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 if (status != VDP_STATUS_OK)
142 return vdpau_error(status);
144 if (supported != VDP_TRUE || max_level < level ||
145 max_width < width || max_height < height)
146 return AVERROR(ENOTSUP);
148 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
150 if (status != VDP_STATUS_OK)
151 return vdpau_error(status);
155 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
157 if (status != VDP_STATUS_OK)
158 return vdpau_error(status);
160 vdctx->render = func;
162 status = create(vdctx->device, profile, width, height, avctx->refs,
164 if (status == VDP_STATUS_OK) {
165 vdctx->width = avctx->coded_width;
166 vdctx->height = avctx->coded_height;
169 return vdpau_error(status);
172 int ff_vdpau_common_uninit(AVCodecContext *avctx)
174 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
175 VdpDecoderDestroy *destroy;
179 if (vdctx->device == VDP_INVALID_HANDLE)
180 return 0; /* Decoder created and destroyed by user */
181 if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
184 status = vdctx->get_proc_address(vdctx->device,
185 VDP_FUNC_ID_DECODER_DESTROY, &func);
186 if (status != VDP_STATUS_OK)
187 return vdpau_error(status);
191 status = destroy(vdctx->decoder);
192 return vdpau_error(status);
195 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
197 VDPAUHWContext *hwctx = avctx->hwaccel_context;
198 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
200 if (vdctx->device == VDP_INVALID_HANDLE)
201 return 0; /* Decoder created by user */
202 if (avctx->coded_width == vdctx->width &&
203 avctx->coded_height == vdctx->height && !hwctx->reset)
206 avctx->hwaccel->uninit(avctx);
207 return avctx->hwaccel->init(avctx);
210 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
211 av_unused const uint8_t *buffer,
212 av_unused uint32_t size)
214 pic_ctx->bitstream_buffers_allocated = 0;
215 pic_ctx->bitstream_buffers_used = 0;
216 pic_ctx->bitstream_buffers = NULL;
220 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
221 struct vdpau_picture_context *pic_ctx)
223 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
224 AVVDPAUContext *hwctx = avctx->hwaccel_context;
225 VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
229 val = ff_vdpau_common_reinit(avctx);
233 #if FF_API_BUFS_VDPAU
234 FF_DISABLE_DEPRECATION_WARNINGS
235 hwctx->info = pic_ctx->info;
236 hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
237 hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
238 hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
239 FF_ENABLE_DEPRECATION_WARNINGS
242 if (!hwctx->render && hwctx->render2) {
243 status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
244 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
246 status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
247 pic_ctx->bitstream_buffers_used,
248 pic_ctx->bitstream_buffers);
250 av_freep(&pic_ctx->bitstream_buffers);
252 #if FF_API_BUFS_VDPAU
253 FF_DISABLE_DEPRECATION_WARNINGS
254 hwctx->bitstream_buffers = NULL;
255 hwctx->bitstream_buffers_used = 0;
256 hwctx->bitstream_buffers_allocated = 0;
257 FF_ENABLE_DEPRECATION_WARNINGS
260 return vdpau_error(status);
263 #if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \
264 CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
265 CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
266 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
268 MpegEncContext *s = avctx->priv_data;
269 Picture *pic = s->current_picture_ptr;
270 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
273 val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
277 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
282 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
283 const uint8_t *buf, uint32_t size)
285 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
287 buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
288 (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
290 return AVERROR(ENOMEM);
292 pic_ctx->bitstream_buffers = buffers;
293 buffers += pic_ctx->bitstream_buffers_used++;
295 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
296 buffers->bitstream = buf;
297 buffers->bitstream_bytes = size;
301 /* Obsolete non-hwaccel VDPAU support below... */
303 void ff_vdpau_h264_set_reference_frames(H264Context *h)
305 struct vdpau_render_state *render, *render_ref;
306 VdpReferenceFrameH264 *rf, *rf2;
308 int i, list, pic_frame_idx;
310 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
313 rf = &render->info.h264.referenceFrames[0];
314 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
316 for (list = 0; list < 2; ++list) {
317 H264Picture **lp = list ? h->long_ref : h->short_ref;
318 int ls = list ? 16 : h->short_ref_count;
320 for (i = 0; i < ls; ++i) {
322 if (!pic || !pic->reference)
324 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
326 render_ref = (struct vdpau_render_state *)pic->f.data[0];
329 rf2 = &render->info.h264.referenceFrames[0];
332 (rf2->surface == render_ref->surface)
333 && (rf2->is_long_term == pic->long_ref)
334 && (rf2->frame_idx == pic_frame_idx)
340 rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
341 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
345 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
348 rf->surface = render_ref->surface;
349 rf->is_long_term = pic->long_ref;
350 rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
351 rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
352 rf->field_order_cnt[0] = pic->field_poc[0];
353 rf->field_order_cnt[1] = pic->field_poc[1];
354 rf->frame_idx = pic_frame_idx;
360 for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
361 rf->surface = VDP_INVALID_HANDLE;
362 rf->is_long_term = 0;
363 rf->top_is_reference = 0;
364 rf->bottom_is_reference = 0;
365 rf->field_order_cnt[0] = 0;
366 rf->field_order_cnt[1] = 0;
371 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
373 struct vdpau_render_state *render = (struct vdpau_render_state*)data;
376 render->bitstream_buffers= av_fast_realloc(
377 render->bitstream_buffers,
378 &render->bitstream_buffers_allocated,
379 sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
382 render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
383 render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
384 render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
385 render->bitstream_buffers_used++;
388 #if CONFIG_H264_VDPAU_DECODER
389 void ff_vdpau_h264_picture_start(H264Context *h)
391 struct vdpau_render_state *render;
394 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
397 for (i = 0; i < 2; ++i) {
398 int foc = h->cur_pic_ptr->field_poc[i];
401 render->info.h264.field_order_cnt[i] = foc;
