/* static */
bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
{
// Forbid playing media in video documents if the user has opted
// not to, using either the legacy WMF specific pref, or the newer
// catch-all pref.
if (!Preferences::GetBool("media.windows-media-foundation.play-stand-alone", true) ||
!Preferences::GetBool("media.play-stand-alone", true)) {
return false;
}
return
IsOggSupportedType(aType) ||
IsWebMSupportedType(aType) ||
#ifdef MOZ_ANDROID_OMX
(MediaDecoder::IsAndroidMediaPluginEnabled() && IsAndroidMediaType(aType)) ||
#endif
#ifdef MOZ_FMP4
IsMP4SupportedType(aType, /* DecoderDoctorDiagnostics* */ nullptr) ||
#endif
IsMP3SupportedType(aType) ||
IsAACSupportedType(aType) ||
IsFlacSupportedType(aType) ||
#ifdef MOZ_DIRECTSHOW
IsDirectShowSupportedType(aType) ||
#endif
false;
}
/* static */
bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
{
// Forbid playing media in video documents if the user has opted
// not to, using either the legacy WMF specific pref, or the newer
// catch-all pref.
if (!Preferences::GetBool("media.windows-media-foundation.play-stand-alone", true) ||
!Preferences::GetBool("media.play-stand-alone", true)) {
return false;
}
return
IsOggType(aType) ||
#ifdef MOZ_OMX_DECODER
// We support the formats in gB2GOnlyTypes only inside WebApps on firefoxOS
// but not in general web content. Ensure we dont create a VideoDocument
// when accessing those format URLs directly.
(IsOmxSupportedType(aType) &&
!IsB2GSupportOnlyType(aType)) ||
#endif
IsWebMSupportedType(aType) ||
#ifdef MOZ_ANDROID_OMX
(MediaDecoder::IsAndroidMediaPluginEnabled() && IsAndroidMediaType(aType)) ||
#endif
#ifdef MOZ_FMP4
IsMP4SupportedType(aType, /* DecoderDoctorDiagnostics* */ nullptr) ||
#endif
IsMP3SupportedType(aType) ||
IsAACSupportedType(aType) ||
#ifdef MOZ_DIRECTSHOW
IsDirectShowSupportedType(aType) ||
#endif
false;
}
/* static */
MediaDecoderReader* DecoderTraits::CreateReader(const nsACString& aType, AbstractMediaDecoder* aDecoder)
{
MOZ_ASSERT(NS_IsMainThread());
MediaDecoderReader* decoderReader = nullptr;
if (!aDecoder) {
return decoderReader;
}
#ifdef MOZ_FMP4
if (IsMP4SupportedType(aType, /* DecoderDoctorDiagnostics* */ nullptr)) {
decoderReader = new MediaFormatReader(aDecoder, new MP4Demuxer(aDecoder->GetResource()));
} else
#endif
if (IsMP3SupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new mp3::MP3Demuxer(aDecoder->GetResource()));
} else
if (IsAACSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new ADTSDemuxer(aDecoder->GetResource()));
} else
if (IsWAVSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new WAVDemuxer(aDecoder->GetResource()));
} else
#ifdef MOZ_RAW
if (IsRawType(aType)) {
decoderReader = new RawReader(aDecoder);
} else
#endif
if (IsOggType(aType)) {
decoderReader = Preferences::GetBool("media.format-reader.ogg", true) ?
static_cast<MediaDecoderReader*>(new MediaFormatReader(aDecoder, new OggDemuxer(aDecoder->GetResource()))) :
new OggReader(aDecoder);
} else
if (IsWaveType(aType)) {
decoderReader = new WaveReader(aDecoder);
} else
#ifdef MOZ_OMX_DECODER
if (IsOmxSupportedType(aType)) {
decoderReader = new MediaOmxReader(aDecoder);
} else
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoderReader = new AndroidMediaReader(aDecoder, aType);
} else
#endif
if (IsWebMSupportedType(aType)) {
decoderReader =
new MediaFormatReader(aDecoder, new WebMDemuxer(aDecoder->GetResource()));
} else
#ifdef MOZ_DIRECTSHOW
if (IsDirectShowSupportedType(aType)) {
decoderReader = new DirectShowReader(aDecoder);
} else
#endif
if (false) {} // dummy if to take care of the dangling else
return decoderReader;
}
/* static */
MediaDecoderReader* DecoderTraits::CreateReader(const nsACString& aType, AbstractMediaDecoder* aDecoder)
{
MOZ_ASSERT(NS_IsMainThread());
MediaDecoderReader* decoderReader = nullptr;
if (!aDecoder) {
return decoderReader;
}
#ifdef MOZ_FMP4
if (IsMP4SupportedType(aType, /* DecoderDoctorDiagnostics* */ nullptr)) {
decoderReader = new MediaFormatReader(aDecoder, new MP4Demuxer(aDecoder->GetResource()));
} else
#endif
if (IsMP3SupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new mp3::MP3Demuxer(aDecoder->GetResource()));
} else
if (IsAACSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new ADTSDemuxer(aDecoder->GetResource()));
} else
if (IsWaveSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new WAVDemuxer(aDecoder->GetResource()));
} else
if (IsFlacSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new FlacDemuxer(aDecoder->GetResource()));
} else
if (IsOggSupportedType(aType)) {
decoderReader = new MediaFormatReader(aDecoder, new OggDemuxer(aDecoder->GetResource()));
} else
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoderReader = new AndroidMediaReader(aDecoder, aType);
} else
#endif
if (IsWebMSupportedType(aType)) {
decoderReader =
new MediaFormatReader(aDecoder, new WebMDemuxer(aDecoder->GetResource()));
} else
#ifdef MOZ_DIRECTSHOW
if (IsDirectShowSupportedType(aType)) {
decoderReader = new DirectShowReader(aDecoder);
} else
#endif
if (false) {} // dummy if to take care of the dangling else
return decoderReader;
}
// Instantiates but does not initialize decoder.
