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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/media/directshow/DirectShowDecoder.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/directshow/DirectShowDecoder.cpp')
-rw-r--r--dom/media/directshow/DirectShowDecoder.cpp65
1 files changed, 65 insertions, 0 deletions
diff --git a/dom/media/directshow/DirectShowDecoder.cpp b/dom/media/directshow/DirectShowDecoder.cpp
new file mode 100644
index 000000000..da68b4daa
--- /dev/null
+++ b/dom/media/directshow/DirectShowDecoder.cpp
@@ -0,0 +1,65 @@
+/* -*- 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 "DirectShowDecoder.h"
+#include "DirectShowReader.h"
+#include "DirectShowUtils.h"
+#include "MediaDecoderStateMachine.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/WindowsVersion.h"
+
+namespace mozilla {
+
+MediaDecoderStateMachine* DirectShowDecoder::CreateStateMachine()
+{
+ return new MediaDecoderStateMachine(this, new DirectShowReader(this));
+}
+
+/* static */
+bool
+DirectShowDecoder::GetSupportedCodecs(const nsACString& aType,
+ char const *const ** aCodecList)
+{
+ if (!IsEnabled()) {
+ return false;
+ }
+
+ static char const *const mp3AudioCodecs[] = {
+ "mp3",
+ nullptr
+ };
+ if (aType.EqualsASCII("audio/mpeg") ||
+ aType.EqualsASCII("audio/mp3")) {
+ if (aCodecList) {
+ *aCodecList = mp3AudioCodecs;
+ }
+ return true;
+ }
+
+ return false;
+}
+
+/* static */
+bool
+DirectShowDecoder::IsEnabled()
+{
+ return CanDecodeMP3UsingDirectShow() &&
+ Preferences::GetBool("media.directshow.enabled");
+}
+
+DirectShowDecoder::DirectShowDecoder(MediaDecoderOwner* aOwner)
+ : MediaDecoder(aOwner)
+{
+ MOZ_COUNT_CTOR(DirectShowDecoder);
+}
+
+DirectShowDecoder::~DirectShowDecoder()
+{
+ MOZ_COUNT_DTOR(DirectShowDecoder);
+}
+
+} // namespace mozilla
+