lavc: Move b_frame_strategy and b_sensitivity to codec private options
[libav.git] / libavcodec / qsvenc.c
1 /*
2 * Intel MediaSDK QSV encoder utility functions
3 *
4 * copyright (c) 2013 Yukinori Yamazoe
5 * copyright (c) 2015 Anton Khirnov
6 *
7 * This file is part of Libav.
8 *
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.
13 *
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.
18 *
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
22 */
23
24 #include <string.h>
25 #include <sys/types.h>
26 #include <mfx/mfxvideo.h>
27
28 #include "libavutil/common.h"
29 #include "libavutil/mem.h"
30 #include "libavutil/log.h"
31 #include "libavutil/time.h"
32 #include "libavutil/imgutils.h"
33
34 #include "avcodec.h"
35 #include "internal.h"
36 #include "qsv.h"
37 #include "qsv_internal.h"
38 #include "qsvenc.h"
39
40 static const struct {
41 mfxU16 profile;
42 const char *name;
43 } profile_names[] = {
44 { MFX_PROFILE_AVC_BASELINE, "baseline" },
45 { MFX_PROFILE_AVC_MAIN, "main" },
46 { MFX_PROFILE_AVC_EXTENDED, "extended" },
47 { MFX_PROFILE_AVC_HIGH, "high" },
48 #if QSV_VERSION_ATLEAST(1, 15)
49 { MFX_PROFILE_AVC_HIGH_422, "high 422" },
50 #endif
51 #if QSV_VERSION_ATLEAST(1, 4)
52 { MFX_PROFILE_AVC_CONSTRAINED_BASELINE, "constrained baseline" },
53 { MFX_PROFILE_AVC_CONSTRAINED_HIGH, "constrained high" },
54 { MFX_PROFILE_AVC_PROGRESSIVE_HIGH, "progressive high" },
55 #endif
56 { MFX_PROFILE_MPEG2_SIMPLE, "simple" },
57 { MFX_PROFILE_MPEG2_MAIN, "main" },
58 { MFX_PROFILE_MPEG2_HIGH, "high" },
59 { MFX_PROFILE_VC1_SIMPLE, "simple" },
60 { MFX_PROFILE_VC1_MAIN, "main" },
61 { MFX_PROFILE_VC1_ADVANCED, "advanced" },
62 #if QSV_VERSION_ATLEAST(1, 8)
63 { MFX_PROFILE_HEVC_MAIN, "main" },
64 { MFX_PROFILE_HEVC_MAIN10, "main10" },
65 { MFX_PROFILE_HEVC_MAINSP, "mainsp" },
66 #endif
67 };
68
69 static const char *print_profile(mfxU16 profile)
70 {
71 int i;
72 for (i = 0; i < FF_ARRAY_ELEMS(profile_names); i++)
73 if (profile == profile_names[i].profile)
74 return profile_names[i].name;
75 return "unknown";
76 }
77
78 static const struct {
79 mfxU16 rc_mode;
80 const char *name;
81 } rc_names[] = {
82 { MFX_RATECONTROL_CBR, "CBR" },
83 { MFX_RATECONTROL_VBR, "VBR" },
84 { MFX_RATECONTROL_CQP, "CQP" },
85 { MFX_RATECONTROL_AVBR, "AVBR" },
86 #if QSV_HAVE_LA
87 { MFX_RATECONTROL_LA, "LA" },
88 #endif
89 #if QSV_HAVE_ICQ
90 { MFX_RATECONTROL_ICQ, "ICQ" },
91 { MFX_RATECONTROL_LA_ICQ, "LA_ICQ" },
92 #endif
93 #if QSV_HAVE_VCM
94 { MFX_RATECONTROL_VCM, "VCM" },
95 #endif
96 #if QSV_VERSION_ATLEAST(1, 10)
97 { MFX_RATECONTROL_LA_EXT, "LA_EXT" },
98 #endif
99 #if QSV_HAVE_LA_HRD
100 { MFX_RATECONTROL_LA_HRD, "LA_HRD" },
101 #endif
102 #if QSV_HAVE_QVBR
103 { MFX_RATECONTROL_QVBR, "QVBR" },
104 #endif
105 };
106
107 static const char *print_ratecontrol(mfxU16 rc_mode)
108 {
109 int i;
110 for (i = 0; i < FF_ARRAY_ELEMS(rc_names); i++)
111 if (rc_mode == rc_names[i].rc_mode)
112 return rc_names[i].name;
113 return "unknown";
114 }
115
116 static const char *print_threestate(mfxU16 val)
117 {
118 if (val == MFX_CODINGOPTION_ON)
119 return "ON";
120 else if (val == MFX_CODINGOPTION_OFF)
121 return "OFF";
122 return "unknown";
123 }
124
125 static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
126 mfxExtBuffer **coding_opts)
127 {
128 mfxInfoMFX *info = &q->param.mfx;
129
130 mfxExtCodingOption *co = (mfxExtCodingOption*)coding_opts[0];
131 #if QSV_HAVE_CO2
132 mfxExtCodingOption2 *co2 = (mfxExtCodingOption2*)coding_opts[1];
133 #endif
134 #if QSV_HAVE_CO3
