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 FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include <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"
35 #include "libavcodec/bytestream.h"
40 #include "qsv_internal.h"
47 { MFX_PROFILE_AVC_BASELINE, "baseline" },
48 { MFX_PROFILE_AVC_MAIN, "main" },
49 { MFX_PROFILE_AVC_EXTENDED, "extended" },
50 { MFX_PROFILE_AVC_HIGH, "high" },
51 #if QSV_VERSION_ATLEAST(1, 15)
52 { MFX_PROFILE_AVC_HIGH_422, "high 422" },
54 #if QSV_VERSION_ATLEAST(1, 4)
55 { MFX_PROFILE_AVC_CONSTRAINED_BASELINE, "constrained baseline" },
56 { MFX_PROFILE_AVC_CONSTRAINED_HIGH, "constrained high" },
57 { MFX_PROFILE_AVC_PROGRESSIVE_HIGH, "progressive high" },
59 { MFX_PROFILE_MPEG2_SIMPLE, "simple" },
60 { MFX_PROFILE_MPEG2_MAIN, "main" },
61 { MFX_PROFILE_MPEG2_HIGH, "high" },
62 { MFX_PROFILE_VC1_SIMPLE, "simple" },
63 { MFX_PROFILE_VC1_MAIN, "main" },
64 { MFX_PROFILE_VC1_ADVANCED, "advanced" },
65 #if QSV_VERSION_ATLEAST(1, 8)
66 { MFX_PROFILE_HEVC_MAIN, "main" },
67 { MFX_PROFILE_HEVC_MAIN10, "main10" },
68 { MFX_PROFILE_HEVC_MAINSP, "mainsp" },
72 static const char *print_profile(mfxU16 profile)
75 for (i = 0; i < FF_ARRAY_ELEMS(profile_names); i++)
76 if (profile == profile_names[i].profile)
77 return profile_names[i].name;
85 { MFX_RATECONTROL_CBR, "CBR" },
86 { MFX_RATECONTROL_VBR, "VBR" },
87 { MFX_RATECONTROL_CQP, "CQP" },
88 { MFX_RATECONTROL_AVBR, "AVBR" },
90 { MFX_RATECONTROL_LA, "LA" },
93 { MFX_RATECONTROL_ICQ, "ICQ" },
94 { MFX_RATECONTROL_LA_ICQ, "LA_ICQ" },
97 { MFX_RATECONTROL_VCM, "VCM" },
99 #if QSV_VERSION_ATLEAST(1, 10)
100 { MFX_RATECONTROL_LA_EXT, "LA_EXT" },
103 { MFX_RATECONTROL_LA_HRD, "LA_HRD" },
106 { MFX_RATECONTROL_QVBR, "QVBR" },
110 static const char *print_ratecontrol(mfxU16 rc_mode)
113 for (i = 0; i < FF_ARRAY_ELEMS(rc_names); i++)
114 if (rc_mode == rc_names[i].rc_mode)
115 return rc_names[i].name;
119 static const char *print_threestate(mfxU16 val)
121 if (val == MFX_CODINGOPTION_ON)
123 else if (val == MFX_CODINGOPTION_OFF)
128 static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
129 mfxExtBuffer **coding_opts)
131 mfxInfoMFX *info = &q->param.mfx;
133 mfxExtCodingOption *co = (mfxExtCodingOption*)coding_opts[0];
135 mfxExtCodingOption2 *co2 = (mfxExtCodingOption2*)coding_opts[1];
138 av_log(avctx, AV_LOG_VERBOSE, "profile: %s; level: %"PRIu16"\n",
139 print_profile(info->CodecProfile), info->CodecLevel);
141 av_log(avctx, AV_LOG_VERBOSE, "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag: ",
142 info->GopPicSize, info->GopRefDist);
143 if (info->GopOptFlag & MFX_GOP_CLOSED)
144 av_log(avctx, AV_LOG_VERBOSE, "closed ");
145 if (info->GopOptFlag & MFX_GOP_STRICT)
146 av_log(avctx, AV_LOG_VERBOSE, "strict ");
147 av_log(avctx, AV_LOG_VERBOSE, "; IdrInterval: %"PRIu16"\n", info->IdrInterval);
149 av_log(avctx, AV_LOG_VERBOSE, "TargetUsage: %"PRIu16"; RateControlMethod: %s\n",
150 info->TargetUsage, print_ratecontrol(info->RateControlMethod));
152 if (info->RateControlMethod == MFX_RATECONTROL_CBR ||
153 info->RateControlMethod == MFX_RATECONTROL_VBR
155 || info->RateControlMethod == MFX_RATECONTROL_VCM
158 av_log(avctx, AV_LOG_VERBOSE,
