2 * Intel MediaSDK QSV encoder utility functions
4 * copyright (c) 2013 Yukinori Yamazoe
5 * copyright (c) 2015 Anton Khirnov
7 * This file is part of Libav.
9 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include <sys/types.h>
26 #include <mfx/mfxvideo.h>
28 #include "libavutil/common.h"
29 #include "libavutil/hwcontext.h"
30 #include "libavutil/hwcontext_qsv.h"
31 #include "libavutil/mem.h"
32 #include "libavutil/log.h"
33 #include "libavutil/time.h"
34 #include "libavutil/imgutils.h"
39 #include "qsv_internal.h"
46 { MFX_PROFILE_AVC_BASELINE, "baseline" },
47 { MFX_PROFILE_AVC_MAIN, "main" },
48 { MFX_PROFILE_AVC_EXTENDED, "extended" },
49 { MFX_PROFILE_AVC_HIGH, "high" },
50 #if QSV_VERSION_ATLEAST(1, 15)
51 { MFX_PROFILE_AVC_HIGH_422, "high 422" },
53 #if QSV_VERSION_ATLEAST(1, 4)
54 { MFX_PROFILE_AVC_CONSTRAINED_BASELINE, "constrained baseline" },
55 { MFX_PROFILE_AVC_CONSTRAINED_HIGH, "constrained high" },
56 { MFX_PROFILE_AVC_PROGRESSIVE_HIGH, "progressive high" },
58 { MFX_PROFILE_MPEG2_SIMPLE, "simple" },
59 { MFX_PROFILE_MPEG2_MAIN, "main" },
60 { MFX_PROFILE_MPEG2_HIGH, "high" },
61 { MFX_PROFILE_VC1_SIMPLE, "simple" },
62 { MFX_PROFILE_VC1_MAIN, "main" },
63 { MFX_PROFILE_VC1_ADVANCED, "advanced" },
64 #if QSV_VERSION_ATLEAST(1, 8)
65 { MFX_PROFILE_HEVC_MAIN, "main" },
66 { MFX_PROFILE_HEVC_MAIN10, "main10" },
67 { MFX_PROFILE_HEVC_MAINSP, "mainsp" },
71 static const char *print_profile(mfxU16 profile)
74 for (i = 0; i < FF_ARRAY_ELEMS(profile_names); i++)
75 if (profile == profile_names[i].profile)
76 return profile_names[i].name;
84 { MFX_RATECONTROL_CBR, "CBR" },
85 { MFX_RATECONTROL_VBR, "VBR" },
86 { MFX_RATECONTROL_CQP, "CQP" },
87 { MFX_RATECONTROL_AVBR, "AVBR" },
89 { MFX_RATECONTROL_LA, "LA" },
92 { MFX_RATECONTROL_ICQ, "ICQ" },
93 { MFX_RATECONTROL_LA_ICQ, "LA_ICQ" },
96 { MFX_RATECONTROL_VCM, "VCM" },
98 #if QSV_VERSION_ATLEAST(1, 10)
99 { MFX_RATECONTROL_LA_EXT, "LA_EXT" },
102 { MFX_RATECONTROL_LA_HRD, "LA_HRD" },
105 { MFX_RATECONTROL_QVBR, "QVBR" },
109 static const char *print_ratecontrol(mfxU16 rc_mode)
112 for (i = 0; i < FF_ARRAY_ELEMS(rc_names); i++)
113 if (rc_mode == rc_names[i].rc_mode)
114 return rc_names[i].name;
118 static const char *print_threestate(mfxU16 val)
120 if (val == MFX_CODINGOPTION_ON)
122 else if (val == MFX_CODINGOPTION_OFF)
127 static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
128 mfxExtBuffer **coding_opts)
130 mfxInfoMFX *info = &q->param.mfx;
132 mfxExtCodingOption *co = (mfxExtCodingOption*)coding_opts[0];
134 mfxExtCodingOption2 *co2 = (mfxExtCodingOption2*)coding_opts[1];
137 mfxExtCodingOption3 *co3 = (mfxExtCodingOption3*)coding_opts[2];
140 av_log(avctx, AV_LOG_VERBOSE, "profile: %s; level: %"PRIu16"\n",
141 print_profile(info->CodecProfile), info->CodecLevel);
143 av_log(avctx, AV_LOG_VERBOSE, "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag: ",
144 info->GopPicSize, info->GopRefDist);
145 if (info->GopOptFlag & MFX_GOP_CLOSED)
146 av_log(avctx, AV_LOG_VERBOSE, "closed ");
147 if (info->GopOptFlag & MFX_GOP_STRICT)
148 av_log(avctx, AV_LOG_VERBOSE, "strict ");
149 av_log(avctx, AV_LOG_VERBOSE, "; IdrInterval: %"PRIu16"\n", info->IdrInterval);
151 av_log(avctx, AV_LOG_VERBOSE, "TargetUsage: %"PRIu16"; RateControlMethod: %s\n",
152 info->TargetUsage, print_ratecontrol(info->RateControlMethod));
154 if (info->RateControlMethod == MFX_RATECONTROL_CBR ||
155 info->RateControlMethod == MFX_RATECONTROL_VBR
157 || info->RateControlMethod == MFX_RATECONTROL_VCM
160 av_log(avctx, AV_LOG_VERBOSE,
161 "InitialDelayInKB: %"PRIu16"; TargetKbps: %"PRIu16"; MaxKbps: %"PRIu16"\n",
