/// <summary>
/// Default constructor.
/// For writing to a QBox file.
/// </summary>
public QBoxTrackFormat()
{
firstQB = null;
audioMetaSample = null;
videoMetaSample = null;
DurationIn100NanoSecs = 0;
}
/// <summary>
/// Constructor accepting a list of qboxes as input.
/// (For reading a QBox file.)
/// FIXME: we need to pick up the rest of the tracks (other than the first one)
/// </summary>
/// <param name="qboxes"></param>
public QBoxTrackFormat(List <QBox> qboxes, ushort trackID, MediaTimeUtils mediaTime)
: this()
{
_qBoxes = new List <QBox>();
qboxes.ForEach(delegate(QBox q) { if (q.mSampleStreamId == trackID)
{
_qBoxes.Add(q);
}
});
if (_qBoxes.Count == 0)
{
throw new Exception(string.Format("There is no track with ID = {0}", trackID));
}
_mediaTime = mediaTime;
HasIFrameBoxes = _qBoxes.Any(box => (((uint)box.mSampleFlags & QBox.QBOX_SAMPLE_FLAGS_SYNC_POINT) != 0));
firstQB = _qBoxes[0];
if (firstQB.mSampleStreamType == QBox.QBOX_SAMPLE_TYPE_H264)
{
Codec = new Codec(CodecTypes.Video);
firstQB = _qBoxes.First(q => ((q.mSampleFlags & QBox.QBOX_SAMPLE_FLAGS_CONFIGURATION_INFO) != 0u));
if (firstQB.mSample.v != null)
{
this.videoMetaSample = firstQB.mSample;
seqParamSetData = firstQB.mSample.v.sps;
picParamSetData = firstQB.mSample.v.pps;
Codec.PrivateCodecData = this.VideoCodecPrivateData;
}
else
{
Codec.PrivateCodecData = ToHexString(firstQB.mSample.privateCodecData);
}
}
else if (firstQB.mSampleStreamType == QBox.QBOX_SAMPLE_TYPE_AAC)
{
Codec = new Codec(CodecTypes.Audio);
firstQB =
_qBoxes.First(q => ((q.mSample.a != null) && ((q.mSampleFlags & QBox.QBOX_SAMPLE_FLAGS_META_INFO) != 0u)) ||
((q.mSample.qmed != null) && ((q.mSampleFlags & QBox.QBOX_SAMPLE_FLAGS_QMED_PRESENT) != 0u)));
this.audioMetaSample = firstQB.mSample;
if (audioMetaSample.privateCodecData != null)
{
Codec.PrivateCodecData = ToHexString(audioMetaSample.privateCodecData);
}
else
{
#if USE_WAVEFORMATEX
GetAudioPrivateCodecDataFromWaveFormatEx();
#else
GetAudioPrivateCodecDataAdHoc();
#endif
}
}
else if (firstQB.mSampleStreamType == QBox.QBOX_SAMPLE_TYPE_JPEG)
{
Codec = new Codec(CodecTypes.Video);
if (firstQB.mSample.privateCodecData != null)
{
Codec.PrivateCodecData = ToHexString(firstQB.mSample.privateCodecData);
}
}
else
{
throw new Exception(string.Format("QBox sample type not implemented: {0}", firstQB.mSampleStreamType));
}
}
