void
SeekTask::CheckIfSeekComplete()
{
AssertOwnerThread();
const bool videoSeekComplete = IsVideoSeekComplete();
if (HasVideo() && !videoSeekComplete) {
// We haven't reached the target. Ensure we have requested another sample.
if (NS_FAILED(EnsureVideoDecodeTaskQueued())) {
DECODER_WARN("Failed to request video during seek");
RejectIfExist(__func__);
}
}
const bool audioSeekComplete = IsAudioSeekComplete();
if (HasAudio() && !audioSeekComplete) {
// We haven't reached the target. Ensure we have requested another sample.
if (NS_FAILED(EnsureAudioDecodeTaskQueued())) {
DECODER_WARN("Failed to request audio during seek");
RejectIfExist(__func__);
}
}
SAMPLE_LOG("CheckIfSeekComplete() audioSeekComplete=%d videoSeekComplete=%d",
audioSeekComplete, videoSeekComplete);
if (audioSeekComplete && videoSeekComplete) {
Resolve(__func__); // Call to MDSM::SeekCompleted();
}
}
nsRefPtr<MediaDecoderReader::MetadataPromise>
MediaDecoderReader::AsyncReadMetadata()
{
typedef ReadMetadataFailureReason Reason;
MOZ_ASSERT(OnTaskQueue());
mDecoder->GetReentrantMonitor().AssertNotCurrentThreadIn();
DECODER_LOG("MediaDecoderReader::AsyncReadMetadata");
// PreReadMetadata causes us to try to allocate various hardware and OS
// resources, which may not be available at the moment.
PreReadMetadata();
if (IsWaitingMediaResources()) {
return MetadataPromise::CreateAndReject(Reason::WAITING_FOR_RESOURCES, __func__);
}
// Attempt to read the metadata.
nsRefPtr<MetadataHolder> metadata = new MetadataHolder();
nsresult rv = ReadMetadata(&metadata->mInfo, getter_Transfers(metadata->mTags));
// Reading metadata can cause us to discover that we need resources (a hardware
// resource initialized but not yet ready for use).
if (IsWaitingMediaResources()) {
return MetadataPromise::CreateAndReject(Reason::WAITING_FOR_RESOURCES, __func__);
}
// We're not waiting for anything. If we didn't get the metadata, that's an error.
if (NS_FAILED(rv) || !metadata->mInfo.HasValidMedia()) {
DECODER_WARN("ReadMetadata failed, rv=%x HasValidMedia=%d", rv, metadata->mInfo.HasValidMedia());
return MetadataPromise::CreateAndReject(Reason::METADATA_ERROR, __func__);
}
// Success!
return MetadataPromise::CreateAndResolve(metadata, __func__);
}
RefPtr<MediaDecoderReader::MetadataPromise>
MediaDecoderReader::AsyncReadMetadata()
{
MOZ_ASSERT(OnTaskQueue());
DECODER_LOG("MediaDecoderReader::AsyncReadMetadata");
// Attempt to read the metadata.
MetadataHolder metadata;
metadata.mInfo = MakeUnique<MediaInfo>();
MetadataTags* tags = nullptr;
nsresult rv = ReadMetadata(metadata.mInfo.get(), &tags);
metadata.mTags.reset(tags);
metadata.mInfo->AssertValid();
// Update the buffer ranges before resolving the metadata promise. Bug 1320258.
UpdateBuffered();
// We're not waiting for anything. If we didn't get the metadata, that's an
// error.
if (NS_FAILED(rv) || !metadata.mInfo->HasValidMedia()) {
DECODER_WARN("ReadMetadata failed, rv=%" PRIx32 " HasValidMedia=%d",
static_cast<uint32_t>(rv), metadata.mInfo->HasValidMedia());
return MetadataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_METADATA_ERR, __func__);
}
// Success!
return MetadataPromise::CreateAndResolve(Move(metadata), __func__);
}
RefPtr<MediaDecoderReader::MetadataPromise>
MediaDecoderReader::AsyncReadMetadata()
{
MOZ_ASSERT(OnTaskQueue());
DECODER_LOG("MediaDecoderReader::AsyncReadMetadata");
// Attempt to read the metadata.