159 "InitialDelayInKB: %"PRIu16"; TargetKbps: %"PRIu16"; MaxKbps: %"PRIu16"\n",
160 info->InitialDelayInKB, info->TargetKbps, info->MaxKbps);
161 } else if (info->RateControlMethod == MFX_RATECONTROL_CQP) {
162 av_log(avctx, AV_LOG_VERBOSE, "QPI: %"PRIu16"; QPP: %"PRIu16"; QPB: %"PRIu16"\n",
163 info->QPI, info->QPP, info->QPB);
164 } else if (info->RateControlMethod == MFX_RATECONTROL_AVBR) {
165 av_log(avctx, AV_LOG_VERBOSE,
166 "TargetKbps: %"PRIu16"; Accuracy: %"PRIu16"; Convergence: %"PRIu16"\n",
167 info->TargetKbps, info->Accuracy, info->Convergence);
170 else if (info->RateControlMethod == MFX_RATECONTROL_LA
172 || info->RateControlMethod == MFX_RATECONTROL_LA_HRD
175 av_log(avctx, AV_LOG_VERBOSE,
176 "TargetKbps: %"PRIu16"; LookAheadDepth: %"PRIu16"\n",
177 info->TargetKbps, co2->LookAheadDepth);
181 else if (info->RateControlMethod == MFX_RATECONTROL_ICQ) {
182 av_log(avctx, AV_LOG_VERBOSE, "ICQQuality: %"PRIu16"\n", info->ICQQuality);
183 } else if (info->RateControlMethod == MFX_RATECONTROL_LA_ICQ) {
184 av_log(avctx, AV_LOG_VERBOSE, "ICQQuality: %"PRIu16"; LookAheadDepth: %"PRIu16"\n",
185 info->ICQQuality, co2->LookAheadDepth);
189 av_log(avctx, AV_LOG_VERBOSE, "NumSlice: %"PRIu16"; NumRefFrame: %"PRIu16"\n",
190 info->NumSlice, info->NumRefFrame);
191 av_log(avctx, AV_LOG_VERBOSE, "RateDistortionOpt: %s\n",
192 print_threestate(co->RateDistortionOpt));
195 av_log(avctx, AV_LOG_VERBOSE,
196 "RecoveryPointSEI: %s IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16"; IntRefQPDelta: %"PRId16"\n",
197 print_threestate(co->RecoveryPointSEI), co2->IntRefType, co2->IntRefCycleSize, co2->IntRefQPDelta);
199 av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %"PRIu16"; ", co2->MaxFrameSize);
200 #if QSV_HAVE_MAX_SLICE_SIZE
201 av_log(avctx, AV_LOG_VERBOSE, "MaxSliceSize: %"PRIu16"; ", co2->MaxSliceSize);
203 av_log(avctx, AV_LOG_VERBOSE, "\n");
205 av_log(avctx, AV_LOG_VERBOSE,
206 "BitrateLimit: %s; MBBRC: %s; ExtBRC: %s\n",
207 print_threestate(co2->BitrateLimit), print_threestate(co2->MBBRC),
208 print_threestate(co2->ExtBRC));
211 av_log(avctx, AV_LOG_VERBOSE, "Trellis: ");
212 if (co2->Trellis & MFX_TRELLIS_OFF) {
213 av_log(avctx, AV_LOG_VERBOSE, "off");
214 } else if (!co2->Trellis) {
215 av_log(avctx, AV_LOG_VERBOSE, "auto");
217 if (co2->Trellis & MFX_TRELLIS_I) av_log(avctx, AV_LOG_VERBOSE, "I");
218 if (co2->Trellis & MFX_TRELLIS_P) av_log(avctx, AV_LOG_VERBOSE, "P");
219 if (co2->Trellis & MFX_TRELLIS_B) av_log(avctx, AV_LOG_VERBOSE, "B");
221 av_log(avctx, AV_LOG_VERBOSE, "\n");
224 #if QSV_VERSION_ATLEAST(1, 8)
225 av_log(avctx, AV_LOG_VERBOSE,
226 "RepeatPPS: %s; NumMbPerSlice: %"PRIu16"; LookAheadDS: ",
227 print_threestate(co2->RepeatPPS), co2->NumMbPerSlice);
228 switch (co2->LookAheadDS) {
229 case MFX_LOOKAHEAD_DS_OFF: av_log(avctx, AV_LOG_VERBOSE, "off"); break;
230 case MFX_LOOKAHEAD_DS_2x: av_log(avctx, AV_LOG_VERBOSE, "2x"); break;
231 case MFX_LOOKAHEAD_DS_4x: av_log(avctx, AV_LOG_VERBOSE, "4x"); break;
232 default: av_log(avctx, AV_LOG_VERBOSE, "unknown"); break;
234 av_log(avctx, AV_LOG_VERBOSE, "\n");
236 av_log(avctx, AV_LOG_VERBOSE, "AdaptiveI: %s; AdaptiveB: %s; BRefType: ",
237 print_threestate(co2->AdaptiveI), print_threestate(co2->AdaptiveB));
