pict_type){
540 case AV_PICTURE_TYPE_B:
541 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
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;
552 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
554 render->info.mpeg.slice_count = slice_count;
557 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
558 render->bitstream_buffers_used = 0;
560 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
562 #if CONFIG_VC1_VDPAU_DECODER
563 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
566 VC1Context *v = s->avctx->priv_data;
567 struct vdpau_render_state *render, *last, *next;
569 render = (struct vdpau_render_state *)s->current_picture.f->data[0];
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;
600 render->info.vc1.deblockEnable = v->postprocflag & 1;
601 render->info.vc1.pquant = v->pq;
603 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
604 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
607 render->info.vc1.picture_type = 4;
609 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
611 switch(s->pict_type){
612 case AV_PICTURE_TYPE_B:
613 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
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;
624 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
626 render->info.vc1.slice_count = 1;
628 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
629 render->bitstream_buffers_used = 0;
631 #endif /* (CONFIG_VC1_VDPAU_DECODER */
633 #if CONFIG_MPEG4_VDPAU_DECODER
634 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
637 MpegEncContext *s = &ctx->m;
638 struct vdpau_render_state *render, *last, *next;
641 if (!s->current_picture_ptr) return;
643 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
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];
667 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
668 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
670 switch (s->pict_type) {
671 case AV_PICTURE_TYPE_B:
672 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
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];
680 render->info.mpeg4.forward_reference = last->surface;
683 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
685 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
686 render->bitstream_buffers_used = 0;
688 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
690 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
692 #define PROFILE(prof) \
694 *profile = VDP_DECODER_PROFILE_##prof; \
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);
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);
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);
722 default: return AVERROR(EINVAL);
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);
733 return AVERROR(EINVAL);
737 AVVDPAUContext *av_vdpau_alloc_context(void)
739 return av_mallocz(sizeof(AVVDPAUContext));
742 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
743 VdpGetProcAddress *get_proc, unsigned flags)
745 VDPAUHWContext *hwctx;
747 if (flags & ~AV_HWACCEL_FLAG_IGNORE_LEVEL)
748 return AVERROR(EINVAL);
750 if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
751 return AVERROR(ENOMEM);
753 hwctx = avctx->hwaccel_context;
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;