/* static */
bool MP3Decoder::CanHandleMediaType(const nsACString& aType,
const nsAString& aCodecs)
{
if (aType.EqualsASCII("audio/mp3") || aType.EqualsASCII("audio/mpeg")) {
return IsEnabled() &&
(aCodecs.IsEmpty() || aCodecs.EqualsASCII("mp3"));
}
return false;
}
bool
WMFDecoder::GetSupportedCodecs(const nsACString& aType,
char const *const ** aCodecList)
{
if (!MediaDecoder::IsWMFEnabled() ||
NS_FAILED(LoadDLLs()))
return false;
// MP3 is specified to have no codecs in its "type" param:
// http://wiki.whatwg.org/wiki/Video_type_parameters#MPEG
// So specify an empty codecs list, so that if script specifies
// a "type" param with codecs, it will be reported as not supported
// as per the spec.
static char const *const mp3AudioCodecs[] = {
nullptr
};
if (aType.EqualsASCII("audio/mpeg")) {
if (aCodecList) {
*aCodecList = mp3AudioCodecs;
}
// Assume that if LoadDLLs() didn't fail, we can decode MP3.
return true;
}
// AAC in M4A.
static char const *const aacAudioCodecs[] = {
"mp4a.40.2", // AAC-LC
nullptr
};
if (aType.EqualsASCII("audio/mp4")) {
if (aCodecList) {
*aCodecList = aacAudioCodecs;
}
return true;
}
// H.264 + AAC in MP4.
static char const *const H264Codecs[] = {
"avc1.42E01E", // H.264 Constrained Baseline Profile Level 3.0
"avc1.42001E", // H.264 Baseline Profile Level 3.0
"avc1.58A01E", // H.264 Extended Profile Level 3.0
"avc1.4D401E", // H.264 Main Profile Level 3.0
"avc1.64001E", // H.264 High Profile Level 3.0
"avc1.64001F", // H.264 High Profile Level 3.1
"mp4a.40.2", // AAC-LC
nullptr
};
if (aType.EqualsASCII("video/mp4")) {
if (aCodecList) {
*aCodecList = H264Codecs;
}
return true;
}
return false;
}
/* static */ bool
ADTSDecoder::CanHandleMediaType(const nsACString& aType,
const nsAString& aCodecs)
{
if (aType.EqualsASCII("audio/aac") || aType.EqualsASCII("audio/aacp")) {
return IsEnabled() && (aCodecs.IsEmpty() || aCodecs.EqualsASCII("aac"));
}
return false;
}
bool
WMFDecoder::GetSupportedCodecs(const nsACString& aType,
char const *const ** aCodecList)
{
if (!MediaDecoder::IsWMFEnabled() ||
NS_FAILED(LoadDLLs()))
return false;
// Assume that if LoadDLLs() didn't fail, we can playback the types that
// we know should be supported on Windows 7+ using WMF.
static char const *const mp3AudioCodecs[] = {
"mp3",
nullptr
};
if (aType.EqualsASCII("audio/mpeg") ||
aType.EqualsASCII("audio/mp3")) {
if (aCodecList) {
*aCodecList = mp3AudioCodecs;
}
return true;
}
// AAC in M4A.
static char const *const aacAudioCodecs[] = {
"mp4a.40.2", // AAC-LC
nullptr
};
if (aType.EqualsASCII("audio/mp4") ||
aType.EqualsASCII("audio/x-m4a")) {
if (aCodecList) {
*aCodecList = aacAudioCodecs;
}
return true;
}
// H.264 + AAC in MP4.
