/// <summary>
/// This must be called from main ui thread only...
/// </summary>
/// <param name="context"></param>
/// <param name="cmd"></param>
/// <param name="logger"></param>
/// <returns></returns>
public static async Task <int> Run(Context context, string cmd, Action <string> logger = null)
{
try
{
TaskCompletionSource <int> source = new TaskCompletionSource <int>();
await Init(context);
if (!_initialized)
{
if (!_ffmpegFile.Exists())
{
ResultString = "Ffmpeg missing";
}
else if (!_ffmpegFile.CanExecute())
{
ResultString = "Ffmpeg cant execute";
}
source.SetResult(-1);
return(await source.Task);
}
await Task.Run(() =>
{
try
{
int n = _Run(context, cmd, logger);
source.SetResult(n);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
source.SetException(ex);
}
});
return(await source.Task);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
throw ex;
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public static async Task Init(Context context, string cdn = null, string downloadTitle = null, string downloadMessage = null)
{
ResultString = "init " + _initialized;
if (_initialized)
{
return;
}
var filesDir = context.FilesDir;
_ffmpegFile = new Java.IO.File(filesDir + "/ffmpeg");
if (_ffmpegFile.Exists() && _ffmpegFile.CanExecute())
{
_initialized = true;
return;
}
copyAssets(context);
if (_ffmpegFile.Exists())
{
_initialized = true;
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public async Task Init(Context context, string cdn = null, string downloadTitle = null, string downloadMessage = null)
{
if (_initialized)
{
return;
}
var filesDir = context.FilesDir;
_ffmpegFile = new Java.IO.File(filesDir + "/ffmpeg");
if (_ffmpegFile.Exists() && _ffmpegFile.CanExecute())
{
_initialized = true;
return;
}
copyAssets(context);
if (_ffmpegFile.Exists())
{
_initialized = true;
}
return;
if (cdn != null)
{
CDNHost = cdn;
}
// do all initialization...
_ffmpegFile = new Java.IO.File(filesDir + "/ffmpeg");
FFMpegSource source = FFMpegSource.Get();
await Task.Run(() =>
{
if (_ffmpegFile.Exists() && _ffmpegFile.Length() > 15413150)
{
try
{
//if (source.IsHashMatch(System.IO.File.ReadAllBytes(_ffmpegFile.CanonicalPath)))
{
if (!_ffmpegFile.CanExecute())
{
_ffmpegFile.SetExecutable(true);
}
_initialized = true;
return;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($" Error validating file {ex}");
}
// file is not same...
// delete the file...
if (_ffmpegFile.CanExecute())
{
_ffmpegFile.SetExecutable(false);
}
_ffmpegFile.Delete();
System.Diagnostics.Debug.WriteLine($"ffmpeg file deleted at {_ffmpegFile.AbsolutePath}");
}
});
if (_initialized)
{
// ffmpeg file exists...
return;
}
if (_ffmpegFile.Exists())
{
_ffmpegFile.Delete();
}
// lets try to download
var dialog = new ProgressDialog(context);
dialog.SetTitle(downloadMessage ?? "Downloading Video Converter");
//dlg.SetMessage(downloadMessage ?? "Downloading Video Converter");
dialog.Indeterminate = false;
dialog.SetProgressStyle(ProgressDialogStyle.Horizontal);
dialog.SetCancelable(false);
dialog.CancelEvent += (s, e) =>
{
};
dialog.SetCanceledOnTouchOutside(false);
dialog.Show();
using (var c = new System.Net.Http.HttpClient())
{
using (var fout = System.IO.File.OpenWrite(_ffmpegFile.AbsolutePath))
{
string url = source.Url;
var g = new System.Net.Http.HttpRequestMessage(System.Net.Http.HttpMethod.Get, url);
var h = await c.SendAsync(g, System.Net.Http.HttpCompletionOption.ResponseHeadersRead);
var buffer = new byte[51200];
var s = await h.Content.ReadAsStreamAsync();
long total = h.Content.Headers.ContentLength.GetValueOrDefault();
IEnumerable <string> sl;
if (h.Headers.TryGetValues("Content-Length", out sl))
{
if (total == 0 && sl.Any())
{
long.TryParse(sl.FirstOrDefault(), out total);
}
}
int count = 0;
int progress = 0;
dialog.Max = (int)total;
while ((count = await s.ReadAsync(buffer, 0, buffer.Length)) > 0)
{
await fout.WriteAsync(buffer, 0, count);
progress += count;
//System.Diagnostics.Debug.WriteLine($"Downloaded {progress} of {total} from {url}");
dialog.Progress = progress;
}
dialog.Hide();
}
}
System.Diagnostics.Debug.WriteLine($"ffmpeg file copied at {_ffmpegFile.AbsolutePath}");
if (!_ffmpegFile.CanExecute())
{
_ffmpegFile.SetExecutable(true);
System.Diagnostics.Debug.WriteLine($"ffmpeg file made executable");
}
_initialized = true;
}