135 mfxExtCodingOption3 *co3 = (mfxExtCodingOption3*)coding_opts[2];
136 #endif
137
138 av_log(avctx, AV_LOG_VERBOSE, "profile: %s; level: %"PRIu16"\n",
139 print_profile(info->CodecProfile), info->CodecLevel);
140
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);
148
149 av_log(avctx, AV_LOG_VERBOSE, "TargetUsage: %"PRIu16"; RateControlMethod: %s\n",
150 info->TargetUsage, print_ratecontrol(info->RateControlMethod));
151
152 if (info->RateControlMethod == MFX_RATECONTROL_CBR ||
153 info->RateControlMethod == MFX_RATECONTROL_VBR
154 #if QSV_HAVE_VCM
155 || info->RateControlMethod == MFX_RATECONTROL_VCM
156 #endif
157 ) {
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);
168 }
169 #if QSV_HAVE_LA
170 else if (info->RateControlMethod == MFX_RATECONTROL_LA
171 #if QSV_HAVE_LA_HRD
172 || info->RateControlMethod == MFX_RATECONTROL_LA_HRD
173 #endif
174 ) {
175 av_log(avctx, AV_LOG_VERBOSE,
176 "TargetKbps: %"PRIu16"; LookAheadDepth: %"PRIu16"\n",
177 info->TargetKbps, co2->LookAheadDepth);
178 }
179 #endif
180 #if QSV_HAVE_ICQ
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);
186 }
187 #endif
188 #if QSV_HAVE_QVBR
189 else if (info->RateControlMethod == MFX_RATECONTROL_QVBR) {
190 av_log(avctx, AV_LOG_VERBOSE, "QVBRQuality: %"PRIu16"\n",
191 co3->QVBRQuality);
192 }
193 #endif
194
195 av_log(avctx, AV_LOG_VERBOSE, "NumSlice: %"PRIu16"; NumRefFrame: %"PRIu16"\n",
196 info->NumSlice, info->NumRefFrame);
197 av_log(avctx, AV_LOG_VERBOSE, "RateDistortionOpt: %s\n",
198 print_threestate(co->RateDistortionOpt));
199
200 #if QSV_HAVE_CO2
201 av_log(avctx, AV_LOG_VERBOSE,
202 "RecoveryPointSEI: %s IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16"; IntRefQPDelta: %"PRId16"\n",
203 print_threestate(co->RecoveryPointSEI), co2->IntRefType, co2->IntRefCycleSize, co2->IntRefQPDelta);
204
205 av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %"PRIu16"; ", co2->MaxFrameSize);
206 #if QSV_HAVE_MAX_SLICE_SIZE
207 av_log(avctx, AV_LOG_VERBOSE, "MaxSliceSize: %"PRIu16"; ", co2->MaxSliceSize);
208 #endif
209 av_log(avctx, AV_LOG_VERBOSE, "\n");
210
211 av_log(avctx, AV_LOG_VERBOSE,
212 "BitrateLimit: %s; MBBRC: %s; ExtBRC: %s\n",
213 print_threestate(co2->BitrateLimit), print_threestate(co2->MBBRC),
214 print_threestate(co2->ExtBRC));
215
216 #if QSV_HAVE_TRELLIS
217 av_log(avctx, AV_LOG_VERBOSE, "Trellis: ");
218 if (co2->Trellis & MFX_TRELLIS_OFF) {
219 av_log(avctx, AV_LOG_VERBOSE, "off");
220 } else if (!co2->Trellis) {
221 av_log(avctx, AV_LOG_VERBOSE, "auto");
222 } else {
223 if (co2->Trellis & MFX_TRELLIS_I) av_log(avctx, AV_LOG_VERBOSE, "I");
224 if (co2->Trellis & MFX_TRELLIS_P) av_log(avctx, AV_LOG_VERBOSE, "P");
225 if (co2->Trellis & MFX_TRELLIS_B) av_log(avctx, AV_LOG_VERBOSE, "B");
226 }
227 av_log(avctx, AV_LOG_VERBOSE, "\n");
228 #endif
229
230 #if QSV_VERSION_ATLEAST(1, 8)
231 av_log(avctx, AV_LOG_VERBOSE,
232 "RepeatPPS: %s; NumMbPerSlice: %"PRIu16"; LookAheadDS: ",
233 print_threestate(co2->RepeatPPS), co2->NumMbPerSlice);
234 switch (co2->LookAheadDS) {
235 case MFX_LOOKAHEAD_DS_OFF: av_log(avctx, AV_LOG_VERBOSE, "off"); break;
236 case MFX_LOOKAHEAD_DS_2x: av_log(avctx, AV_LOG_VERBOSE, "2x"); break;
237 case MFX_LOOKAHEAD_DS_4x: av_log(avctx, AV_LOG_VERBOSE, "4x"); break;
238 default: av_log(avctx, AV_LOG_VERBOSE, "unknown"); break;
239 }
240 av_log(avctx, AV_LOG_VERBOSE, "\n");
241
242 av_log(avctx, AV_LOG_VERBOSE, "AdaptiveI: %s; AdaptiveB: %s; BRefType: ",
243 print_threestate(co2->AdaptiveI), print_threestate(co2->AdaptiveB));
244 switch (co2->BRefType) {
