зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.8 KiB
C++
58 строки
1.8 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 "WaveDecoder.h"
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#include "MediaContainerType.h"
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#include "MediaDecoder.h"
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namespace mozilla {
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/* static */
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bool WaveDecoder::IsSupportedType(const MediaContainerType& aContainerType) {
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if (!MediaDecoder::IsWaveEnabled()) {
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return false;
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}
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if (aContainerType.Type() == MEDIAMIMETYPE("audio/wave") ||
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aContainerType.Type() == MEDIAMIMETYPE("audio/x-wav") ||
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aContainerType.Type() == MEDIAMIMETYPE("audio/wav") ||
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aContainerType.Type() == MEDIAMIMETYPE("audio/x-pn-wav")) {
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return (aContainerType.ExtendedType().Codecs().IsEmpty() ||
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aContainerType.ExtendedType().Codecs() == "1" ||
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aContainerType.ExtendedType().Codecs() == "6" ||
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aContainerType.ExtendedType().Codecs() == "7");
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}
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return false;
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}
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/* static */
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nsTArray<UniquePtr<TrackInfo>> WaveDecoder::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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tracks.AppendElement(
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CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
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NS_LITERAL_CSTRING("audio/x-wav"), aType));
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return tracks;
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}
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for (const auto& codec : codecs.Range()) {
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tracks.AppendElement(
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CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
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NS_LITERAL_CSTRING("audio/wave; codecs=") +
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NS_ConvertUTF16toUTF8(codec),
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aType));
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}
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return tracks;
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}
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} // namespace mozilla
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