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# Use MP3Demuxer/MediaFormatReader by default when available
diff --git a/dom/media/DecoderTraits.cpp b/dom/media/DecoderTraits.cpp
--- mozilla/dom/media/DecoderTraits.cpp
+++ mozilla/dom/media/DecoderTraits.cpp
@@ -200,10 +200,10 @@ DecoderTraits::IsWebMTypeAndEnabled(cons
static bool
IsGStreamerSupportedType(const nsACString& aMimeType)
{
- if (!MediaDecoder::IsGStreamerEnabled())
+ if (DecoderTraits::IsWebMTypeAndEnabled(aMimeType))
return false;
- if (DecoderTraits::IsWebMTypeAndEnabled(aMimeType) && !Preferences::GetBool("media.prefer-gstreamer", false))
+ if (!MediaDecoder::IsGStreamerEnabled())
return false;
if (IsOggType(aMimeType) && !Preferences::GetBool("media.prefer-gstreamer", false))
@@ -366,7 +366,7 @@ static bool
IsMP3SupportedType(const nsACString& aType,
const nsAString& aCodecs = EmptyString())
{
- return aType.EqualsASCII("audio/mpeg") && MP3Decoder::IsEnabled();
+ return MP3Decoder::CanHandleMediaType(aType, aCodecs);
}
#ifdef MOZ_APPLEMEDIA
diff --git a/dom/media/MP3Decoder.cpp b/dom/media/MP3Decoder.cpp
--- mozilla/dom/media/MP3Decoder.cpp
+++ mozilla/dom/media/MP3Decoder.cpp
@@ -10,10 +10,7 @@
#include "MediaFormatReader.h"
#include "MP3Demuxer.h"
#include "mozilla/Preferences.h"
-
-#ifdef MOZ_WIDGET_ANDROID
-#include "AndroidBridge.h"
-#endif
+#include "PlatformDecoderModule.h"
namespace mozilla {
@@ -32,14 +29,61 @@ MP3Decoder::CreateStateMachine() {
return new MediaDecoderStateMachine(this, reader);
}
+static already_AddRefed<MediaDataDecoder>
+CreateTestMP3Decoder(AudioInfo& aConfig)
+{
+ PlatformDecoderModule::Init();
+
+ nsRefPtr<PlatformDecoderModule> platform = PlatformDecoderModule::Create();
+ if (!platform || !platform->SupportsMimeType(aConfig.mMimeType)) {
+ return nullptr;
+ }
+
+ nsRefPtr<MediaDataDecoder> decoder(
+ platform->CreateDecoder(aConfig, nullptr, nullptr));
+ if (!decoder) {
+ return nullptr;
+ }
+
+ return decoder.forget();
+}
+
+static bool
+CanCreateMP3Decoder()
+{
+ static bool haveCachedResult = false;
+ static bool result = false;
+ if (haveCachedResult) {
+ return result;
+ }
+ AudioInfo config;
+ config.mMimeType = "audio/mpeg";
+ config.mRate = 48000;
+ config.mChannels = 2;
+ config.mBitDepth = 16;
+ nsRefPtr<MediaDataDecoder> decoder(CreateTestMP3Decoder(config));
+ if (decoder) {
+ result = true;
+ }
+ haveCachedResult = true;
+ return result;
+}
+
+/* static */
bool
MP3Decoder::IsEnabled() {
-#ifdef MOZ_WIDGET_ANDROID
- // We need android.media.MediaCodec which exists in API level 16 and higher.
