summaryrefslogtreecommitdiffstats
path: root/dom/media/platforms/PDMFactory.cpp
blob: f640ee450697addb64cb918dc545917c59cbd2ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "PDMFactory.h"

#ifdef MOZ_AV1
#  include "AOMDecoder.h"
#endif
#include "AgnosticDecoderModule.h"
#include "AudioTrimmer.h"
#include "BlankDecoderModule.h"
#include "DecoderDoctorDiagnostics.h"
#include "EMEDecoderModule.h"
#include "GMPDecoderModule.h"
#include "H264.h"
#include "MP4Decoder.h"
#include "MediaChangeMonitor.h"
#include "MediaInfo.h"
#include "TheoraDecoder.h"
#include "VPXDecoder.h"
#include "VideoUtils.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/RemoteDecodeUtils.h"
#include "mozilla/RemoteDecoderManagerChild.h"
#include "mozilla/RemoteDecoderModule.h"
#include "mozilla/SharedThreadPool.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/StaticPrefs_media.h"
#include "mozilla/SyncRunnable.h"
#include "mozilla/TaskQueue.h"
#include "mozilla/gfx/gfxVars.h"
#include "nsIXULRuntime.h"  // for BrowserTabsRemoteAutostart
#include "nsPrintfCString.h"

#include "mozilla/ipc/UtilityAudioDecoderParent.h"

#ifdef XP_WIN
#  include "WMFDecoderModule.h"
#  ifdef MOZ_WMF_MEDIA_ENGINE
#    include "MFMediaEngineDecoderModule.h"
#  endif
#  ifdef MOZ_WMF_CDM
#    include "mozilla/CDMProxy.h"
#  endif
#endif
#ifdef MOZ_FFMPEG
#  include "FFmpegRuntimeLinker.h"
#endif
#ifdef MOZ_APPLEMEDIA
#  include "AppleDecoderModule.h"
#endif
#ifdef MOZ_WIDGET_ANDROID
#  include "AndroidDecoderModule.h"
#endif
#ifdef MOZ_OMX
#  include "OmxDecoderModule.h"
#endif
#include "FFVPXRuntimeLinker.h"

#include <functional>

using DecodeSupport = mozilla::media::DecodeSupport;
using DecodeSupportSet = mozilla::media::DecodeSupportSet;
using MediaCodec = mozilla::media::MediaCodec;
using MediaCodecsSupport = mozilla::media::MediaCodecsSupport;
using MediaCodecsSupported = mozilla::media::MediaCodecsSupported;
using MCSInfo = mozilla::media::MCSInfo;

namespace mozilla {

#define PDM_INIT_LOG(msg, ...) \
  MOZ_LOG(sPDMLog, LogLevel::Debug, ("PDMInitializer, " msg, ##__VA_ARGS__))

extern already_AddRefed<PlatformDecoderModule> CreateNullDecoderModule();

class PDMInitializer final {
 public:
  // This function should only be executed ONCE per process.
  static void InitPDMs();

  // Return true if we've finished PDMs initialization.
  static bool HasInitializedPDMs();

 private:
  static void InitGpuPDMs() {
#ifdef XP_WIN
    WMFDecoderModule::Init();
#endif
  }

  static void InitRddPDMs() {
#ifdef XP_WIN
    WMFDecoderModule::Init();
#endif
#ifdef MOZ_APPLEMEDIA
    AppleDecoderModule::Init();
#endif
#ifdef MOZ_FFMPEG
    if (StaticPrefs::media_rdd_ffmpeg_enabled()) {
      FFmpegRuntimeLinker::Init();
    }
#endif
    FFVPXRuntimeLinker::Init();
  }

  static void InitUtilityPDMs() {
    const ipc::SandboxingKind kind = GetCurrentSandboxingKind();
#ifdef XP_WIN
    if (kind == ipc::SandboxingKind::UTILITY_AUDIO_DECODING_WMF) {
      WMFDecoderModule::Init();
    }
#  ifdef MOZ_WMF_MEDIA_ENGINE
    if (StaticPrefs::media_wmf_media_engine_enabled() &&
        kind == ipc::SandboxingKind::MF_MEDIA_ENGINE_CDM) {
      MFMediaEngineDecoderModule::Init();
    }
#  endif
#endif
#ifdef MOZ_APPLEMEDIA
    if (kind == ipc::SandboxingKind::UTILITY_AUDIO_DECODING_APPLE_MEDIA) {
      AppleDecoderModule::Init();
    }
#endif
    if (kind == ipc::SandboxingKind::GENERIC_UTILITY) {
      FFVPXRuntimeLinker::Init();
    }
#ifdef MOZ_FFMPEG
    if (StaticPrefs::media_utility_ffmpeg_enabled() &&
        kind == ipc::SandboxingKind::GENERIC_UTILITY) {
      FFmpegRuntimeLinker::Init();
    }
#endif
  }