238 switch (co2->BRefType) {
239 case MFX_B_REF_OFF: av_log(avctx, AV_LOG_VERBOSE, "off"); break;
240 case MFX_B_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid"); break;
241 default: av_log(avctx, AV_LOG_VERBOSE, "auto"); break;
243 av_log(avctx, AV_LOG_VERBOSE, "\n");
246 #if QSV_VERSION_ATLEAST(1, 9)
247 av_log(avctx, AV_LOG_VERBOSE,
248 "MinQPI: %"PRIu8"; MaxQPI: %"PRIu8"; MinQPP: %"PRIu8"; MaxQPP: %"PRIu8"; MinQPB: %"PRIu8"; MaxQPB: %"PRIu8"\n",
249 co2->MinQPI, co2->MaxQPI, co2->MinQPP, co2->MaxQPP, co2->MinQPB, co2->MaxQPB);
253 if (avctx->codec_id == AV_CODEC_ID_H264) {
254 av_log(avctx, AV_LOG_VERBOSE, "Entropy coding: %s; MaxDecFrameBuffering: %"PRIu16"\n",
255 co->CAVLC == MFX_CODINGOPTION_ON ? "CAVLC" : "CABAC", co->MaxDecFrameBuffering);
256 av_log(avctx, AV_LOG_VERBOSE,
257 "NalHrdConformance: %s; SingleSeiNalUnit: %s; VuiVclHrdParameters: %s VuiNalHrdParameters: %s\n",
258 print_threestate(co->NalHrdConformance), print_threestate(co->SingleSeiNalUnit),
259 print_threestate(co->VuiVclHrdParameters), print_threestate(co->VuiNalHrdParameters));
263 static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q)
268 int want_la = q->look_ahead;
269 int want_qscale = !!(avctx->flags & AV_CODEC_FLAG_QSCALE);
270 int want_vcm = q->vcm;
272 if (want_la && !QSV_HAVE_LA) {
273 av_log(avctx, AV_LOG_ERROR,
274 "Lookahead ratecontrol mode requested, but is not supported by this SDK version\n");
275 return AVERROR(ENOSYS);
277 if (want_vcm && !QSV_HAVE_VCM) {
278 av_log(avctx, AV_LOG_ERROR,
279 "VCM ratecontrol mode requested, but is not supported by this SDK version\n");
280 return AVERROR(ENOSYS);
283 if (want_la + want_qscale + want_vcm > 1) {
284 av_log(avctx, AV_LOG_ERROR,
285 "More than one of: { constant qscale, lookahead, VCM } requested, "
286 "only one of them can be used at a time.\n");
287 return AVERROR(EINVAL);
291 rc_mode = MFX_RATECONTROL_CQP;
292 rc_desc = "constant quantization parameter (CQP)";
296 rc_mode = MFX_RATECONTROL_VCM;
297 rc_desc = "video conferencing mode (VCM)";
302 rc_mode = MFX_RATECONTROL_LA;
303 rc_desc = "VBR with lookahead (LA)";
306 if (avctx->global_quality > 0) {
307 rc_mode = MFX_RATECONTROL_LA_ICQ;
308 rc_desc = "intelligent constant quality with lookahead (LA_ICQ)";
314 else if (avctx->global_quality > 0) {
315 rc_mode = MFX_RATECONTROL_ICQ;
316 rc_desc = "intelligent constant quality (ICQ)";
319 else if (avctx->rc_max_rate == avctx->bit_rate) {
320 rc_mode = MFX_RATECONTROL_CBR;
321 rc_desc = "constant bitrate (CBR)";
322 } else if (!avctx->rc_max_rate) {
323 rc_mode = MFX_RATECONTROL_AVBR;
324 rc_desc = "average variable bitrate (AVBR)";
326 rc_mode = MFX_RATECONTROL_VBR;
327 rc_desc = "variable bitrate (VBR)";
330 q->param.mfx.RateControlMethod = rc_mode;
331 av_log(avctx, AV_LOG_VERBOSE, "Using the %s ratecontrol method\n", rc_desc);
336 static int rc_supported(QSVEncContext *q)
338 mfxVideoParam param_out = { .mfx.CodecId = q->param.mfx.CodecId };
341 ret = MFXVideoENCODE_Query(q->session, &q->param, ¶m_out);
343 param_out.mfx.RateControlMethod != q->param.mfx.RateControlMethod)
348 static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
350 enum AVPixelFormat sw_format = avctx->pix_fmt == AV_PIX_FMT_QSV ?
