void
nsSpeechTask::SendAudioImpl(nsRefPtr<mozilla::SharedBuffer>& aSamples, uint32_t aDataLen)
{
if (aDataLen == 0) {
mStream->EndAllTrackAndFinish();
return;
}
AudioSegment segment;
nsAutoTArray<const int16_t*, 1> channelData;
channelData.AppendElement(static_cast<int16_t*>(aSamples->Data()));
segment.AppendFrames(aSamples.forget(), channelData, aDataLen);
mStream->AppendToTrack(1, &segment);
mStream->AdvanceKnownTracksTime(STREAM_TIME_MAX);
}
bool
IntelWebMVideoDecoder::Demux(nsRefPtr<VP8Sample>& aSample, bool* aEOS)
{
nsRefPtr<NesteggPacketHolder> holder(mReader->NextPacket(WebMReader::VIDEO));
if (!holder) {
return false;
}
nestegg_packet* packet = holder->Packet();
unsigned int track = 0;
int r = nestegg_packet_track(packet, &track);
if (r == -1) {
return false;
}
unsigned int count = 0;
r = nestegg_packet_count(packet, &count);
if (r == -1) {
return false;
}
if (count > 1) {
NS_WARNING("Packet contains more than one video frame");
return false;
}
int64_t tstamp = holder->Timestamp();
// The end time of this frame is the start time of the next frame. Fetch
// the timestamp of the next packet for this track. If we've reached the
// end of the resource, use the file's duration as the end time of this
// video frame.
int64_t next_tstamp = 0;
nsRefPtr<NesteggPacketHolder> next_holder(mReader->NextPacket(WebMReader::VIDEO));
if (next_holder) {
next_tstamp = holder->Timestamp();
mReader->PushVideoPacket(next_holder);
} else {
next_tstamp = tstamp;
next_tstamp += tstamp - mReader->GetLastVideoFrameTime();
}
mReader->SetLastVideoFrameTime(tstamp);
unsigned char* data;
size_t length;
r = nestegg_packet_data(packet, 0, &data, &length);
if (r == -1) {
return false;
}
vpx_codec_stream_info_t si;
PodZero(&si);
si.sz = sizeof(si);
if (mReader->GetVideoCodec() == NESTEGG_CODEC_VP8) {
vpx_codec_peek_stream_info(vpx_codec_vp8_dx(), data, length, &si);
} else if (mReader->GetVideoCodec() == NESTEGG_CODEC_VP9) {
vpx_codec_peek_stream_info(vpx_codec_vp9_dx(), data, length, &si);
}
MOZ_ASSERT(mPlatform && mMediaDataDecoder);
aSample = new VP8Sample(tstamp,
next_tstamp - tstamp,
0,
data,
length,
si.is_kf);
if (!aSample->Data()) {
return false;
}
return true;
}
