qsvenc: support more RC methods
[libav.git] / libavcodec / qsvenc.c
CommitLineData
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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
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40static 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
69static 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
78static 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
107static 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
116static 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
125static 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_VERSION_ATLEAST(1, 9)
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
e7d7cf86 269static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q)
72b7441a 270{
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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)";
72b7441a 310
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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
342static 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
354static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
355{
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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
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364 q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
365
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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;
7c6eb0a1 373 q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
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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;
66acb76b 382 q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
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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
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403 ret = select_rc_mode(avctx, q);
404 if (ret < 0)
405 return ret;
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406
407 switch (q->param.mfx.RateControlMethod) {
408 case MFX_RATECONTROL_CBR:
409 case MFX_RATECONTROL_VBR:
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410#if QSV_HAVE_VCM
411 case MFX_RATECONTROL_VCM:
412#endif
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413 q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
414 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
3edac01f 415 q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
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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;
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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
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443 }
444
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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;
72b7441a 452
dc923bc2 453 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;
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454
455#if QSV_HAVE_CO2
456 if (avctx->codec_id == AV_CODEC_ID_H264) {
457 q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
458 q->extco2.Header.BufferSz = sizeof(q->extco2);
459 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco2;
460 }
461#endif
462 }
463
464 if (!rc_supported(q)) {
465 av_log(avctx, AV_LOG_ERROR,
466 "Selected ratecontrol mode is not supported by the QSV "
467 "runtime. Choose a different mode.\n");
468 return AVERROR(ENOSYS);
66acb76b 469 }
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470
471 return 0;
472}
473
474static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
475{
476 uint8_t sps_buf[128];
477 uint8_t pps_buf[128];
478
479 mfxExtCodingOptionSPSPPS extradata = {
480 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
481 .Header.BufferSz = sizeof(extradata),
482 .SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
483 .PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
484 };
485
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486 mfxExtCodingOption co = {
487 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION,
488 .Header.BufferSz = sizeof(co),
489 };
490#if QSV_HAVE_CO2
491 mfxExtCodingOption2 co2 = {
492 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
493 .Header.BufferSz = sizeof(co2),
494 };
495#endif
496#if QSV_HAVE_CO3
497 mfxExtCodingOption3 co3 = {
498 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION3,
499 .Header.BufferSz = sizeof(co3),
500 };
501#endif
502
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503 mfxExtBuffer *ext_buffers[] = {
504 (mfxExtBuffer*)&extradata,
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505 (mfxExtBuffer*)&co,
506#if QSV_HAVE_CO2
507 (mfxExtBuffer*)&co2,
508#endif
509#if QSV_HAVE_CO3
510 (mfxExtBuffer*)&co3,
511#endif
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512 };
513
3a85397e 514 int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
