internal VideoInfo(Interop.MediaInfoHandle handle) : base(handle)
{
IntPtr videoHandle = IntPtr.Zero;
try
{
Interop.MediaInfo.GetVideo(handle, out videoHandle).ThrowIfError("Failed to retrieve data");
Debug.Assert(videoHandle != IntPtr.Zero);
Album = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetAlbum);
Artist = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetArtist);
AlbumArtist = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetAlbumArtist);
Genre = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetGenre);
Composer = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetComposer);
Year = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetYear);
DateRecorded = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetRecordedDate);
Copyright = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetCopyright);
TrackNumber = InteropHelper.GetString(videoHandle, Interop.VideoInfo.GetTrackNum);
BitRate = InteropHelper.GetValue <int>(videoHandle, Interop.VideoInfo.GetBitRate);
Duration = InteropHelper.GetValue <int>(videoHandle, Interop.VideoInfo.GetDuration);
Width = InteropHelper.GetValue <int>(videoHandle, Interop.VideoInfo.GetWidth);
Height = InteropHelper.GetValue <int>(videoHandle, Interop.VideoInfo.GetHeight);
}
finally
{
Interop.VideoInfo.Destroy(videoHandle);
}
}
internal MediaInfo(Interop.MediaInfoHandle handle)
{
Id = InteropHelper.GetString(handle, Interop.MediaInfo.GetMediaId);
Path = InteropHelper.GetString(handle, Interop.MediaInfo.GetFilePath);
DisplayName = InteropHelper.GetString(handle, Interop.MediaInfo.GetDisplayName);
MediaType = InteropHelper.GetValue <MediaType>(handle, Interop.MediaInfo.GetMediaType);
MimeType = InteropHelper.GetString(handle, Interop.MediaInfo.GetMimeType);
FileSize = InteropHelper.GetValue <long>(handle, Interop.MediaInfo.GetSize);
DateAdded = InteropHelper.GetDateTime(handle, Interop.MediaInfo.GetAddedTime);
DateModified = InteropHelper.GetDateTime(handle, Interop.MediaInfo.GetModifiedTime);
Timeline = InteropHelper.GetDateTime(handle, Interop.MediaInfo.GetTimeline);
ThumbnailPath = InteropHelper.GetString(handle, Interop.MediaInfo.GetThumbnailPath, true);
Description = InteropHelper.GetString(handle, Interop.MediaInfo.GetDescription);
Longitude = InteropHelper.GetValue <double>(handle, Interop.MediaInfo.GetLongitude);
Latitude = InteropHelper.GetValue <double>(handle, Interop.MediaInfo.GetLatitude);
Altitude = InteropHelper.GetValue <double>(handle, Interop.MediaInfo.GetAltitude);
Rating = InteropHelper.GetValue <int>(handle, Interop.MediaInfo.GetRating);
IsFavorite = InteropHelper.GetValue <bool>(handle, Interop.MediaInfo.GetFavorite);
Title = InteropHelper.GetString(handle, Interop.MediaInfo.GetTitle);
StorageId = InteropHelper.GetString(handle, Interop.MediaInfo.GetStorageId);
IsDrm = InteropHelper.GetValue <bool>(handle, Interop.MediaInfo.IsDrm);
StorageType = InteropHelper.GetValue <StorageType>(handle, Interop.MediaInfo.GetStorageType);
}
internal ImageInfo(Interop.MediaInfoHandle handle) : base(handle)
{
IntPtr imageHandle = IntPtr.Zero;
try
{
Interop.MediaInfo.GetImage(handle, out imageHandle).ThrowIfError("Failed to retrieve data");
Debug.Assert(imageHandle != IntPtr.Zero);
Width = InteropHelper.GetValue <int>(imageHandle, Interop.ImageInfo.GetWidth);
Height = InteropHelper.GetValue <int>(imageHandle, Interop.ImageInfo.GetHeight);
Orientation = InteropHelper.GetValue <Orientation>(imageHandle, Interop.ImageInfo.GetOrientation);
