bool
AndroidDecoderModule::SupportsMimeType(const nsACString& aMimeType,
DecoderDoctorDiagnostics* aDiagnostics) const
{
if (!AndroidBridge::Bridge() ||
AndroidBridge::Bridge()->GetAPIVersion() < 16) {
return false;
}
if (aMimeType.EqualsLiteral("video/mp4") ||
aMimeType.EqualsLiteral("video/avc")) {
return true;
}
// When checking "audio/x-wav", CreateDecoder can cause a JNI ERROR by
// Accessing a stale local reference leading to a SIGSEGV crash.
// To avoid this we check for wav types here.
if (aMimeType.EqualsLiteral("audio/x-wav") ||
aMimeType.EqualsLiteral("audio/wave; codecs=1") ||
aMimeType.EqualsLiteral("audio/wave; codecs=6") ||
aMimeType.EqualsLiteral("audio/wave; codecs=7") ||
aMimeType.EqualsLiteral("audio/wave; codecs=65534")) {
return false;
}
if ((VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8) &&
!GetFeatureStatus(nsIGfxInfo::FEATURE_VP8_HW_DECODE)) ||
(VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9) &&
!GetFeatureStatus(nsIGfxInfo::FEATURE_VP9_HW_DECODE))) {
return false;
}
return java::HardwareCodecCapabilityUtils::FindDecoderCodecInfoForMimeType(
nsCString(TranslateMimeType(aMimeType)));
}
bool AndroidDecoderModule::SupportsMimeType(const nsACString& aMimeType) {
if (jni::GetAPIVersion() < 16) {
return false;
}
if (aMimeType.EqualsLiteral("video/mp4") ||
aMimeType.EqualsLiteral("video/avc")) {
return true;
}
// When checking "audio/x-wav", CreateDecoder can cause a JNI ERROR by
// Accessing a stale local reference leading to a SIGSEGV crash.
// To avoid this we check for wav types here.
if (aMimeType.EqualsLiteral("audio/x-wav") ||
aMimeType.EqualsLiteral("audio/wave; codecs=1") ||
aMimeType.EqualsLiteral("audio/wave; codecs=6") ||
aMimeType.EqualsLiteral("audio/wave; codecs=7") ||
aMimeType.EqualsLiteral("audio/wave; codecs=65534")) {
return false;
}
if ((VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8) &&
!GetFeatureStatus(nsIGfxInfo::FEATURE_VP8_HW_DECODE)) ||
(VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9) &&
!GetFeatureStatus(nsIGfxInfo::FEATURE_VP9_HW_DECODE))) {
return false;
}
// Prefer the gecko decoder for opus and vorbis; stagefright crashes
// on content demuxed from mp4.
// Not all android devices support FLAC even when they say they do.
if (OpusDataDecoder::IsOpus(aMimeType) ||
VorbisDataDecoder::IsVorbis(aMimeType) ||
aMimeType.EqualsLiteral("audio/flac")) {
SLOG("Rejecting audio of type %s", aMimeType.Data());
return false;
}
// Prefer the gecko decoder for Theora.
// Not all android devices support Theora even when they say they do.
if (TheoraDecoder::IsTheora(aMimeType)) {
SLOG("Rejecting video of type %s", aMimeType.Data());
return false;
}
return java::HardwareCodecCapabilityUtils::FindDecoderCodecInfoForMimeType(
TranslateMimeType(aMimeType));
}
