Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/dom/media/platforms/agnostic/AgnosticDecoderModule.cpp b/dom/media/platforms/agnostic/AgnosticDecoderModule.cpp
new file mode 100644
index 0000000000..4c45b30a14
--- /dev/null
+++ b/dom/media/platforms/agnostic/AgnosticDecoderModule.cpp
@@ -0,0 +1,181 @@
+/* -*- 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 "AgnosticDecoderModule.h"
+
+#include "OpusDecoder.h"
+#include "TheoraDecoder.h"
+#include "VPXDecoder.h"
+#include "VorbisDecoder.h"
+#include "WAVDecoder.h"
+#include "mozilla/Logging.h"
+#include "mozilla/StaticPrefs_media.h"
+#include "VideoUtils.h"
+
+#ifdef MOZ_AV1
+#  include "AOMDecoder.h"
+#  include "DAV1DDecoder.h"
+#endif
+
+namespace mozilla {
+
+enum class DecoderType {
+#ifdef MOZ_AV1
+  AV1,
+#endif
+  Opus,
+  Theora,
+  Vorbis,
+  VPX,
+  Wave,
+};
+
+static bool IsAvailableInDefault(DecoderType type) {
+  switch (type) {
+#ifdef MOZ_AV1
+    case DecoderType::AV1:
+      return StaticPrefs::media_av1_enabled();
+#endif
+    case DecoderType::Opus:
+    case DecoderType::Theora:
+    case DecoderType::Vorbis:
+    case DecoderType::VPX:
+    case DecoderType::Wave:
+      return true;
+    default:
+      return false;
+  }
+}
+
+static bool IsAvailableInRdd(DecoderType type) {
+  switch (type) {
+#ifdef MOZ_AV1
+    case DecoderType::AV1:
+      return StaticPrefs::media_av1_enabled();
+#endif
+    case DecoderType::Opus:
+      return StaticPrefs::media_rdd_opus_enabled();
+    case DecoderType::Theora:
+      return StaticPrefs::media_rdd_theora_enabled();
+    case DecoderType::Vorbis:
+#if defined(__MINGW32__)
+      // If this is a MinGW build we need to force AgnosticDecoderModule to
+      // handle the decision to support Vorbis decoding (instead of
+      // RDD/RemoteDecoderModule) because of Bug 1597408 (Vorbis decoding on
+      // RDD causing sandboxing failure on MinGW-clang).  Typically this
+      // would be dealt with using defines in StaticPrefList.yaml, but we
+      // must handle it here because of Bug 1598426 (the __MINGW32__ define
+      // isn't supported in StaticPrefList.yaml).
+      return false;
+#else
+      return StaticPrefs::media_rdd_vorbis_enabled();
+#endif
+    case DecoderType::VPX:
+      return StaticPrefs::media_rdd_vpx_enabled();
+    case DecoderType::Wave:
+      return StaticPrefs::media_rdd_wav_enabled();
+    default:
+      return false;
+  }
+}
+
+// Checks if decoder is available in the current process
+static bool IsAvailable(DecoderType type) {
+  return XRE_IsRDDProcess() ? IsAvailableInRdd(type)
+                            : IsAvailableInDefault(type);
+}
+
+bool AgnosticDecoderModule::SupportsMimeType(
+    const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
+  UniquePtr<TrackInfo> trackInfo = CreateTrackInfoWithMIMEType(aMimeType);
+  if (!trackInfo) {
+    return false;
+  }
+  return Supports(SupportDecoderParams(*trackInfo), aDiagnostics);
+}
+
+bool AgnosticDecoderModule::Supports(
+    const SupportDecoderParams& aParams,
+    DecoderDoctorDiagnostics* aDiagnostics) const {
+  const auto& trackInfo = aParams.mConfig;
+  const nsACString& mimeType = trackInfo.mMimeType;
+
+  bool supports =
+#ifdef MOZ_AV1
+      // We remove support for decoding AV1 here if RDD is enabled so that
+      // decoding on the content process doesn't accidentally happen in case
+      // something goes wrong with launching the RDD process.
+      (AOMDecoder::IsAV1(mimeType) && IsAvailable(DecoderType::AV1)) ||
+#endif
+      (VPXDecoder::IsVPX(mimeType) && IsAvailable(DecoderType::VPX)) ||
+      (TheoraDecoder::IsTheora(mimeType) && IsAvailable(DecoderType::Theora)) ||
+      (VorbisDataDecoder::IsVorbis(mimeType) &&
+       IsAvailable(DecoderType::Vorbis)) ||
+      (WaveDataDecoder::IsWave(mimeType) && IsAvailable(DecoderType::Wave)) ||
+      (OpusDataDecoder::IsOpus(mimeType) && IsAvailable(DecoderType::Opus));
+  MOZ_LOG(sPDMLog, LogLevel::Debug,
+          ("Agnostic decoder %s requested type",
+           supports ? "supports" : "rejects"));
+  return supports;
+}
+
+already_AddRefed<MediaDataDecoder> AgnosticDecoderModule::CreateVideoDecoder(
+    const CreateDecoderParams& aParams) {
+  if (!Supports(SupportDecoderParams(aParams), nullptr /* diagnostic */)) {
+    return nullptr;
+  }
+  RefPtr<MediaDataDecoder> m;
+
+  if (VPXDecoder::IsVPX(aParams.mConfig.mMimeType)) {
+    m = new VPXDecoder(aParams);
+  }
+#ifdef MOZ_AV1
+  // We remove support for decoding AV1 here if RDD is enabled so that
+  // decoding on the content process doesn't accidentally happen in case
+  // something goes wrong with launching the RDD process.
+  if (StaticPrefs::media_av1_enabled() &&
+      (!StaticPrefs::media_rdd_process_enabled() || XRE_IsRDDProcess()) &&
+      AOMDecoder::IsAV1(aParams.mConfig.mMimeType)) {
+    if (StaticPrefs::media_av1_use_dav1d()) {
+      m = new DAV1DDecoder(aParams);
+    } else {
+      m = new AOMDecoder(aParams);
+    }
+  }
+#endif
+  else if (TheoraDecoder::IsTheora(aParams.mConfig.mMimeType)) {
+    m = new TheoraDecoder(aParams);
+  }
+
+  return m.forget();
+}
+
+already_AddRefed<MediaDataDecoder> AgnosticDecoderModule::CreateAudioDecoder(
+    const CreateDecoderParams& aParams) {
+  if (!Supports(SupportDecoderParams(aParams), nullptr /* diagnostic */)) {
+    return nullptr;
+  }
+  RefPtr<MediaDataDecoder> m;
+
+  const TrackInfo& config = aParams.mConfig;
+  if (VorbisDataDecoder::IsVorbis(config.mMimeType)) {
+    m = new VorbisDataDecoder(aParams);
+  } else if (OpusDataDecoder::IsOpus(config.mMimeType)) {
+    m = new OpusDataDecoder(aParams);
+  } else if (WaveDataDecoder::IsWave(config.mMimeType)) {
+    m = new WaveDataDecoder(aParams);
+  }
+
+  return m.forget();
+}
+
+/* static */
+already_AddRefed<PlatformDecoderModule> AgnosticDecoderModule::Create() {
+  RefPtr<PlatformDecoderModule> pdm = new AgnosticDecoderModule();
+  return pdm.forget();
+}
+
+}  // namespace mozilla