static char const *const H264Codecs[] = {
"avc1.42E01E", // H.264 Constrained Baseline Profile Level 3.0
"avc1.42001E", // H.264 Baseline Profile Level 3.0
"avc1.58A01E", // H.264 Extended Profile Level 3.0
"avc1.4D401E", // H.264 Main Profile Level 3.0
"avc1.64001E", // H.264 High Profile Level 3.0
"avc1.64001F", // H.264 High Profile Level 3.1
"mp4a.40.2", // AAC-LC
nullptr
};
if (aType.EqualsASCII("video/mp4")) {
if (aCodecList) {
*aCodecList = H264Codecs;
}
return true;
}
return false;
}
/* static */
bool
WaveDecoder::CanHandleMediaType(const nsACString& aType,
const nsAString& aCodecs)
{
if (aType.EqualsASCII("audio/wave") || aType.EqualsASCII("audio/x-wav") ||
aType.EqualsASCII("audio/wav") || aType.EqualsASCII("audio/x-pn-wav")) {
return IsEnabled() && (aCodecs.IsEmpty() || aCodecs.EqualsASCII("1"));
}
return false;
}
/* static */
bool
MP4Decoder::CanHandleMediaType(const nsACString& aType,
const nsAString& aCodecs,
bool& aOutContainsAAC,
bool& aOutContainsH264,
bool& aOutContainsMP3)
{
if (!IsEnabled()) {
return false;
}
if (aType.EqualsASCII("audio/mp4") || aType.EqualsASCII("audio/x-m4a")) {
return MP4Decoder::CanCreateAACDecoder() &&
(aCodecs.IsEmpty() ||
IsSupportedAudioCodec(aCodecs,
aOutContainsAAC,
aOutContainsMP3));
}
#ifdef MOZ_GONK_MEDIACODEC
if (aType.EqualsASCII(VIDEO_3GPP)) {
return Preferences::GetBool("media.fragmented-mp4.gonk.enabled", false);
}
#endif
if ((!aType.EqualsASCII("video/mp4") && !aType.EqualsASCII("video/x-m4v")) ||
!MP4Decoder::CanCreateH264Decoder()) {
return false;
}
// Verify that all the codecs specifed are ones that we expect that
// we can play.
nsCharSeparatedTokenizer tokenizer(aCodecs, ',');
bool expectMoreTokens = false;
while (tokenizer.hasMoreTokens()) {
const nsSubstring& token = tokenizer.nextToken();
expectMoreTokens = tokenizer.separatorAfterCurrentToken();
if (IsSupportedAudioCodec(token,
aOutContainsAAC,
aOutContainsMP3)) {
continue;
}
if (IsSupportedH264Codec(token)) {
aOutContainsH264 = true;
continue;
}
return false;
}
if (expectMoreTokens) {
// Last codec name was empty
return false;
}
return true;
}
bool
WMFDecoder::CanPlayType(const nsACString& aType,
const nsAString& aCodecs)
{
if (!MediaDecoder::IsWMFEnabled() ||
NS_FAILED(LoadDLLs())) {
return false;
}
// Assume that if LoadDLLs() didn't fail, we can playback the types that
// we know should be supported by Windows Media Foundation.
if ((aType.EqualsASCII("audio/mpeg") || aType.EqualsASCII("audio/mp3")) &&
IsMP3Supported()) {
// Note: We block MP3 playback on Window 7 SP0 since it seems to crash
// in some circumstances.
return !aCodecs.Length() || aCodecs.EqualsASCII("mp3");
}
// AAC-LC or MP3 in M4A.
if (aType.EqualsASCII("audio/mp4") || aType.EqualsASCII("audio/x-m4a")) {
return !aCodecs.Length() ||
aCodecs.EqualsASCII("mp4a.40.2") ||
aCodecs.EqualsASCII("mp3");
}
if (!aType.EqualsASCII("video/mp4")) {
return false;
}
// H.264 + AAC in MP4. Verify that all the codecs specifed are ones that
// we expect that we can play.
nsCharSeparatedTokenizer tokenizer(aCodecs, ',');
bool expectMoreTokens = false;
while (tokenizer.hasMoreTokens()) {
const nsSubstring& token = tokenizer.nextToken();
expectMoreTokens = tokenizer.separatorAfterCurrentToken();
if (token.EqualsASCII("mp4a.40.2") || // AAC-LC
token.EqualsASCII("mp3") ||
IsSupportedH264Codec(token)) {
continue;
}
return false;
}
if (expectMoreTokens) {
// Last codec name was empty
return false;
}
return true;
}
/* static */
bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
{
return
#ifdef MOZ_OGG
IsOggType(aType) ||
#endif
#ifdef MOZ_OMX_DECODER
// We support amr inside WebApps on firefoxOS but not in general web content.
