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
31 #include "vdpau_compat.h"
32 #include "vdpau_internal.h"
34 // XXX: at the time of adding this ifdefery, av_assert* wasn't use outside.
35 // When dropping it, make sure other av_assert* were not added since then.
37 #include "libavutil/avassert.h"
46 * @addtogroup VDPAU_Decoding
51 static int vdpau_error(VdpStatus status)
56 case VDP_STATUS_NO_IMPLEMENTATION:
57 return AVERROR(ENOSYS);
58 case VDP_STATUS_DISPLAY_PREEMPTED:
60 case VDP_STATUS_INVALID_HANDLE:
61 return AVERROR(EBADF);
62 case VDP_STATUS_INVALID_POINTER:
63 return AVERROR(EFAULT);
64 case VDP_STATUS_RESOURCES:
65 return AVERROR(ENOBUFS);
66 case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
67 return AVERROR(EXDEV);
68 case VDP_STATUS_ERROR:
71 return AVERROR(EINVAL);
75 AVVDPAUContext *av_alloc_vdpaucontext(void)
77 return av_vdpau_alloc_context();
80 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
82 int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
84 uint32_t *width, uint32_t *height)
87 uint32_t w = avctx->coded_width;
88 uint32_t h = avctx->coded_height;
90 /* See <vdpau/vdpau.h> for per-type alignment constraints. */
91 switch (avctx->sw_pix_fmt) {
92 case AV_PIX_FMT_YUV420P:
93 case AV_PIX_FMT_YUVJ420P:
94 t = VDP_CHROMA_TYPE_420;
98 case AV_PIX_FMT_YUV422P:
99 case AV_PIX_FMT_YUVJ422P:
100 t = VDP_CHROMA_TYPE_422;
104 case AV_PIX_FMT_YUV444P:
105 case AV_PIX_FMT_YUVJ444P:
106 t = VDP_CHROMA_TYPE_444;
110 return AVERROR(ENOSYS);
122 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
125 VDPAUHWContext *hwctx = avctx->hwaccel_context;
126 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
127 VdpVideoSurfaceQueryCapabilities *surface_query_caps;
128 VdpDecoderQueryCapabilities *decoder_query_caps;
129 VdpDecoderCreate *create;
130 VdpGetInformationString *info;
131 const char *info_string;
135 uint32_t max_level, max_mb, max_width, max_height;
140 vdctx->width = UINT32_MAX;
141 vdctx->height = UINT32_MAX;
143 if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
144 return AVERROR(ENOSYS);
149 if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
150 vdctx->decoder = hwctx->context.decoder;
151 vdctx->render = hwctx->context.render;
152 vdctx->device = VDP_INVALID_HANDLE;
153 return 0; /* Decoder created by user */
156 vdctx->device = hwctx->device;
157 vdctx->get_proc_address = hwctx->get_proc_address;
159 if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
162 if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
163 type != VDP_CHROMA_TYPE_420)
164 return AVERROR(ENOSYS);
166 AVHWFramesContext *frames_ctx = NULL;
167 AVVDPAUDeviceContext *dev_ctx;
169 // We assume the hw_frames_ctx always survives until ff_vdpau_common_uninit
170 // is called. This holds true as the user is not allowed to touch
171 // hw_device_ctx, or hw_frames_ctx after get_format (and ff_get_format
172 // itself also uninits before unreffing hw_frames_ctx).
