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_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
 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         q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;
 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);
 469     }
 470
 471     return 0;
 472 }
 473
 474 static 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
 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
 503     mfxExtBuffer *ext_buffers[] = {
 504         (mfxExtBuffer*)&extradata,
 505         (mfxExtBuffer*)&co,
 506 #if QSV_HAVE_CO2
 507         (mfxExtBuffer*)&co2,
 508 #endif
 509 #if QSV_HAVE_CO3
 510         (mfxExtBuffer*)&co3,
 511 #endif
 512     };
 513
 514     int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
 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
 526     if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
 527         av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
 528         return AVERROR_UNKNOWN;
 529     }
 530
 531     avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
 532                                  AV_INPUT_BUFFER_PADDING_SIZE);
 533     if (!avctx->extradata)
 534         return AVERROR(ENOMEM);
 535
 536     memcpy(avctx->extradata,                        sps_buf, extradata.SPSBufSize);
 537     if (need_pps)
 538         memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
 539     avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
 540     memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 541
 542     dump_video_param(avctx, q, ext_buffers + 1);
 543
 544     return 0;
 545 }
 546
 547 static 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
 584 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
 585 {
 586     int opaque_alloc = 0;
 587     int ret;
 588
 589     q->param.IOPattern  = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
 590     q->param.AsyncDepth = q->async_depth;
 591
 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
 597     if (avctx->hwaccel_context) {
 598         AVQSVContext *qsv = avctx->hwaccel_context;
 599
 600         q->session         = qsv->session;
 601         q->param.IOPattern = qsv->iopattern;
 602
 603         opaque_alloc = qsv->opaque_alloc;
 604     }
 605
 606     if (!q->session) {
 607         ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
 608                                            q->load_plugins);
 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
 625     if (opaque_alloc) {
 626         ret = qsv_init_opaque_alloc(avctx, q);
 627         if (ret < 0)
 628             return ret;
 629     }
 630
 631     if (avctx->hwaccel_context) {
 632         AVQSVContext *qsv = avctx->hwaccel_context;
 633         int i, j;
 634
 635         q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
 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
 645         for (i = 0; i < q->nb_extparam_internal; i++) {
 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;
 657         q->param.NumExtParam = q->nb_extparam_internal;
 658     }
 659
 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
 672     q->avctx = avctx;
 673
 674     return 0;
 675 }
 676
 677 static 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
 689 static 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
 722 static 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];
 738     } else {
 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;
 759         }
 760
 761         qf->surface_internal.Info = q->param.mfx.FrameInfo;
 762
 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;
 773
 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];
 777
 778         qf->surface = &qf->surface_internal;
 779     }
 780
 781     qf->surface->Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
 782
 783     *surface = qf->surface;
 784
 785     return 0;
 786 }
 787
 788 static 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
 800 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
 801                   AVPacket *pkt, const AVFrame *frame, int *got_packet)
 802 {
 803     AVPacket new_pkt = { 0 };
 804     mfxBitstream *bs;
 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
 818     ret = av_new_packet(&new_pkt, q->packet_size);
 819     if (ret < 0) {
 820         av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
 821         return ret;
 822     }
 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;
 831
 832     do {
 833         ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, &sync);
 834         if (ret == MFX_WRN_DEVICE_BUSY)
 835             av_usleep(1);
 836     } while (ret > 0);
 837
 838     if (ret < 0) {
 839         av_packet_unref(&new_pkt);
 840         av_freep(&bs);
 841         return (ret == MFX_ERR_MORE_DATA) ? 0 : ff_qsv_error(ret);
 842     }
 843
 844     if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
 845         print_interlace_msg(avctx, q);
 846
 847     if (sync) {
 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
 862         MFXVideoCORE_SyncOperation(q->session, sync, 60000);
 863
 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
 872 #if FF_API_CODED_FRAME
 873 FF_DISABLE_DEPRECATION_WARNINGS
 874         if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
 875             avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
 876         else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
 877             avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
 878         else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
 879             avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
 880 FF_ENABLE_DEPRECATION_WARNINGS
 881 #endif
 882
 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             }
 892
 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;
 902
 903         *got_packet = 1;
 904     }
 905
 906     return 0;
 907 }
 908
 909 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
 910 {
 911     QSVFrame *cur;
 912
 913     if (q->session)
 914         MFXVideoENCODE_Close(q->session);
 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
 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
 943     av_freep(&q->opaque_surfaces);
 944     av_buffer_unref(&q->opaque_alloc_buf);
 945
 946     av_freep(&q->extparam);
 947
 948     return 0;
 949 }