162 info->InitialDelayInKB, info->TargetKbps, info->MaxKbps);
163 } else if (info->RateControlMethod == MFX_RATECONTROL_CQP) {
164 av_log(avctx, AV_LOG_VERBOSE, "QPI: %"PRIu16"; QPP: %"PRIu16"; QPB: %"PRIu16"\n",
165 info->QPI, info->QPP, info->QPB);
166 } else if (info->RateControlMethod == MFX_RATECONTROL_AVBR) {
167 av_log(avctx, AV_LOG_VERBOSE,
168 "TargetKbps: %"PRIu16"; Accuracy: %"PRIu16"; Convergence: %"PRIu16"\n",
169 info->TargetKbps, info->Accuracy, info->Convergence);
172 else if (info->RateControlMethod == MFX_RATECONTROL_LA
174 || info->RateControlMethod == MFX_RATECONTROL_LA_HRD
177 av_log(avctx, AV_LOG_VERBOSE,
178 "TargetKbps: %"PRIu16"; LookAheadDepth: %"PRIu16"\n",
179 info->TargetKbps, co2->LookAheadDepth);
183 else if (info->RateControlMethod == MFX_RATECONTROL_ICQ) {
184 av_log(avctx, AV_LOG_VERBOSE, "ICQQuality: %"PRIu16"\n", info->ICQQuality);
185 } else if (info->RateControlMethod == MFX_RATECONTROL_LA_ICQ) {
186 av_log(avctx, AV_LOG_VERBOSE, "ICQQuality: %"PRIu16"; LookAheadDepth: %"PRIu16"\n",
187 info->ICQQuality, co2->LookAheadDepth);
191 else if (info->RateControlMethod == MFX_RATECONTROL_QVBR) {
192 av_log(avctx, AV_LOG_VERBOSE, "QVBRQuality: %"PRIu16"\n",
197 av_log(avctx, AV_LOG_VERBOSE, "NumSlice: %"PRIu16"; NumRefFrame: %"PRIu16"\n",
198 info->NumSlice, info->NumRefFrame);
199 av_log(avctx, AV_LOG_VERBOSE, "RateDistortionOpt: %s\n",
200 print_threestate(co->RateDistortionOpt));
203 av_log(avctx, AV_LOG_VERBOSE,
204 "RecoveryPointSEI: %s IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16"; IntRefQPDelta: %"PRId16"\n",
205 print_threestate(co->RecoveryPointSEI), co2->IntRefType, co2->IntRefCycleSize, co2->IntRefQPDelta);
207 av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %"PRIu16"; ", co2->MaxFrameSize);
208 #if QSV_HAVE_MAX_SLICE_SIZE
209 av_log(avctx, AV_LOG_VERBOSE, "MaxSliceSize: %"PRIu16"; ", co2->MaxSliceSize);
211 av_log(avctx, AV_LOG_VERBOSE, "\n");
213 av_log(avctx, AV_LOG_VERBOSE,
214 "BitrateLimit: %s; MBBRC: %s; ExtBRC: %s\n",
215 print_threestate(co2->BitrateLimit), print_threestate(co2->MBBRC),
216 print_threestate(co2->ExtBRC));
219 av_log(avctx, AV_LOG_VERBOSE, "Trellis: ");
220 if (co2->Trellis & MFX_TRELLIS_OFF) {
221 av_log(avctx, AV_LOG_VERBOSE, "off");
222 } else if (!co2->Trellis) {
223 av_log(avctx, AV_LOG_VERBOSE, "auto");
225 if (co2->Trellis & MFX_TRELLIS_I) av_log(avctx, AV_LOG_VERBOSE, "I");
226 if (co2->Trellis & MFX_TRELLIS_P) av_log(avctx, AV_LOG_VERBOSE, "P");
227 if (co2->Trellis & MFX_TRELLIS_B) av_log(avctx, AV_LOG_VERBOSE, "B");
229 av_log(avctx, AV_LOG_VERBOSE, "\n");
232 #if QSV_VERSION_ATLEAST(1, 8)
233 av_log(avctx, AV_LOG_VERBOSE,
234 "RepeatPPS: %s; NumMbPerSlice: %"PRIu16"; LookAheadDS: ",
235 print_threestate(co2->RepeatPPS), co2->NumMbPerSlice);
236 switch (co2->LookAheadDS) {
237 case MFX_LOOKAHEAD_DS_OFF: av_log(avctx, AV_LOG_VERBOSE, "off"); break;
238 case MFX_LOOKAHEAD_DS_2x: av_log(avctx, AV_LOG_VERBOSE, "2x"); break;
239 case MFX_LOOKAHEAD_DS_4x: av_log(avctx, AV_LOG_VERBOSE, "4x"); break;
240 default: av_log(avctx, AV_LOG_VERBOSE, "unknown"); break;
242 av_log(avctx, AV_LOG_VERBOSE, "\n");
244 av_log(avctx, AV_LOG_VERBOSE, "AdaptiveI: %s; AdaptiveB: %s; BRefType: ",
245 print_threestate(co2->AdaptiveI), print_threestate(co2->AdaptiveB));
246 switch (co2->BRefType) {
247 case MFX_B_REF_OFF: av_log(avctx, AV_LOG_VERBOSE, "off"); break;
248 case MFX_B_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid"); break;
249 default: av_log(avctx, AV_LOG_VERBOSE, "auto"); break;
251 av_log(avctx, AV_LOG_VERBOSE, "\n");
254 #if QSV_VERSION_ATLEAST(1, 9)
255 av_log(avctx, AV_LOG_VERBOSE,