351 avctx->sw_pix_fmt : avctx->pix_fmt;
352 const AVPixFmtDescriptor *desc;
356 ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
359 q->param.mfx.CodecId = ret;
361 if (avctx->level > 0)
362 q->param.mfx.CodecLevel = avctx->level;
364 q->param.mfx.CodecProfile = q->profile;
365 q->param.mfx.TargetUsage = q->preset;
366 q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
367 q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
368 q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
370 q->param.mfx.IdrInterval = q->idr_interval;
371 q->param.mfx.NumSlice = avctx->slices;
372 q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
373 q->param.mfx.EncodedOrder = 0;
374 q->param.mfx.BufferSizeInKB = 0;
376 desc = av_pix_fmt_desc_get(sw_format);
380 ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
382 q->param.mfx.FrameInfo.CropX = 0;
383 q->param.mfx.FrameInfo.CropY = 0;
384 q->param.mfx.FrameInfo.CropW = avctx->width;
385 q->param.mfx.FrameInfo.CropH = avctx->height;
386 q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
387 q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
388 q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
389 q->param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth;
390 q->param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
391 q->param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8;
393 // TODO: detect version of MFX--if the minor version is greater than
394 // or equal to 19, then can use the same alignment settings as H.264
396 q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
397 q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
399 if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
400 // it is important that PicStruct be setup correctly from the
401 // start--otherwise, encoding doesn't work and results in a bunch
402 // of incompatible video parameter errors
403 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF;
404 // height alignment always must be 32 for interlaced video
405 q->height_align = 32;
407 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
408 // for progressive video, the height should be aligned to 16 for
409 // H.264. For HEVC, depending on the version of MFX, it should be
410 // either 32 or 16. The lower number is better if possible.
411 q->height_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
413 q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, q->height_align);
415 if (avctx->hw_frames_ctx) {
416 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
417 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
418 q->param.mfx.FrameInfo.Width = frames_hwctx->surfaces[0].Info.Width;
419 q->param.mfx.FrameInfo.Height = frames_hwctx->surfaces[0].Info.Height;
422 if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
423 q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
424 q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
426 q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
427 q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
430 ret = select_rc_mode(avctx, q);
434 switch (q->param.mfx.RateControlMethod) {
435 case MFX_RATECONTROL_CBR:
436 case MFX_RATECONTROL_VBR:
438 case MFX_RATECONTROL_VCM:
440 q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
441 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
442 q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
444 case MFX_RATECONTROL_CQP:
445 quant = avctx->global_quality / FF_QP2LAMBDA;
447 q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
448 q->param.mfx.QPP = av_clip(quant, 0, 51);
449 q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
452 case MFX_RATECONTROL_AVBR:
453 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
454 q->param.mfx.Convergence = q->avbr_convergence;
455 q->param.mfx.Accuracy = q->avbr_accuracy;
458 case MFX_RATECONTROL_LA:
459 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
460 q->extco2.LookAheadDepth = q->look_ahead_depth;
463 case MFX_RATECONTROL_LA_ICQ:
464 q->extco2.LookAheadDepth = q->look_ahead_depth;
465 case MFX_RATECONTROL_ICQ:
466 q->param.mfx.ICQQuality = avctx->global_quality;
472 // the HEVC encoder plugin currently fails if coding options
474 if (avctx->codec_id != AV_CODEC_ID_HEVC) {
475 q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
476 q->extco.Header.BufferSz = sizeof(q->extco);
477 #if FF_API_CODER_TYPE
478 FF_DISABLE_DEPRECATION_WARNINGS
479 if (avctx->coder_type != 0)
480 q->cavlc = avctx->coder_type == FF_CODER_TYPE_VLC;
481 FF_ENABLE_DEPRECATION_WARNINGS
483 q->extco.CAVLC = q->cavlc ? MFX_CODINGOPTION_ON
484 : MFX_CODINGOPTION_UNKNOWN;
486 q->extco.PicTimingSEI = q->pic_timing_sei ?