RefPtr<MetadataHolder> metadata = new MetadataHolder();
nsresult rv = ReadMetadata(&metadata->mInfo, getter_Transfers(metadata->mTags));
metadata->mInfo.AssertValid();
// We're not waiting for anything. If we didn't get the metadata, that's an
// error.
if (NS_FAILED(rv) || !metadata->mInfo.HasValidMedia()) {
DECODER_WARN("ReadMetadata failed, rv=%x HasValidMedia=%d", rv, metadata->mInfo.HasValidMedia());
return MetadataPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_METADATA_ERR, __func__);
}
// Success!
return MetadataPromise::CreateAndResolve(metadata, __func__);
}
nsRefPtr<MediaDecoderReader::MetadataPromise>
MediaDecoderReader::AsyncReadMetadata()
{
typedef ReadMetadataFailureReason Reason;
MOZ_ASSERT(OnTaskQueue());
mDecoder->GetReentrantMonitor().AssertNotCurrentThreadIn();
DECODER_LOG("MediaDecoderReader::AsyncReadMetadata");
// Attempt to read the metadata.
nsRefPtr<MetadataHolder> metadata = new MetadataHolder();
nsresult rv = ReadMetadata(&metadata->mInfo, getter_Transfers(metadata->mTags));
// We're not waiting for anything. If we didn't get the metadata, that's an
// error.
if (NS_FAILED(rv) || !metadata->mInfo.HasValidMedia()) {
DECODER_WARN("ReadMetadata failed, rv=%x HasValidMedia=%d", rv, metadata->mInfo.HasValidMedia());
return MetadataPromise::CreateAndReject(Reason::METADATA_ERROR, __func__);
}
// Success!
return MetadataPromise::CreateAndResolve(metadata, __func__);
}
nsresult
SeekTask::DropAudioUpToSeekTarget(MediaData* aSample)
{
AssertOwnerThread();
RefPtr<AudioData> audio(aSample->As<AudioData>());
MOZ_ASSERT(audio && mSeekJob.Exists() && mSeekJob.mTarget.IsAccurate());
CheckedInt64 sampleDuration = FramesToUsecs(audio->mFrames, mAudioRate);
if (!sampleDuration.isValid()) {
return NS_ERROR_FAILURE;
}
if (audio->mTime + sampleDuration.value() <= mSeekJob.mTarget.GetTime().ToMicroseconds()) {
// Our seek target lies after the frames in this AudioData. Don't
// push it onto the audio queue, and keep decoding forwards.
return NS_OK;
}
if (audio->mTime > mSeekJob.mTarget.GetTime().ToMicroseconds()) {
// The seek target doesn't lie in the audio block just after the last
// audio frames we've seen which were before the seek target. This
// could have been the first audio data we've seen after seek, i.e. the
// seek terminated after the seek target in the audio stream. Just
// abort the audio decode-to-target, the state machine will play
// silence to cover the gap. Typically this happens in poorly muxed
// files.
DECODER_WARN("Audio not synced after seek, maybe a poorly muxed file?");
mSeekedAudioData = audio;
return NS_OK;
}
// The seek target lies somewhere in this AudioData's frames, strip off
// any frames which lie before the seek target, so we'll begin playback
// exactly at the seek target.
NS_ASSERTION(mSeekJob.mTarget.GetTime().ToMicroseconds() >= audio->mTime,
"Target must at or be after data start.");
NS_ASSERTION(mSeekJob.mTarget.GetTime().ToMicroseconds() < audio->mTime + sampleDuration.value(),
"Data must end after target.");
CheckedInt64 framesToPrune =
UsecsToFrames(mSeekJob.mTarget.GetTime().ToMicroseconds() - audio->mTime, mAudioRate);
if (!framesToPrune.isValid()) {
return NS_ERROR_FAILURE;
}
if (framesToPrune.value() > audio->mFrames) {
// We've messed up somehow. Don't try to trim frames, the |frames|
// variable below will overflow.
DECODER_WARN("Can't prune more frames that we have!");
return NS_ERROR_FAILURE;
}
uint32_t frames = audio->mFrames - static_cast<uint32_t>(framesToPrune.value());
uint32_t channels = audio->mChannels;
AlignedAudioBuffer audioData(frames * channels);
if (!audioData) {
return NS_ERROR_OUT_OF_MEMORY;
}
memcpy(audioData.get(),
audio->mAudioData.get() + (framesToPrune.value() * channels),
frames * channels * sizeof(AudioDataValue));
CheckedInt64 duration = FramesToUsecs(frames, mAudioRate);
if (!duration.isValid()) {
return NS_ERROR_FAILURE;
}
RefPtr<AudioData> data(new AudioData(audio->mOffset,
mSeekJob.mTarget.GetTime().ToMicroseconds(),
duration.value(),
frames,
Move(audioData),
channels,
audio->mRate));
MOZ_ASSERT(!mSeekedAudioData, "Should be the 1st sample after seeking");
mSeekedAudioData = data;
return NS_OK;
}