  static void InitContentPDMs() {
#if !defined(MOZ_WIDGET_ANDROID)  // Still required for video?
    if (StaticPrefs::media_allow_audio_non_utility()) {
#endif  // !defined(MOZ_WIDGET_ANDROID)
#ifdef XP_WIN
#  ifdef MOZ_WMF
      if (!StaticPrefs::media_rdd_process_enabled() ||
          !StaticPrefs::media_rdd_wmf_enabled() ||
          !StaticPrefs::media_utility_process_enabled() ||
          !StaticPrefs::media_utility_wmf_enabled()) {
        WMFDecoderModule::Init();
      }
#  endif
#endif
#ifdef MOZ_APPLEMEDIA
      AppleDecoderModule::Init();
#endif
#ifdef MOZ_OMX
      OmxDecoderModule::Init();
#endif
      FFVPXRuntimeLinker::Init();
#ifdef MOZ_FFMPEG
      FFmpegRuntimeLinker::Init();
#endif
#if !defined(MOZ_WIDGET_ANDROID)  // Still required for video?
    }
#endif  // !defined(MOZ_WIDGET_ANDROID)

    RemoteDecoderManagerChild::Init();
  }

  static void InitDefaultPDMs() {
#ifdef XP_WIN
    WMFDecoderModule::Init();
#endif
#ifdef MOZ_APPLEMEDIA
    AppleDecoderModule::Init();
#endif
#ifdef MOZ_OMX
    OmxDecoderModule::Init();
#endif
    FFVPXRuntimeLinker::Init();
#ifdef MOZ_FFMPEG
    FFmpegRuntimeLinker::Init();
#endif
  }

  static bool sHasInitializedPDMs;
  static StaticMutex sMonitor MOZ_UNANNOTATED;
};

bool PDMInitializer::sHasInitializedPDMs = false;
StaticMutex PDMInitializer::sMonitor;

/* static */
void PDMInitializer::InitPDMs() {
  StaticMutexAutoLock mon(sMonitor);
  MOZ_DIAGNOSTIC_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(!sHasInitializedPDMs);
  if (XRE_IsGPUProcess()) {
    PDM_INIT_LOG("Init PDMs in GPU process");
    InitGpuPDMs();
  } else if (XRE_IsRDDProcess()) {
    PDM_INIT_LOG("Init PDMs in RDD process");
    InitRddPDMs();
  } else if (XRE_IsUtilityProcess()) {
    PDM_INIT_LOG("Init PDMs in Utility process");
    InitUtilityPDMs();
  } else if (XRE_IsContentProcess()) {
    PDM_INIT_LOG("Init PDMs in Content process");
    InitContentPDMs();
  } else {
    MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess(),
                          "PDMFactory is only usable in the "
                          "Parent/GPU/RDD/Utility/Content process");
    PDM_INIT_LOG("Init PDMs in Chrome process");
    InitDefaultPDMs();
  }
  sHasInitializedPDMs = true;
}

/* static */
bool PDMInitializer::HasInitializedPDMs() {
  StaticMutexAutoLock mon(sMonitor);
  return sHasInitializedPDMs;
}

class SupportChecker {
 public:
  enum class Reason : uint8_t {
    kSupported,
    kVideoFormatNotSupported,
    kAudioFormatNotSupported,
    kUnknown,
  };

  struct CheckResult {
    explicit CheckResult(Reason aReason,
                         MediaResult aResult = MediaResult(NS_OK))
        : mReason(aReason), mMediaResult(std::move(aResult)) {}
    CheckResult(const CheckResult& aOther) = default;
    CheckResult(CheckResult&& aOther) = default;
    CheckResult& operator=(const CheckResult& aOther) = default;
    CheckResult& operator=(CheckResult&& aOther) = default;

