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 >= 10;
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 if (avctx->level > 0)
370 q->param.mfx.CodecLevel = avctx->level;
372 q->param.mfx.CodecProfile = q->profile;
373 q->param.mfx.TargetUsage = q->preset;
374 q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
375 q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
376 q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
378 q->param.mfx.IdrInterval = q->idr_interval;
379 q->param.mfx.NumSlice = avctx->slices;
380 q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
381 q->param.mfx.EncodedOrder = 0;
382 q->param.mfx.BufferSizeInKB = 0;
384 desc = av_pix_fmt_desc_get(sw_format);
388 ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
390 q->param.mfx.FrameInfo.CropX = 0;
391 q->param.mfx.FrameInfo.CropY = 0;
392 q->param.mfx.FrameInfo.CropW = avctx->width;
393 q->param.mfx.FrameInfo.CropH = avctx->height;
394 q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
395 q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
396 q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
397 q->param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth;
398 q->param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
399 q->param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8;
401 // TODO: detect version of MFX--if the minor version is greater than
402 // or equal to 19, then can use the same alignment settings as H.264
404 q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
405 q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
407 if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
408 // it is important that PicStruct be setup correctly from the
409 // start--otherwise, encoding doesn't work and results in a bunch
410 // of incompatible video parameter errors
411 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF;
412 // height alignment always must be 32 for interlaced video
413 q->height_align = 32;
415 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
416 // for progressive video, the height should be aligned to 16 for
417 // H.264. For HEVC, depending on the version of MFX, it should be
418 // either 32 or 16. The lower number is better if possible.
419 q->height_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
421 q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, q->height_align);
423 if (avctx->hw_frames_ctx) {
424 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
425 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
426 q->param.mfx.FrameInfo.Width = frames_hwctx->surfaces[0].Info.Width;
427 q->param.mfx.FrameInfo.Height = frames_hwctx->surfaces[0].Info.Height;
430 if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
431 q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
432 q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
434 q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
435 q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
438 ret = select_rc_mode(avctx, q);
442 switch (q->param.mfx.RateControlMethod) {
443 case MFX_RATECONTROL_CBR:
444 case MFX_RATECONTROL_VBR:
446 case MFX_RATECONTROL_VCM:
448 q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
449 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
450 q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
452 case MFX_RATECONTROL_CQP:
453 quant = avctx->global_quality / FF_QP2LAMBDA;
455 q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
456 q->param.mfx.QPP = av_clip(quant, 0, 51);
457 q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
460 case MFX_RATECONTROL_AVBR:
461 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
462 q->param.mfx.Convergence = q->avbr_convergence;
463 q->param.mfx.Accuracy = q->avbr_accuracy;
466 case MFX_RATECONTROL_LA:
467 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
468 q->extco2.LookAheadDepth = q->la_depth;
471 case MFX_RATECONTROL_LA_ICQ:
472 q->extco2.LookAheadDepth = q->la_depth;
473 case MFX_RATECONTROL_ICQ:
474 q->param.mfx.ICQQuality = avctx->global_quality;
480 // the HEVC encoder plugin currently fails if coding options
482 if (avctx->codec_id != AV_CODEC_ID_HEVC) {
483 q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
484 q->extco.Header.BufferSz = sizeof(q->extco);
485 #if FF_API_CODER_TYPE
486 FF_DISABLE_DEPRECATION_WARNINGS
487 if (avctx->coder_type != 0)
488 q->cavlc = avctx->coder_type == FF_CODER_TYPE_VLC;
489 FF_ENABLE_DEPRECATION_WARNINGS
491 q->extco.CAVLC = q->cavlc ? MFX_CODINGOPTION_ON
492 : MFX_CODINGOPTION_UNKNOWN;
495 q->extco.RateDistortionOpt = q->rdo > 0 ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
497 if (avctx->codec_id == AV_CODEC_ID_H264) {
498 if (avctx->strict_std_compliance != FF_COMPLIANCE_NORMAL)
499 q->extco.NalHrdConformance = avctx->strict_std_compliance > FF_COMPLIANCE_NORMAL ?