256 "MinQPI: %"PRIu8"; MaxQPI: %"PRIu8"; MinQPP: %"PRIu8"; MaxQPP: %"PRIu8"; MinQPB: %"PRIu8"; MaxQPB: %"PRIu8"\n",
257 co2->MinQPI, co2->MaxQPI, co2->MinQPP, co2->MaxQPP, co2->MinQPB, co2->MaxQPB);
261 if (avctx->codec_id == AV_CODEC_ID_H264) {
262 av_log(avctx, AV_LOG_VERBOSE, "Entropy coding: %s; MaxDecFrameBuffering: %"PRIu16"\n",
263 co->CAVLC == MFX_CODINGOPTION_ON ? "CAVLC" : "CABAC", co->MaxDecFrameBuffering);
264 av_log(avctx, AV_LOG_VERBOSE,
265 "NalHrdConformance: %s; SingleSeiNalUnit: %s; VuiVclHrdParameters: %s VuiNalHrdParameters: %s\n",
266 print_threestate(co->NalHrdConformance), print_threestate(co->SingleSeiNalUnit),
267 print_threestate(co->VuiVclHrdParameters), print_threestate(co->VuiNalHrdParameters));
271 static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q)
276 int want_la = q->la_depth >= 0;
277 int want_qscale = !!(avctx->flags & AV_CODEC_FLAG_QSCALE);
278 int want_vcm = q->vcm;
280 if (want_la && !QSV_HAVE_LA) {
281 av_log(avctx, AV_LOG_ERROR,
282 "Lookahead ratecontrol mode requested, but is not supported by this SDK version\n");
283 return AVERROR(ENOSYS);
285 if (want_vcm && !QSV_HAVE_VCM) {
286 av_log(avctx, AV_LOG_ERROR,
287 "VCM ratecontrol mode requested, but is not supported by this SDK version\n");
288 return AVERROR(ENOSYS);
291 if (want_la + want_qscale + want_vcm > 1) {
292 av_log(avctx, AV_LOG_ERROR,
293 "More than one of: { constant qscale, lookahead, VCM } requested, "
294 "only one of them can be used at a time.\n");
295 return AVERROR(EINVAL);
299 rc_mode = MFX_RATECONTROL_CQP;
300 rc_desc = "constant quantization parameter (CQP)";
304 rc_mode = MFX_RATECONTROL_VCM;
305 rc_desc = "video conferencing mode (VCM)";
310 rc_mode = MFX_RATECONTROL_LA;
311 rc_desc = "VBR with lookahead (LA)";
314 if (avctx->global_quality > 0) {
315 rc_mode = MFX_RATECONTROL_LA_ICQ;
316 rc_desc = "intelligent constant quality with lookahead (LA_ICQ)";
322 else if (avctx->global_quality > 0) {
323 rc_mode = MFX_RATECONTROL_ICQ;
324 rc_desc = "intelligent constant quality (ICQ)";
327 else if (avctx->rc_max_rate == avctx->bit_rate) {
328 rc_mode = MFX_RATECONTROL_CBR;
329 rc_desc = "constant bitrate (CBR)";
330 } else if (!avctx->rc_max_rate) {
331 rc_mode = MFX_RATECONTROL_AVBR;
332 rc_desc = "average variable bitrate (AVBR)";
334 rc_mode = MFX_RATECONTROL_VBR;
335 rc_desc = "variable bitrate (VBR)";
338 q->param.mfx.RateControlMethod = rc_mode;
339 av_log(avctx, AV_LOG_VERBOSE, "Using the %s ratecontrol method\n", rc_desc);
344 static int rc_supported(QSVEncContext *q)
346 mfxVideoParam param_out = { .mfx.CodecId = q->param.mfx.CodecId };
349 ret = MFXVideoENCODE_Query(q->session, &q->param, ¶m_out);
351 param_out.mfx.RateControlMethod != q->param.mfx.RateControlMethod)
356 static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
358 enum AVPixelFormat sw_format = avctx->pix_fmt == AV_PIX_FMT_QSV ?
359 avctx->sw_pix_fmt : avctx->pix_fmt;
360 const AVPixFmtDescriptor *desc;
364 ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
367 q->param.mfx.CodecId = ret;
369 q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
371 if (avctx->level > 0)
372 q->param.mfx.CodecLevel = avctx->level;
374 q->param.mfx.CodecProfile = q->profile;
375 q->param.mfx.TargetUsage = q->preset;
376 q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
377 q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
378 q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
380 q->param.mfx.IdrInterval = q->idr_interval;
381 q->param.mfx.NumSlice = avctx->slices;
382 q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
383 q->param.mfx.EncodedOrder = 0;