// Ensure we dont create a VideoDocument when accessing amr URLs directly.
(IsOmxSupportedType(aType) && !aType.EqualsASCII("audio/amr")) ||
#endif
#ifdef MOZ_WEBM
IsWebMType(aType) ||
#endif
#ifdef MOZ_DASH
IsDASHMPDType(aType) ||
#endif
#ifdef MOZ_GSTREAMER
IsGStreamerSupportedType(aType) ||
#endif
#ifdef MOZ_MEDIA_PLUGINS
(MediaDecoder::IsMediaPluginsEnabled() && IsMediaPluginsType(aType)) ||
#endif
#ifdef MOZ_WMF
(IsWMFSupportedType(aType) &&
Preferences::GetBool("media.windows-media-foundation.play-stand-alone", true)) ||
#endif
#ifdef MOZ_DIRECTSHOW
IsDirectShowSupportedType(aType) ||
#endif
#ifdef MOZ_APPLEMEDIA
IsAppleMediaSupportedType(aType) ||
#endif
false;
}
/* static */
bool
MP4Decoder::CanHandleMediaType(const nsACString& aType,
const nsAString& aCodecs,
bool& aOutContainsAAC,
bool& aOutContainsH264,
bool& aOutContainsMP3)
{
if (!IsEnabled()) {
return false;
}
if (aType.EqualsASCII("audio/mp4") || aType.EqualsASCII("audio/x-m4a")) {
return aCodecs.IsEmpty() ||
IsSupportedAudioCodec(aCodecs,
aOutContainsAAC,
aOutContainsMP3);
}
if (!aType.EqualsASCII("video/mp4")) {
return false;
}
// Verify that all the codecs specifed are ones that we expect that
// we can play.
nsCharSeparatedTokenizer tokenizer(aCodecs, ',');
bool expectMoreTokens = false;
while (tokenizer.hasMoreTokens()) {
const nsSubstring& token = tokenizer.nextToken();
expectMoreTokens = tokenizer.separatorAfterCurrentToken();
if (IsSupportedAudioCodec(token,
aOutContainsAAC,
aOutContainsMP3)) {
continue;
}
if (IsSupportedH264Codec(token)) {
aOutContainsH264 = true;
continue;
}
return false;
}
if (expectMoreTokens) {
// Last codec name was empty
return false;
}
return true;
}
/* static */
bool
OggDecoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
const nsAString& aCodecs)
{
if (!IsEnabled()) {
return false;
}
const bool isOggAudio = aMIMETypeExcludingCodecs.EqualsASCII("audio/ogg");
const bool isOggVideo =
aMIMETypeExcludingCodecs.EqualsASCII("video/ogg") ||
aMIMETypeExcludingCodecs.EqualsASCII("application/ogg");
if (!isOggAudio && !isOggVideo) {
return false;
}
nsTArray<nsCString> codecMimes;
if (aCodecs.IsEmpty()) {
// WebM guarantees that the only codecs it contained are vp8, vp9, opus or vorbis.
return true;
}
// Verify that all the codecs specified are ones that we expect that
// we can play.
nsTArray<nsString> codecs;
if (!ParseCodecsString(aCodecs, codecs)) {
return false;
}
for (const nsString& codec : codecs) {
if ((IsOpusEnabled() && codec.EqualsLiteral("opus")) ||
codec.EqualsLiteral("vorbis") ||
(MediaPrefs::FlacInOgg() && codec.EqualsLiteral("flac"))) {
continue;
}
// Note: Only accept Theora in a video content type, not in an audio
// content type.
if (isOggVideo && codec.EqualsLiteral("theora")) {
continue;
}
// Some unsupported codec.
return false;
}
return true;
}
bool
ServiceWorkerRegistrar::IsSupportedVersion(const nsACString& aVersion) const
{
uint32_t numVersions = ArrayLength(gSupportedRegistrarVersions);
for (uint32_t i = 0; i < numVersions; i++) {
if (aVersion.EqualsASCII(gSupportedRegistrarVersions[i])) {
return true;
}
}
return false;
}
/* static */
bool
WebMDecoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
const nsAString& aCodecs)
{
if (!IsEnabled()) {
return false;
}
const bool isWebMAudio = aMIMETypeExcludingCodecs.EqualsASCII("audio/webm");
const bool isWebMVideo = aMIMETypeExcludingCodecs.EqualsASCII("video/webm");
if (!isWebMAudio && !isWebMVideo) {
return false;
}
nsTArray<nsCString> codecMimes;
if (aCodecs.IsEmpty()) {
// WebM guarantees that the only codecs it contained are vp8, vp9, opus or vorbis.