245 case MFX_B_REF_OFF: av_log(avctx, AV_LOG_VERBOSE, "off"); break;
246 case MFX_B_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid"); break;
247 default: av_log(avctx, AV_LOG_VERBOSE, "auto"); break;
248 }
249 av_log(avctx, AV_LOG_VERBOSE, "\n");
250 #endif
251
252 #if QSV_VERSION_ATLEAST(1, 9)
253 av_log(avctx, AV_LOG_VERBOSE,
254 "MinQPI: %"PRIu8"; MaxQPI: %"PRIu8"; MinQPP: %"PRIu8"; MaxQPP: %"PRIu8"; MinQPB: %"PRIu8"; MaxQPB: %"PRIu8"\n",
255 co2->MinQPI, co2->MaxQPI, co2->MinQPP, co2->MaxQPP, co2->MinQPB, co2->MaxQPB);
256 #endif
257 #endif
258
259 if (avctx->codec_id == AV_CODEC_ID_H264) {
260 av_log(avctx, AV_LOG_VERBOSE, "Entropy coding: %s; MaxDecFrameBuffering: %"PRIu16"\n",
261 co->CAVLC == MFX_CODINGOPTION_ON ? "CAVLC" : "CABAC", co->MaxDecFrameBuffering);
262 av_log(avctx, AV_LOG_VERBOSE,
263 "NalHrdConformance: %s; SingleSeiNalUnit: %s; VuiVclHrdParameters: %s VuiNalHrdParameters: %s\n",
264 print_threestate(co->NalHrdConformance), print_threestate(co->SingleSeiNalUnit),
265 print_threestate(co->VuiVclHrdParameters), print_threestate(co->VuiNalHrdParameters));
266 }
267 }
268
269 static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q)
270 {
271 const char *rc_desc;
272 mfxU16 rc_mode;
273
274 int want_la = q->la_depth >= 0;
275 int want_qscale = !!(avctx->flags & AV_CODEC_FLAG_QSCALE);
276 int want_vcm = q->vcm;
277
278 if (want_la && !QSV_HAVE_LA) {
279 av_log(avctx, AV_LOG_ERROR,
280 "Lookahead ratecontrol mode requested, but is not supported by this SDK version\n");
281 return AVERROR(ENOSYS);
282 }
283 if (want_vcm && !QSV_HAVE_VCM) {
284 av_log(avctx, AV_LOG_ERROR,
285 "VCM ratecontrol mode requested, but is not supported by this SDK version\n");
286 return AVERROR(ENOSYS);
287 }
288
289 if (want_la + want_qscale + want_vcm > 1) {
290 av_log(avctx, AV_LOG_ERROR,
291 "More than one of: { constant qscale, lookahead, VCM } requested, "
292 "only one of them can be used at a time.\n");
293 return AVERROR(EINVAL);
294 }
295
296 if (want_qscale) {
297 rc_mode = MFX_RATECONTROL_CQP;
298 rc_desc = "constant quantization parameter (CQP)";
299 }
300 #if QSV_HAVE_VCM
301 else if (want_vcm) {
302 rc_mode = MFX_RATECONTROL_VCM;
303 rc_desc = "video conferencing mode (VCM)";
304 }
305 #endif
306 #if QSV_HAVE_LA
307 else if (want_la) {
308 rc_mode = MFX_RATECONTROL_LA;
309 rc_desc = "VBR with lookahead (LA)";
310
311 #if QSV_HAVE_ICQ
312 if (avctx->global_quality > 0) {
313 rc_mode = MFX_RATECONTROL_LA_ICQ;
314 rc_desc = "intelligent constant quality with lookahead (LA_ICQ)";
315 }
316 #endif
317 }
318 #endif
319 #if QSV_HAVE_ICQ
320 else if (avctx->global_quality > 0) {
321 rc_mode = MFX_RATECONTROL_ICQ;
322 rc_desc = "intelligent constant quality (ICQ)";
323 }
324 #endif
325 else if (avctx->rc_max_rate == avctx->bit_rate) {
326 rc_mode = MFX_RATECONTROL_CBR;
327 rc_desc = "constant bitrate (CBR)";
328 } else if (!avctx->rc_max_rate) {
329 rc_mode = MFX_RATECONTROL_AVBR;
330 rc_desc = "average variable bitrate (AVBR)";
331 } else {
332 rc_mode = MFX_RATECONTROL_VBR;
333 rc_desc = "variable bitrate (VBR)";
334 }
335
336 q->param.mfx.RateControlMethod = rc_mode;
337 av_log(avctx, AV_LOG_VERBOSE, "Using the %s ratecontrol method\n", rc_desc);
338
339 return 0;
340 }
341
342 static int rc_supported(QSVEncContext *q)
343 {
344 mfxVideoParam param_out = { .mfx.CodecId = q->param.mfx.CodecId };
345 mfxStatus ret;
346
347 ret = MFXVideoENCODE_Query(q->session, &q->param, &param_out);
348 if (ret < 0 ||
349 param_out.mfx.RateControlMethod != q->param.mfx.RateControlMethod)