487 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
490 q->extco.RateDistortionOpt = q->rdo > 0 ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
492 if (avctx->codec_id == AV_CODEC_ID_H264) {
493 if (avctx->strict_std_compliance != FF_COMPLIANCE_NORMAL)
494 q->extco.NalHrdConformance = avctx->strict_std_compliance > FF_COMPLIANCE_NORMAL ?
495 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
497 if (q->single_sei_nal_unit >= 0)
498 q->extco.SingleSeiNalUnit = q->single_sei_nal_unit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
499 if (q->recovery_point_sei >= 0)
500 q->extco.RecoveryPointSEI = q->recovery_point_sei ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
501 q->extco.MaxDecFrameBuffering = q->max_dec_frame_buffering;
504 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;
507 if (avctx->codec_id == AV_CODEC_ID_H264) {
508 q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
509 q->extco2.Header.BufferSz = sizeof(q->extco2);
511 if (q->int_ref_type >= 0)
512 q->extco2.IntRefType = q->int_ref_type;
513 if (q->int_ref_cycle_size >= 0)
514 q->extco2.IntRefCycleSize = q->int_ref_cycle_size;
515 if (q->int_ref_qp_delta != INT16_MIN)
516 q->extco2.IntRefQPDelta = q->int_ref_qp_delta;
518 if (q->bitrate_limit >= 0)
519 q->extco2.BitrateLimit = q->bitrate_limit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
521 q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
523 q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
525 if (q->max_frame_size >= 0)
526 q->extco2.MaxFrameSize = q->max_frame_size;
527 #if QSV_HAVE_MAX_SLICE_SIZE
528 if (q->max_slice_size >= 0)
529 q->extco2.MaxSliceSize = q->max_slice_size;
533 q->extco2.Trellis = q->trellis;
536 #if QSV_HAVE_BREF_TYPE
537 #if FF_API_PRIVATE_OPT
538 FF_DISABLE_DEPRECATION_WARNINGS
539 if (avctx->b_frame_strategy >= 0)
540 q->b_strategy = avctx->b_frame_strategy;
541 FF_ENABLE_DEPRECATION_WARNINGS
543 if (q->b_strategy >= 0)
544 q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID : MFX_B_REF_OFF;
545 if (q->adaptive_i >= 0)
546 q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
547 if (q->adaptive_b >= 0)
548 q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
551 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco2;
554 q->extco2.LookAheadDS = q->look_ahead_downsampling;
560 if (!rc_supported(q)) {
561 av_log(avctx, AV_LOG_ERROR,
562 "Selected ratecontrol mode is not supported by the QSV "
563 "runtime. Choose a different mode.\n");
564 return AVERROR(ENOSYS);
570 static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
572 AVCPBProperties *cpb_props;
574 uint8_t sps_buf[128];
575 uint8_t pps_buf[128];
577 mfxExtCodingOptionSPSPPS extradata = {
578 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
579 .Header.BufferSz = sizeof(extradata),
580 .SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
581 .PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
584 mfxExtCodingOption co = {
585 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION,
586 .Header.BufferSz = sizeof(co),
589 mfxExtCodingOption2 co2 = {
590 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
591 .Header.BufferSz = sizeof(co2),
595 mfxExtBuffer *ext_buffers[] = {
596 (mfxExtBuffer*)&extradata,
603 int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
606 q->param.ExtParam = ext_buffers;
607 q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
609 ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
611 return ff_qsv_print_error(avctx, ret,
612 "Error calling GetVideoParam");
614 q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
616 if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
617 av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
618 return AVERROR_UNKNOWN;
621 avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
622 AV_INPUT_BUFFER_PADDING_SIZE);
623 if (!avctx->extradata)
624 return AVERROR(ENOMEM);
626 memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
628 memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
629 avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
