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
33 #include "vdpau_internal.h"
36 * @addtogroup VDPAU_Decoding
41 AVVDPAUContext *av_alloc_vdpaucontext(void)
43 return av_vdpau_alloc_context();
46 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
48 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
49 av_unused const uint8_t *buffer,
50 av_unused uint32_t size)
52 pic_ctx->bitstream_buffers_allocated = 0;
53 pic_ctx->bitstream_buffers_used = 0;
54 pic_ctx->bitstream_buffers = NULL;
58 #if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \
59 CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
60 CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
61 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
64 AVVDPAUContext *hwctx = avctx->hwaccel_context;
65 MpegEncContext *s = avctx->priv_data;
66 Picture *pic = s->current_picture_ptr;
67 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
68 VdpVideoSurface surf = ff_vdpau_get_surface_id(pic->f);
71 FF_DISABLE_DEPRECATION_WARNINGS
72 hwctx->info = pic_ctx->info;
73 hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
74 hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
75 hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
76 FF_ENABLE_DEPRECATION_WARNINGS
80 res = hwctx->render2(avctx, pic->f, (void *)&pic_ctx->info,
81 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
83 hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
84 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
86 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
87 av_freep(&pic_ctx->bitstream_buffers);
90 FF_DISABLE_DEPRECATION_WARNINGS
91 hwctx->bitstream_buffers = NULL;
92 hwctx->bitstream_buffers_used = 0;
93 hwctx->bitstream_buffers_allocated = 0;
94 FF_ENABLE_DEPRECATION_WARNINGS
101 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
102 const uint8_t *buf, uint32_t size)
104 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
106 buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
107 (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
109 return AVERROR(ENOMEM);
111 pic_ctx->bitstream_buffers = buffers;
112 buffers += pic_ctx->bitstream_buffers_used++;
114 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
115 buffers->bitstream = buf;
116 buffers->bitstream_bytes = size;
120 /* Obsolete non-hwaccel VDPAU support below... */
122 void ff_vdpau_h264_set_reference_frames(H264Context *h)
124 struct vdpau_render_state *render, *render_ref;
125 VdpReferenceFrameH264 *rf, *rf2;
127 int i, list, pic_frame_idx;
129 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
132 rf = &render->info.h264.referenceFrames[0];
133 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
135 for (list = 0; list < 2; ++list) {
136 H264Picture **lp = list ? h->long_ref : h->short_ref;
137 int ls = list ? 16 : h->short_ref_count;
139 for (i = 0; i < ls; ++i) {
141 if (!pic || !pic->reference)
143 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
145 render_ref = (struct vdpau_render_state *)pic->f.data[0];
148 rf2 = &render->info.h264.referenceFrames[0];
151 (rf2->surface == render_ref->surface)
152 && (rf2->is_long_term == pic->long_ref)
153 && (rf2->frame_idx == pic_frame_idx)
159 rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
160 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
164 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
167 rf->surface = render_ref->surface;
168 rf->is_long_term = pic->long_ref;
169 rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
170 rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
171 rf->field_order_cnt[0] = pic->field_poc[0];
172 rf->field_order_cnt[1] = pic->field_poc[1];
173 rf->frame_idx = pic_frame_idx;
179 for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
180 rf->surface = VDP_INVALID_HANDLE;
181 rf->is_long_term = 0;
182 rf->top_is_reference = 0;
183 rf->bottom_is_reference = 0;
184 rf->field_order_cnt[0] = 0;
185 rf->field_order_cnt[1] = 0;
190 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
192 struct vdpau_render_state *render = (struct vdpau_render_state*)data;
195 render->bitstream_buffers= av_fast_realloc(
196 render->bitstream_buffers,
197 &render->bitstream_buffers_allocated,
198 sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
201 render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
202 render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
203 render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
204 render->bitstream_buffers_used++;
207 #if CONFIG_H264_VDPAU_DECODER
208 void ff_vdpau_h264_picture_start(H264Context *h)
210 struct vdpau_render_state *render;
213 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
216 for (i = 0; i < 2; ++i) {
217 int foc = h->cur_pic_ptr->field_poc[i];
220 render->info.h264.field_order_cnt[i] = foc;
223 render->info.h264.frame_num = h->frame_num;
226 void ff_vdpau_h264_picture_complete(H264Context *h)
228 struct vdpau_render_state *render;
230 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
233 render->info.h264.slice_count = h->slice_num;
234 if (render->info.h264.slice_count < 1)
237 render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
238 render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
239 render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
240 render->info.h264.num_ref_frames = h->sps.ref_frame_count;
241 render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
242 render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
243 render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
244 render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
245 render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
246 render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