384 q->param.mfx.BufferSizeInKB = 0;
386 desc = av_pix_fmt_desc_get(sw_format);
390 ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
392 q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
393 q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, 32);
394 q->param.mfx.FrameInfo.CropX = 0;
395 q->param.mfx.FrameInfo.CropY = 0;
396 q->param.mfx.FrameInfo.CropW = avctx->width;
397 q->param.mfx.FrameInfo.CropH = avctx->height;
398 q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
399 q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
400 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
401 q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
402 q->param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth;
403 q->param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
404 q->param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8;
406 if (avctx->hw_frames_ctx) {
407 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
408 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
409 q->param.mfx.FrameInfo.Width = frames_hwctx->surfaces[0].Info.Width;
410 q->param.mfx.FrameInfo.Height = frames_hwctx->surfaces[0].Info.Height;
413 if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
414 q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
415 q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
417 q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
418 q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
421 ret = select_rc_mode(avctx, q);
425 switch (q->param.mfx.RateControlMethod) {
426 case MFX_RATECONTROL_CBR:
427 case MFX_RATECONTROL_VBR:
429 case MFX_RATECONTROL_VCM:
431 q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
432 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
433 q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
435 case MFX_RATECONTROL_CQP:
436 quant = avctx->global_quality / FF_QP2LAMBDA;
438 q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
439 q->param.mfx.QPP = av_clip(quant, 0, 51);
440 q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
443 case MFX_RATECONTROL_AVBR:
444 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
445 q->param.mfx.Convergence = q->avbr_convergence;
446 q->param.mfx.Accuracy = q->avbr_accuracy;
449 case MFX_RATECONTROL_LA:
450 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
451 q->extco2.LookAheadDepth = q->la_depth;
454 case MFX_RATECONTROL_LA_ICQ:
455 q->extco2.LookAheadDepth = q->la_depth;
456 case MFX_RATECONTROL_ICQ:
457 q->param.mfx.ICQQuality = avctx->global_quality;
463 // the HEVC encoder plugin currently fails if coding options
465 if (avctx->codec_id != AV_CODEC_ID_HEVC) {
466 q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
467 q->extco.Header.BufferSz = sizeof(q->extco);
468 #if FF_API_CODER_TYPE
469 FF_DISABLE_DEPRECATION_WARNINGS
470 if (avctx->coder_type != 0)
471 q->cavlc = avctx->coder_type == FF_CODER_TYPE_VLC;
472 FF_ENABLE_DEPRECATION_WARNINGS
474 q->extco.CAVLC = q->cavlc ? MFX_CODINGOPTION_ON
475 : MFX_CODINGOPTION_UNKNOWN;
478 q->extco.RateDistortionOpt = q->rdo > 0 ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
480 if (avctx->codec_id == AV_CODEC_ID_H264) {
481 if (avctx->strict_std_compliance != FF_COMPLIANCE_NORMAL)
482 q->extco.NalHrdConformance = avctx->strict_std_compliance > FF_COMPLIANCE_NORMAL ?
483 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
485 if (q->single_sei_nal_unit >= 0)
486 q->extco.SingleSeiNalUnit = q->single_sei_nal_unit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
487 if (q->recovery_point_sei >= 0)
488 q->extco.RecoveryPointSEI = q->recovery_point_sei ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