500 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
502 if (q->single_sei_nal_unit >= 0)
503 q->extco.SingleSeiNalUnit = q->single_sei_nal_unit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
504 if (q->recovery_point_sei >= 0)
505 q->extco.RecoveryPointSEI = q->recovery_point_sei ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
506 q->extco.MaxDecFrameBuffering = q->max_dec_frame_buffering;
509 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;
512 if (avctx->codec_id == AV_CODEC_ID_H264) {
513 q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
514 q->extco2.Header.BufferSz = sizeof(q->extco2);
516 if (q->int_ref_type >= 0)
517 q->extco2.IntRefType = q->int_ref_type;
518 if (q->int_ref_cycle_size >= 0)
519 q->extco2.IntRefCycleSize = q->int_ref_cycle_size;
520 if (q->int_ref_qp_delta != INT16_MIN)
521 q->extco2.IntRefQPDelta = q->int_ref_qp_delta;
523 if (q->bitrate_limit >= 0)
524 q->extco2.BitrateLimit = q->bitrate_limit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
526 q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
528 q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
530 if (q->max_frame_size >= 0)
531 q->extco2.MaxFrameSize = q->max_frame_size;
532 #if QSV_HAVE_MAX_SLICE_SIZE
533 if (q->max_slice_size >= 0)
534 q->extco2.MaxSliceSize = q->max_slice_size;
538 q->extco2.Trellis = q->trellis;
541 #if QSV_HAVE_BREF_TYPE
542 #if FF_API_PRIVATE_OPT
543 FF_DISABLE_DEPRECATION_WARNINGS
544 if (avctx->b_frame_strategy >= 0)
545 q->b_strategy = avctx->b_frame_strategy;
546 FF_ENABLE_DEPRECATION_WARNINGS
548 if (q->b_strategy >= 0)
549 q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID : MFX_B_REF_OFF;
550 if (q->adaptive_i >= 0)
551 q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
552 if (q->adaptive_b >= 0)
553 q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
556 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco2;
561 if (!rc_supported(q)) {
562 av_log(avctx, AV_LOG_ERROR,
563 "Selected ratecontrol mode is not supported by the QSV "
564 "runtime. Choose a different mode.\n");
565 return AVERROR(ENOSYS);
571 static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
573 AVCPBProperties *cpb_props;
575 uint8_t sps_buf[128];
576 uint8_t pps_buf[128];
578 mfxExtCodingOptionSPSPPS extradata = {
579 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
580 .Header.BufferSz = sizeof(extradata),
581 .SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
582 .PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
585 mfxExtCodingOption co = {
586 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION,
587 .Header.BufferSz = sizeof(co),
590 mfxExtCodingOption2 co2 = {
591 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
592 .Header.BufferSz = sizeof(co2),
596 mfxExtCodingOption3 co3 = {
597 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION3,
598 .Header.BufferSz = sizeof(co3),
602 mfxExtBuffer *ext_buffers[] = {
603 (mfxExtBuffer*)&extradata,
613 int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
616 q->param.ExtParam = ext_buffers;
617 q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
619 ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
621 return ff_qsv_print_error(avctx, ret,
622 "Error calling GetVideoParam");
624 q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
626 if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
627 av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
628 return AVERROR_UNKNOWN;
631 avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
632 AV_INPUT_BUFFER_PADDING_SIZE);
633 if (!avctx->extradata)
634 return AVERROR(ENOMEM);
636 memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
638 memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
639 avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
640 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