630 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
632 cpb_props = ff_add_cpb_side_data(avctx);
634 return AVERROR(ENOMEM);
635 cpb_props->max_bitrate = avctx->rc_max_rate;
636 cpb_props->min_bitrate = avctx->rc_min_rate;
637 cpb_props->avg_bitrate = avctx->bit_rate;
638 cpb_props->buffer_size = avctx->rc_buffer_size;
640 dump_video_param(avctx, q, ext_buffers + 1);
645 static int qsv_init_opaque_alloc(AVCodecContext *avctx, QSVEncContext *q)
647 AVQSVContext *qsv = avctx->hwaccel_context;
648 mfxFrameSurface1 *surfaces;
651 nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested + q->async_depth;
653 q->opaque_alloc_buf = av_buffer_allocz(sizeof(*surfaces) * nb_surfaces);
654 if (!q->opaque_alloc_buf)
655 return AVERROR(ENOMEM);
657 q->opaque_surfaces = av_malloc_array(nb_surfaces, sizeof(*q->opaque_surfaces));
658 if (!q->opaque_surfaces)
659 return AVERROR(ENOMEM);
661 surfaces = (mfxFrameSurface1*)q->opaque_alloc_buf->data;
662 for (i = 0; i < nb_surfaces; i++) {
663 surfaces[i].Info = q->req.Info;
664 q->opaque_surfaces[i] = surfaces + i;
667 q->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
668 q->opaque_alloc.Header.BufferSz = sizeof(q->opaque_alloc);
669 q->opaque_alloc.In.Surfaces = q->opaque_surfaces;
670 q->opaque_alloc.In.NumSurface = nb_surfaces;
671 q->opaque_alloc.In.Type = q->req.Type;
673 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->opaque_alloc;
675 qsv->nb_opaque_surfaces = nb_surfaces;
676 qsv->opaque_surfaces = q->opaque_alloc_buf;
677 qsv->opaque_alloc_type = q->req.Type;
682 static int qsvenc_init_session(AVCodecContext *avctx, QSVEncContext *q)
686 if (avctx->hwaccel_context) {
687 AVQSVContext *qsv = avctx->hwaccel_context;
688 q->session = qsv->session;
689 } else if (avctx->hw_frames_ctx) {
690 q->frames_ctx.hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
691 if (!q->frames_ctx.hw_frames_ctx)
692 return AVERROR(ENOMEM);
694 ret = ff_qsv_init_session_frames(avctx, &q->internal_session,
695 &q->frames_ctx, q->load_plugins,
696 q->param.IOPattern == MFX_IOPATTERN_IN_OPAQUE_MEMORY);
698 av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
702 q->session = q->internal_session;
703 } else if (avctx->hw_device_ctx) {
704 ret = ff_qsv_init_session_device(avctx, &q->internal_session,
705 avctx->hw_device_ctx, q->load_plugins);
709 q->session = q->internal_session;
711 ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
716 q->session = q->internal_session;
722 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
725 int opaque_alloc = 0;
728 q->param.AsyncDepth = q->async_depth;
730 q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
731 (sizeof(AVPacket) + sizeof(mfxSyncPoint*) + sizeof(mfxBitstream*)));
733 return AVERROR(ENOMEM);
735 if (avctx->hwaccel_context) {
736 AVQSVContext *qsv = avctx->hwaccel_context;
738 iopattern = qsv->iopattern;
739 opaque_alloc = qsv->opaque_alloc;
742 if (avctx->hw_frames_ctx) {
743 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
744 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
747 if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
748 iopattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY;
749 else if (frames_hwctx->frame_type &
750 (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET | MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET))
751 iopattern = MFX_IOPATTERN_IN_VIDEO_MEMORY;
756 iopattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
757 q->param.IOPattern = iopattern;
759 ret = qsvenc_init_session(avctx, q);
763 ret = init_video_param(avctx, q);
767 ret = MFXVideoENCODE_Query(q->session, &q->param, &q->param);
768 if (ret == MFX_WRN_PARTIAL_ACCELERATION) {
769 av_log(avctx, AV_LOG_WARNING, "Encoder will work with partial HW acceleration\n");
770 } else if (ret < 0) {
771 return ff_qsv_print_error(avctx, ret,
772 "Error querying encoder params");
775 ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
777 return ff_qsv_print_error(avctx, ret,
778 "Error querying (IOSurf) the encoding parameters");
781 ret = qsv_init_opaque_alloc(avctx, q);
786 if (avctx->hwaccel_context) {
