nsresult
OggWriter::GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
uint32_t aFlags)
{
int rc = -1;
PROFILER_LABEL("OggWriter", "GetContainerData",
js::ProfileEntry::Category::OTHER);
// Generate the oggOpus Header
if (aFlags & ContainerWriter::GET_HEADER) {
OpusMetadata* meta = static_cast<OpusMetadata*>(mMetadata.get());
NS_ASSERTION(meta, "should have meta data");
NS_ASSERTION(meta->GetKind() == TrackMetadataBase::METADATA_OPUS,
"should have Opus meta data");
nsresult rv = WriteEncodedData(meta->mIdHeader, 0);
NS_ENSURE_SUCCESS(rv, rv);
rc = ogg_stream_flush(&mOggStreamState, &mOggPage);
NS_ENSURE_TRUE(rc > 0, NS_ERROR_FAILURE);
ProduceOggPage(aOutputBufs);
rv = WriteEncodedData(meta->mCommentHeader, 0);
NS_ENSURE_SUCCESS(rv, rv);
rc = ogg_stream_flush(&mOggStreamState, &mOggPage);
NS_ENSURE_TRUE(rc > 0, NS_ERROR_FAILURE);
ProduceOggPage(aOutputBufs);
return NS_OK;
// Force generate a page even if the amount of packet data is not enough.
// Usually do so after a header packet.
} else if (aFlags & ContainerWriter::FLUSH_NEEDED) {
// rc = 0 means no packet to put into a page, or an internal error.
rc = ogg_stream_flush(&mOggStreamState, &mOggPage);
} else {
// rc = 0 means insufficient data has accumulated to fill a page, or an
// internal error has occurred.
rc = ogg_stream_pageout(&mOggStreamState, &mOggPage);
}
if (rc) {
ProduceOggPage(aOutputBufs);
}
if (aFlags & ContainerWriter::FLUSH_NEEDED) {
mIsWritingComplete = true;
}
return (rc > 0) ? NS_OK : NS_ERROR_FAILURE;
}
nsresult
OggWriter::WriteEncodedTrack(const EncodedFrameContainer& aData,
uint32_t aFlags)
{
AUTO_PROFILER_LABEL("OggWriter::WriteEncodedTrack", OTHER);
uint32_t len = aData.GetEncodedFrames().Length();
for (uint32_t i = 0; i < len; i++) {
if (aData.GetEncodedFrames()[i]->GetFrameType() != EncodedFrame::OPUS_AUDIO_FRAME) {
LOG("[OggWriter] wrong encoded data type!");
return NS_ERROR_FAILURE;
}
// only pass END_OF_STREAM on the last frame!
nsresult rv = WriteEncodedData(aData.GetEncodedFrames()[i]->GetFrameData(),
aData.GetEncodedFrames()[i]->GetDuration(),
i < len-1 ? (aFlags & ~ContainerWriter::END_OF_STREAM) :
aFlags);
if (NS_FAILED(rv)) {
LOG("%p Failed to WriteEncodedTrack!", this);
return rv;
}
}
return NS_OK;
}
nsresult
OggWriter::WriteEncodedTrack(const EncodedFrameContainer& aData,
uint32_t aFlags)
{
for (uint32_t i = 0; i < aData.GetEncodedFrames().Length(); i++) {
if (aData.GetEncodedFrames()[i]->GetFrameType() != EncodedFrame::OPUS_AUDIO_FRAME) {
LOG("[OggWriter] wrong encoded data type!");
return NS_ERROR_FAILURE;
}
nsresult rv = WriteEncodedData(aData.GetEncodedFrames()[i]->GetFrameData(),
aData.GetEncodedFrames()[i]->GetDuration(),
aFlags);
if (NS_FAILED(rv)) {
LOG("%p Failed to WriteEncodedTrack!", this);
return rv;
}
}
return NS_OK;
}