return true;
}
// Verify that all the codecs specified are ones that we expect that
// we can play.
nsTArray<nsString> codecs;
if (!ParseCodecsString(aCodecs, codecs)) {
return false;
}
for (const nsString& codec : codecs) {
if (codec.EqualsLiteral("opus") || codec.EqualsLiteral("vorbis")) {
continue;
}
// Note: Only accept VP8/VP9 in a video content type, not in an audio
// content type.
if (isWebMVideo &&
(codec.EqualsLiteral("vp8") || codec.EqualsLiteral("vp8.0") ||
codec.EqualsLiteral("vp9") || codec.EqualsLiteral("vp9.0"))) {
continue;
}
// Some unsupported codec.
return false;
}
return true;
}
/* static */ bool
DecoderTraits::IsWebMAudioType(const nsACString& aType)
{
return aType.EqualsASCII("audio/webm");
}
/* static */
bool
MP4Decoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
const nsAString& aCodecs,
DecoderDoctorDiagnostics* aDiagnostics)
{
if (!IsEnabled()) {
return false;
}
// Whitelist MP4 types, so they explicitly match what we encounter on
// the web, as opposed to what we use internally (i.e. what our demuxers
// etc output).
const bool isMP4Audio = aMIMETypeExcludingCodecs.EqualsASCII("audio/mp4") ||
aMIMETypeExcludingCodecs.EqualsASCII("audio/x-m4a") ||
aMIMETypeExcludingCodecs.EqualsASCII("audio/opus");
const bool isMP4Video =
// On B2G, treat 3GPP as MP4 when Gonk PDM is available.
#ifdef MOZ_GONK_MEDIACODEC
aMIMETypeExcludingCodecs.EqualsASCII(VIDEO_3GPP) ||
#endif
aMIMETypeExcludingCodecs.EqualsASCII("video/mp4") ||
aMIMETypeExcludingCodecs.EqualsASCII("video/quicktime") ||
aMIMETypeExcludingCodecs.EqualsASCII("video/x-m4v");
if (!isMP4Audio && !isMP4Video) {
return false;
}
nsTArray<nsCString> codecMimes;
if (aCodecs.IsEmpty()) {
// No codecs specified. Assume AAC/H.264
if (isMP4Audio) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("audio/mp4a-latm"));
} else {
MOZ_ASSERT(isMP4Video);
codecMimes.AppendElement(NS_LITERAL_CSTRING("video/avc"));
}
} else {
// Verify that all the codecs specified are ones that we expect that
// we can play.
nsTArray<nsString> codecs;
if (!ParseCodecsString(aCodecs, codecs)) {
return false;
}
for (const nsString& codec : codecs) {
if (IsAACCodecString(codec)) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("audio/mp4a-latm"));
continue;
}
if (codec.EqualsLiteral("mp3")) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("audio/mpeg"));
continue;
}
// Note: Only accept H.264 in a video content type, not in an audio
// content type.
if (IsWhitelistedH264Codec(codec) && isMP4Video) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("video/avc"));
continue;
}
// Some unsupported codec.
return false;
}
}
// Verify that we have a PDM that supports the whitelisted types.
RefPtr<PDMFactory> platform = new PDMFactory();
for (const nsCString& codecMime : codecMimes) {
if (!platform->SupportsMimeType(codecMime, aDiagnostics)) {
return false;
}
}
return true;
}
bool Contains(const nsACString& key) const {
for (int i = 0; i < mLen; ++i)
if (key.EqualsASCII(mItems[i]))
return true;
return false;
}
// Instantiates but does not initialize decoder.