404 render->info.h264.frame_num = h->frame_num;
407 void ff_vdpau_h264_picture_complete(H264Context *h)
409 struct vdpau_render_state *render;
411 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
414 render->info.h264.slice_count = h->slice_num;
415 if (render->info.h264.slice_count < 1)
418 render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
419 render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
420 render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
421 render->info.h264.num_ref_frames = h->sps.ref_frame_count;
422 render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
423 render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
424 render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
425 render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
426 render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
427 render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
428 render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
429 render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
430 render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
431 render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
432 render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
433 render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
434 render->info.h264.pic_order_cnt_type = h->sps.poc_type;
435 render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
436 render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
437 render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
438 render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
439 render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
440 render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
441 render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
442 memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
443 memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
444 memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
446 ff_h264_draw_horiz_band(h, 0, h->avctx->height);
447 render->bitstream_buffers_used = 0;
449 #endif /* CONFIG_H264_VDPAU_DECODER */
451 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
452 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
453 int buf_size, int slice_count)
455 struct vdpau_render_state *render, *last, *next;
458 if (!s->current_picture_ptr) return;
460 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
463 /* fill VdpPictureInfoMPEG1Or2 struct */
464 render->info.mpeg.picture_structure = s->picture_structure;
465 render->info.mpeg.picture_coding_type = s->pict_type;
466 render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
467 render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
468 render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
469 render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
470 render->info.mpeg.alternate_scan = s->alternate_scan;
471 render->info.mpeg.q_scale_type = s->q_scale_type;
472 render->info.mpeg.top_field_first = s->top_field_first;
473 render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
474 render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
475 render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
476 render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
477 render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
478 render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
479 for (i = 0; i < 64; ++i) {
480 render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
481 render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
484 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
485 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
487 switch(s->pict_type){
488 case AV_PICTURE_TYPE_B:
489 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
491 render->info.mpeg.backward_reference = next->surface;
492 // no return here, going to set forward prediction
493 case AV_PICTURE_TYPE_P:
494 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
495 if (!last) // FIXME: Does this test make sense?
496 last = render; // predict second field from the first
497 render->info.mpeg.forward_reference = last->surface;
500 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
502 render->info.mpeg.slice_count = slice_count;
505 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
506 render->bitstream_buffers_used = 0;
508 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
510 #if CONFIG_VC1_VDPAU_DECODER
511 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
514 VC1Context *v = s->avctx->priv_data;
515 struct vdpau_render_state *render, *last, *next;
517 render = (struct vdpau_render_state *)s->current_picture.f->data[0];
520 /* fill LvPictureInfoVC1 struct */
521 render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
522 render->info.vc1.postprocflag = v->postprocflag;
523 render->info.vc1.pulldown = v->broadcast;
524 render->info.vc1.interlace = v->interlace;
525 render->info.vc1.tfcntrflag = v->tfcntrflag;
526 render->info.vc1.finterpflag = v->finterpflag;
527 render->info.vc1.psf = v->psf;
528 render->info.vc1.dquant = v->dquant;
529 render->info.vc1.panscan_flag = v->panscanflag;
530 render->info.vc1.refdist_flag = v->refdist_flag;
531 render->info.vc1.quantizer = v->quantizer_mode;
532 render->info.vc1.extended_mv = v->extended_mv;
533 render->info.vc1.extended_dmv = v->extended_dmv;
534 render->info.vc1.overlap = v->overlap;
535 render->info.vc1.vstransform = v->vstransform;
536 render->info.vc1.loopfilter = v->s.loop_filter;
537 render->info.vc1.fastuvmc = v->fastuvmc;
538 render->info.vc1.range_mapy_flag = v->range_mapy_flag;
539 render->info.vc1.range_mapy = v->range_mapy;
540 render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
541 render->info.vc1.range_mapuv = v->range_mapuv;
542 /* Specific to simple/main profile only */
543 render->info.vc1.multires = v->multires;
544 render->info.vc1.syncmarker = v->resync_marker;
545 render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
546 render->info.vc1.maxbframes = v->s.max_b_frames;
548 render->info.vc1.deblockEnable = v->postprocflag & 1;
549 render->info.vc1.pquant = v->pq;
551 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
552 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
555 render->info.vc1.picture_type = 4;
557 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
559 switch(s->pict_type){
560 case AV_PICTURE_TYPE_B:
561 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
563 render->info.vc1.backward_reference = next->surface;
564 // no break here, going to set forward prediction
565 case AV_PICTURE_TYPE_P:
566 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
567 if (!last) // FIXME: Does this test make sense?
