gecko-dev/dom/media/platforms/agnostic/AgnosticDecoderModule.cpp

91 строка
2.9 KiB
C++

/* -*- 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.h"
#ifdef MOZ_AV1
# include "AOMDecoder.h"
# include "DAV1DDecoder.h"
#endif
namespace mozilla {
bool AgnosticDecoderModule::SupportsMimeType(
const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
bool supports =
VPXDecoder::IsVPX(aMimeType) || OpusDataDecoder::IsOpus(aMimeType) ||
WaveDataDecoder::IsWave(aMimeType) || TheoraDecoder::IsTheora(aMimeType);
if (!StaticPrefs::MediaRddVorbisEnabled() ||
!StaticPrefs::MediaRddProcessEnabled() ||
!BrowserTabsRemoteAutostart()) {
supports |= VorbisDataDecoder::IsVorbis(aMimeType);
}
#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::MediaAv1Enabled() &&
!StaticPrefs::MediaRddProcessEnabled()) {
supports |= AOMDecoder::IsAV1(aMimeType);
}
#endif
MOZ_LOG(sPDMLog, LogLevel::Debug,
("Agnostic decoder %s requested type",
supports ? "supports" : "rejects"));
return supports;
}
already_AddRefed<MediaDataDecoder> AgnosticDecoderModule::CreateVideoDecoder(
const CreateDecoderParams& aParams) {
RefPtr<MediaDataDecoder> m;
if (VPXDecoder::IsVPX(aParams.mConfig.mMimeType)) {
m = new VPXDecoder(aParams);
}
#ifdef MOZ_AV1
// see comment above about AV1 and the RDD process
else if (AOMDecoder::IsAV1(aParams.mConfig.mMimeType) &&
!StaticPrefs::MediaRddProcessEnabled() &&
StaticPrefs::MediaAv1Enabled()) {
if (StaticPrefs::MediaAv1UseDav1d()) {
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) {
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();
}
} // namespace mozilla