/// <summary>
/// Initializes static members of the <see cref="Utilities"/> class.
/// Initializes the <see cref="Utilities"/> class.
/// </summary>
static Utilities()
{
H264Frames = new ConcurrentDictionary <int, List <H264Frame> >();
foreach (var videoFormatEntry in Service.Instance.Configuration.H264FileLocations)
{
var videoFormat = videoFormatEntry.Value;
var fileReader = new H264FileReader(
videoFormatEntry.Key,
(uint)videoFormat.Width,
(uint)videoFormat.Height,
videoFormat.FrameRate);
var listOfFrames = new List <H264Frame>();
var totalNumberOfFrames = fileReader.GetTotalNumberOfFrames();
Trace.TraceInformation($"Found the fileReader for the format with id: {videoFormat.GetId()} and number of frames {totalNumberOfFrames}");
for (int i = 0; i < totalNumberOfFrames; i++)
{
H264Frame frame = new H264Frame();
fileReader.GetNextFrame(frame);
listOfFrames.Add(frame);
}
H264Frames.TryAdd(videoFormat.GetId(), listOfFrames);
}
}
/// <summary>
/// Initializes static members of the <see cref="Utilities"/> class.
/// Initializes the <see cref="Utilities"/> class.
/// </summary>
static Utilities()
{
H264Frames = new ConcurrentDictionary <int, List <H264Frame> >();
IDictionary <string, VideoFormat> H264FileLocations = new Dictionary <string, VideoFormat>();
H264FileLocations = new Dictionary <string, VideoFormat>();
H264FileLocations.Add("output720p.264", VideoFormat.H264_1280x720_30Fps);
H264FileLocations.Add("output180p.264", VideoFormat.H264_320x180_15Fps);
H264FileLocations.Add("output360p.264", VideoFormat.H264_640x360_30Fps);
H264FileLocations.Add("mle1080p15vbss_2500Kbps.264", VideoFormat.H264_1920x1080_15Fps);
foreach (var videoFormatEntry in H264FileLocations)
{
var videoFormat = videoFormatEntry.Value;
var fileReader = new H264FileReader(
videoFormatEntry.Key,
(uint)videoFormat.Width,
(uint)videoFormat.Height,
videoFormat.FrameRate);
var listOfFrames = new List <H264Frame>();
var totalNumberOfFrames = fileReader.GetTotalNumberOfFrames();
Trace.TraceInformation($"Found the fileReader for the format with id: {videoFormat.GetId()} and number of frames {totalNumberOfFrames}");
for (int i = 0; i < totalNumberOfFrames; i++)
{
H264Frame frame = new H264Frame();
fileReader.GetNextFrame(frame);
listOfFrames.Add(frame);
}
H264Frames.TryAdd(videoFormat.GetId(), listOfFrames);
}
}
public override Thread DecodingThread()
{
// Dequeue decoded frames
return(new Thread(() =>
{
while (true)
{
// Dequeue decoded Frames
int ret = DequeueDecodedFrame(out byte[][] yuvData,
out int[] lineSizes);
if (ret == 0)
{
FrameDecoded?.Invoke(new YUVFrame(yuvData, lineSizes));
}
// Enqueue encoded packet
H264Frame frame = null;
try
{
if (encodedDataQueue.Count > 0)
{
frame = encodedDataQueue.Dequeue();
if (frame != null)
{
EnqueuePacketForDecoding(frame.RawData);
}
}
}
catch (InvalidOperationException e)
{
Debug.WriteLine($"FFmpegVideo Loop: {e}");
}
}
}));
}
public void FeedVideoData(H264Frame data)
{
if (Initialized)
{
_videoQueue.PushFront(data.RawData);
}
else if (data.ContainsIFrame)
{
Initialize();
_videoQueue.PushFront(data.RawData);
}
}
public void ConsumeVideoData(Packets.VideoData data)
{
H264Frame frame = _videoAssembler.AssembleVideoFrame(data);
if (frame != null)
{
/* TODO: Use this.. on main thread
* if (_videoCodec == null &&
* (frame.PrimaryType == NalUnitType.SEQUENCE_PARAMETER_SET ||
* frame.PrimaryType == NalUnitType.PICTURE_PARAMETER_SET))
* {
* SetupVideo((int)_videoFormat.Width,
* (int)_videoFormat.Height,
* frame.GetSpsDataPrefixed(),
* frame.GetPpsDataPrefixed());
* }
* if (_videoCodec != null)
* {
* _videoFrameQueue.Enqueue(frame);
* }
*/
_videoFrameQueue.Enqueue(frame);
}
}
public void PushData(H264Frame data) => encodedDataQueue.Enqueue(data);