568 last = render; // predict second field from the first
569 render->info.vc1.forward_reference = last->surface;
572 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
574 render->info.vc1.slice_count = 1;
576 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
577 render->bitstream_buffers_used = 0;
579 #endif /* (CONFIG_VC1_VDPAU_DECODER */
581 #if CONFIG_MPEG4_VDPAU_DECODER
582 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
585 MpegEncContext *s = &ctx->m;
586 struct vdpau_render_state *render, *last, *next;
589 if (!s->current_picture_ptr) return;
591 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
594 /* fill VdpPictureInfoMPEG4Part2 struct */
595 render->info.mpeg4.trd[0] = s->pp_time;
596 render->info.mpeg4.trb[0] = s->pb_time;
597 render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
598 render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
599 render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
600 render->info.mpeg4.vop_coding_type = 0;
601 render->info.mpeg4.vop_fcode_forward = s->f_code;
602 render->info.mpeg4.vop_fcode_backward = s->b_code;
603 render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
604 render->info.mpeg4.interlaced = !s->progressive_sequence;
605 render->info.mpeg4.quant_type = s->mpeg_quant;
606 render->info.mpeg4.quarter_sample = s->quarter_sample;
607 render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
608 render->info.mpeg4.rounding_control = s->no_rounding;
609 render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
610 render->info.mpeg4.top_field_first = s->top_field_first;
611 for (i = 0; i < 64; ++i) {
612 render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
613 render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
615 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
616 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
618 switch (s->pict_type) {
619 case AV_PICTURE_TYPE_B:
620 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
622 render->info.mpeg4.backward_reference = next->surface;
623 render->info.mpeg4.vop_coding_type = 2;
624 // no break here, going to set forward prediction
625 case AV_PICTURE_TYPE_P:
626 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
628 render->info.mpeg4.forward_reference = last->surface;
631 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
633 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
634 render->bitstream_buffers_used = 0;
636 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
638 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
640 #define PROFILE(prof) \
646 switch (avctx->codec_id) {
647 case AV_CODEC_ID_MPEG1VIDEO: PROFILE(VDP_DECODER_PROFILE_MPEG1);
648 case AV_CODEC_ID_MPEG2VIDEO:
649 switch (avctx->profile) {
650 case FF_PROFILE_MPEG2_MAIN: PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
651 case FF_PROFILE_MPEG2_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
652 default: return AVERROR(EINVAL);
654 case AV_CODEC_ID_H263: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
655 case AV_CODEC_ID_MPEG4:
656 switch (avctx->profile) {
657 case FF_PROFILE_MPEG4_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
658 case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
659 default: return AVERROR(EINVAL);
661 case AV_CODEC_ID_H264:
662 switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
663 case FF_PROFILE_H264_BASELINE: PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
664 case FF_PROFILE_H264_CONSTRAINED_BASELINE:
665 case FF_PROFILE_H264_MAIN: PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
666 case FF_PROFILE_H264_HIGH: PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
667 default: return AVERROR(EINVAL);
669 case AV_CODEC_ID_WMV3:
670 case AV_CODEC_ID_VC1:
671 switch (avctx->profile) {
672 case FF_PROFILE_VC1_SIMPLE: PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
673 case FF_PROFILE_VC1_MAIN: PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
674 case FF_PROFILE_VC1_ADVANCED: PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
675 default: return AVERROR(EINVAL);
678 return AVERROR(EINVAL);
681 AVVDPAUContext *av_vdpau_alloc_context(void)
683 return av_mallocz(sizeof(AVVDPAUContext));
686 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
687 VdpGetProcAddress *get_proc, unsigned flags)
689 VDPAUHWContext *hwctx;
691 if (flags & ~AV_HWACCEL_FLAG_IGNORE_LEVEL)
692 return AVERROR(EINVAL);
694 if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
695 return AVERROR(ENOMEM);
697 hwctx = avctx->hwaccel_context;
699 memset(hwctx, 0, sizeof(*hwctx));
700 hwctx->context.decoder = VDP_INVALID_HANDLE;
701 hwctx->device = device;
702 hwctx->get_proc_address = get_proc;
703 hwctx->flags = flags;