350 return 0;
351 return 1;
352 }
353
354 static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
355 {
356 float quant;
357 int ret;
358
359 ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
360 if (ret < 0)
361 return AVERROR_BUG;
362 q->param.mfx.CodecId = ret;
363
364 q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
365
366 if (avctx->level > 0)
367 q->param.mfx.CodecLevel = avctx->level;
368
369 q->param.mfx.CodecProfile = q->profile;
370 q->param.mfx.TargetUsage = q->preset;
371 q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
372 q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
373 q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
374 MFX_GOP_CLOSED : 0;
375 q->param.mfx.IdrInterval = q->idr_interval;
376 q->param.mfx.NumSlice = avctx->slices;
377 q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
378 q->param.mfx.EncodedOrder = 0;
379 q->param.mfx.BufferSizeInKB = 0;
380
381 q->param.mfx.FrameInfo.FourCC = MFX_FOURCC_NV12;
382 q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
383 q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, 32);
384 q->param.mfx.FrameInfo.CropX = 0;
385 q->param.mfx.FrameInfo.CropY = 0;
386 q->param.mfx.FrameInfo.CropW = avctx->width;
387 q->param.mfx.FrameInfo.CropH = avctx->height;
388 q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
389 q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
390 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
391 q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
392 q->param.mfx.FrameInfo.BitDepthLuma = 8;
393 q->param.mfx.FrameInfo.BitDepthChroma = 8;
394
395 if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
396 q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
397 q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
398 } else {
399 q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
400 q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
401 }
402
403 ret = select_rc_mode(avctx, q);
404 if (ret < 0)
405 return ret;
406
407 switch (q->param.mfx.RateControlMethod) {
408 case MFX_RATECONTROL_CBR:
409 case MFX_RATECONTROL_VBR:
410 #if QSV_HAVE_VCM
411 case MFX_RATECONTROL_VCM:
412 #endif
413 q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
414 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
415 q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
416 break;
417 case MFX_RATECONTROL_CQP:
418 quant = avctx->global_quality / FF_QP2LAMBDA;
419
420 q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
421 q->param.mfx.QPP = av_clip(quant, 0, 51);
422 q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
423
424 break;
425 case MFX_RATECONTROL_AVBR:
426 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
427 q->param.mfx.Convergence = q->avbr_convergence;
428 q->param.mfx.Accuracy = q->avbr_accuracy;
429 break;
430 #if QSV_HAVE_LA
431 case MFX_RATECONTROL_LA:
432 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
433 q->extco2.LookAheadDepth = q->la_depth;
434 break;
435 #if QSV_HAVE_ICQ
436 case MFX_RATECONTROL_LA_ICQ:
437 q->extco2.LookAheadDepth = q->la_depth;
438 case MFX_RATECONTROL_ICQ:
439 q->param.mfx.ICQQuality = avctx->global_quality;
440 break;
441 #endif
442 #endif
443 }
444
445 // the HEVC encoder plugin currently fails if coding options
446 // are provided
447 if (avctx->codec_id != AV_CODEC_ID_HEVC) {
448 q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
449 q->extco.Header.BufferSz = sizeof(q->extco);
450 q->extco.CAVLC = avctx->coder_type == FF_CODER_TYPE_VLC ?