static
already_AddRefed<MediaDecoder>
InstantiateDecoder(const nsACString& aType, MediaDecoderOwner* aOwner)
{
nsRefPtr<MediaDecoder> decoder;
#ifdef MOZ_FMP4
if (IsMP4SupportedType(aType)) {
decoder = new MP4Decoder();
return decoder.forget();
}
#endif
#ifdef MOZ_GSTREAMER
if (IsGStreamerSupportedType(aType)) {
decoder = new GStreamerDecoder();
return decoder.forget();
}
#endif
#ifdef MOZ_RAW
if (IsRawType(aType)) {
decoder = new RawDecoder();
return decoder.forget();
}
#endif
if (IsOggType(aType)) {
decoder = new OggDecoder();
return decoder.forget();
}
#ifdef MOZ_WAVE
if (IsWaveType(aType)) {
decoder = new WaveDecoder();
return decoder.forget();
}
#endif
#ifdef MOZ_OMX_DECODER
if (IsOmxSupportedType(aType)) {
// AMR audio is enabled for MMS, but we are discouraging Web and App
// developers from using AMR, thus we only allow AMR to be played on WebApps.
if (aType.EqualsASCII("audio/amr")) {
dom::HTMLMediaElement* element = aOwner->GetMediaElement();
if (!element) {
return nullptr;
}
nsIPrincipal* principal = element->NodePrincipal();
if (!principal) {
return nullptr;
}
if (principal->GetAppStatus() < nsIPrincipal::APP_STATUS_PRIVILEGED) {
return nullptr;
}
}
#if ANDROID_VERSION >= 18
decoder = MediaDecoder::IsOmxAsyncEnabled()
? static_cast<MediaDecoder*>(new MediaCodecDecoder())
: static_cast<MediaDecoder*>(new MediaOmxDecoder());
#else
decoder = new MediaOmxDecoder();
#endif
return decoder.forget();
}
#endif
#ifdef NECKO_PROTOCOL_rtsp
if (IsRtspSupportedType(aType)) {
decoder = new RtspOmxDecoder();
return decoder.forget();
}
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaEnabled() &&
GetAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoder = new AndroidMediaDecoder(aType);
return decoder.forget();
}
#endif
#ifdef MOZ_WEBM
if (IsWebMType(aType)) {
decoder = new WebMDecoder();
return decoder.forget();
}
#endif
#ifdef MOZ_DIRECTSHOW
// Note: DirectShow should come before WMF, so that we prefer DirectShow's
// MP3 support over WMF's.
if (IsDirectShowSupportedType(aType)) {
decoder = new DirectShowDecoder();
return decoder.forget();
}
#endif
#ifdef MOZ_WMF
if (IsWMFSupportedType(aType)) {
decoder = new WMFDecoder();
return decoder.forget();
}
#endif
#ifdef MOZ_APPLEMEDIA
if (IsAppleMediaSupportedType(aType)) {
decoder = new AppleDecoder();
return decoder.forget();
}
#endif
NS_ENSURE_TRUE(decoder != nullptr, nullptr);
NS_ENSURE_TRUE(decoder->Init(aOwner), nullptr);
return nullptr;
}
/* static */
already_AddRefed<MediaDecoder>
DecoderTraits::CreateDecoder(const nsACString& aType, MediaDecoderOwner* aOwner)
{
nsRefPtr<MediaDecoder> decoder;
#ifdef MOZ_GSTREAMER
if (IsGStreamerSupportedType(aType)) {
decoder = new GStreamerDecoder();
}
#endif
#ifdef MOZ_RAW
if (IsRawType(aType)) {
decoder = new RawDecoder();
}
#endif
#ifdef MOZ_OGG
if (IsOggType(aType)) {
decoder = new OggDecoder();
}
#endif
#ifdef MOZ_WAVE
if (IsWaveType(aType)) {
decoder = new WaveDecoder();
}
#endif
#ifdef MOZ_OMX_DECODER
if (IsOmxSupportedType(aType)) {
// AMR audio is enabled for MMS, but we are discouraging Web and App
// developers from using AMR, thus we only allow AMR to be played on WebApps.