    Reason mReason;
    MediaResult mMediaResult;
  };

  template <class Func>
  void AddToCheckList(Func&& aChecker) {
    mCheckerList.AppendElement(std::forward<Func>(aChecker));
  }

  void AddMediaFormatChecker(const TrackInfo& aTrackConfig) {
    if (aTrackConfig.IsVideo()) {
      auto mimeType = aTrackConfig.GetAsVideoInfo()->mMimeType;
      RefPtr<MediaByteBuffer> extraData =
          aTrackConfig.GetAsVideoInfo()->mExtraData;
      AddToCheckList([mimeType, extraData]() {
        if (MP4Decoder::IsH264(mimeType)) {
          SPSData spsdata;
          // WMF H.264 Video Decoder and Apple ATDecoder
          // do not support YUV444 format.
          // For consistency, all decoders should be checked.
          if (H264::DecodeSPSFromExtraData(extraData, spsdata) &&
              (spsdata.profile_idc == 244 /* Hi444PP */ ||
               spsdata.chroma_format_idc == PDMFactory::kYUV444)) {
            return CheckResult(
                SupportChecker::Reason::kVideoFormatNotSupported,
                MediaResult(
                    NS_ERROR_DOM_MEDIA_FATAL_ERR,
                    RESULT_DETAIL("Decoder may not have the capability "
                                  "to handle the requested video format "
                                  "with YUV444 chroma subsampling.")));
          }
        }
        return CheckResult(SupportChecker::Reason::kSupported);
      });
    }
  }

  SupportChecker::CheckResult Check() {
    for (auto& checker : mCheckerList) {
      auto result = checker();
      if (result.mReason != SupportChecker::Reason::kSupported) {
        return result;
      }
    }
    return CheckResult(SupportChecker::Reason::kSupported);
  }

  void Clear() { mCheckerList.Clear(); }

 private:
  nsTArray<std::function<CheckResult()>> mCheckerList;
};  // SupportChecker

PDMFactory::PDMFactory() {
  EnsureInit();
  CreatePDMs();
  CreateNullPDM();
}

PDMFactory::~PDMFactory() = default;

/* static */
void PDMFactory::EnsureInit() {
  if (PDMInitializer::HasInitializedPDMs()) {
    return;
  }
  auto initalization = []() {
    MOZ_DIAGNOSTIC_ASSERT(NS_IsMainThread());
    if (!PDMInitializer::HasInitializedPDMs()) {
      // Ensure that all system variables are initialized.
      gfx::gfxVars::Initialize();
      // Prime the preferences system from the main thread.
      Unused << BrowserTabsRemoteAutostart();
      PDMInitializer::InitPDMs();
    }
  };
  // If on the main thread, then initialize PDMs. Otherwise, do a sync-dispatch
  // to main thread.
  if (NS_IsMainThread()) {
    initalization();
    return;
  }
  nsCOMPtr<nsIEventTarget> mainTarget = GetMainThreadSerialEventTarget();
  nsCOMPtr<nsIRunnable> runnable = NS_NewRunnableFunction(
      "PDMFactory::EnsureInit", std::move(initalization));
  SyncRunnable::DispatchToThread(mainTarget, runnable);
}

RefPtr<PlatformDecoderModule::CreateDecoderPromise> PDMFactory::CreateDecoder(
    const CreateDecoderParams& aParams) {
  if (aParams.mUseNullDecoder.mUse) {
    MOZ_ASSERT(mNullPDM);
    return CreateDecoderWithPDM(mNullPDM, aParams);
  }
  bool isEncrypted = mEMEPDM && aParams.mConfig.mCrypto.IsEncrypted();