489 q->extco.MaxDecFrameBuffering = q->max_dec_frame_buffering;
492 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;
495 if (avctx->codec_id == AV_CODEC_ID_H264) {
496 q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
497 q->extco2.Header.BufferSz = sizeof(q->extco2);
499 if (q->int_ref_type >= 0)
500 q->extco2.IntRefType = q->int_ref_type;
501 if (q->int_ref_cycle_size >= 0)
502 q->extco2.IntRefCycleSize = q->int_ref_cycle_size;
503 if (q->int_ref_qp_delta != INT16_MIN)
504 q->extco2.IntRefQPDelta = q->int_ref_qp_delta;
506 if (q->bitrate_limit >= 0)
507 q->extco2.BitrateLimit = q->bitrate_limit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
509 q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
511 q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
513 if (q->max_frame_size >= 0)
514 q->extco2.MaxFrameSize = q->max_frame_size;
515 #if QSV_HAVE_MAX_SLICE_SIZE
516 if (q->max_slice_size >= 0)
517 q->extco2.MaxSliceSize = q->max_slice_size;
521 q->extco2.Trellis = q->trellis;
524 #if QSV_HAVE_BREF_TYPE
525 #if FF_API_PRIVATE_OPT
526 FF_DISABLE_DEPRECATION_WARNINGS
527 if (avctx->b_frame_strategy >= 0)
528 q->b_strategy = avctx->b_frame_strategy;
529 FF_ENABLE_DEPRECATION_WARNINGS
531 if (q->b_strategy >= 0)
532 q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID : MFX_B_REF_OFF;
533 if (q->adaptive_i >= 0)
534 q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
535 if (q->adaptive_b >= 0)
536 q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
539 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco2;
544 if (!rc_supported(q)) {
545 av_log(avctx, AV_LOG_ERROR,
546 "Selected ratecontrol mode is not supported by the QSV "
547 "runtime. Choose a different mode.\n");
548 return AVERROR(ENOSYS);
554 static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
556 AVCPBProperties *cpb_props;
558 uint8_t sps_buf[128];
559 uint8_t pps_buf[128];
561 mfxExtCodingOptionSPSPPS extradata = {
562 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
563 .Header.BufferSz = sizeof(extradata),
564 .SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
565 .PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
568 mfxExtCodingOption co = {
569 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION,
570 .Header.BufferSz = sizeof(co),
573 mfxExtCodingOption2 co2 = {
574 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
575 .Header.BufferSz = sizeof(co2),
579 mfxExtCodingOption3 co3 = {
580 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION3,
581 .Header.BufferSz = sizeof(co3),
585 mfxExtBuffer *ext_buffers[] = {
586 (mfxExtBuffer*)&extradata,
596 int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
599 q->param.ExtParam = ext_buffers;
600 q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
602 ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
604 return ff_qsv_print_error(avctx, ret,
605 "Error calling GetVideoParam");
607 q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
609 if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
610 av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
611 return AVERROR_UNKNOWN;
614 avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
615 AV_INPUT_BUFFER_PADDING_SIZE);
616 if (!avctx->extradata)
617 return AVERROR(ENOMEM);
619 memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
621 memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
622 avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
623 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
625 cpb_props = ff_add_cpb_side_data(avctx);
627 return AVERROR(ENOMEM);
