// Create a webcompat-friendly description of a MediaResult.
static nsString
MediaResultDescription(const MediaResult& aResult, bool aIsError)
{
nsCString name;
GetErrorName(aResult.Code(), name);
return NS_ConvertUTF8toUTF16(
nsPrintfCString(
"%s Code: %s (0x%08" PRIx32 ")%s%s",
aIsError ? "Error" : "Warning", name.get(),
static_cast<uint32_t>(aResult.Code()),
aResult.Message().IsEmpty() ? "" : "\nDetails: ",
aResult.Message().get()));
}
static bool
AllowDecodeIssue(const MediaResult& aDecodeIssue, bool aDecodeIssueIsError)
{
if (aDecodeIssue == NS_OK) {
// 'NS_OK' means we are not actually reporting a decode issue, so we
// allow the report.
return true;
}
// "media.decoder-doctor.decode-{errors,warnings}-allowed" controls which
// decode issues may be dispatched to the front-end. It either contains:
// - '*' -> Allow everything.
// - Comma-separater list of ids -> Allow if the issue name is one of them.
// - Nothing (missing or empty) -> Disable everything.
nsAutoCString filter;
Preferences::GetCString(aDecodeIssueIsError
? "media.decoder-doctor.decode-errors-allowed"
: "media.decoder-doctor.decode-warnings-allowed",
filter);
if (filter.EqualsLiteral("*")) {
return true;
}
nsCString decodeIssueName;
GetErrorName(aDecodeIssue.Code(), static_cast<nsACString&>(decodeIssueName));
return StringListContains(filter, decodeIssueName);
}
void
MediaSource::EndOfStream(const MediaResult& aError)
{
MOZ_ASSERT(NS_IsMainThread());
MSE_API("EndOfStream(aError=%d)", aError.Code());
SetReadyState(MediaSourceReadyState::Ended);
mSourceBuffers->Ended();
mDecoder->DecodeError(aError);
}
RefPtr<ReaderProxy::AudioDataPromise>
ReaderProxy::OnAudioDataRequestFailed(const MediaResult& aError)
{
MOZ_ASSERT(mOwnerThread->IsCurrentThreadIn());
if (mSeamlessLoopingBlocked || !mSeamlessLoopingEnabled ||
aError.Code() != NS_ERROR_DOM_MEDIA_END_OF_STREAM) {
return AudioDataPromise::CreateAndReject(aError, __func__);
}
// The data time in the audio queue is assumed to be increased linearly,
// so we need to add the last ending time as the offset to correct the
// audio data time in the next round when seamless looping is enabled.
mLoopingOffset = mLastAudioEndTime;
// Save the duration of the audio track if it hasn't been set.
if (!mAudioDuration.IsValid()) {
mAudioDuration = mLastAudioEndTime;
}
// For seamless looping, the demuxer is sought to the beginning and then
// keep requesting decoded data in advance, upon receiving EOS.
// The MDSM will not be aware of the EOS and keep receiving decoded data
// as usual while looping is on.
RefPtr<ReaderProxy> self = this;
RefPtr<MediaFormatReader> reader = mReader;
ResetDecode(TrackInfo::kAudioTrack);
return SeekInternal(SeekTarget(media::TimeUnit::Zero(), SeekTarget::Accurate))
->Then(mReader->OwnerThread(),
__func__,
[reader]() { return reader->RequestAudioData(); },
[](const SeekRejectValue& aReject) {
return AudioDataPromise::CreateAndReject(aReject.mError, __func__);
})
->Then(mOwnerThread,
__func__,
[self](RefPtr<AudioData> aAudio) {
return self->OnAudioDataRequestCompleted(aAudio.forget());
},
[](const MediaResult& aError) {
return AudioDataPromise::CreateAndReject(aError, __func__);
});
}