  if (isEncrypted) {
    return CreateDecoderWithPDM(mEMEPDM, aParams);
  }

  return CheckAndMaybeCreateDecoder(CreateDecoderParamsForAsync(aParams), 0);
}

RefPtr<PlatformDecoderModule::CreateDecoderPromise>
PDMFactory::CheckAndMaybeCreateDecoder(CreateDecoderParamsForAsync&& aParams,
                                       uint32_t aIndex,
                                       Maybe<MediaResult> aEarlierError) {
  uint32_t i = aIndex;
  auto params = SupportDecoderParams(aParams);
  for (; i < mCurrentPDMs.Length(); i++) {
    if (mCurrentPDMs[i]->Supports(params, nullptr /* diagnostic */).isEmpty()) {
      continue;
    }
    RefPtr<PlatformDecoderModule::CreateDecoderPromise> p =
        CreateDecoderWithPDM(mCurrentPDMs[i], aParams)
            ->Then(
                GetCurrentSerialEventTarget(), __func__,
                [](RefPtr<MediaDataDecoder>&& aDecoder) {
                  return PlatformDecoderModule::CreateDecoderPromise::
                      CreateAndResolve(std::move(aDecoder), __func__);
                },
                [self = RefPtr{this}, i, params = std::move(aParams)](
                    const MediaResult& aError) mutable {
                  // Try the next PDM.
                  return self->CheckAndMaybeCreateDecoder(std::move(params),
                                                          i + 1, Some(aError));
                });
    return p;
  }
  if (aEarlierError) {
    return PlatformDecoderModule::CreateDecoderPromise::CreateAndReject(
        std::move(*aEarlierError), __func__);
  }
  return PlatformDecoderModule::CreateDecoderPromise::CreateAndReject(
      MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
                  nsPrintfCString("Error no decoder found for %s",
                                  aParams.mConfig->mMimeType.get())
                      .get()),
      __func__);
}

RefPtr<PlatformDecoderModule::CreateDecoderPromise>
PDMFactory::CreateDecoderWithPDM(PlatformDecoderModule* aPDM,
                                 const CreateDecoderParams& aParams) {
  MOZ_ASSERT(aPDM);
  MediaResult result = NS_OK;

  SupportChecker supportChecker;
  const TrackInfo& config = aParams.mConfig;
  supportChecker.AddMediaFormatChecker(config);

  auto checkResult = supportChecker.Check();
  if (checkResult.mReason != SupportChecker::Reason::kSupported) {
    if (checkResult.mReason ==
        SupportChecker::Reason::kVideoFormatNotSupported) {
      result = checkResult.mMediaResult;
    } else if (checkResult.mReason ==
               SupportChecker::Reason::kAudioFormatNotSupported) {
      result = checkResult.mMediaResult;
    }
    return PlatformDecoderModule::CreateDecoderPromise::CreateAndReject(
        result, __func__);
  }

  if (config.IsAudio()) {
    RefPtr<PlatformDecoderModule::CreateDecoderPromise> p;
    p = aPDM->AsyncCreateDecoder(aParams)->Then(
        GetCurrentSerialEventTarget(), __func__,
        [params = CreateDecoderParamsForAsync(aParams)](
            RefPtr<MediaDataDecoder>&& aDecoder) {
          RefPtr<MediaDataDecoder> decoder = std::move(aDecoder);
          if (!params.mNoWrapper.mDontUseWrapper) {
            decoder =
                new AudioTrimmer(decoder.forget(), CreateDecoderParams(params));
          }
          return PlatformDecoderModule::CreateDecoderPromise::CreateAndResolve(
              decoder, __func__);
        },
        [](const MediaResult& aError) {
          return PlatformDecoderModule::CreateDecoderPromise::CreateAndReject(
              aError, __func__);
        });
    return p;
  }

  if (!config.IsVideo()) {
    return PlatformDecoderModule::CreateDecoderPromise::CreateAndReject(
        MediaResult(
            NS_ERROR_DOM_MEDIA_FATAL_ERR,
            RESULT_DETAIL(
                "Decoder configuration error, expected audio or video.")),
        __func__);
  }

  if ((MP4Decoder::IsH264(config.mMimeType) ||
#ifdef MOZ_AV1
       AOMDecoder::IsAV1(config.mMimeType) ||
#endif
       VPXDecoder::IsVPX(config.mMimeType) ||
       MP4Decoder::IsHEVC(config.mMimeType)) &&
      !aParams.mUseNullDecoder.mUse && !aParams.mNoWrapper.mDontUseWrapper) {
    return MediaChangeMonitor::Create(this, aParams);
  }
  return aPDM->AsyncCreateDecoder(aParams);
}

DecodeSupportSet PDMFactory::SupportsMimeType(
    const nsACString& aMimeType) const {
  UniquePtr<TrackInfo> trackInfo = CreateTrackInfoWithMIMEType(aMimeType);
  if (!trackInfo) {
    return DecodeSupportSet{};
  }
  return Supports(SupportDecoderParams(*trackInfo), nullptr);
}

DecodeSupportSet PDMFactory::Supports(
    const SupportDecoderParams& aParams,
    DecoderDoctorDiagnostics* aDiagnostics) const {
  if (mEMEPDM) {
    return mEMEPDM->Supports(aParams, aDiagnostics);
  }

