/// <summary>
/// Default constructor
/// </summary>
/// <param name="msd"></param>
public H264Parser(SampleBuffer outputBuffer, IContainerMetadata metadata, HLSStream hlsStream)
: base(outputBuffer, hlsStream)
{
string[] resolution = null;
string s;
if (metadata.Attributes != null &&
metadata.Attributes.TryGetValue(HLSPlaylistMetaKeys.Resolution, out s))
{
string[] components = s.Split(new char[] { 'x' });
if (components != null && components.Length == 2)
resolution = components;
}
if (resolution == null)
{
HLSTrace.WriteLine("Missing 'Resolution' tag in HLS MetaKeys, defaulting to the maximum supported resolution of 1280x720.");
resolution = new string[] { "1280", "720" };
}
Dictionary<MediaStreamAttributeKeys, string> streamAttributes = new Dictionary<MediaStreamAttributeKeys, string>();
streamAttributes[MediaStreamAttributeKeys.VideoFourCC] = "H264";
streamAttributes[MediaStreamAttributeKeys.Width] = resolution[0];
streamAttributes[MediaStreamAttributeKeys.Height] = resolution[1];
Description = new MediaStreamDescription(MediaStreamType.Video, streamAttributes);
}
/// <summary>
/// Constructor for pass-through reading without decrypting
/// </summary>
/// <param name="stream"></param>
public EncryptedStream(Stream stream, DateTime RequestStartTime, HttpWebResponse response, bool discontinuity, HLSStream hlsStream)
{
_stream = stream;
_response = response;
_discontinuity = discontinuity;
_hlsStream = hlsStream;
_requestStartTime = RequestStartTime;
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="msd"></param>
public ADTSParser(SampleBuffer outputBuffer, HLSStream hlsStream)
: base(outputBuffer, hlsStream)
{
_bitstream = new BitstreamReader();
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="stream"></param>
/// <param name="decryptor"></param>
/// <param name="bufferSize"></param>
public EncryptedStream(Stream stream, DateTime RequestStartTime, HttpWebResponse response, bool discontinuity, ICryptoTransform decryptor, int bufferSize, HLSStream hlsStream)
{
_stream = stream;
_response = response;
_discontinuity = discontinuity;
_decryptor = decryptor;
_hlsStream = hlsStream;
_requestStartTime = RequestStartTime;
if (decryptor != null)
{
bufferSize = (bufferSize/_decryptor.InputBlockSize + 2) * _decryptor.InputBlockSize;
_decryptBuffer = new byte[bufferSize];
_swapBuffer = new byte[bufferSize];
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="msd"></param>
public MediaFormatParser(SampleBuffer outputBuffer, HLSStream hlsStream)
{
_outputBuffer = outputBuffer;
_byteBuffer = new byte[InitialBufferSize];
_hlsStream = hlsStream;
}
public Sample AllocSample(long timestamp, long duration, uint bitrate, HLSStream hlsStream, int dataSize)
{
lock (this)
{
if (0 == _sampleWrapperPool.Count)
{
Sample sample = new Sample(timestamp, duration, bitrate, hlsStream, dataSize, _msd, this);
return sample;
}
else
{
Sample sample = _sampleWrapperPool.Dequeue();
sample.Reset(timestamp, duration, bitrate, hlsStream, dataSize, _msd, this);
return sample;
}
}
}
public void Reset(long timestamp, long duration, uint bitrate, HLSStream hlsStream, int dataSize, MediaStreamDescription msd, SampleBuffer buffer)
{
_timestamp = timestamp;
_duration = duration;
_bitrate = bitrate;
_hlsStream = hlsStream;
_msd = msd;
_isKeyFrame = false;
_adjustedTimeStamp = 0;
if (dataSize != -1 && null != buffer)
{
_dataItem = buffer.FIFOMemoryPool.Alloc(dataSize);
}
else
{
_dataItem = null;
}
_sampleBuffer = buffer;
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="timestamp"></param>
/// <param name="timestamp">Sample timestamp in HNS units</param>
/// <param name="duration">Sample duartion in HNS units</param>
/// <param name="bitrate">Bitrate of the stream that this sample was created from</param>
public Sample(long timestamp, long duration, uint bitrate, HLSStream hlsStream, int dataSize, MediaStreamDescription msd, SampleBuffer buffer)
{
if (null == _keyFrameAttr)
{
_keyFrameAttr = new Dictionary<MediaSampleAttributeKeys,string>();
_keyFrameAttr[MediaSampleAttributeKeys.KeyFrameFlag] = Boolean.TrueString;
}
if (null == _nonKeyFrameAttr)
{
_nonKeyFrameAttr = new Dictionary<MediaSampleAttributeKeys,string>();
_nonKeyFrameAttr[MediaSampleAttributeKeys.KeyFrameFlag] = Boolean.FalseString;
}
Reset(timestamp, duration, bitrate, hlsStream, dataSize, msd, buffer);
}