642 cpb_props = ff_add_cpb_side_data(avctx);
644 return AVERROR(ENOMEM);
645 cpb_props->max_bitrate = avctx->rc_max_rate;
646 cpb_props->min_bitrate = avctx->rc_min_rate;
647 cpb_props->avg_bitrate = avctx->bit_rate;
648 cpb_props->buffer_size = avctx->rc_buffer_size;
650 dump_video_param(avctx, q, ext_buffers + 1);
655 static int qsv_init_opaque_alloc(AVCodecContext *avctx, QSVEncContext *q)
657 AVQSVContext *qsv = avctx->hwaccel_context;
658 mfxFrameSurface1 *surfaces;
661 nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested + q->async_depth;
663 q->opaque_alloc_buf = av_buffer_allocz(sizeof(*surfaces) * nb_surfaces);
664 if (!q->opaque_alloc_buf)
665 return AVERROR(ENOMEM);
667 q->opaque_surfaces = av_malloc_array(nb_surfaces, sizeof(*q->opaque_surfaces));
668 if (!q->opaque_surfaces)
669 return AVERROR(ENOMEM);
671 surfaces = (mfxFrameSurface1*)q->opaque_alloc_buf->data;
672 for (i = 0; i < nb_surfaces; i++) {
673 surfaces[i].Info = q->req.Info;
674 q->opaque_surfaces[i] = surfaces + i;
677 q->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
678 q->opaque_alloc.Header.BufferSz = sizeof(q->opaque_alloc);
679 q->opaque_alloc.In.Surfaces = q->opaque_surfaces;
680 q->opaque_alloc.In.NumSurface = nb_surfaces;
681 q->opaque_alloc.In.Type = q->req.Type;
683 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->opaque_alloc;
685 qsv->nb_opaque_surfaces = nb_surfaces;
686 qsv->opaque_surfaces = q->opaque_alloc_buf;
687 qsv->opaque_alloc_type = q->req.Type;
692 static int qsvenc_init_session(AVCodecContext *avctx, QSVEncContext *q)
696 if (avctx->hwaccel_context) {
697 AVQSVContext *qsv = avctx->hwaccel_context;
698 q->session = qsv->session;
699 } else if (avctx->hw_frames_ctx) {
700 q->frames_ctx.hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
701 if (!q->frames_ctx.hw_frames_ctx)
702 return AVERROR(ENOMEM);
704 ret = ff_qsv_init_session_frames(avctx, &q->internal_session,
705 &q->frames_ctx, q->load_plugins,
706 q->param.IOPattern == MFX_IOPATTERN_IN_OPAQUE_MEMORY);
708 av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
712 q->session = q->internal_session;
713 } else if (avctx->hw_device_ctx) {
714 ret = ff_qsv_init_session_device(avctx, &q->internal_session,
715 avctx->hw_device_ctx, q->load_plugins);
719 q->session = q->internal_session;
721 ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
726 q->session = q->internal_session;
732 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
735 int opaque_alloc = 0;
738 q->param.AsyncDepth = q->async_depth;
740 q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
741 (sizeof(AVPacket) + sizeof(mfxSyncPoint*) + sizeof(mfxBitstream*)));
743 return AVERROR(ENOMEM);
745 if (avctx->hwaccel_context) {
746 AVQSVContext *qsv = avctx->hwaccel_context;
748 iopattern = qsv->iopattern;
749 opaque_alloc = qsv->opaque_alloc;
752 if (avctx->hw_frames_ctx) {
753 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
754 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
757 if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
758 iopattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY;
759 else if (frames_hwctx->frame_type &
760 (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET | MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET))
761 iopattern = MFX_IOPATTERN_IN_VIDEO_MEMORY;
766 iopattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
767 q->param.IOPattern = iopattern;
769 ret = qsvenc_init_session(avctx, q);
773 ret = init_video_param(avctx, q);
777 ret = MFXVideoENCODE_Query(q->session, &q->param, &q->param);
778 if (ret == MFX_WRN_PARTIAL_ACCELERATION) {
779 av_log(avctx, AV_LOG_WARNING, "Encoder will work with partial HW acceleration\n");
780 } else if (ret < 0) {
781 return ff_qsv_print_error(avctx, ret,
782 "Error querying encoder params");