  RefPtr<PlatformDecoderModule> current =
      GetDecoderModule(aParams, aDiagnostics);

  if (!current) {
    return DecodeSupportSet{};
  }

  // We have a PDM - check for + return SW/HW support info
  return current->Supports(aParams, aDiagnostics);
}

void PDMFactory::CreatePDMs() {
  if (StaticPrefs::media_use_blank_decoder()) {
    StartupPDM(BlankDecoderModule::Create());
    // The Blank PDM SupportsMimeType reports true for all codecs; the creation
    // of its decoder is infallible. As such it will be used for all media, we
    // can stop creating more PDM from this point.
    return;
  }

  if (XRE_IsGPUProcess()) {
    CreateGpuPDMs();
  } else if (XRE_IsRDDProcess()) {
    CreateRddPDMs();
  } else if (XRE_IsUtilityProcess()) {
    CreateUtilityPDMs();
  } else if (XRE_IsContentProcess()) {
    CreateContentPDMs();
  } else {
    MOZ_DIAGNOSTIC_ASSERT(
        XRE_IsParentProcess(),
        "PDMFactory is only usable in the Parent/GPU/RDD/Content process");
    CreateDefaultPDMs();
  }
}

void PDMFactory::CreateGpuPDMs() {
#ifdef XP_WIN
  if (StaticPrefs::media_wmf_enabled()) {
    StartupPDM(WMFDecoderModule::Create());
  }
#endif
}

#if defined(MOZ_FFMPEG)
static DecoderDoctorDiagnostics::Flags GetFailureFlagBasedOnFFmpegStatus(
    const FFmpegRuntimeLinker::LinkStatus& aStatus) {
  switch (aStatus) {
    case FFmpegRuntimeLinker::LinkStatus_INVALID_FFMPEG_CANDIDATE:
    case FFmpegRuntimeLinker::LinkStatus_UNUSABLE_LIBAV57:
    case FFmpegRuntimeLinker::LinkStatus_INVALID_LIBAV_CANDIDATE:
    case FFmpegRuntimeLinker::LinkStatus_OBSOLETE_FFMPEG:
    case FFmpegRuntimeLinker::LinkStatus_OBSOLETE_LIBAV:
    case FFmpegRuntimeLinker::LinkStatus_INVALID_CANDIDATE:
      return DecoderDoctorDiagnostics::Flags::LibAVCodecUnsupported;
    default:
      MOZ_DIAGNOSTIC_ASSERT(
          aStatus == FFmpegRuntimeLinker::LinkStatus_NOT_FOUND,
          "Only call this method when linker fails.");
      return DecoderDoctorDiagnostics::Flags::FFmpegNotFound;
  }
}
#endif

void PDMFactory::CreateRddPDMs() {
#ifdef XP_WIN
  if (StaticPrefs::media_wmf_enabled() &&
      StaticPrefs::media_rdd_wmf_enabled()) {
    StartupPDM(WMFDecoderModule::Create());
  }
#endif
#ifdef MOZ_APPLEMEDIA
  if (StaticPrefs::media_rdd_applemedia_enabled()) {
    StartupPDM(AppleDecoderModule::Create());
  }
#endif
  StartupPDM(FFVPXRuntimeLinker::CreateDecoder());
#ifdef MOZ_FFMPEG
  if (StaticPrefs::media_ffmpeg_enabled() &&
      StaticPrefs::media_rdd_ffmpeg_enabled() &&
      !StartupPDM(FFmpegRuntimeLinker::CreateDecoder())) {
    mFailureFlags += GetFailureFlagBasedOnFFmpegStatus(
        FFmpegRuntimeLinker::LinkStatusCode());
  }
#endif
  StartupPDM(AgnosticDecoderModule::Create(),
             StaticPrefs::media_prefer_non_ffvpx());
}