static
already_AddRefed<MediaDecoder>
InstantiateDecoder(const nsACString& aType,
MediaDecoderOwner* aOwner,
DecoderDoctorDiagnostics* aDiagnostics)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<MediaDecoder> decoder;
#ifdef MOZ_FMP4
if (IsMP4SupportedType(aType, aDiagnostics)) {
decoder = new MP4Decoder(aOwner);
return decoder.forget();
}
#endif
if (IsMP3SupportedType(aType)) {
decoder = new MP3Decoder(aOwner);
return decoder.forget();
}
if (IsAACSupportedType(aType)) {
decoder = new ADTSDecoder(aOwner);
return decoder.forget();
}
#ifdef MOZ_RAW
if (IsRawType(aType)) {
decoder = new RawDecoder(aOwner);
return decoder.forget();
}
#endif
if (IsOggType(aType)) {
decoder = new OggDecoder(aOwner);
return decoder.forget();
}
if (IsWaveType(aType)) {
decoder = new WaveDecoder(aOwner);
return decoder.forget();
}
#ifdef MOZ_OMX_DECODER
if (IsOmxSupportedType(aType)) {
// we are discouraging Web and App developers from using those formats in
// gB2GOnlyTypes, thus we only allow them to be played on WebApps.
if (IsB2GSupportOnlyType(aType)) {
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;
}
}
decoder = new MediaOmxDecoder(aOwner);
return decoder.forget();
}
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoder = new AndroidMediaDecoder(aOwner, aType);
return decoder.forget();
}
#endif
if (IsWebMSupportedType(aType)) {
decoder = new WebMDecoder(aOwner);
return decoder.forget();
}
#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(aOwner);
return decoder.forget();
}
#endif
if (IsHttpLiveStreamingType(aType)) {
// We don't have an HLS decoder.
Telemetry::Accumulate(Telemetry::MEDIA_HLS_DECODER_SUCCESS, false);
}
return nullptr;
}
/* static */
CanPlayStatus
DecoderTraits::CanHandleCodecsType(const char* aMIMEType,
const nsAString& aRequestedCodecs,
DecoderDoctorDiagnostics* aDiagnostics)
{
char const* const* codecList = nullptr;
#ifdef MOZ_RAW
if (IsRawType(nsDependentCString(aMIMEType))) {
codecList = gRawCodecs;
}
#endif
if (IsOggType(nsDependentCString(aMIMEType))) {
codecList = MediaDecoder::IsOpusEnabled() ? gOggCodecsWithOpus : gOggCodecs;
}
if (IsWaveType(nsDependentCString(aMIMEType))) {
codecList = gWaveCodecs;
}
#if !defined(MOZ_OMX_WEBM_DECODER)
if (IsWebMTypeAndEnabled(nsDependentCString(aMIMEType))) {
if (IsWebMSupportedType(nsDependentCString(aMIMEType), aRequestedCodecs)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// webm is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#endif
#ifdef MOZ_FMP4
if (IsMP4TypeAndEnabled(nsDependentCString(aMIMEType), aDiagnostics)) {
if (IsMP4SupportedType(nsDependentCString(aMIMEType), aDiagnostics, aRequestedCodecs)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// fmp4 is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#endif
if (IsMP3SupportedType(nsDependentCString(aMIMEType), aRequestedCodecs)) {
return CANPLAY_YES;
}
if (IsAACSupportedType(nsDependentCString(aMIMEType), aRequestedCodecs)) {
return CANPLAY_YES;
}
#ifdef MOZ_OMX_DECODER
if (IsOmxSupportedType(nsDependentCString(aMIMEType))) {
if (nsDependentCString(aMIMEType).EqualsASCII("audio/mpeg")) {
codecList = gMpegAudioCodecs;
#ifdef MOZ_OMX_WEBM_DECODER
} else if (nsDependentCString(aMIMEType).EqualsASCII("audio/webm") ||
nsDependentCString(aMIMEType).EqualsASCII("video/webm")) {
codecList = gOMXWebMCodecs;
#endif
} else {
codecList = gH264Codecs;
}
}
#endif
#ifdef MOZ_DIRECTSHOW
DirectShowDecoder::GetSupportedCodecs(nsDependentCString(aMIMEType), &codecList);
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled()) {
EnsureAndroidMediaPluginHost()->FindDecoder(nsDependentCString(aMIMEType), &codecList);
}
#endif
if (!codecList) {
return CANPLAY_MAYBE;
}
// See http://www.rfc-editor.org/rfc/rfc4281.txt for the description
// of the 'codecs' parameter
nsCharSeparatedTokenizer tokenizer(aRequestedCodecs, ',');
bool expectMoreTokens = false;
while (tokenizer.hasMoreTokens()) {
const nsSubstring& token = tokenizer.nextToken();
if (!CodecListContains(codecList, token)) {
// Totally unsupported codec
return CANPLAY_NO;
}
expectMoreTokens = tokenizer.separatorAfterCurrentToken();
}
if (expectMoreTokens) {
// Last codec name was empty
return CANPLAY_NO;
}
return CANPLAY_YES;
}
/* static */ bool
DecoderTraits::IsWebMTypeAndEnabled(const nsACString& aType)
{
return IsWebMSupportedType(aType);
}
// Instantiates but does not initialize decoder.