173 if (avctx->hw_frames_ctx) {
174 frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
175 } else if (avctx->hw_device_ctx) {
178 avctx->hw_frames_ctx = av_hwframe_ctx_alloc(avctx->hw_device_ctx);
179 if (!avctx->hw_frames_ctx)
180 return AVERROR(ENOMEM);
182 frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
183 frames_ctx->format = AV_PIX_FMT_VDPAU;
184 frames_ctx->sw_format = avctx->sw_pix_fmt;
185 frames_ctx->width = avctx->coded_width;
186 frames_ctx->height = avctx->coded_height;
188 ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
190 av_buffer_unref(&avctx->hw_frames_ctx);
196 av_log(avctx, AV_LOG_ERROR, "A hardware frames context is "
197 "required for VDPAU decoding.\n");
198 return AVERROR(EINVAL);
201 dev_ctx = frames_ctx->device_ctx->hwctx;
203 vdctx->device = dev_ctx->device;
204 vdctx->get_proc_address = dev_ctx->get_proc_address;
206 if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
211 return AVERROR(ENOTSUP);
213 status = vdctx->get_proc_address(vdctx->device,
214 VDP_FUNC_ID_GET_INFORMATION_STRING,
216 if (status != VDP_STATUS_OK)
217 return vdpau_error(status);
221 status = info(&info_string);
222 if (status != VDP_STATUS_OK)
223 return vdpau_error(status);
224 if (avctx->codec_id == AV_CODEC_ID_HEVC && strncmp(info_string, "NVIDIA ", 7) == 0 &&
225 !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
226 av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");
227 return AVERROR(ENOTSUP);
230 status = vdctx->get_proc_address(vdctx->device,
231 VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
233 if (status != VDP_STATUS_OK)
234 return vdpau_error(status);
236 surface_query_caps = func;
238 status = surface_query_caps(vdctx->device, type, &supported,
239 &max_width, &max_height);
240 if (status != VDP_STATUS_OK)
241 return vdpau_error(status);
242 if (supported != VDP_TRUE ||
243 max_width < width || max_height < height)
244 return AVERROR(ENOTSUP);
246 status = vdctx->get_proc_address(vdctx->device,
247 VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
249 if (status != VDP_STATUS_OK)
250 return vdpau_error(status);
252 decoder_query_caps = func;
254 status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
255 &max_mb, &max_width, &max_height);
256 #ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
257 if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
258 profile = VDP_DECODER_PROFILE_H264_MAIN;
259 status = decoder_query_caps(vdctx->device, profile, &supported,
261 &max_width, &max_height);
264 if (status != VDP_STATUS_OK)
265 return vdpau_error(status);
267 if (supported != VDP_TRUE || max_level < level ||
268 max_width < width || max_height < height)
269 return AVERROR(ENOTSUP);
271 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
273 if (status != VDP_STATUS_OK)
274 return vdpau_error(status);
278 status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
280 if (status != VDP_STATUS_OK)
281 return vdpau_error(status);
283 vdctx->render = func;
285 status = create(vdctx->device, profile, width, height, avctx->refs,
287 if (status == VDP_STATUS_OK) {
288 vdctx->width = avctx->coded_width;
289 vdctx->height = avctx->coded_height;
292 return vdpau_error(status);
295 int ff_vdpau_common_uninit(AVCodecContext *avctx)
297 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
298 VdpDecoderDestroy *destroy;
302 if (vdctx->device == VDP_INVALID_HANDLE)
303 return 0; /* Decoder created and destroyed by user */
304 if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
307 status = vdctx->get_proc_address(vdctx->device,
308 VDP_FUNC_ID_DECODER_DESTROY, &func);
309 if (status != VDP_STATUS_OK)
310 return vdpau_error(status);
314 status = destroy(vdctx->decoder);
315 return vdpau_error(status);
318 static int ff_vdpau_common_reinit(AVCodecContext *avctx)
320 VDPAUHWContext *hwctx = avctx->hwaccel_context;
321 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
323 if (vdctx->device == VDP_INVALID_HANDLE)
324 return 0; /* Decoder created by user */
325 if (avctx->coded_width == vdctx->width &&
326 avctx->coded_height == vdctx->height && (!hwctx || !hwctx->reset))
329 avctx->hwaccel->uninit(avctx);
330 return avctx->hwaccel->init(avctx);
333 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
334 av_unused const uint8_t *buffer,
335 av_unused uint32_t size)
337 pic_ctx->bitstream_buffers_allocated = 0;
338 pic_ctx->bitstream_buffers_used = 0;
339 pic_ctx->bitstream_buffers = NULL;
343 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
344 struct vdpau_picture_context *pic_ctx)
346 VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
347 AVVDPAUContext *hwctx = avctx->hwaccel_context;