451 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
452
453 if (q->rdo >= 0)
454 q->extco.RateDistortionOpt = q->rdo > 0 ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
455
456 if (avctx->codec_id == AV_CODEC_ID_H264) {
457 if (avctx->strict_std_compliance != FF_COMPLIANCE_NORMAL)
458 q->extco.NalHrdConformance = avctx->strict_std_compliance > FF_COMPLIANCE_NORMAL ?
459 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
460
461 if (q->single_sei_nal_unit >= 0)
462 q->extco.SingleSeiNalUnit = q->single_sei_nal_unit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
463 if (q->recovery_point_sei >= 0)
464 q->extco.RecoveryPointSEI = q->recovery_point_sei ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
465 q->extco.MaxDecFrameBuffering = q->max_dec_frame_buffering;
466 }
467
468 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;
469
470 #if QSV_HAVE_CO2
471 if (avctx->codec_id == AV_CODEC_ID_H264) {
472 q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
473 q->extco2.Header.BufferSz = sizeof(q->extco2);
474
475 if (q->int_ref_type >= 0)
476 q->extco2.IntRefType = q->int_ref_type;
477 if (q->int_ref_cycle_size >= 0)
478 q->extco2.IntRefCycleSize = q->int_ref_cycle_size;
479 if (q->int_ref_qp_delta != INT16_MIN)
480 q->extco2.IntRefQPDelta = q->int_ref_qp_delta;
481
482 if (q->bitrate_limit >= 0)
483 q->extco2.BitrateLimit = q->bitrate_limit ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
484 if (q->mbbrc >= 0)
485 q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
486 if (q->extbrc >= 0)
487 q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
488
489 if (q->max_frame_size >= 0)
490 q->extco2.MaxFrameSize = q->max_frame_size;
491 #if QSV_HAVE_MAX_SLICE_SIZE
492 if (q->max_slice_size >= 0)
493 q->extco2.MaxSliceSize = q->max_slice_size;
494 #endif
495
496 #if QSV_HAVE_TRELLIS
497 q->extco2.Trellis = q->trellis;
498 #endif
499
500 #if QSV_HAVE_BREF_TYPE
501 #if FF_API_PRIVATE_OPT
502 FF_DISABLE_DEPRECATION_WARNINGS
503 if (avctx->b_frame_strategy >= 0)
504 q->b_strategy = avctx->b_frame_strategy;
505 FF_ENABLE_DEPRECATION_WARNINGS
506 #endif
507 if (q->extco2.b_strategy >= 0)
508 q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID : MFX_B_REF_OFF;
509 if (q->adaptive_i >= 0)
510 q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
511 if (q->adaptive_b >= 0)
512 q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
513 #endif
514
515 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco2;
516 }
517 #endif
518 }
519
520 if (!rc_supported(q)) {
521 av_log(avctx, AV_LOG_ERROR,
522 "Selected ratecontrol mode is not supported by the QSV "
523 "runtime. Choose a different mode.\n");
524 return AVERROR(ENOSYS);
525 }
526
527 return 0;
528 }
529
530 static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
531 {
532 AVCPBProperties *cpb_props;
533
534 uint8_t sps_buf[128];
535 uint8_t pps_buf[128];
536
537 mfxExtCodingOptionSPSPPS extradata = {
538 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
539 .Header.BufferSz = sizeof(extradata),
540 .SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
541 .PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
542 };
543
544 mfxExtCodingOption co = {
545 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION,
546 .Header.BufferSz = sizeof(co),
547 };
548 #if QSV_HAVE_CO2
549 mfxExtCodingOption2 co2 = {
550 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
551 .Header.BufferSz = sizeof(co2),
552 };
553 #endif
554 #if QSV_HAVE_CO3
555 mfxExtCodingOption3 co3 = {
556 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION3,
557 .Header.BufferSz = sizeof(co3),
558 };
559 #endif
560
561 mfxExtBuffer *ext_buffers[] = {
562 (mfxExtBuffer*)&extradata,
563 (mfxExtBuffer*)&co,
564 #if QSV_HAVE_CO2
565 (mfxExtBuffer*)&co2,
566 #endif
567 #if QSV_HAVE_CO3
568 (mfxExtBuffer*)&co3,
569 #endif
570 };
571
572 int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
573 int ret;
574
575 q->param.ExtParam = ext_buffers;
576 q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
577
578 ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
579 if (ret < 0)