247 render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
248 render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
249 render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
250 render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
251 render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
252 render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
253 render->info.h264.pic_order_cnt_type = h->sps.poc_type;
254 render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
255 render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
256 render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
257 render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
258 render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
259 render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
260 render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
261 memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
262 memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
263 memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
265 ff_h264_draw_horiz_band(h, 0, h->avctx->height);
266 render->bitstream_buffers_used = 0;
268 #endif /* CONFIG_H264_VDPAU_DECODER */
270 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
271 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
272 int buf_size, int slice_count)
274 struct vdpau_render_state *render, *last, *next;
277 if (!s->current_picture_ptr) return;
279 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
282 /* fill VdpPictureInfoMPEG1Or2 struct */
283 render->info.mpeg.picture_structure = s->picture_structure;
284 render->info.mpeg.picture_coding_type = s->pict_type;
285 render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
286 render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
287 render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
288 render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
289 render->info.mpeg.alternate_scan = s->alternate_scan;
290 render->info.mpeg.q_scale_type = s->q_scale_type;
291 render->info.mpeg.top_field_first = s->top_field_first;
292 render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
293 render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
294 render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
295 render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
296 render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
297 render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
298 for (i = 0; i < 64; ++i) {
299 render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
300 render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
303 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
304 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
306 switch(s->pict_type){
307 case AV_PICTURE_TYPE_B:
308 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
310 render->info.mpeg.backward_reference = next->surface;
311 // no return here, going to set forward prediction
312 case AV_PICTURE_TYPE_P:
313 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
314 if (!last) // FIXME: Does this test make sense?
315 last = render; // predict second field from the first
316 render->info.mpeg.forward_reference = last->surface;
319 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
321 render->info.mpeg.slice_count = slice_count;
324 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
325 render->bitstream_buffers_used = 0;
327 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
329 #if CONFIG_VC1_VDPAU_DECODER
330 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
333 VC1Context *v = s->avctx->priv_data;
334 struct vdpau_render_state *render, *last, *next;
336 render = (struct vdpau_render_state *)s->current_picture.f->data[0];
339 /* fill LvPictureInfoVC1 struct */
340 render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
341 render->info.vc1.postprocflag = v->postprocflag;
342 render->info.vc1.pulldown = v->broadcast;
343 render->info.vc1.interlace = v->interlace;
344 render->info.vc1.tfcntrflag = v->tfcntrflag;
345 render->info.vc1.finterpflag = v->finterpflag;
346 render->info.vc1.psf = v->psf;
347 render->info.vc1.dquant = v->dquant;
348 render->info.vc1.panscan_flag = v->panscanflag;
349 render->info.vc1.refdist_flag = v->refdist_flag;
350 render->info.vc1.quantizer = v->quantizer_mode;
351 render->info.vc1.extended_mv = v->extended_mv;
352 render->info.vc1.extended_dmv = v->extended_dmv;
353 render->info.vc1.overlap = v->overlap;
354 render->info.vc1.vstransform = v->vstransform;
355 render->info.vc1.loopfilter = v->s.loop_filter;
356 render->info.vc1.fastuvmc = v->fastuvmc;
357 render->info.vc1.range_mapy_flag = v->range_mapy_flag;
358 render->info.vc1.range_mapy = v->range_mapy;
359 render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
360 render->info.vc1.range_mapuv = v->range_mapuv;
361 /* Specific to simple/main profile only */
362 render->info.vc1.multires = v->multires;
363 render->info.vc1.syncmarker = v->resync_marker;
364 render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
365 render->info.vc1.maxbframes = v->s.max_b_frames;
367 render->info.vc1.deblockEnable = v->postprocflag & 1;
368 render->info.vc1.pquant = v->pq;
370 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
371 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
374 render->info.vc1.picture_type = 4;
376 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
378 switch(s->pict_type){
379 case AV_PICTURE_TYPE_B:
380 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
382 render->info.vc1.backward_reference = next->surface;
383 // no break here, going to set forward prediction
384 case AV_PICTURE_TYPE_P:
385 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
386 if (!last) // FIXME: Does this test make sense?