628 cpb_props->max_bitrate = avctx->rc_max_rate;
629 cpb_props->min_bitrate = avctx->rc_min_rate;
630 cpb_props->avg_bitrate = avctx->bit_rate;
631 cpb_props->buffer_size = avctx->rc_buffer_size;
633 dump_video_param(avctx, q, ext_buffers + 1);
638 static int qsv_init_opaque_alloc(AVCodecContext *avctx, QSVEncContext *q)
640 AVQSVContext *qsv = avctx->hwaccel_context;
641 mfxFrameSurface1 *surfaces;
644 nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested + q->async_depth;
646 q->opaque_alloc_buf = av_buffer_allocz(sizeof(*surfaces) * nb_surfaces);
647 if (!q->opaque_alloc_buf)
648 return AVERROR(ENOMEM);
650 q->opaque_surfaces = av_malloc_array(nb_surfaces, sizeof(*q->opaque_surfaces));
651 if (!q->opaque_surfaces)
652 return AVERROR(ENOMEM);
654 surfaces = (mfxFrameSurface1*)q->opaque_alloc_buf->data;
655 for (i = 0; i < nb_surfaces; i++) {
656 surfaces[i].Info = q->req.Info;
657 q->opaque_surfaces[i] = surfaces + i;
660 q->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
661 q->opaque_alloc.Header.BufferSz = sizeof(q->opaque_alloc);
662 q->opaque_alloc.In.Surfaces = q->opaque_surfaces;
663 q->opaque_alloc.In.NumSurface = nb_surfaces;
664 q->opaque_alloc.In.Type = q->req.Type;
666 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->opaque_alloc;
668 qsv->nb_opaque_surfaces = nb_surfaces;
669 qsv->opaque_surfaces = q->opaque_alloc_buf;
670 qsv->opaque_alloc_type = q->req.Type;
675 static int qsvenc_init_session(AVCodecContext *avctx, QSVEncContext *q)
679 if (avctx->hwaccel_context) {
680 AVQSVContext *qsv = avctx->hwaccel_context;
681 q->session = qsv->session;
682 } else if (avctx->hw_frames_ctx) {
683 q->frames_ctx.hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
684 if (!q->frames_ctx.hw_frames_ctx)
685 return AVERROR(ENOMEM);
687 ret = ff_qsv_init_session_hwcontext(avctx, &q->internal_session,
688 &q->frames_ctx, q->load_plugins,
689 q->param.IOPattern == MFX_IOPATTERN_IN_OPAQUE_MEMORY);
691 av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
695 q->session = q->internal_session;
697 ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
702 q->session = q->internal_session;
708 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
711 int opaque_alloc = 0;
714 q->param.AsyncDepth = q->async_depth;
716 q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
717 (sizeof(AVPacket) + sizeof(mfxSyncPoint*) + sizeof(mfxBitstream*)));
719 return AVERROR(ENOMEM);
721 if (avctx->hwaccel_context) {
722 AVQSVContext *qsv = avctx->hwaccel_context;
724 iopattern = qsv->iopattern;
725 opaque_alloc = qsv->opaque_alloc;
728 if (avctx->hw_frames_ctx) {
729 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
730 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
733 if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
734 iopattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY;
735 else if (frames_hwctx->frame_type &
736 (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET | MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET))
737 iopattern = MFX_IOPATTERN_IN_VIDEO_MEMORY;
742 iopattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
743 q->param.IOPattern = iopattern;
745 ret = qsvenc_init_session(avctx, q);
749 ret = init_video_param(avctx, q);
753 ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
755 return ff_qsv_print_error(avctx, ret,
756 "Error querying the encoding parameters");
759 ret = qsv_init_opaque_alloc(avctx, q);
764 if (avctx->hwaccel_context) {
765 AVQSVContext *qsv = avctx->hwaccel_context;
768 q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
769 sizeof(*q->extparam));
771 return AVERROR(ENOMEM);
773 q->param.ExtParam = q->extparam;