580 return ff_qsv_error(ret);
581
582 q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
583
584 if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
585 av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
586 return AVERROR_UNKNOWN;
587 }
588
589 avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
590 AV_INPUT_BUFFER_PADDING_SIZE);
591 if (!avctx->extradata)
592 return AVERROR(ENOMEM);
593
594 memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
595 if (need_pps)
596 memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
597 avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
598 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
599
600 cpb_props = ff_add_cpb_side_data(avctx);
601 if (!cpb_props)
602 return AVERROR(ENOMEM);
603 cpb_props->max_bitrate = avctx->rc_max_rate;
604 cpb_props->min_bitrate = avctx->rc_min_rate;
605 cpb_props->avg_bitrate = avctx->bit_rate;
606 cpb_props->buffer_size = avctx->rc_buffer_size;
607
608 dump_video_param(avctx, q, ext_buffers + 1);
609
610 return 0;
611 }
612
613 static int qsv_init_opaque_alloc(AVCodecContext *avctx, QSVEncContext *q)
614 {
615 AVQSVContext *qsv = avctx->hwaccel_context;
616 mfxFrameSurface1 *surfaces;
617 int nb_surfaces, i;
618
619 nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested + q->async_depth;
620
621 q->opaque_alloc_buf = av_buffer_allocz(sizeof(*surfaces) * nb_surfaces);
622 if (!q->opaque_alloc_buf)
623 return AVERROR(ENOMEM);
624
625 q->opaque_surfaces = av_malloc_array(nb_surfaces, sizeof(*q->opaque_surfaces));
626 if (!q->opaque_surfaces)
627 return AVERROR(ENOMEM);
628
629 surfaces = (mfxFrameSurface1*)q->opaque_alloc_buf->data;
630 for (i = 0; i < nb_surfaces; i++) {
631 surfaces[i].Info = q->req.Info;
632 q->opaque_surfaces[i] = surfaces + i;
633 }
634
635 q->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
636 q->opaque_alloc.Header.BufferSz = sizeof(q->opaque_alloc);
637 q->opaque_alloc.In.Surfaces = q->opaque_surfaces;
638 q->opaque_alloc.In.NumSurface = nb_surfaces;
639 q->opaque_alloc.In.Type = q->req.Type;
640
641 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->opaque_alloc;
642
643 qsv->nb_opaque_surfaces = nb_surfaces;
644 qsv->opaque_surfaces = q->opaque_alloc_buf;
645 qsv->opaque_alloc_type = q->req.Type;
646
647 return 0;
648 }
649
650 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
651 {
652 int opaque_alloc = 0;
653 int ret;
654
655 q->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
656 q->param.AsyncDepth = q->async_depth;
657
658 q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
659 (sizeof(AVPacket) + sizeof(mfxSyncPoint) + sizeof(mfxBitstream*)));
660 if (!q->async_fifo)
661 return AVERROR(ENOMEM);
662
663 if (avctx->hwaccel_context) {
664 AVQSVContext *qsv = avctx->hwaccel_context;
665
666 q->session = qsv->session;
667 q->param.IOPattern = qsv->iopattern;
668
669 opaque_alloc = qsv->opaque_alloc;
670 }
671
672 if (!q->session) {
673 ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
674 q->load_plugins);
675 if (ret < 0)
676 return ret;
677
678 q->session = q->internal_session;
679 }
680
681 ret = init_video_param(avctx, q);
682 if (ret < 0)
683 return ret;
684
685 ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
686 if (ret < 0) {
687 av_log(avctx, AV_LOG_ERROR, "Error querying the encoding parameters\n");
688 return ff_qsv_error(ret);
689 }
690
691 if (opaque_alloc) {
692 ret = qsv_init_opaque_alloc(avctx, q);
693 if (ret < 0)
694 return ret;
695 }
696
697 if (avctx->hwaccel_context) {
698 AVQSVContext *qsv = avctx->hwaccel_context;
699 int i, j;
700
701 q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
702 sizeof(*q->extparam));
703 if (!q->extparam)
704 return AVERROR(ENOMEM);
705
706 q->param.ExtParam = q->extparam;
707 for (i = 0; i < qsv->nb_ext_buffers; i++)
708 q->param.ExtParam[i] = qsv->ext_buffers[i];
709 q->param.NumExtParam = qsv->nb_ext_buffers;
710
711 for (i = 0; i < q->nb_extparam_internal; i++) {
712 for (j = 0; j < qsv->nb_ext_buffers; j++) {
713 if (qsv->ext_buffers[j]->BufferId == q->extparam_internal[i]->BufferId)
714 break;
715 }
716 if (j < qsv->nb_ext_buffers)
717 continue;