static
already_AddRefed<MediaDecoder>
InstantiateDecoder(const nsACString& aType,
MediaDecoderOwner* aOwner,
DecoderDoctorDiagnostics* aDiagnostics)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<MediaDecoder> decoder;
#ifdef MOZ_FMP4
if (IsMP4SupportedType(aType, aDiagnostics)) {
decoder = new MP4Decoder(aOwner);
return decoder.forget();
}
#endif
if (IsMP3SupportedType(aType)) {
decoder = new MP3Decoder(aOwner);
return decoder.forget();
}
if (IsAACSupportedType(aType)) {
decoder = new ADTSDecoder(aOwner);
return decoder.forget();
}
if (IsOggSupportedType(aType)) {
decoder = new OggDecoder(aOwner);
return decoder.forget();
}
if (IsWaveSupportedType(aType)) {
decoder = new WaveDecoder(aOwner);
return decoder.forget();
}
if (IsFlacSupportedType(aType)) {
decoder = new FlacDecoder(aOwner);
return decoder.forget();
}
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
EnsureAndroidMediaPluginHost()->FindDecoder(aType, nullptr)) {
decoder = new AndroidMediaDecoder(aOwner, aType);
return decoder.forget();
}
#endif
if (IsWebMSupportedType(aType)) {
decoder = new WebMDecoder(aOwner);
return decoder.forget();
}
#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(aOwner);
return decoder.forget();
}
#endif
if (IsHttpLiveStreamingType(aType)) {
// We don't have an HLS decoder.
Telemetry::Accumulate(Telemetry::MEDIA_HLS_DECODER_SUCCESS, false);
}
return nullptr;
}
static
CanPlayStatus
CanHandleCodecsType(const MediaContentType& aType,
DecoderDoctorDiagnostics* aDiagnostics)
{
// We should have been given a codecs string, though it may be empty.
MOZ_ASSERT(aType.HaveCodecs());
char const* const* codecList = nullptr;
if (IsOggTypeAndEnabled(aType.GetMIMEType())) {
if (IsOggSupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// ogg is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
if (IsWaveSupportedType(aType.GetMIMEType())) {
if (IsWaveSupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// ogg is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#if !defined(MOZ_OMX_WEBM_DECODER)
if (DecoderTraits::IsWebMTypeAndEnabled(aType.GetMIMEType())) {
if (IsWebMSupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// webm is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#endif
#ifdef MOZ_FMP4
if (DecoderTraits::IsMP4TypeAndEnabled(aType.GetMIMEType(), aDiagnostics)) {
if (IsMP4SupportedType(aType, aDiagnostics)) {
return CANPLAY_YES;
} else {
// We can only reach this position if a particular codec was requested,
// fmp4 is supported and working: the codec must be invalid.
return CANPLAY_NO;
}
}
#endif
if (IsMP3SupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
return CANPLAY_YES;
}
if (IsAACSupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
return CANPLAY_YES;
}
if (IsFlacSupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
return CANPLAY_YES;
}
#ifdef MOZ_DIRECTSHOW
DirectShowDecoder::GetSupportedCodecs(aType.GetMIMEType(), &codecList);
#endif
#ifdef MOZ_ANDROID_OMX
if (MediaDecoder::IsAndroidMediaPluginEnabled()) {
EnsureAndroidMediaPluginHost()->FindDecoder(aType.GetMIMEType(), &codecList);
}
#endif
if (!codecList) {
return CANPLAY_MAYBE;
}
// See http://www.rfc-editor.org/rfc/rfc4281.txt for the description
// of the 'codecs' parameter
nsCharSeparatedTokenizer tokenizer(aType.GetCodecs(), ',');
bool expectMoreTokens = false;
while (tokenizer.hasMoreTokens()) {
const nsSubstring& token = tokenizer.nextToken();
if (!CodecListContains(codecList, token)) {
// Totally unsupported codec
return CANPLAY_NO;
}
expectMoreTokens = tokenizer.separatorAfterCurrentToken();
}
if (expectMoreTokens) {
// Last codec name was empty
return CANPLAY_NO;
}
return CANPLAY_YES;
}