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515 int ret;
516
517 q->param.ExtParam = ext_buffers;
518 q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
519
520 ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
521 if (ret < 0)
522 return ff_qsv_error(ret);
523
524 q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
525
3a85397e 526 if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
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527 av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
528 return AVERROR_UNKNOWN;
529 }
530
3a85397e 531 avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
059a9348 532 AV_INPUT_BUFFER_PADDING_SIZE);
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533 if (!avctx->extradata)
534 return AVERROR(ENOMEM);
535
536 memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
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537 if (need_pps)
538 memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
539 avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
059a9348 540 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
72b7441a 541
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542 dump_video_param(avctx, q, ext_buffers + 1);
543
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544 return 0;
545}
546
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547static int qsv_init_opaque_alloc(AVCodecContext *avctx, QSVEncContext *q)
548{
549 AVQSVContext *qsv = avctx->hwaccel_context;
550 mfxFrameSurface1 *surfaces;
551 int nb_surfaces, i;
552
553 nb_surfaces = qsv->nb_opaque_surfaces + q->req.NumFrameSuggested + q->async_depth;
554
555 q->opaque_alloc_buf = av_buffer_allocz(sizeof(*surfaces) * nb_surfaces);
556 if (!q->opaque_alloc_buf)
557 return AVERROR(ENOMEM);
558
559 q->opaque_surfaces = av_malloc_array(nb_surfaces, sizeof(*q->opaque_surfaces));
560 if (!q->opaque_surfaces)
561 return AVERROR(ENOMEM);
562
563 surfaces = (mfxFrameSurface1*)q->opaque_alloc_buf->data;
564 for (i = 0; i < nb_surfaces; i++) {
565 surfaces[i].Info = q->req.Info;
566 q->opaque_surfaces[i] = surfaces + i;
567 }
568
569 q->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
570 q->opaque_alloc.Header.BufferSz = sizeof(q->opaque_alloc);
571 q->opaque_alloc.In.Surfaces = q->opaque_surfaces;
572 q->opaque_alloc.In.NumSurface = nb_surfaces;
573 q->opaque_alloc.In.Type = q->req.Type;
574
575 q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->opaque_alloc;
576
577 qsv->nb_opaque_surfaces = nb_surfaces;
578 qsv->opaque_surfaces = q->opaque_alloc_buf;
579 qsv->opaque_alloc_type = q->req.Type;
580
581 return 0;
582}
583
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584int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
585{
dc923bc2 586 int opaque_alloc = 0;
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587 int ret;
588
589 q->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
590 q->param.AsyncDepth = q->async_depth;
591
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592 q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
593 (sizeof(AVPacket) + sizeof(mfxSyncPoint) + sizeof(mfxBitstream*)));
594 if (!q->async_fifo)
595 return AVERROR(ENOMEM);
596
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597 if (avctx->hwaccel_context) {
598 AVQSVContext *qsv = avctx->hwaccel_context;
599
600 q->session = qsv->session;
601 q->param.IOPattern = qsv->iopattern;
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602
603 opaque_alloc = qsv->opaque_alloc;
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604 }
605
606 if (!q->session) {
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607 ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
608 q->load_plugins);
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609 if (ret < 0)
610 return ret;
611
612 q->session = q->internal_session;
613 }
614
615 ret = init_video_param(avctx, q);
616 if (ret < 0)
617 return ret;
618
619 ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
620 if (ret < 0) {
621 av_log(avctx, AV_LOG_ERROR, "Error querying the encoding parameters\n");
622 return ff_qsv_error(ret);
623 }
624
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625 if (opaque_alloc) {
626 ret = qsv_init_opaque_alloc(avctx, q);
627 if (ret < 0)
628 return ret;
629 }
630
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631 if (avctx->hwaccel_context) {
632 AVQSVContext *qsv = avctx->hwaccel_context;
633 int i, j;
634
dc923bc2 635 q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
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636 sizeof(*q->extparam));
637 if (!q->extparam)
638 return AVERROR(ENOMEM);
639
640 q->param.ExtParam = q->extparam;
641 for (i = 0; i < qsv->nb_ext_buffers; i++)
642 q->param.ExtParam[i] = qsv->ext_buffers[i];
643 q->param.NumExtParam = qsv->nb_ext_buffers;
644
dc923bc2 645 for (i = 0; i < q->nb_extparam_internal; i++) {