787 AVQSVContext *qsv = avctx->hwaccel_context;
790 q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
791 sizeof(*q->extparam));
793 return AVERROR(ENOMEM);
795 q->param.ExtParam = q->extparam;
796 for (i = 0; i < qsv->nb_ext_buffers; i++)
797 q->param.ExtParam[i] = qsv->ext_buffers[i];
798 q->param.NumExtParam = qsv->nb_ext_buffers;
800 for (i = 0; i < q->nb_extparam_internal; i++) {
801 for (j = 0; j < qsv->nb_ext_buffers; j++) {
802 if (qsv->ext_buffers[j]->BufferId == q->extparam_internal[i]->BufferId)
805 if (j < qsv->nb_ext_buffers)
808 q->param.ExtParam[q->param.NumExtParam++] = q->extparam_internal[i];
811 q->param.ExtParam = q->extparam_internal;
812 q->param.NumExtParam = q->nb_extparam_internal;
815 ret = MFXVideoENCODE_Init(q->session, &q->param);
817 return ff_qsv_print_error(avctx, ret,
818 "Error initializing the encoder");
820 ff_qsv_print_warning(avctx, ret,
821 "Warning in encoder initialization");
823 ret = qsv_retrieve_enc_params(avctx, q);
825 av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
834 static void free_encoder_ctrl_payloads(mfxEncodeCtrl* enc_ctrl)
838 for (i = 0; i < enc_ctrl->NumPayload && i < QSV_MAX_ENC_PAYLOAD; i++) {
839 av_free(enc_ctrl->Payload[i]);
841 enc_ctrl->NumPayload = 0;
845 static void clear_unused_frames(QSVEncContext *q)
847 QSVFrame *cur = q->work_frames;
849 if (cur->used && !cur->surface.Data.Locked) {
850 free_encoder_ctrl_payloads(&cur->enc_ctrl);
851 av_frame_unref(cur->frame);
858 static int get_free_frame(QSVEncContext *q, QSVFrame **f)
860 QSVFrame *frame, **last;
862 clear_unused_frames(q);
864 frame = q->work_frames;
865 last = &q->work_frames;
877 frame = av_mallocz(sizeof(*frame));
879 return AVERROR(ENOMEM);
880 frame->frame = av_frame_alloc();
883 return AVERROR(ENOMEM);
885 frame->enc_ctrl.Payload = av_mallocz(sizeof(mfxPayload*) * QSV_MAX_ENC_PAYLOAD);
886 if (!frame->enc_ctrl.Payload) {
888 return AVERROR(ENOMEM);
898 static int submit_frame(QSVEncContext *q, const AVFrame *frame,
899 QSVFrame **new_frame)
904 ret = get_free_frame(q, &qf);
908 if (frame->format == AV_PIX_FMT_QSV) {
909 ret = av_frame_ref(qf->frame, frame);
913 qf->surface = *(mfxFrameSurface1*)qf->frame->data[3];
915 if (q->frames_ctx.mids) {
916 ret = ff_qsv_find_surface_idx(&q->frames_ctx, qf);
920 qf->surface.Data.MemId = &q->frames_ctx.mids[ret];
923 /* make a copy if the input is not padded as libmfx requires */
924 if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
925 qf->frame->height = FFALIGN(frame->height, q->height_align);
926 qf->frame->width = FFALIGN(frame->width, q->width_align);
928 ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
932 qf->frame->height = frame->height;
933 qf->frame->width = frame->width;
934 ret = av_frame_copy(qf->frame, frame);
936 av_frame_unref(qf->frame);
940 ret = av_frame_ref(qf->frame, frame);
945 qf->surface.Info = q->param.mfx.FrameInfo;
947 qf->surface.Info.PicStruct =
948 !frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
949 frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
950 MFX_PICSTRUCT_FIELD_BFF;
951 if (frame->repeat_pict == 1)
952 qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
953 else if (frame->repeat_pict == 2)
954 qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
955 else if (frame->repeat_pict == 4)
956 qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
958 qf->surface.Data.PitchLow = qf->frame->linesize[0];
959 qf->surface.Data.Y = qf->frame->data[0];
960 qf->surface.Data.UV = qf->frame->data[1];
963 qf->surface.Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
970 static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
972 if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
973 if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
974 q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
975 q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
976 av_log(avctx, AV_LOG_WARNING,
977 "Interlaced coding is supported"
978 " at Main/High Profile Level 2.1-4.1\n");
982 static int encode_frame(AVCodecContext *avctx, QSVEncContext *q,