774 for (i = 0; i < qsv->nb_ext_buffers; i++)
775 q->param.ExtParam[i] = qsv->ext_buffers[i];
776 q->param.NumExtParam = qsv->nb_ext_buffers;
778 for (i = 0; i < q->nb_extparam_internal; i++) {
779 for (j = 0; j < qsv->nb_ext_buffers; j++) {
780 if (qsv->ext_buffers[j]->BufferId == q->extparam_internal[i]->BufferId)
783 if (j < qsv->nb_ext_buffers)
786 q->param.ExtParam[q->param.NumExtParam++] = q->extparam_internal[i];
789 q->param.ExtParam = q->extparam_internal;
790 q->param.NumExtParam = q->nb_extparam_internal;
793 ret = MFXVideoENCODE_Init(q->session, &q->param);
795 return ff_qsv_print_error(avctx, ret,
796 "Error initializing the encoder");
798 ff_qsv_print_warning(avctx, ret,
799 "Warning in encoder initialization");
801 ret = qsv_retrieve_enc_params(avctx, q);
803 av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
812 static void clear_unused_frames(QSVEncContext *q)
814 QSVFrame *cur = q->work_frames;
816 if (cur->surface && !cur->surface->Data.Locked) {
818 av_frame_unref(cur->frame);
824 static int get_free_frame(QSVEncContext *q, QSVFrame **f)
826 QSVFrame *frame, **last;
828 clear_unused_frames(q);
830 frame = q->work_frames;
831 last = &q->work_frames;
833 if (!frame->surface) {
842 frame = av_mallocz(sizeof(*frame));
844 return AVERROR(ENOMEM);
845 frame->frame = av_frame_alloc();
848 return AVERROR(ENOMEM);
857 static int submit_frame(QSVEncContext *q, const AVFrame *frame,
858 mfxFrameSurface1 **surface)
863 ret = get_free_frame(q, &qf);
867 if (frame->format == AV_PIX_FMT_QSV) {
868 ret = av_frame_ref(qf->frame, frame);
872 qf->surface = (mfxFrameSurface1*)qf->frame->data[3];
874 /* make a copy if the input is not padded as libmfx requires */
875 if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
876 qf->frame->height = FFALIGN(frame->height, 32);
877 qf->frame->width = FFALIGN(frame->width, q->width_align);
879 ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
883 qf->frame->height = frame->height;
884 qf->frame->width = frame->width;
885 ret = av_frame_copy(qf->frame, frame);
887 av_frame_unref(qf->frame);
891 ret = av_frame_ref(qf->frame, frame);
896 qf->surface_internal.Info = q->param.mfx.FrameInfo;
898 qf->surface_internal.Info.PicStruct =
899 !frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
900 frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
901 MFX_PICSTRUCT_FIELD_BFF;
902 if (frame->repeat_pict == 1)
903 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
904 else if (frame->repeat_pict == 2)
905 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
906 else if (frame->repeat_pict == 4)
907 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
909 qf->surface_internal.Data.PitchLow = qf->frame->linesize[0];
910 qf->surface_internal.Data.Y = qf->frame->data[0];
911 qf->surface_internal.Data.UV = qf->frame->data[1];
913 qf->surface = &qf->surface_internal;
916 qf->surface->Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
918 *surface = qf->surface;
923 static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
925 if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
926 if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
927 q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
928 q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
929 av_log(avctx, AV_LOG_WARNING,
930 "Interlaced coding is supported"
931 " at Main/High Profile Level 2.1-4.1\n");
935 static int encode_frame(AVCodecContext *avctx, QSVEncContext *q,
936 const AVFrame *frame)
938 AVPacket new_pkt = { 0 };
941 mfxFrameSurface1 *surf = NULL;
942 mfxSyncPoint *sync = NULL;
946 ret = submit_frame(q, frame, &surf);