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646 for (j = 0; j < qsv->nb_ext_buffers; j++) {
647 if (qsv->ext_buffers[j]->BufferId == q->extparam_internal[i]->BufferId)
648 break;
649 }
650 if (j < qsv->nb_ext_buffers)
651 continue;
652
653 q->param.ExtParam[q->param.NumExtParam++] = q->extparam_internal[i];
654 }
655 } else {
656 q->param.ExtParam = q->extparam_internal;
dc923bc2 657 q->param.NumExtParam = q->nb_extparam_internal;
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658 }
659
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660 ret = MFXVideoENCODE_Init(q->session, &q->param);
661 if (ret < 0) {
662 av_log(avctx, AV_LOG_ERROR, "Error initializing the encoder\n");
663 return ff_qsv_error(ret);
664 }
665
666 ret = qsv_retrieve_enc_params(avctx, q);
667 if (ret < 0) {
668 av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
669 return ret;
670 }
671
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672 q->avctx = avctx;
673
674 return 0;
675}
676
677static void clear_unused_frames(QSVEncContext *q)
678{
679 QSVFrame *cur = q->work_frames;
680 while (cur) {
681 if (cur->surface && !cur->surface->Data.Locked) {
682 cur->surface = NULL;
683 av_frame_unref(cur->frame);
684 }
685 cur = cur->next;
686 }
687}
688
689static int get_free_frame(QSVEncContext *q, QSVFrame **f)
690{
691 QSVFrame *frame, **last;
692
693 clear_unused_frames(q);
694
695 frame = q->work_frames;
696 last = &q->work_frames;
697 while (frame) {
698 if (!frame->surface) {
699 *f = frame;
700 return 0;
701 }
702
703 last = &frame->next;
704 frame = frame->next;
705 }
706
707 frame = av_mallocz(sizeof(*frame));
708 if (!frame)
709 return AVERROR(ENOMEM);
710 frame->frame = av_frame_alloc();
711 if (!frame->frame) {
712 av_freep(&frame);
713 return AVERROR(ENOMEM);
714 }
715 *last = frame;
716
717 *f = frame;
718
719 return 0;
720}
721
722static int submit_frame(QSVEncContext *q, const AVFrame *frame,
723 mfxFrameSurface1 **surface)
724{
725 QSVFrame *qf;
726 int ret;
727
728 ret = get_free_frame(q, &qf);
729 if (ret < 0)
730 return ret;
731
732 if (frame->format == AV_PIX_FMT_QSV) {
733 ret = av_frame_ref(qf->frame, frame);
734 if (ret < 0)
735 return ret;
736
737 qf->surface = (mfxFrameSurface1*)qf->frame->data[3];
f6f32fc9 738 } else {
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739 /* make a copy if the input is not padded as libmfx requires */
740 if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
741 qf->frame->height = FFALIGN(frame->height, 32);
742 qf->frame->width = FFALIGN(frame->width, q->width_align);
743
744 ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
745 if (ret < 0)
746 return ret;
747
748 qf->frame->height = frame->height;
749 qf->frame->width = frame->width;
750 ret = av_frame_copy(qf->frame, frame);
751 if (ret < 0) {
752 av_frame_unref(qf->frame);
753 return ret;
754 }
755 } else {
756 ret = av_frame_ref(qf->frame, frame);
757 if (ret < 0)
758 return ret;
72b7441a 759 }
72b7441a 760
2ec96b6b 761 qf->surface_internal.Info = q->param.mfx.FrameInfo;
72b7441a 762
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763 qf->surface_internal.Info.PicStruct =
764 !frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
765 frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
766 MFX_PICSTRUCT_FIELD_BFF;
767 if (frame->repeat_pict == 1)
768 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
769 else if (frame->repeat_pict == 2)
770 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
771 else if (frame->repeat_pict == 4)
772 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
72b7441a 773
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774 qf->surface_internal.Data.PitchLow = qf->frame->linesize[0];
775 qf->surface_internal.Data.Y = qf->frame->data[0];
776 qf->surface_internal.Data.UV = qf->frame->data[1];
72b7441a 777
2ec96b6b 778 qf->surface = &qf->surface_internal;
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779 }
780
781 qf->surface->Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
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782
783 *surface = qf->surface;
784
785 return 0;
786}
787
788static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
789{
790 if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
791 if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
792 q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
793 q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
794 av_log(avctx, AV_LOG_WARNING,
795 "Interlaced coding is supported"
796 " at Main/High Profile Level 2.1-4.1\n");
797 }
798}
799
800int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
801 AVPacket *pkt, const AVFrame *frame, int *got_packet)
802{
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803 AVPacket new_pkt = { 0 };
804 mfxBitstream *bs;
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805
806 mfxFrameSurface1 *surf = NULL;
807 mfxSyncPoint sync = NULL;
808 int ret;
809
810 if (frame) {