void PDMFactory::CreateUtilityPDMs() {
  const ipc::SandboxingKind aKind = GetCurrentSandboxingKind();
#ifdef XP_WIN
  if (StaticPrefs::media_wmf_enabled() &&
      StaticPrefs::media_utility_wmf_enabled() &&
      aKind == ipc::SandboxingKind::UTILITY_AUDIO_DECODING_WMF) {
    StartupPDM(WMFDecoderModule::Create());
  }
#endif
#ifdef MOZ_APPLEMEDIA
  if (StaticPrefs::media_utility_applemedia_enabled() &&
      aKind == ipc::SandboxingKind::UTILITY_AUDIO_DECODING_APPLE_MEDIA) {
    StartupPDM(AppleDecoderModule::Create());
  }
#endif
  if (aKind == ipc::SandboxingKind::GENERIC_UTILITY) {
    if (StaticPrefs::media_utility_ffvpx_enabled()) {
      StartupPDM(FFVPXRuntimeLinker::CreateDecoder());
    }
#ifdef MOZ_FFMPEG
    if (StaticPrefs::media_ffmpeg_enabled() &&
        StaticPrefs::media_utility_ffmpeg_enabled() &&
        !StartupPDM(FFmpegRuntimeLinker::CreateDecoder())) {
      mFailureFlags += GetFailureFlagBasedOnFFmpegStatus(
          FFmpegRuntimeLinker::LinkStatusCode());
    }
#endif
#ifdef MOZ_WIDGET_ANDROID
    if (StaticPrefs::media_utility_android_media_codec_enabled()) {
      StartupPDM(AndroidDecoderModule::Create(),
                 StaticPrefs::media_android_media_codec_preferred());
    }
#endif
    StartupPDM(AgnosticDecoderModule::Create(),
               StaticPrefs::media_prefer_non_ffvpx());
  }
#ifdef MOZ_WMF_MEDIA_ENGINE
  if (aKind == ipc::SandboxingKind::MF_MEDIA_ENGINE_CDM) {
    if (StaticPrefs::media_wmf_media_engine_enabled()) {
      StartupPDM(MFMediaEngineDecoderModule::Create());
    }
  }
#endif
}

void PDMFactory::CreateContentPDMs() {
  if (StaticPrefs::media_gpu_process_decoder()) {
    StartupPDM(RemoteDecoderModule::Create(RemoteDecodeIn::GpuProcess));
  }

  if (StaticPrefs::media_rdd_process_enabled()) {
    StartupPDM(RemoteDecoderModule::Create(RemoteDecodeIn::RddProcess));
  }

  if (StaticPrefs::media_utility_process_enabled()) {
#ifdef MOZ_APPLEMEDIA
    StartupPDM(
        RemoteDecoderModule::Create(RemoteDecodeIn::UtilityProcess_AppleMedia));
#endif
#ifdef XP_WIN
    StartupPDM(RemoteDecoderModule::Create(RemoteDecodeIn::UtilityProcess_WMF));
#endif
    // WMF and AppleMedia should be created before Generic because the order
    // affects what decoder module would be chose first.
    StartupPDM(
        RemoteDecoderModule::Create(RemoteDecodeIn::UtilityProcess_Generic));
  }
#ifdef MOZ_WMF_MEDIA_ENGINE
  if (StaticPrefs::media_wmf_media_engine_enabled()) {
    StartupPDM(RemoteDecoderModule::Create(
        RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM));
  }
#endif

#if !defined(MOZ_WIDGET_ANDROID)  // Still required for video?
  if (StaticPrefs::media_allow_audio_non_utility()) {
#endif  // !defined(MOZ_WIDGET_ANDROID)
#ifdef XP_WIN
    if (StaticPrefs::media_wmf_enabled()) {
#  ifdef MOZ_WMF
      if (!StaticPrefs::media_rdd_process_enabled() ||
          !StaticPrefs::media_rdd_wmf_enabled()) {
        if (!StartupPDM(WMFDecoderModule::Create())) {
          mFailureFlags += DecoderDoctorDiagnostics::Flags::WMFFailedToLoad;
        }
      }
#  endif
    } else if (StaticPrefs::media_decoder_doctor_wmf_disabled_is_failure()) {
      mFailureFlags += DecoderDoctorDiagnostics::Flags::WMFFailedToLoad;
    }
#endif

#ifdef MOZ_APPLEMEDIA
    StartupPDM(AppleDecoderModule::Create());
#endif
#ifdef MOZ_OMX
    if (StaticPrefs::media_omx_enabled()) {
      StartupPDM(OmxDecoderModule::Create());
    }
#endif
    StartupPDM(FFVPXRuntimeLinker::CreateDecoder());
#ifdef MOZ_FFMPEG
    if (StaticPrefs::media_ffmpeg_enabled() &&
        !StartupPDM(FFmpegRuntimeLinker::CreateDecoder())) {
      mFailureFlags += GetFailureFlagBasedOnFFmpegStatus(
          FFmpegRuntimeLinker::LinkStatusCode());
    }
#endif