785 ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
787 return ff_qsv_print_error(avctx, ret,
788 "Error querying (IOSurf) the encoding parameters");
791 ret = qsv_init_opaque_alloc(avctx, q);
796 if (avctx->hwaccel_context) {
797 AVQSVContext *qsv = avctx->hwaccel_context;
800 q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
801 sizeof(*q->extparam));
803 return AVERROR(ENOMEM);
805 q->param.ExtParam = q->extparam;
806 for (i = 0; i < qsv->nb_ext_buffers; i++)
807 q->param.ExtParam[i] = qsv->ext_buffers[i];
808 q->param.NumExtParam = qsv->nb_ext_buffers;
810 for (i = 0; i < q->nb_extparam_internal; i++) {
811 for (j = 0; j < qsv->nb_ext_buffers; j++) {
812 if (qsv->ext_buffers[j]->BufferId == q->extparam_internal[i]->BufferId)
815 if (j < qsv->nb_ext_buffers)
818 q->param.ExtParam[q->param.NumExtParam++] = q->extparam_internal[i];
821 q->param.ExtParam = q->extparam_internal;
822 q->param.NumExtParam = q->nb_extparam_internal;
825 ret = MFXVideoENCODE_Init(q->session, &q->param);
827 return ff_qsv_print_error(avctx, ret,
828 "Error initializing the encoder");
830 ff_qsv_print_warning(avctx, ret,
831 "Warning in encoder initialization");
833 ret = qsv_retrieve_enc_params(avctx, q);
835 av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
844 static void clear_unused_frames(QSVEncContext *q)
846 QSVFrame *cur = q->work_frames;
848 if (cur->used && !cur->surface.Data.Locked) {
849 av_frame_unref(cur->frame);
856 static int get_free_frame(QSVEncContext *q, QSVFrame **f)
858 QSVFrame *frame, **last;
860 clear_unused_frames(q);
862 frame = q->work_frames;
863 last = &q->work_frames;
875 frame = av_mallocz(sizeof(*frame));
877 return AVERROR(ENOMEM);
878 frame->frame = av_frame_alloc();
881 return AVERROR(ENOMEM);
891 static int submit_frame(QSVEncContext *q, const AVFrame *frame,
892 mfxFrameSurface1 **surface)
897 ret = get_free_frame(q, &qf);
901 if (frame->format == AV_PIX_FMT_QSV) {
902 ret = av_frame_ref(qf->frame, frame);
906 qf->surface = *(mfxFrameSurface1*)qf->frame->data[3];
908 if (q->frames_ctx.mids) {
909 ret = ff_qsv_find_surface_idx(&q->frames_ctx, qf);
913 qf->surface.Data.MemId = &q->frames_ctx.mids[ret];
916 /* make a copy if the input is not padded as libmfx requires */
917 if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
918 qf->frame->height = FFALIGN(frame->height, q->height_align);
919 qf->frame->width = FFALIGN(frame->width, q->width_align);
921 ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
925 qf->frame->height = frame->height;
926 qf->frame->width = frame->width;
927 ret = av_frame_copy(qf->frame, frame);
929 av_frame_unref(qf->frame);
933 ret = av_frame_ref(qf->frame, frame);
938 qf->surface.Info = q->param.mfx.FrameInfo;
940 qf->surface.Info.PicStruct =
941 !frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
942 frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
943 MFX_PICSTRUCT_FIELD_BFF;
944 if (frame->repeat_pict == 1)
945 qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
946 else if (frame->repeat_pict == 2)
947 qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
948 else if (frame->repeat_pict == 4)
949 qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
951 qf->surface.Data.PitchLow = qf->frame->linesize[0];
952 qf->surface.Data.Y = qf->frame->data[0];
953 qf->surface.Data.UV = qf->frame->data[1];
956 qf->surface.Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
958 *surface = &qf->surface;
963 static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
965 if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
966 if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
967 q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
968 q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
969 av_log(avctx, AV_LOG_WARNING,
970 "Interlaced coding is supported"
971 " at Main/High Profile Level 2.1-4.1\n");