if (aType.EqualsASCII("audio/amr")) {
HTMLMediaElement* element = aOwner->GetMediaElement();
if (!element) {
return nullptr;
}
nsIPrincipal* principal = element->NodePrincipal();
if (!principal) {
return nullptr;
}
if (principal->GetAppStatus() < nsIPrincipal::APP_STATUS_PRIVILEGED) {
return nullptr;
}
}
decoder = new MediaOmxDecoder();
}
#endif
#ifdef MOZ_MEDIA_PLUGINS
if (MediaDecoder::IsMediaPluginsEnabled() && GetMediaPluginHost()->FindDecoder(aType, NULL)) {
decoder = new MediaPluginDecoder(aType);
}
#endif
#ifdef MOZ_WEBM
if (IsWebMType(aType)) {
decoder = new WebMDecoder();
}
#endif
#ifdef MOZ_DASH
if (IsDASHMPDType(aType)) {
decoder = new DASHDecoder();
}
#endif
#ifdef MOZ_DIRECTSHOW
// Note: DirectShow decoder must come before WMFDecoder, else the pref
// "media.directshow.preferred" won't be honored.
if (IsDirectShowSupportedType(aType)) {
decoder = new DirectShowDecoder();
}
#endif
#ifdef MOZ_WMF
if (IsWMFSupportedType(aType)) {
decoder = new WMFDecoder();
}
#endif
#ifdef MOZ_APPLEMEDIA
if (IsAppleMediaSupportedType(aType)) {
decoder = new AppleDecoder();
}
#endif
NS_ENSURE_TRUE(decoder != nullptr, nullptr);
NS_ENSURE_TRUE(decoder->Init(aOwner), nullptr);
return decoder.forget();
}
/* static */
bool
MP4Decoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
const nsAString& aCodecs)
{
if (!IsEnabled()) {
return false;
}
// Whitelist MP4 types, so they explicitly match what we encounter on
// the web, as opposed to what we use internally (i.e. what our demuxers
// etc output).
const bool isMP4Audio = aMIMETypeExcludingCodecs.EqualsASCII("audio/mp4") ||
aMIMETypeExcludingCodecs.EqualsASCII("audio/x-m4a");
const bool isMP4Video = aMIMETypeExcludingCodecs.EqualsASCII("video/mp4") ||
#ifdef XP_LINUX
aMIMETypeExcludingCodecs.EqualsASCII("video/quicktime") ||
#endif
aMIMETypeExcludingCodecs.EqualsASCII("video/x-m4v");
if (!isMP4Audio && !isMP4Video) {
return false;
}
#ifdef MOZ_GONK_MEDIACODEC
if (aMIMETypeExcludingCodecs.EqualsASCII(VIDEO_3GPP)) {
return Preferences::GetBool("media.gonk.enabled", false);
}
#endif
nsTArray<nsCString> codecMimes;
if (aCodecs.IsEmpty()) {
// No codecs specified. Assume AAC/H.264
if (isMP4Audio) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("audio/mp4a-latm"));
} else {
MOZ_ASSERT(isMP4Video);
codecMimes.AppendElement(NS_LITERAL_CSTRING("video/avc"));
}
} else {
// Verify that all the codecs specified are ones that we expect that
// we can play.
nsTArray<nsString> codecs;
if (!ParseCodecsString(aCodecs, codecs)) {
return false;
}
for (const nsString& codec : codecs) {
if (IsAACCodecString(codec)) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("audio/mp4a-latm"));
continue;
}
if (codec.EqualsLiteral("mp3")) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("audio/mpeg"));
continue;
}
// Note: Only accept H.264 in a video content type, not in an audio
// content type.
if (IsWhitelistedH264Codec(codec) && isMP4Video) {
codecMimes.AppendElement(NS_LITERAL_CSTRING("video/avc"));
continue;
}
// Some unsupported codec.
return false;
}
}
// Verify that we have a PDM that supports the whitelisted types.
PlatformDecoderModule::Init();
nsRefPtr<PlatformDecoderModule> platform = PlatformDecoderModule::Create();
if (!platform) {
return false;
}
for (const nsCString& codecMime : codecMimes) {
if (!platform->SupportsMimeType(codecMime)) {
return false;
}
}
return true;
}
static bool
IsMP3SupportedType(const nsACString& aType,
const nsAString& aCodecs = EmptyString())
{
return aType.EqualsASCII("audio/mpeg") && MP3Decoder::IsEnabled();
}