348 VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
352 val = ff_vdpau_common_reinit(avctx);
356 #if FF_API_BUFS_VDPAU
357 FF_DISABLE_DEPRECATION_WARNINGS
359 av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
360 memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
361 hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
362 hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
363 hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
365 FF_ENABLE_DEPRECATION_WARNINGS
368 if (hwctx && !hwctx->render && hwctx->render2) {
369 status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
370 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
372 status = vdctx->render(vdctx->decoder, surf, &pic_ctx->info,
373 pic_ctx->bitstream_buffers_used,
374 pic_ctx->bitstream_buffers);
376 av_freep(&pic_ctx->bitstream_buffers);
378 #if FF_API_BUFS_VDPAU
379 FF_DISABLE_DEPRECATION_WARNINGS
381 hwctx->bitstream_buffers = NULL;
382 hwctx->bitstream_buffers_used = 0;
383 hwctx->bitstream_buffers_allocated = 0;
385 FF_ENABLE_DEPRECATION_WARNINGS
388 return vdpau_error(status);
391 #if CONFIG_MPEG1_VDPAU_HWACCEL || \
392 CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
393 CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
394 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
396 MpegEncContext *s = avctx->priv_data;
397 Picture *pic = s->current_picture_ptr;
398 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
401 val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
405 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
410 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
411 const uint8_t *buf, uint32_t size)
413 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
415 buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
416 (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
418 return AVERROR(ENOMEM);
420 pic_ctx->bitstream_buffers = buffers;
421 buffers += pic_ctx->bitstream_buffers_used++;
423 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
424 buffers->bitstream = buf;
425 buffers->bitstream_bytes = size;
429 /* Obsolete non-hwaccel VDPAU support below... */
432 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
434 struct vdpau_render_state *render = (struct vdpau_render_state*)data;
437 render->bitstream_buffers= av_fast_realloc(
438 render->bitstream_buffers,
439 &render->bitstream_buffers_allocated,
440 sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
443 render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
444 render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
445 render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
446 render->bitstream_buffers_used++;
449 #if CONFIG_H264_VDPAU_DECODER
450 void ff_vdpau_h264_set_reference_frames(H264Context *h)
452 struct vdpau_render_state *render, *render_ref;
453 VdpReferenceFrameH264 *rf, *rf2;
455 int i, list, pic_frame_idx;
457 render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
460 rf = &render->info.h264.referenceFrames[0];
461 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
463 for (list = 0; list < 2; ++list) {
464 H264Picture **lp = list ? h->long_ref : h->short_ref;
465 int ls = list ? 16 : h->short_ref_count;
467 for (i = 0; i < ls; ++i) {
469 if (!pic || !pic->reference)
471 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
473 render_ref = (struct vdpau_render_state *)pic->f->data[0];
476 rf2 = &render->info.h264.referenceFrames[0];
479 (rf2->surface == render_ref->surface)
480 && (rf2->is_long_term == pic->long_ref)
481 && (rf2->frame_idx == pic_frame_idx)
487 rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
488 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
492 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
495 rf->surface = render_ref->surface;
496 rf->is_long_term = pic->long_ref;
497 rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
498 rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
499 rf->field_order_cnt[0] = pic->field_poc[0];
500 rf->field_order_cnt[1] = pic->field_poc[1];
501 rf->frame_idx = pic_frame_idx;
507 for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
508 rf->surface = VDP_INVALID_HANDLE;
509 rf->is_long_term = 0;
510 rf->top_is_reference = 0;
511 rf->bottom_is_reference = 0;
512 rf->field_order_cnt[0] = 0;
513 rf->field_order_cnt[1] = 0;
518 void ff_vdpau_h264_picture_start(H264Context *h)
520 struct vdpau_render_state *render;
523 render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
526 for (i = 0; i < 2; ++i) {
527 int foc = h->cur_pic_ptr->field_poc[i];
530 render->info.h264.field_order_cnt[i] = foc;
533 render->info.h264.frame_num = h->poc.frame_num;
