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-rw-r--r--dom/media/wave/WaveDecoder.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/dom/media/wave/WaveDecoder.cpp b/dom/media/wave/WaveDecoder.cpp
new file mode 100644
index 0000000000..2aea6b4178
--- /dev/null
+++ b/dom/media/wave/WaveDecoder.cpp
@@ -0,0 +1,56 @@
+/* -*- 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 "WaveDecoder.h"
+#include "MediaContainerType.h"
+#include "MediaDecoder.h"
+
+namespace mozilla {
+
+/* static */
+bool WaveDecoder::IsSupportedType(const MediaContainerType& aContainerType) {
+ if (!MediaDecoder::IsWaveEnabled()) {
+ return false;
+ }
+ if (aContainerType.Type() == MEDIAMIMETYPE("audio/wave") ||
+ aContainerType.Type() == MEDIAMIMETYPE("audio/x-wav") ||
+ aContainerType.Type() == MEDIAMIMETYPE("audio/wav") ||
+ aContainerType.Type() == MEDIAMIMETYPE("audio/x-pn-wav")) {
+ return (aContainerType.ExtendedType().Codecs().IsEmpty() ||
+ aContainerType.ExtendedType().Codecs() == "1" ||
+ aContainerType.ExtendedType().Codecs() == "3" ||
+ aContainerType.ExtendedType().Codecs() == "6" ||
+ aContainerType.ExtendedType().Codecs() == "7");
+ }
+
+ return false;
+}
+
+/* static */
+nsTArray<UniquePtr<TrackInfo>> WaveDecoder::GetTracksInfo(
+ const MediaContainerType& aType) {
+ nsTArray<UniquePtr<TrackInfo>> tracks;
+ if (!IsSupportedType(aType)) {
+ return tracks;
+ }
+
+ const MediaCodecs& codecs = aType.ExtendedType().Codecs();
+ if (codecs.IsEmpty()) {
+ tracks.AppendElement(
+ CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
+ "audio/x-wav"_ns, aType));
+ return tracks;
+ }
+
+ for (const auto& codec : codecs.Range()) {
+ tracks.AppendElement(
+ CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
+ "audio/wave; codecs="_ns + NS_ConvertUTF16toUTF8(codec), aType));
+ }
+ return tracks;
+}
+
+} // namespace mozilla