public void Play(int projectId)
{
var video = dispatcher.Dispatch(VideoActions.GetVideoForProject(projectId));
Guard.This(video).AgainstDefaultValue("No video found for project");
mp3Player = new Mp3AudioPlayer();
mp3Player.Load(video.AudioFilePath);
var appPreferences = dispatcher.Dispatch(AppPreferencesActions.GetAppPreferences());
var startTime = DateTime.Now.AddMilliseconds(appPreferences.PlaybackBuffer);
foreach (var devicePlayback in devicePlaybacks)
{
devicePlayback.Client.PlayVideo(devicePlayback.ProjectDeviceId,
new Pi.Api.ApiRequests.PlayVideoRequest
{
PlayAt = startTime,
TimeReferenceUrl = string.Format("http://{0}:8001/api/time", GetTimeReferenceHost(devicePlayback.Client))
});
}
while (DateTime.Now.CompareTo(startTime.AddMilliseconds(-20)) < 0)
{
continue;
}
mp3Player.Play();
}
public void LoadAudio(int projectId)
{
var video = dispatcher.Dispatch(VideoActions.GetVideoForProject(projectId));
Guard.This(video).AgainstDefaultValue("Could not find video for project");
if (audioTrack == null || audioTrack.AudioFilePath != video.FilePath)
{
audioTrack = AudioTrack.FromAudioFile(video.AudioFilePath);
}
}
public GlobalJsonResult <VideoMetadataResponse> GetProjectVideoMetadata(int projectId)
{
var video = dispatcher.Dispatch(VideoActions.GetVideoForProject(projectId));
Guard.This(video).AgainstDefaultValue(string.Format("No video exists for project with id {0}", projectId));
Guard.This(video.FilePath).WithRule(path => File.Exists(path), string.Format("Video {0} does not exist", video.FilePath));
videoFileReader.Open(video.FilePath);
var result = new VideoMetadataResponse();
result.Populate(videoFileReader);
return(GlobalJsonResult <VideoMetadataResponse> .Success(System.Net.HttpStatusCode.OK, result));
}
public VideoMetadata StartReadingVideo(int projectId, int projectDeviceId)
{
var project = dispatcher.Dispatch(ProjectActions.GetProject(projectId));
Guard.This(project).AgainstDefaultValue(string.Format("Could not find project with project id '{0}'", projectId));
var video = dispatcher.Dispatch(VideoActions.GetVideoForProject(projectId));
Guard.This(video).AgainstDefaultValue(string.Format("Could not find video for project '{0}' (id '{1}')", project.Name, project.Id));
var projectDeviceVersion = dispatcher.Dispatch(ProjectDeviceActions.GetLatestProjectDeviceVersion(projectDeviceId));
Guard.This(projectDeviceVersion).AgainstDefaultValue(string.Format("Could not get latest project device version for project '{0}' (id '{1}')", project.Name, project.Id));
reader = videoFileReader();
reader.Open(video.FilePath);
framesRead = 0;
framesToRead = reader.FrameCount;
this.videoReference = video;
this.projectDeviceVersion = projectDeviceVersion;
return(new VideoMetadata(reader.FrameCount, reader.FrameRate));
}
public void ProcessProjectDeviceVersion(BackgroundJob job)
{
var projectDeviceVersion = dispatcher.Dispatch(ProjectDeviceActions.GetProjectDeviceVersion(job.ProjectDeviceVersionId));
Guard.This(projectDeviceVersion).AgainstDefaultValue(string.Format("Could not find project device version '{0}'", job.ProjectDeviceVersionId));
var device = dispatcher.Dispatch(DeviceActions.GetProjectDevice(projectDeviceVersion.ProjectDeviceId));
Guard.This(device).AgainstDefaultValue(string.Format("Could not find project device with project device Id '{0}'", projectDeviceVersion.ProjectDeviceId));
Guard.This(device).WithRule(d => deviceStatusService.IsOnline(device), string.Format("Device {0} (with IP Address {1}) is not online", device.Name, device.IpAddress));
var project = dispatcher.Dispatch(ProjectActions.GetProjectFromProjectDevice(projectDeviceVersion.ProjectDeviceId));
Guard.This(project).AgainstDefaultValue(string.Format("Could not find project from project device with id '{0}'", projectDeviceVersion.ProjectDeviceId));
var video = dispatcher.Dispatch(VideoActions.GetVideoForProject(project.Id));
Guard.This(video).AgainstDefaultValue(string.Format("Could not find video for project '{0}'", project.Name));
using (var videoProcessor = videoProcessorInstantiator())
{
var videoMetadata = videoProcessor.StartReadingVideo(project.Id, projectDeviceVersion.ProjectDeviceId);
var client = piClientFactory.ForDevice(device);
// Update video metadata (use project device id instead of video id with client (could have the same video in multiple configurations)
var existingVideosOnPi = client.GetAllVideoMetadata();
var existingVideoOnPi = existingVideosOnPi.SingleOrDefault(v => v.Id == projectDeviceVersion.ProjectDeviceId);
if (existingVideoOnPi == null)
{
client.CreateVideoMetadata(new VideoMetadataCreateRequest
{
Id = projectDeviceVersion.ProjectDeviceId,
FileName = video.FilePath,
FrameRate = videoMetadata.FrameRate
});
}
else
{
client.UpdateVideoMetadata(new VideoMetadataPutRequest
{
Id = projectDeviceVersion.ProjectDeviceId,
FileName = video.FilePath,
FrameRate = videoMetadata.FrameRate,
});
}
// Clear, then send frames to Pi
client.ClearFrames(projectDeviceVersion.ProjectDeviceId);
int framePosition = 1;
while (true)
{
var read = videoProcessor.ReadNext1000Frames();
client.SendFrames(projectDeviceVersion.ProjectDeviceId, new AppendFramesRequest
{
AppendFrameRequests = read.Frames
.Select(f => new AppendFrameRequest {
BinaryData = f, Position = framePosition
})
.ToArray()
});
dispatcher.Dispatch(BackgroundJobActions.MarkPercentageCompletion(job.Id, read.PercentageComplete));
if (!read.MoreFrames)
{
break;
}
framePosition++;
}
}
}
public GlobalJsonResult <VideoReference> GetProjectVideo(int projectId)
{
var result = dispatcher.Dispatch(VideoActions.GetVideoForProject(projectId));
return(GlobalJsonResult <VideoReference> .Success(System.Net.HttpStatusCode.OK, result));
}