536 void ff_vdpau_h264_picture_complete(H264Context *h)
538 struct vdpau_render_state *render;
540 render = (struct vdpau_render_state *)h->cur_pic_ptr->f->data[0];
543 render->info.h264.slice_count = h->current_slice;
544 if (render->info.h264.slice_count < 1)
547 render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
548 render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
549 render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
550 render->info.h264.num_ref_frames = h->ps.sps->ref_frame_count;
551 render->info.h264.mb_adaptive_frame_field_flag = h->ps.sps->mb_aff && !render->info.h264.field_pic_flag;
552 render->info.h264.constrained_intra_pred_flag = h->ps.pps->constrained_intra_pred;
553 render->info.h264.weighted_pred_flag = h->ps.pps->weighted_pred;
554 render->info.h264.weighted_bipred_idc = h->ps.pps->weighted_bipred_idc;
555 render->info.h264.frame_mbs_only_flag = h->ps.sps->frame_mbs_only_flag;
556 render->info.h264.transform_8x8_mode_flag = h->ps.pps->transform_8x8_mode;
557 render->info.h264.chroma_qp_index_offset = h->ps.pps->chroma_qp_index_offset[0];
558 render->info.h264.second_chroma_qp_index_offset = h->ps.pps->chroma_qp_index_offset[1];
559 render->info.h264.pic_init_qp_minus26 = h->ps.pps->init_qp - 26;
560 render->info.h264.num_ref_idx_l0_active_minus1 = h->ps.pps->ref_count[0] - 1;
561 render->info.h264.num_ref_idx_l1_active_minus1 = h->ps.pps->ref_count[1] - 1;
562 render->info.h264.log2_max_frame_num_minus4 = h->ps.sps->log2_max_frame_num - 4;
563 render->info.h264.pic_order_cnt_type = h->ps.sps->poc_type;
564 render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->ps.sps->poc_type ? 0 : h->ps.sps->log2_max_poc_lsb - 4;
565 render->info.h264.delta_pic_order_always_zero_flag = h->ps.sps->delta_pic_order_always_zero_flag;
566 render->info.h264.direct_8x8_inference_flag = h->ps.sps->direct_8x8_inference_flag;
567 render->info.h264.entropy_coding_mode_flag = h->ps.pps->cabac;
568 render->info.h264.pic_order_present_flag = h->ps.pps->pic_order_present;
569 render->info.h264.deblocking_filter_control_present_flag = h->ps.pps->deblocking_filter_parameters_present;
570 render->info.h264.redundant_pic_cnt_present_flag = h->ps.pps->redundant_pic_cnt_present;
571 memcpy(render->info.h264.scaling_lists_4x4, h->ps.pps->scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
572 memcpy(render->info.h264.scaling_lists_8x8[0], h->ps.pps->scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
573 memcpy(render->info.h264.scaling_lists_8x8[1], h->ps.pps->scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
575 ff_h264_draw_horiz_band(h, &h->slice_ctx[0], 0, h->avctx->height);
576 render->bitstream_buffers_used = 0;
578 #endif /* CONFIG_H264_VDPAU_DECODER */
580 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
581 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
582 int buf_size, int slice_count)
584 struct vdpau_render_state *render, *last, *next;
587 if (!s->current_picture_ptr) return;
589 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
592 /* fill VdpPictureInfoMPEG1Or2 struct */
593 render->info.mpeg.picture_structure = s->picture_structure;
594 render->info.mpeg.picture_coding_type = s->pict_type;
595 render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
596 render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
597 render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
598 render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
599 render->info.mpeg.alternate_scan = s->alternate_scan;
600 render->info.mpeg.q_scale_type = s->q_scale_type;
601 render->info.mpeg.top_field_first = s->top_field_first;
602 render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
603 render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
604 render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
605 render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
606 render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
607 render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
608 for (i = 0; i < 64; ++i) {
609 render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
610 render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
613 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
614 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
616 switch(s->pict_type){
617 case AV_PICTURE_TYPE_B:
618 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
620 render->info.mpeg.backward_reference = next->surface;
621 // no return here, going to set forward prediction
622 case AV_PICTURE_TYPE_P:
623 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
624 if (!last) // FIXME: Does this test make sense?