DateTaken = InteropHelper.GetString(imageHandle, Interop.ImageInfo.GetDateTaken);
ExposureTime = InteropHelper.GetString(imageHandle, Interop.ImageInfo.GetExposureTime);
FNumber = InteropHelper.GetValue <double>(imageHandle, Interop.ImageInfo.GetFNumber);
Iso = InteropHelper.GetValue <int>(imageHandle, Interop.ImageInfo.GetISO);
Model = InteropHelper.GetString(imageHandle, Interop.ImageInfo.GetModel);
}
finally
{
Interop.ImageInfo.Destroy(imageHandle);
}
}
internal static TValue GetValue<TValue>(Interop.MediaInfoHandle handle,
GetValueFunc<Interop.MediaInfoHandle, TValue> func)
{
func(handle, out var val).ThrowIfError("Failed to get value");
return val;
}
internal static MediaInfo FromHandle(Interop.MediaInfoHandle handle)
{
if (handle == null || handle.IsInvalid)
{
return(null);
}
var type = InteropHelper.GetValue <MediaType>(handle, Interop.MediaInfo.GetMediaType);
switch (type)
{
case MediaType.Image:
return(new ImageInfo(handle));
case MediaType.Music:
case MediaType.Sound:
return(new AudioInfo(handle));
case MediaType.Video:
return(new VideoInfo(handle));
case MediaType.Book:
return(new BookInfo(handle));
}
return(new MediaInfo(handle));
}
internal AudioInfo(Interop.MediaInfoHandle handle) : base(handle)
{
IntPtr audioHandle = IntPtr.Zero;
try
{
Interop.MediaInfo.GetAudio(handle, out audioHandle).ThrowIfError("Failed to retrieve data");
Debug.Assert(audioHandle != IntPtr.Zero);
Album = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetAlbum);
Artist = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetArtist);
AlbumArtist = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetAlbumArtist);
Genre = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetGenre);
Composer = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetComposer);
Year = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetYear);
DateRecorded = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetRecordedDate);
Copyright = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetCopyright);
TrackNumber = InteropHelper.GetString(audioHandle, Interop.AudioInfo.GetTrackNum);
BitRate = InteropHelper.GetValue <int>(audioHandle, Interop.AudioInfo.GetBitRate);
BitPerSample = InteropHelper.GetValue <int>(audioHandle, Interop.AudioInfo.GetBitPerSample);
SampleRate = InteropHelper.GetValue <int>(audioHandle, Interop.AudioInfo.GetSampleRate);
Channels = InteropHelper.GetValue <int>(audioHandle, Interop.AudioInfo.GetChannel);
Duration = InteropHelper.GetValue <int>(audioHandle, Interop.AudioInfo.GetDuration);
}
finally
{
Interop.AudioInfo.Destroy(audioHandle);
}
}
internal static MediaInfo FromHandle(IntPtr handle)
{
var safeHandle = new Interop.MediaInfoHandle(handle);
try
{
return(FromHandle(safeHandle));
}
finally
{
safeHandle.SetHandleAsInvalid();
}
}
internal BookInfo(Interop.MediaInfoHandle handle) : base(handle)
{
IntPtr bookHandle = IntPtr.Zero;
try
{
Interop.MediaInfo.GetBook(handle, out bookHandle).ThrowIfError("Failed to retrieve data");
Debug.Assert(bookHandle != IntPtr.Zero);
Subject = InteropHelper.GetString(bookHandle, Interop.BookInfo.GetSubject);
Author = InteropHelper.GetString(bookHandle, Interop.BookInfo.GetAuthor);
DatePublished = InteropHelper.GetString(bookHandle, Interop.BookInfo.GetDate);
Publisher = InteropHelper.GetString(bookHandle, Interop.BookInfo.GetPublisher);
}
finally
{
Interop.BookInfo.Destroy(bookHandle).ThrowIfError("Failed to destroy book handle");
}
}