- return AndroidBridge::Bridge()->GetAPIVersion() >= 16;
-#else
- return Preferences::GetBool("media.mp3.enabled");
-#endif
+ return CanCreateMP3Decoder();
+}
+
+/* static */
+bool MP3Decoder::CanHandleMediaType(const nsACString& aType,
+ const nsAString& aCodecs)
+{
+ if (aType.EqualsASCII("audio/mp3") || aType.EqualsASCII("audio/mpeg")) {
+ return CanCreateMP3Decoder() &&
+ (aCodecs.IsEmpty() || aCodecs.EqualsASCII("mp3"));
+ }
+ return false;
}
} // namespace mozilla
diff --git a/dom/media/MP3Decoder.h b/dom/media/MP3Decoder.h
--- mozilla/dom/media/MP3Decoder.h
+++ mozilla/dom/media/MP3Decoder.h
@@ -19,6 +19,8 @@ public:
// Returns true if the MP3 backend is preffed on, and we're running on a
// platform that is likely to have decoders for the format.
static bool IsEnabled();
+ static bool CanHandleMediaType(const nsACString& aType,
+ const nsAString& aCodecs);
};
} // namespace mozilla
diff --git a/dom/media/test/manifest.js b/dom/media/test/manifest.js
--- mozilla/dom/media/test/manifest.js
+++ mozilla/dom/media/test/manifest.js
@@ -76,7 +76,7 @@ var gPlayedTests = [
{ name:"seek.ogv", type:"video/ogg", duration:3.966 },
{ name:"seek.webm", type:"video/webm", duration:3.966 },
{ name:"gizmo.mp4", type:"video/mp4", duration:5.56 },
- { name:"owl.mp3", type:"audio/mpeg", duration:3.29 },
+ { name:"owl.mp3", type:"audio/mpeg", duration:3.343 },
// Disable vbr.mp3 to see if it reduces the error of AUDCLNT_E_CPUUSAGE_EXCEEDED.
// See bug 1110922 comment 26.
//{ name:"vbr.mp3", type:"audio/mpeg", duration:10.0 },
@@ -237,13 +237,13 @@ var gPlayTests = [
{ name:"small-shot.m4a", type:"audio/mp4", duration:0.29 },
{ name:"small-shot.mp3", type:"audio/mpeg", duration:0.27 },
- { name:"owl.mp3", type:"audio/mpeg", duration:3.29 },
+ { name:"owl.mp3", type:"audio/mpeg", duration:3.343 },
// owl.mp3 as above, but with something funny going on in the ID3v2 tag
// that causes DirectShow to fail.
- { name:"owl-funny-id3.mp3", type:"audio/mpeg", duration:3.29 },
+ { name:"owl-funny-id3.mp3", type:"audio/mpeg", duration:3.343 },
// owl.mp3 as above, but with something even funnier going on in the ID3v2 tag
// that causes DirectShow to fail.
- { name:"owl-funnier-id3.mp3", type:"audio/mpeg", duration:3.29 },
+ { name:"owl-funnier-id3.mp3", type:"audio/mpeg", duration:3.343 },
// One second of silence with ~140KB of ID3 tags. Usually when the first MP3
// frame is at such a high offset into the file, MP3FrameParser will give up
// and report that the stream is not MP3. However, it does not count ID3 tags
@@ -469,7 +469,7 @@ var gSeekTests = [
{ name:"split.webm", type:"video/webm", duration:1.967 },
{ name:"detodos.opus", type:"audio/ogg; codecs=opus", duration:2.9135 },
{ name:"gizmo.mp4", type:"video/mp4", duration:5.56 },
- { name:"owl.mp3", type:"audio/mpeg", duration:3.29 },
+ { name:"owl.mp3", type:"audio/mpeg", duration:3.343 },
{ name:"bogus.duh", type:"bogus/duh", duration:123 }
];
@@ -523,7 +523,7 @@ if (getAndroidVersion() >= 18) {
var gAudioTests = [
{ name:"r11025_s16_c1.wav", type:"audio/x-wav", duration:1.0 },
{ name:"sound.ogg", type:"audio/ogg" },
- { name:"owl.mp3", type:"audio/mpeg", duration:3.29 },
+ { name:"owl.mp3", type:"audio/mpeg", duration:3.343 },
{ name:"small-shot.m4a", type:"audio/mp4", duration:0.29 },
{ name:"bogus.duh", type:"bogus/duh", duration:123 }
];
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