    StartupPDM(AgnosticDecoderModule::Create(),
               StaticPrefs::media_prefer_non_ffvpx());
#if !defined(MOZ_WIDGET_ANDROID)  // Still required for video?
  }
#endif  // !defined(MOZ_WIDGET_ANDROID)

  // Android still needs this, the actual decoder is remoted on java side
#ifdef MOZ_WIDGET_ANDROID
  if (StaticPrefs::media_android_media_codec_enabled()) {
    StartupPDM(AndroidDecoderModule::Create(),
               StaticPrefs::media_android_media_codec_preferred());
  }
#endif

  if (StaticPrefs::media_gmp_decoder_enabled() &&
      !StartupPDM(GMPDecoderModule::Create(),
                  StaticPrefs::media_gmp_decoder_preferred())) {
    mFailureFlags += DecoderDoctorDiagnostics::Flags::GMPPDMFailedToStartup;
  }
}

void PDMFactory::CreateDefaultPDMs() {
#ifdef XP_WIN
  if (StaticPrefs::media_wmf_enabled()) {
    if (!StartupPDM(WMFDecoderModule::Create())) {
      mFailureFlags += DecoderDoctorDiagnostics::Flags::WMFFailedToLoad;
    }
  } else if (StaticPrefs::media_decoder_doctor_wmf_disabled_is_failure()) {
    mFailureFlags += DecoderDoctorDiagnostics::Flags::WMFFailedToLoad;
  }
#endif

#ifdef MOZ_APPLEMEDIA
  StartupPDM(AppleDecoderModule::Create());
#endif
#ifdef MOZ_OMX
  if (StaticPrefs::media_omx_enabled()) {
    StartupPDM(OmxDecoderModule::Create());
  }
#endif
  StartupPDM(FFVPXRuntimeLinker::CreateDecoder());
#ifdef MOZ_FFMPEG
  if (StaticPrefs::media_ffmpeg_enabled() &&
      !StartupPDM(FFmpegRuntimeLinker::CreateDecoder())) {
    mFailureFlags += GetFailureFlagBasedOnFFmpegStatus(
        FFmpegRuntimeLinker::LinkStatusCode());
  }
#endif
#ifdef MOZ_WIDGET_ANDROID
  if (StaticPrefs::media_android_media_codec_enabled()) {
    StartupPDM(AndroidDecoderModule::Create(),
               StaticPrefs::media_android_media_codec_preferred());
  }
#endif

  StartupPDM(AgnosticDecoderModule::Create(),
             StaticPrefs::media_prefer_non_ffvpx());

  if (StaticPrefs::media_gmp_decoder_enabled() &&
      !StartupPDM(GMPDecoderModule::Create(),
                  StaticPrefs::media_gmp_decoder_preferred())) {
    mFailureFlags += DecoderDoctorDiagnostics::Flags::GMPPDMFailedToStartup;
  }
}

void PDMFactory::CreateNullPDM() {
  mNullPDM = CreateNullDecoderModule();
  MOZ_ASSERT(mNullPDM && NS_SUCCEEDED(mNullPDM->Startup()));
}

bool PDMFactory::StartupPDM(already_AddRefed<PlatformDecoderModule> aPDM,
                            bool aInsertAtBeginning) {
  RefPtr<PlatformDecoderModule> pdm = aPDM;
  if (pdm && NS_SUCCEEDED(pdm->Startup())) {
    if (aInsertAtBeginning) {
      mCurrentPDMs.InsertElementAt(0, pdm);
    } else {
      mCurrentPDMs.AppendElement(pdm);
    }
    return true;
  }
  return false;
}

already_AddRefed<PlatformDecoderModule> PDMFactory::GetDecoderModule(
    const SupportDecoderParams& aParams,
    DecoderDoctorDiagnostics* aDiagnostics) const {
  if (aDiagnostics) {
    // If libraries failed to load, the following loop over mCurrentPDMs
    // will not even try to use them. So we record failures now.
    aDiagnostics->SetFailureFlags(mFailureFlags);
  }

  RefPtr<PlatformDecoderModule> pdm;
  for (const auto& current : mCurrentPDMs) {
    if (!current->Supports(aParams, aDiagnostics).isEmpty()) {
      pdm = current;
      break;
    }
  }
  return pdm.forget();
}

void PDMFactory::SetCDMProxy(CDMProxy* aProxy) {
  MOZ_ASSERT(aProxy);