718
719 q->param.ExtParam[q->param.NumExtParam++] = q->extparam_internal[i];
720 }
721 } else {
722 q->param.ExtParam = q->extparam_internal;
723 q->param.NumExtParam = q->nb_extparam_internal;
724 }
725
726 ret = MFXVideoENCODE_Init(q->session, &q->param);
727 if (ret < 0) {
728 av_log(avctx, AV_LOG_ERROR, "Error initializing the encoder\n");
729 return ff_qsv_error(ret);
730 }
731
732 ret = qsv_retrieve_enc_params(avctx, q);
733 if (ret < 0) {
734 av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
735 return ret;
736 }
737
738 q->avctx = avctx;
739
740 return 0;
741 }
742
743 static void clear_unused_frames(QSVEncContext *q)
744 {
745 QSVFrame *cur = q->work_frames;
746 while (cur) {
747 if (cur->surface && !cur->surface->Data.Locked) {
748 cur->surface = NULL;
749 av_frame_unref(cur->frame);
750 }
751 cur = cur->next;
752 }
753 }
754
755 static int get_free_frame(QSVEncContext *q, QSVFrame **f)
756 {
757 QSVFrame *frame, **last;
758
759 clear_unused_frames(q);
760
761 frame = q->work_frames;
762 last = &q->work_frames;
763 while (frame) {
764 if (!frame->surface) {
765 *f = frame;
766 return 0;
767 }
768
769 last = &frame->next;
770 frame = frame->next;
771 }
772
773 frame = av_mallocz(sizeof(*frame));
774 if (!frame)
775 return AVERROR(ENOMEM);
776 frame->frame = av_frame_alloc();
777 if (!frame->frame) {
778 av_freep(&frame);
779 return AVERROR(ENOMEM);
780 }
781 *last = frame;
782
783 *f = frame;
784
785 return 0;
786 }
787
788 static int submit_frame(QSVEncContext *q, const AVFrame *frame,
789 mfxFrameSurface1 **surface)
790 {
791 QSVFrame *qf;
792 int ret;
793
794 ret = get_free_frame(q, &qf);
795 if (ret < 0)
796 return ret;
797
798 if (frame->format == AV_PIX_FMT_QSV) {
799 ret = av_frame_ref(qf->frame, frame);
800 if (ret < 0)
801 return ret;
802
803 qf->surface = (mfxFrameSurface1*)qf->frame->data[3];
804 } else {
805 /* make a copy if the input is not padded as libmfx requires */
806 if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
807 qf->frame->height = FFALIGN(frame->height, 32);
808 qf->frame->width = FFALIGN(frame->width, q->width_align);
809
810 ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
811 if (ret < 0)
812 return ret;
813
814 qf->frame->height = frame->height;
815 qf->frame->width = frame->width;
816 ret = av_frame_copy(qf->frame, frame);
817 if (ret < 0) {
818 av_frame_unref(qf->frame);
819 return ret;
820 }
821 } else {
822 ret = av_frame_ref(qf->frame, frame);
823 if (ret < 0)
824 return ret;
825 }
826
827 qf->surface_internal.Info = q->param.mfx.FrameInfo;
828
829 qf->surface_internal.Info.PicStruct =
830 !frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
831 frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
832 MFX_PICSTRUCT_FIELD_BFF;
833 if (frame->repeat_pict == 1)
834 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
835 else if (frame->repeat_pict == 2)
836 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
837 else if (frame->repeat_pict == 4)
838 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
839
840 qf->surface_internal.Data.PitchLow = qf->frame->linesize[0];
841 qf->surface_internal.Data.Y = qf->frame->data[0];
842 qf->surface_internal.Data.UV = qf->frame->data[1];
843
844 qf->surface = &qf->surface_internal;
845 }
846
847 qf->surface->Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
848
849 *surface = qf->surface;
850
851 return 0;
852 }
853
854 static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
855 {
856 if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
857 if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
858 q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
859 q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
860 av_log(avctx, AV_LOG_WARNING,
861 "Interlaced coding is supported"
862 " at Main/High Profile Level 2.1-4.1\n");
863 }
864 }
865
866 static int encode_frame(AVCodecContext *avctx, QSVEncContext *q,
867 const AVFrame *frame)
868 {
869 AVPacket new_pkt = { 0 };
870 mfxBitstream *bs;
871
872 mfxFrameSurface1 *surf = NULL;
873 mfxSyncPoint sync = NULL;
874 int ret;
875
876 if (frame) {
877 ret = submit_frame(q, frame, &surf);