975 static int encode_frame(AVCodecContext *avctx, QSVEncContext *q,
976 const AVFrame *frame)
978 AVPacket new_pkt = { 0 };
981 mfxFrameSurface1 *surf = NULL;
982 mfxSyncPoint *sync = NULL;
986 ret = submit_frame(q, frame, &surf);
988 av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
993 ret = av_new_packet(&new_pkt, q->packet_size);
995 av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
999 bs = av_mallocz(sizeof(*bs));
1001 av_packet_unref(&new_pkt);
1002 return AVERROR(ENOMEM);
1004 bs->Data = new_pkt.data;
1005 bs->MaxLength = new_pkt.size;
1007 sync = av_mallocz(sizeof(*sync));
1010 av_packet_unref(&new_pkt);
1011 return AVERROR(ENOMEM);
1015 ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, sync);
1016 if (ret == MFX_WRN_DEVICE_BUSY)
1018 } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_WRN_IN_EXECUTION);
1021 ff_qsv_print_warning(avctx, ret, "Warning during encoding");
1024 av_packet_unref(&new_pkt);
1027 return (ret == MFX_ERR_MORE_DATA) ?
1028 0 : ff_qsv_print_error(avctx, ret, "Error during encoding");
1031 if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
1032 print_interlace_msg(avctx, q);
1035 av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
1036 av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
1037 av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
1040 av_packet_unref(&new_pkt);
1047 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
1048 AVPacket *pkt, const AVFrame *frame, int *got_packet)
1052 ret = encode_frame(avctx, q, frame);
1056 if (!av_fifo_space(q->async_fifo) ||
1057 (!frame && av_fifo_size(q->async_fifo))) {
1062 av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
1063 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1064 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1067 ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
1068 } while (ret == MFX_WRN_IN_EXECUTION);
1070 new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
1071 new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
1072 new_pkt.size = bs->DataLength;
1074 if (bs->FrameType & MFX_FRAMETYPE_IDR ||
1075 bs->FrameType & MFX_FRAMETYPE_xIDR)
1076 new_pkt.flags |= AV_PKT_FLAG_KEY;
1078 #if FF_API_CODED_FRAME
1079 FF_DISABLE_DEPRECATION_WARNINGS
1080 if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
1081 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
1082 else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
1083 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
1084 else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
1085 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
1086 FF_ENABLE_DEPRECATION_WARNINGS
1093 if (pkt->size < new_pkt.size) {
1094 av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
1095 pkt->size, new_pkt.size);
1096 av_packet_unref(&new_pkt);
1097 return AVERROR(EINVAL);
1100 memcpy(pkt->data, new_pkt.data, new_pkt.size);
1101 pkt->size = new_pkt.size;
1103 ret = av_packet_copy_props(pkt, &new_pkt);
1104 av_packet_unref(&new_pkt);
1116 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
1121 MFXVideoENCODE_Close(q->session);
1122 if (q->internal_session)
1123 MFXClose(q->internal_session);
1125 q->internal_session = NULL;
1127 av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
1128 av_buffer_unref(&q->frames_ctx.mids_buf);
1130 cur = q->work_frames;
1132 q->work_frames = cur->next;
1133 av_frame_free(&cur->frame);
1135 cur = q->work_frames;
1138 while (q->async_fifo && av_fifo_size(q->async_fifo)) {
1143 av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
1144 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1145 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1149 av_packet_unref(&pkt);
1151 av_fifo_free(q->async_fifo);
1152 q->async_fifo = NULL;
1154 av_freep(&q->opaque_surfaces);
1155 av_buffer_unref(&q->opaque_alloc_buf);
1157 av_freep(&q->extparam);