#ifdef MOZ_WIDGET_ANDROID
  if (IsWidevineKeySystem(aProxy->KeySystem())) {
    mEMEPDM = AndroidDecoderModule::Create(aProxy);
    return;
  }
#endif
#ifdef MOZ_WMF_CDM
  if (IsPlayReadyKeySystemAndSupported(aProxy->KeySystem()) ||
      IsWidevineExperimentKeySystemAndSupported(aProxy->KeySystem()) ||
      (IsWidevineKeySystem(aProxy->KeySystem()) &&
       aProxy->IsHardwareDecryptionSupported()) ||
      IsWMFClearKeySystemAndSupported(aProxy->KeySystem())) {
    mEMEPDM = RemoteDecoderModule::Create(
        RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM);
    return;
  }
#endif
  auto m = MakeRefPtr<PDMFactory>();
  mEMEPDM = MakeRefPtr<EMEDecoderModule>(aProxy, m);
}

StaticMutex sSupportedMutex;

/* static */
media::MediaCodecsSupported PDMFactory::Supported(bool aForceRefresh) {
  StaticMutexAutoLock lock(sSupportedMutex);

  static auto calculate = []() {
    auto pdm = MakeRefPtr<PDMFactory>();
    MediaCodecsSupported supported;
    // H264 and AAC depends on external framework that must be dynamically
    // loaded.
    // We currently only ship a single PDM per platform able to decode AAC or
    // H264. As such we can assert that being able to create a H264 or AAC
    // decoder indicates that with WMF on Windows or FFmpeg on Unixes is
    // available.
    // This logic will have to be revisited if a PDM supporting either codec
    // will be added in addition to the WMF and FFmpeg PDM (such as OpenH264)
    for (const auto& cd : MCSInfo::GetAllCodecDefinitions()) {
      supported += MCSInfo::GetDecodeMediaCodecsSupported(
          cd.codec, pdm->SupportsMimeType(nsCString(cd.mimeTypeString)));
    }
#ifdef MOZ_WIDGET_ANDROID
    supported += AndroidDecoderModule::GetSupportedCodecs();
#endif
    return supported;
  };

  static MediaCodecsSupported supported = calculate();
  if (aForceRefresh) {
    supported = calculate();
  }

  return supported;
}

/* static */
DecodeSupportSet PDMFactory::SupportsMimeType(
    const nsACString& aMimeType, const MediaCodecsSupported& aSupported,
    RemoteDecodeIn aLocation) {
  const TrackSupportSet supports =
      RemoteDecoderManagerChild::GetTrackSupport(aLocation);

  if (supports.contains(TrackSupport::Video)) {
    if (MP4Decoder::IsH264(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::H264, aSupported);
    }
    if (VPXDecoder::IsVP9(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::VP9, aSupported);
    }
    if (VPXDecoder::IsVP8(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::VP8, aSupported);
    }
#ifdef MOZ_AV1
    if (AOMDecoder::IsAV1(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::AV1, aSupported);
    }
#endif
    if (TheoraDecoder::IsTheora(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::Theora, aSupported);
    }
    if (MP4Decoder::IsHEVC(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::HEVC, aSupported);
    }
  }

  if (supports.contains(TrackSupport::Audio)) {
    if (MP4Decoder::IsAAC(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::AAC, aSupported);
    }
    if (aMimeType.EqualsLiteral("audio/mpeg")) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::MP3, aSupported);
    }
    if (aMimeType.EqualsLiteral("audio/opus")) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::Opus, aSupported);
    }
    if (aMimeType.EqualsLiteral("audio/vorbis")) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::Vorbis, aSupported);
    }
    if (aMimeType.EqualsLiteral("audio/flac")) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::FLAC, aSupported);
    }
    if (IsWaveMimetype(aMimeType)) {
      return MCSInfo::GetDecodeSupportSet(MediaCodec::Wave, aSupported);
    }
  }
  return DecodeSupportSet{};
}

/* static */
bool PDMFactory::AllDecodersAreRemote() {
  return StaticPrefs::media_rdd_process_enabled() &&
         StaticPrefs::media_rdd_opus_enabled() &&
         StaticPrefs::media_rdd_theora_enabled() &&
         StaticPrefs::media_rdd_vorbis_enabled() &&
         StaticPrefs::media_rdd_vpx_enabled() &&
#if defined(MOZ_WMF)
         StaticPrefs::media_rdd_wmf_enabled() &&
#endif
         StaticPrefs::media_rdd_wav_enabled();
}

#undef PDM_INIT_LOG
}  // namespace mozilla