625 last = render; // predict second field from the first
626 render->info.mpeg.forward_reference = last->surface;
629 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
631 render->info.mpeg.slice_count = slice_count;
634 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
635 render->bitstream_buffers_used = 0;
637 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
639 #if CONFIG_VC1_VDPAU_DECODER
640 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
643 VC1Context *v = s->avctx->priv_data;
644 struct vdpau_render_state *render, *last, *next;
646 render = (struct vdpau_render_state *)s->current_picture.f->data[0];
649 /* fill LvPictureInfoVC1 struct */
650 render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
651 render->info.vc1.postprocflag = v->postprocflag;
652 render->info.vc1.pulldown = v->broadcast;
653 render->info.vc1.interlace = v->interlace;
654 render->info.vc1.tfcntrflag = v->tfcntrflag;
655 render->info.vc1.finterpflag = v->finterpflag;
656 render->info.vc1.psf = v->psf;
657 render->info.vc1.dquant = v->dquant;
658 render->info.vc1.panscan_flag = v->panscanflag;
659 render->info.vc1.refdist_flag = v->refdist_flag;
660 render->info.vc1.quantizer = v->quantizer_mode;
661 render->info.vc1.extended_mv = v->extended_mv;
662 render->info.vc1.extended_dmv = v->extended_dmv;
663 render->info.vc1.overlap = v->overlap;
664 render->info.vc1.vstransform = v->vstransform;
665 render->info.vc1.loopfilter = v->s.loop_filter;
666 render->info.vc1.fastuvmc = v->fastuvmc;
667 render->info.vc1.range_mapy_flag = v->range_mapy_flag;
668 render->info.vc1.range_mapy = v->range_mapy;
669 render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
670 render->info.vc1.range_mapuv = v->range_mapuv;
671 /* Specific to simple/main profile only */
672 render->info.vc1.multires = v->multires;
673 render->info.vc1.syncmarker = v->resync_marker;
674 render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
675 render->info.vc1.maxbframes = v->s.max_b_frames;
677 render->info.vc1.deblockEnable = v->postprocflag & 1;
678 render->info.vc1.pquant = v->pq;
680 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
681 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
684 render->info.vc1.picture_type = 4;
686 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
688 switch(s->pict_type){
689 case AV_PICTURE_TYPE_B:
690 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
692 render->info.vc1.backward_reference = next->surface;
693 // no break here, going to set forward prediction
694 case AV_PICTURE_TYPE_P:
695 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
696 if (!last) // FIXME: Does this test make sense?