983 const AVFrame *frame)
985 AVPacket new_pkt = { 0 };
988 mfxFrameSurface1 *surf = NULL;
989 mfxSyncPoint *sync = NULL;
990 QSVFrame *qsv_frame = NULL;
991 mfxEncodeCtrl* enc_ctrl = NULL;
995 ret = submit_frame(q, frame, &qsv_frame);
997 av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
1002 surf = &qsv_frame->surface;
1003 enc_ctrl = &qsv_frame->enc_ctrl;
1006 ret = av_new_packet(&new_pkt, q->packet_size);
1008 av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
1012 bs = av_mallocz(sizeof(*bs));
1014 av_packet_unref(&new_pkt);
1015 return AVERROR(ENOMEM);
1017 bs->Data = new_pkt.data;
1018 bs->MaxLength = new_pkt.size;
1020 if (q->set_encode_ctrl_cb) {
1021 q->set_encode_ctrl_cb(avctx, frame, &qsv_frame->enc_ctrl);
1024 sync = av_mallocz(sizeof(*sync));
1027 av_packet_unref(&new_pkt);
1028 return AVERROR(ENOMEM);
1032 ret = MFXVideoENCODE_EncodeFrameAsync(q->session, enc_ctrl, surf, bs, sync);
1033 if (ret == MFX_WRN_DEVICE_BUSY)
1035 } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_WRN_IN_EXECUTION);
1038 ff_qsv_print_warning(avctx, ret, "Warning during encoding");
1041 av_packet_unref(&new_pkt);
1044 return (ret == MFX_ERR_MORE_DATA) ?
1045 0 : ff_qsv_print_error(avctx, ret, "Error during encoding");
1048 if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
1049 print_interlace_msg(avctx, q);
1052 av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
1053 av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
1054 av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
1057 av_packet_unref(&new_pkt);
1064 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
1065 AVPacket *pkt, const AVFrame *frame, int *got_packet)
1069 ret = encode_frame(avctx, q, frame);
1073 if (!av_fifo_space(q->async_fifo) ||
1074 (!frame && av_fifo_size(q->async_fifo))) {
1079 av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
1080 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1081 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1084 ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
1085 } while (ret == MFX_WRN_IN_EXECUTION);
1087 new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
1088 new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
1089 new_pkt.size = bs->DataLength;
1091 if (bs->FrameType & MFX_FRAMETYPE_IDR ||
1092 bs->FrameType & MFX_FRAMETYPE_xIDR)
1093 new_pkt.flags |= AV_PKT_FLAG_KEY;
1095 #if FF_API_CODED_FRAME
1096 FF_DISABLE_DEPRECATION_WARNINGS
1097 if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
1098 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
1099 else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
1100 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
1101 else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
1102 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
1103 FF_ENABLE_DEPRECATION_WARNINGS
1110 if (pkt->size < new_pkt.size) {
1111 av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
1112 pkt->size, new_pkt.size);
1113 av_packet_unref(&new_pkt);
1114 return AVERROR(EINVAL);
1117 memcpy(pkt->data, new_pkt.data, new_pkt.size);
1118 pkt->size = new_pkt.size;
1120 ret = av_packet_copy_props(pkt, &new_pkt);
1121 av_packet_unref(&new_pkt);
1133 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
1138 MFXVideoENCODE_Close(q->session);
1139 if (q->internal_session)
1140 MFXClose(q->internal_session);
1142 q->internal_session = NULL;
1144 av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
1145 av_buffer_unref(&q->frames_ctx.mids_buf);
1147 cur = q->work_frames;
1149 q->work_frames = cur->next;
1150 av_frame_free(&cur->frame);
1151 av_free(cur->enc_ctrl.Payload);
1153 cur = q->work_frames;
1156 while (q->async_fifo && av_fifo_size(q->async_fifo)) {
1161 av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
1162 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1163 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1167 av_packet_unref(&pkt);
1169 av_fifo_free(q->async_fifo);
1170 q->async_fifo = NULL;
1172 av_freep(&q->opaque_surfaces);
1173 av_buffer_unref(&q->opaque_alloc_buf);
1175 av_freep(&q->extparam);