878 if (ret < 0) {
879 av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
880 return ret;
881 }
882 }
883
884 ret = av_new_packet(&new_pkt, q->packet_size);
885 if (ret < 0) {
886 av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
887 return ret;
888 }
889
890 bs = av_mallocz(sizeof(*bs));
891 if (!bs) {
892 av_packet_unref(&new_pkt);
893 return AVERROR(ENOMEM);
894 }
895 bs->Data = new_pkt.data;
896 bs->MaxLength = new_pkt.size;
897
898 do {
899 ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, &sync);
900 if (ret == MFX_WRN_DEVICE_BUSY)
901 av_usleep(1);
902 } while (ret > 0);
903
904 if (ret < 0) {
905 av_packet_unref(&new_pkt);
906 av_freep(&bs);
907 return (ret == MFX_ERR_MORE_DATA) ? 0 : ff_qsv_error(ret);
908 }
909
910 if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
911 print_interlace_msg(avctx, q);
912
913 if (sync) {
914 av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
915 av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
916 av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
917 } else {
918 av_packet_unref(&new_pkt);
919 av_freep(&bs);
920 }
921
922 return 0;
923 }
924
925 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
926 AVPacket *pkt, const AVFrame *frame, int *got_packet)
927 {
928 int ret;
929
930 ret = encode_frame(avctx, q, frame);
931 if (ret < 0)
932 return ret;
933
934 if (!av_fifo_space(q->async_fifo) ||
935 (!frame && av_fifo_size(q->async_fifo))) {
936 AVPacket new_pkt;
937 mfxBitstream *bs;
938 mfxSyncPoint sync;
939
940 av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
941 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
942 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
943
944 do {
945 ret = MFXVideoCORE_SyncOperation(q->session, sync, 1000);
946 } while (ret == MFX_WRN_IN_EXECUTION);
947
948 new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
949 new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
950 new_pkt.size = bs->DataLength;
951
952 if (bs->FrameType & MFX_FRAMETYPE_IDR ||
953 bs->FrameType & MFX_FRAMETYPE_xIDR)
954 new_pkt.flags |= AV_PKT_FLAG_KEY;
955
956 #if FF_API_CODED_FRAME
957 FF_DISABLE_DEPRECATION_WARNINGS
958 if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
959 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
960 else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
961 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
962 else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
963 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
964 FF_ENABLE_DEPRECATION_WARNINGS
965 #endif
966
967 av_freep(&bs);
968
969 if (pkt->data) {
970 if (pkt->size < new_pkt.size) {
971 av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
972 pkt->size, new_pkt.size);
973 av_packet_unref(&new_pkt);
974 return AVERROR(EINVAL);
975 }
976
977 memcpy(pkt->data, new_pkt.data, new_pkt.size);
978 pkt->size = new_pkt.size;
979
980 ret = av_packet_copy_props(pkt, &new_pkt);
981 av_packet_unref(&new_pkt);
982 if (ret < 0)
983 return ret;
984 } else
985 *pkt = new_pkt;
986
987 *got_packet = 1;
988 }
989
990 return 0;
991 }
992
993 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
994 {
995 QSVFrame *cur;
996
997 if (q->session)
998 MFXVideoENCODE_Close(q->session);
999 if (q->internal_session)
1000 MFXClose(q->internal_session);
1001 q->session = NULL;
1002 q->internal_session = NULL;
1003
1004 cur = q->work_frames;
1005 while (cur) {
1006 q->work_frames = cur->next;
1007 av_frame_free(&cur->frame);
1008 av_freep(&cur);
1009 cur = q->work_frames;
1010 }
1011
1012 while (q->async_fifo && av_fifo_size(q->async_fifo)) {
1013 AVPacket pkt;
1014 mfxSyncPoint sync;
1015 mfxBitstream *bs;
1016
1017 av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
1018 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
1019 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
1020
1021 av_freep(&bs);
1022 av_packet_unref(&pkt);
1023 }
1024 av_fifo_free(q->async_fifo);
1025 q->async_fifo = NULL;
1026
1027 av_freep(&q->opaque_surfaces);
1028 av_buffer_unref(&q->opaque_alloc_buf);
1029
1030 av_freep(&q->extparam);
1031
1032 return 0;
1033 }