948 av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
953 ret = av_new_packet(&new_pkt, q->packet_size);
955 av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
959 bs = av_mallocz(sizeof(*bs));
961 av_packet_unref(&new_pkt);
962 return AVERROR(ENOMEM);
964 bs->Data = new_pkt.data;
965 bs->MaxLength = new_pkt.size;
967 sync = av_mallocz(sizeof(*sync));
970 av_packet_unref(&new_pkt);
971 return AVERROR(ENOMEM);
975 ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, sync);
976 if (ret == MFX_WRN_DEVICE_BUSY)
978 } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_WRN_IN_EXECUTION);
981 ff_qsv_print_warning(avctx, ret, "Warning during encoding");
984 av_packet_unref(&new_pkt);
987 return (ret == MFX_ERR_MORE_DATA) ?
988 0 : ff_qsv_print_error(avctx, ret, "Error during encoding");
991 if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
992 print_interlace_msg(avctx, q);
995 av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
996 av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
997 av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
1000 av_packet_unref(&new_pkt);
1007 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
1008 AVPacket *pkt, const AVFrame *frame, int *got_packet)
1012 ret = encode_frame(avctx, q, frame);
1016 if (!av_fifo_space(q->async_fifo) ||
1017 (!frame && av_fifo_size(q->async_fifo))) {
1022 av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
1023 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1024 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1027 ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
1028 } while (ret == MFX_WRN_IN_EXECUTION);
1030 new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
1031 new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
1032 new_pkt.size = bs->DataLength;
1034 if (bs->FrameType & MFX_FRAMETYPE_IDR ||
1035 bs->FrameType & MFX_FRAMETYPE_xIDR)
1036 new_pkt.flags |= AV_PKT_FLAG_KEY;
1038 #if FF_API_CODED_FRAME
1039 FF_DISABLE_DEPRECATION_WARNINGS
1040 if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
1041 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
1042 else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
1043 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
1044 else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
1045 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
1046 FF_ENABLE_DEPRECATION_WARNINGS
1053 if (pkt->size < new_pkt.size) {
1054 av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
1055 pkt->size, new_pkt.size);
1056 av_packet_unref(&new_pkt);
1057 return AVERROR(EINVAL);
1060 memcpy(pkt->data, new_pkt.data, new_pkt.size);
1061 pkt->size = new_pkt.size;
1063 ret = av_packet_copy_props(pkt, &new_pkt);
1064 av_packet_unref(&new_pkt);
1076 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
1081 MFXVideoENCODE_Close(q->session);
1082 if (q->internal_session)
1083 MFXClose(q->internal_session);
1085 q->internal_session = NULL;
1087 av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
1088 av_freep(&q->frames_ctx.mids);
1089 q->frames_ctx.nb_mids = 0;
1091 cur = q->work_frames;
1093 q->work_frames = cur->next;
1094 av_frame_free(&cur->frame);
1096 cur = q->work_frames;
1099 while (q->async_fifo && av_fifo_size(q->async_fifo)) {
1104 av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
1105 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1106 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1110 av_packet_unref(&pkt);
1112 av_fifo_free(q->async_fifo);
1113 q->async_fifo = NULL;
1115 av_freep(&q->opaque_surfaces);
1116 av_buffer_unref(&q->opaque_alloc_buf);
1118 av_freep(&q->extparam);