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d839ef58db
This also removes the following prefs, because they're unused: - media.autoplay.allow-muted pref - media.autoplay.blackList-override-default Differential Revision: https://phabricator.services.mozilla.com/D36396 --HG-- extra : rebase_source : 0570540496302b3efedadf4d5115ee5422d5c279
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "OggDecoder.h"
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#include "MediaContainerType.h"
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#include "MediaDecoder.h"
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#include "mozilla/StaticPrefs.h"
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#include "nsMimeTypes.h"
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namespace mozilla {
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/* static */
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bool OggDecoder::IsSupportedType(const MediaContainerType& aContainerType) {
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if (!StaticPrefs::media_ogg_enabled()) {
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return false;
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}
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if (aContainerType.Type() != MEDIAMIMETYPE(AUDIO_OGG) &&
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aContainerType.Type() != MEDIAMIMETYPE(VIDEO_OGG) &&
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aContainerType.Type() != MEDIAMIMETYPE("application/ogg")) {
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return false;
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}
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const bool isOggVideo = (aContainerType.Type() != MEDIAMIMETYPE(AUDIO_OGG));
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const MediaCodecs& codecs = aContainerType.ExtendedType().Codecs();
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if (codecs.IsEmpty()) {
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// Ogg guarantees that the only codecs it contained are supported.
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return true;
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}
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// Verify that all the codecs specified are ones that we expect that
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// we can play.
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for (const auto& codec : codecs.Range()) {
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if ((MediaDecoder::IsOpusEnabled() && codec.EqualsLiteral("opus")) ||
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codec.EqualsLiteral("vorbis") || codec.EqualsLiteral("flac")) {
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continue;
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}
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// Note: Only accept Theora in a video container type, not in an audio
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// container type.
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if (isOggVideo && codec.EqualsLiteral("theora")) {
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continue;
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}
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// Some unsupported codec.
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return false;
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}
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return true;
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}
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/* static */
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nsTArray<UniquePtr<TrackInfo>> OggDecoder::GetTracksInfo(
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const MediaContainerType& aType) {
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nsTArray<UniquePtr<TrackInfo>> tracks;
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if (!IsSupportedType(aType)) {
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return tracks;
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}
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const MediaCodecs& codecs = aType.ExtendedType().Codecs();
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if (codecs.IsEmpty()) {
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// Codecs must be specified for ogg as it can't be implied.
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return tracks;
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}
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for (const auto& codec : codecs.Range()) {
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if (codec.EqualsLiteral("opus") || codec.EqualsLiteral("vorbis") ||
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codec.EqualsLiteral("flac")) {
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tracks.AppendElement(
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CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
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NS_LITERAL_CSTRING("audio/") + NS_ConvertUTF16toUTF8(codec),
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aType));
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} else {
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MOZ_ASSERT(codec.EqualsLiteral("theora"));
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tracks.AppendElement(
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CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
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NS_LITERAL_CSTRING("video/") + NS_ConvertUTF16toUTF8(codec),
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aType));
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}
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}
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return tracks;
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}
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} // namespace mozilla
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