public MemoryStream CompressVideo( string sourceFilePath, string destinationFilePath, bool deleteSourceFile )
{
if (sourceFilePath == null || destinationFilePath == null)
return null;
MediaMetadataRetriever media = new MediaMetadataRetriever ();
media.SetDataSource ( sourceFilePath );
string videoRotation = media.ExtractMetadata ( MetadataKey.VideoRotation );
XamarinAndroidFFmpeg.FFMpeg ffmpeg = new FFMpeg ( MainApplication.Context, App.DownloadsPath);
var onComplete = new MyCommand ((_) =>
{
});
var onMessage = new MyCommand ((message) =>
{
System.Diagnostics.Debug.WriteLine( "---" + message);
});
if (videoRotation != null && videoRotation == "90")
{
string[] cmds = new string[]
{
"-i",
sourceFilePath,
"-vcodec",
"mpeg4",
"-acodec",
"aac",
"-strict",
"-2",
"-ac",
"1",
"-ar",
"16000",
"-r",
"13",
"-ab",
"32000",
"-vf",
"transpose=1",
"-y",
destinationFilePath
};
var callbacks = new FFMpegCallbacks (onComplete, onMessage);
ffmpeg.Execute (cmds, callbacks);
}
else
{
string[] cmds = new string[]
{
"-i",
sourceFilePath,
"-vcodec",
"mpeg4",
"-acodec",
"aac",
"-strict",
"-2",
"-ac",
"1",
"-ar",
"16000",
"-r",
"13",
"-ab",
"32000",
"-y",
destinationFilePath
};
var callbacks = new FFMpegCallbacks (onComplete, onMessage);
ffmpeg.Execute (cmds, callbacks);
}
if (deleteSourceFile)
{
Java.IO.File toDel = new Java.IO.File ( sourceFilePath );
toDel.Delete ();
}
MemoryStream ms = new MemoryStream();
FileStream file = new FileStream( destinationFilePath, FileMode.Open, FileAccess.Read);
file.CopyTo ( ms );
file.Close();
return ms;
}
public MemoryStream CreateVideoThumbnail ( string inputVideoPath, string outputImagePath )
{
MediaMetadataRetriever media = new MediaMetadataRetriever ();
media.SetDataSource ( inputVideoPath );
string videoRotation = media.ExtractMetadata ( MetadataKey.VideoRotation );
XamarinAndroidFFmpeg.FFMpeg ffmpeg = new FFMpeg ( MainApplication.Context, App.DownloadsPath);
var onComplete = new MyCommand ((_) =>
{
});
var onMessage = new MyCommand ((message) =>
{
System.Diagnostics.Debug.WriteLine( "---" + message);
});
var callbacks = new FFMpegCallbacks (onComplete, onMessage);
if (videoRotation != null && videoRotation == "90")
{
string[] cmds = new string[] {
"-i",
inputVideoPath,
"-ss",
"00:00:01.000",
"-vf",
"transpose=1",
outputImagePath
};
ffmpeg.Execute (cmds, callbacks);
}
else
{
string[] cmds = new string[]
{
"-i",
inputVideoPath,
"-ss",
"00:00:01.000",
outputImagePath
};
ffmpeg.Execute (cmds, callbacks);
}
MemoryStream ms = new MemoryStream ();
FileStream stream = new FileStream (outputImagePath, FileMode.Open);
stream.CopyTo (ms);
return ms;
}