811 ret = submit_frame(q, frame, &surf);
812 if (ret < 0) {
813 av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
814 return ret;
815 }
816 }
817
69b92f1b 818 ret = av_new_packet(&new_pkt, q->packet_size);
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819 if (ret < 0) {
820 av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
821 return ret;
822 }
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823
824 bs = av_mallocz(sizeof(*bs));
825 if (!bs) {
826 av_packet_unref(&new_pkt);
827 return AVERROR(ENOMEM);
828 }
829 bs->Data = new_pkt.data;
830 bs->MaxLength = new_pkt.size;
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831
832 do {
69b92f1b 833 ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, &sync);
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834 if (ret == MFX_WRN_DEVICE_BUSY)
835 av_usleep(1);
836 } while (ret > 0);
837
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838 if (ret < 0) {
839 av_packet_unref(&new_pkt);
840 av_freep(&bs);
72b7441a 841 return (ret == MFX_ERR_MORE_DATA) ? 0 : ff_qsv_error(ret);
69b92f1b 842 }
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843
844 if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
845 print_interlace_msg(avctx, q);
846
847 if (sync) {
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848 av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
849 av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
850 av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
851 } else {
852 av_packet_unref(&new_pkt);
853 av_freep(&bs);
854 }
855
856 if (!av_fifo_space(q->async_fifo) ||
857 (!frame && av_fifo_size(q->async_fifo))) {
858 av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
859 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
860 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
861
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862 MFXVideoCORE_SyncOperation(q->session, sync, 60000);
863
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864 new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
865 new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
866 new_pkt.size = bs->DataLength;
867
868 if (bs->FrameType & MFX_FRAMETYPE_IDR ||
869 bs->FrameType & MFX_FRAMETYPE_xIDR)
870 new_pkt.flags |= AV_PKT_FLAG_KEY;
871
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872#if FF_API_CODED_FRAME
873FF_DISABLE_DEPRECATION_WARNINGS
69b92f1b 874 if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
72b7441a 875 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
69b92f1b 876 else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
72b7441a 877 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
69b92f1b 878 else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
72b7441a 879 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
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880FF_ENABLE_DEPRECATION_WARNINGS
881#endif
72b7441a 882
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883 av_freep(&bs);
884
885 if (pkt->data) {
886 if (pkt->size < new_pkt.size) {
887 av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
888 pkt->size, new_pkt.size);
889 av_packet_unref(&new_pkt);
890 return AVERROR(EINVAL);
891 }
72b7441a 892
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893 memcpy(pkt->data, new_pkt.data, new_pkt.size);
894 pkt->size = new_pkt.size;
895
896 ret = av_packet_copy_props(pkt, &new_pkt);
897 av_packet_unref(&new_pkt);
898 if (ret < 0)
899 return ret;
900 } else
901 *pkt = new_pkt;
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902
903 *got_packet = 1;
904 }
905
906 return 0;
907}
908
909int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
910{
911 QSVFrame *cur;
912
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913 if (q->session)
914 MFXVideoENCODE_Close(q->session);
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915 if (q->internal_session)
916 MFXClose(q->internal_session);
917 q->session = NULL;
918 q->internal_session = NULL;
919
920 cur = q->work_frames;
921 while (cur) {
922 q->work_frames = cur->next;
923 av_frame_free(&cur->frame);
924 av_freep(&cur);
925 cur = q->work_frames;
926 }
927
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928 while (q->async_fifo && av_fifo_size(q->async_fifo)) {
929 AVPacket pkt;
930 mfxSyncPoint sync;
931 mfxBitstream *bs;
932
933 av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
934 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
935 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
936
937 av_freep(&bs);
938 av_packet_unref(&pkt);
939 }
940 av_fifo_free(q->async_fifo);
941 q->async_fifo = NULL;
942
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943 av_freep(&q->opaque_surfaces);
944 av_buffer_unref(&q->opaque_alloc_buf);
945
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946 av_freep(&q->extparam);
947
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948 return 0;
949}