387 last = render; // predict second field from the first
388 render->info.vc1.forward_reference = last->surface;
391 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
393 render->info.vc1.slice_count = 1;
395 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
396 render->bitstream_buffers_used = 0;
398 #endif /* (CONFIG_VC1_VDPAU_DECODER */
400 #if CONFIG_MPEG4_VDPAU_DECODER
401 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
404 MpegEncContext *s = &ctx->m;
405 struct vdpau_render_state *render, *last, *next;
408 if (!s->current_picture_ptr) return;
410 render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
413 /* fill VdpPictureInfoMPEG4Part2 struct */
414 render->info.mpeg4.trd[0] = s->pp_time;
415 render->info.mpeg4.trb[0] = s->pb_time;
416 render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
417 render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
418 render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
419 render->info.mpeg4.vop_coding_type = 0;
420 render->info.mpeg4.vop_fcode_forward = s->f_code;
421 render->info.mpeg4.vop_fcode_backward = s->b_code;
422 render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
423 render->info.mpeg4.interlaced = !s->progressive_sequence;
424 render->info.mpeg4.quant_type = s->mpeg_quant;
425 render->info.mpeg4.quarter_sample = s->quarter_sample;
426 render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
427 render->info.mpeg4.rounding_control = s->no_rounding;
428 render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
429 render->info.mpeg4.top_field_first = s->top_field_first;
430 for (i = 0; i < 64; ++i) {
431 render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
432 render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
434 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
435 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
437 switch (s->pict_type) {
438 case AV_PICTURE_TYPE_B:
439 next = (struct vdpau_render_state *)s->next_picture.f->data[0];
441 render->info.mpeg4.backward_reference = next->surface;
442 render->info.mpeg4.vop_coding_type = 2;
443 // no break here, going to set forward prediction
444 case AV_PICTURE_TYPE_P:
445 last = (struct vdpau_render_state *)s->last_picture.f->data[0];
447 render->info.mpeg4.forward_reference = last->surface;
450 ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
452 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
453 render->bitstream_buffers_used = 0;
455 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
457 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
459 #define PROFILE(prof) \
465 switch (avctx->codec_id) {
466 case AV_CODEC_ID_MPEG1VIDEO: PROFILE(VDP_DECODER_PROFILE_MPEG1);
467 case AV_CODEC_ID_MPEG2VIDEO:
468 switch (avctx->profile) {
469 case FF_PROFILE_MPEG2_MAIN: PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
470 case FF_PROFILE_MPEG2_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
471 default: return AVERROR(EINVAL);
473 case AV_CODEC_ID_H263: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
474 case AV_CODEC_ID_MPEG4:
475 switch (avctx->profile) {
476 case FF_PROFILE_MPEG4_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
477 case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
478 default: return AVERROR(EINVAL);
480 case AV_CODEC_ID_H264:
481 switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
482 case FF_PROFILE_H264_CONSTRAINED_BASELINE:
483 case FF_PROFILE_H264_BASELINE: PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
484 case FF_PROFILE_H264_MAIN: PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
485 case FF_PROFILE_H264_HIGH: PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
486 default: return AVERROR(EINVAL);
488 case AV_CODEC_ID_WMV3:
489 case AV_CODEC_ID_VC1:
490 switch (avctx->profile) {
491 case FF_PROFILE_VC1_SIMPLE: PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
492 case FF_PROFILE_VC1_MAIN: PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
493 case FF_PROFILE_VC1_ADVANCED: PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
494 default: return AVERROR(EINVAL);
497 return AVERROR(EINVAL);
500 AVVDPAUContext *av_vdpau_alloc_context(void)
502 return av_mallocz(sizeof(AVVDPAUContext));