697 last = render; // predict second field from the first
698 render->info.vc1.forward_reference = last->surface;
701 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
703 render->info.vc1.slice_count = 1;
705 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
706 render->bitstream_buffers_used = 0;
708 #endif /* (CONFIG_VC1_VDPAU_DECODER */
710 #if CONFIG_MPEG4_VDPAU_DECODER
711 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
714 MpegEncContext *s = &ctx->m;
715 struct vdpau_render_state *render, *last, *next;
718 if (!s->current_picture_ptr) return;
720 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
723 /* fill VdpPictureInfoMPEG4Part2 struct */
724 render->info.mpeg4.trd[0] = s->pp_time;
725 render->info.mpeg4.trb[0] = s->pb_time;
726 render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
727 render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
728 render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
729 render->info.mpeg4.vop_coding_type = 0;
730 render->info.mpeg4.vop_fcode_forward = s->f_code;
731 render->info.mpeg4.vop_fcode_backward = s->b_code;
732 render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
733 render->info.mpeg4.interlaced = !s->progressive_sequence;
734 render->info.mpeg4.quant_type = s->mpeg_quant;
735 render->info.mpeg4.quarter_sample = s->quarter_sample;
736 render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
737 render->info.mpeg4.rounding_control = s->no_rounding;
738 render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
739 render->info.mpeg4.top_field_first = s->top_field_first;
740 for (i = 0; i < 64; ++i) {
741 render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
742 render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
744 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
745 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
747 switch (s->pict_type) {
748 case AV_PICTURE_TYPE_B:
749 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
751 render->info.mpeg4.backward_reference = next->surface;
752 render->info.mpeg4.vop_coding_type = 2;
753 // no break here, going to set forward prediction
754 case AV_PICTURE_TYPE_P:
755 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
757 render->info.mpeg4.forward_reference = last->surface;
760 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
762 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
763 render->bitstream_buffers_used = 0;
765 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
766 #endif /* FF_API_VDPAU */
768 #if FF_API_VDPAU_PROFILE
769 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
771 #define PROFILE(prof) \
773 *profile = VDP_DECODER_PROFILE_##prof; \
777 switch (avctx->codec_id) {
778 case AV_CODEC_ID_MPEG1VIDEO: PROFILE(MPEG1);
779 case AV_CODEC_ID_MPEG2VIDEO:
780 switch (avctx->profile) {
781 case FF_PROFILE_MPEG2_MAIN: PROFILE(MPEG2_MAIN);
782 case FF_PROFILE_MPEG2_SIMPLE: PROFILE(MPEG2_SIMPLE);
783 default: return AVERROR(EINVAL);
785 case AV_CODEC_ID_H263: PROFILE(MPEG4_PART2_ASP);
786 case AV_CODEC_ID_MPEG4:
787 switch (avctx->profile) {
788 case FF_PROFILE_MPEG4_SIMPLE: PROFILE(MPEG4_PART2_SP);
789 case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
790 default: return AVERROR(EINVAL);
792 case AV_CODEC_ID_H264:
793 switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
794 case FF_PROFILE_H264_BASELINE: PROFILE(H264_BASELINE);
795 case FF_PROFILE_H264_CONSTRAINED_BASELINE:
796 case FF_PROFILE_H264_MAIN: PROFILE(H264_MAIN);
797 case FF_PROFILE_H264_HIGH: PROFILE(H264_HIGH);
798 #ifdef VDP_DECODER_PROFILE_H264_EXTENDED
799 case FF_PROFILE_H264_EXTENDED: PROFILE(H264_EXTENDED);
801 default: return AVERROR(EINVAL);
803 case AV_CODEC_ID_WMV3:
804 case AV_CODEC_ID_VC1:
805 switch (avctx->profile) {
806 case FF_PROFILE_VC1_SIMPLE: PROFILE(VC1_SIMPLE);
807 case FF_PROFILE_VC1_MAIN: PROFILE(VC1_MAIN);
808 case FF_PROFILE_VC1_ADVANCED: PROFILE(VC1_ADVANCED);
809 default: return AVERROR(EINVAL);
812 return AVERROR(EINVAL);
815 #endif /* FF_API_VDPAU_PROFILE */
817 AVVDPAUContext *av_vdpau_alloc_context(void)
819 return av_mallocz(sizeof(AVVDPAUContext));
822 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
823 VdpGetProcAddress *get_proc, unsigned flags)
825 VDPAUHWContext *hwctx;
827 if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
828 return AVERROR(EINVAL);
830 if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
831 return AVERROR(ENOMEM);
833 hwctx = avctx->hwaccel_context;
835 memset(hwctx, 0, sizeof(*hwctx));
836 hwctx->context.decoder = VDP_INVALID_HANDLE;
837 hwctx->device = device;
838 hwctx->get_proc_address = get_proc;
839 hwctx->flags = flags;