/* 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 DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
{
return
#ifdef MOZ_OGG
IsOggType(aType) ||
#endif
#ifdef MOZ_WIDGET_GONK
IsOmxSupportedType(aType) ||
#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) ||
#endif
false;
}
/* 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_WIDGET_GONK
if (IsOmxSupportedType(aType)) {
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_WMF
if (IsWMFSupportedType(aType)) {
decoder = new WMFDecoder();
}
#endif
NS_ENSURE_TRUE(decoder != nullptr, nullptr);
NS_ENSURE_TRUE(decoder->Init(aOwner), nullptr);
return decoder.forget();
}
/* 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 */
CanPlayStatus
DecoderTraits::CanHandleMediaType(const char* aMIMEType,
bool aHaveRequestedCodecs,
const nsAString& aRequestedCodecs)
{
char const* const* codecList = nullptr;
CanPlayStatus result = CANPLAY_NO;
#ifdef MOZ_RAW
if (IsRawType(nsDependentCString(aMIMEType))) {
codecList = gRawCodecs;
result = CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_OGG
if (IsOggType(nsDependentCString(aMIMEType))) {
codecList = MediaDecoder::IsOpusEnabled() ? gOggCodecsWithOpus : gOggCodecs;
result = CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_WAVE
if (IsWaveType(nsDependentCString(aMIMEType))) {
codecList = gWaveCodecs;
result = CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_WEBM
if (IsWebMType(nsDependentCString(aMIMEType))) {
codecList = gWebMCodecs;
result = CANPLAY_YES;
}
#endif
#ifdef MOZ_DASH
if (IsDASHMPDType(nsDependentCString(aMIMEType))) {
// DASH manifest uses WebM codecs only.
codecList = gWebMCodecs;
result = CANPLAY_YES;
}
#endif
#ifdef MOZ_GSTREAMER
if (GStreamerDecoder::CanHandleMediaType(nsDependentCString(aMIMEType),
aHaveRequestedCodecs ? &aRequestedCodecs : nullptr)) {
if (aHaveRequestedCodecs)
return CANPLAY_YES;
return CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_OMX_DECODER
if (IsOmxSupportedType(nsDependentCString(aMIMEType))) {
result = CANPLAY_MAYBE;
if (nsDependentCString(aMIMEType).EqualsASCII("audio/mpeg")) {
codecList = gMpegAudioCodecs;
} else {
codecList = gH264Codecs;
}
}
#endif
#ifdef MOZ_WMF
if (WMFDecoder::GetSupportedCodecs(nsDependentCString(aMIMEType), &codecList)) {
result = CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_DIRECTSHOW
if (DirectShowDecoder::GetSupportedCodecs(nsDependentCString(aMIMEType), &codecList)) {
result = CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_APPLEMEDIA
if (IsAppleMediaSupportedType(nsDependentCString(aMIMEType), &codecList)) {
result = CANPLAY_MAYBE;
}
#endif
#ifdef MOZ_MEDIA_PLUGINS
if (MediaDecoder::IsMediaPluginsEnabled() &&
GetMediaPluginHost()->FindDecoder(nsDependentCString(aMIMEType), &codecList))
result = CANPLAY_MAYBE;
#endif
if (result == CANPLAY_NO || !aHaveRequestedCodecs || !codecList) {
return result;
}
// 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.lastTokenEndedWithSeparator();
}
if (expectMoreTokens) {
// Last codec name was empty
return CANPLAY_NO;
}
return CANPLAY_YES;
}
