/// <summary>
/// Computes a new size by keeping the width the same and resizing the height to fit the provided aspect ratio
/// type.
/// </summary>
/// <param name="videoAspectRatioType">The aspect ratio type that bounds the height.</param>
/// <param name="currentSize">The current size of the video.</param>
/// <returns>A new size with the same width but a new height that conforms to the provided aspect
/// ratio type.</returns>
public static Size ResizeHeightToAspectRatio(VideoAspectRatioType videoAspectRatioType, Size currentSize)
{
if (videoAspectRatioType == VideoAspectRatioType.Unknown)
{
throw new ArgumentException("videoAspectRatioType cannot be VideoAspectRatioType.Unknown");
}
return(ResizeHeightToAspectRatio(
videoAspectRatioType == VideoAspectRatioType.Standard ? StandardAspectRatio : WidescreenAspectRatio,
currentSize));
}
/// <summary>
/// Computes a new size by keeping the width the same and resizing the height to fit the provided aspect ratio
/// type.
/// </summary>
/// <param name="videoAspectRatioType">The aspect ratio type that bounds the height.</param>
/// <param name="currentSize">The current size of the video.</param>
/// <returns>A new size with the same width but a new height that conforms to the provided aspect
/// ratio type.</returns>
public static Size ResizeHeightToAspectRatio(VideoAspectRatioType videoAspectRatioType, Size currentSize)
{
if (videoAspectRatioType == VideoAspectRatioType.Unknown)
{
throw new ArgumentException("videoAspectRatioType cannot be VideoAspectRatioType.Unknown");
}
return ResizeHeightToAspectRatio(
videoAspectRatioType == VideoAspectRatioType.Standard ? StandardAspectRatio : WidescreenAspectRatio,
currentSize);
}
private void VideoAspectRatio_Execute(object sender, EventArgs e)
{
Command commandExecuted = (Command)sender;
VideoAspectRatioType newAspectRatioType = (VideoAspectRatioType)commandExecuted.Tag;
if (_VideoContent.AspectRatioType != newAspectRatioType)
{
_VideoContent.AspectRatioType = newAspectRatioType;
OnContentEdited();
}
UpdateAspectRatio();
}
public Video(string id, string url, string embed, string editorFormat, VideoProvider provider, int width, int height, VideoAspectRatioType aspectRatioType)
{
_id = id;
_url = url;
_embed = embed;
_provider = provider;
_width = width;
_height = height;
_editorFormat = editorFormat;
AspectRatioType = aspectRatioType;
if (AspectRatioType != VideoAspectRatioType.Unknown)
{
_height = VideoAspectRatioHelper.ResizeHeightToAspectRatio(AspectRatioType, new Size(width, height)).Height;
}
}
public Video(string id, string url, string embed, string editorFormat, VideoProvider provider, int width, int height, VideoAspectRatioType aspectRatioType)
{
_id = id;
_url = url;
_embed = embed;
_provider = provider;
_width = width;
_height = height;
_editorFormat = editorFormat;
AspectRatioType = aspectRatioType;
if (AspectRatioType != VideoAspectRatioType.Unknown)
{
_height = VideoAspectRatioHelper.ResizeHeightToAspectRatio(AspectRatioType, new Size(width, height)).Height;
}
}
#pragma warning restore 414
/// <summary>
/// Constructs a <see cref="VideoTrack" /> parsing from provided
/// file data.
/// Parsing will be done reading from _file at position references by
/// parent element's data section.
/// </summary>
/// <param name="_file"><see cref="File" /> instance to read from.</param>
/// <param name="element">Parent <see cref="EBMLreader" />.</param>
public VideoTrack(File _file, EBMLreader element)
: base(_file, element)
{
MatroskaID matroska_id;
// Here we handle the unknown elements we know, and store the rest
foreach (var elem in base.UnknownElements)
{
matroska_id = elem.ID;
switch (matroska_id)
{
case MatroskaID.TrackVideo:
{
ulong i = 0;
while (i < elem.DataSize)
{
var child = new EBMLreader(_file, elem.DataOffset + i);
matroska_id = child.ID;
switch (matroska_id)
{
case MatroskaID.VideoDisplayWidth:
disp_width = child.ReadULong();
break;
case MatroskaID.VideoDisplayHeight:
disp_height = child.ReadULong();
break;
case MatroskaID.VideoPixelWidth:
width = child.ReadULong();
break;
case MatroskaID.VideoPixelHeight:
height = child.ReadULong();
break;
case MatroskaID.VideoFrameRate:
framerate = child.ReadDouble();
break;
case MatroskaID.VideoFlagInterlaced:
interlaced = child.ReadBool();
break;
case MatroskaID.VideoAspectRatioType:
ratio_type = (VideoAspectRatioType)child.ReadULong();
break;
case MatroskaID.VideoColourSpace:
fourcc = child.ReadBytes();
break;
default:
UnknownElements.Add(child);
break;
}
i += child.Size;
}
break;
}
case MatroskaID.TrackDefaultDuration:
var tmp = elem.ReadULong();
framerate = 1000000000.0 / tmp;
break;
default:
UnknownElements.Add(elem);
break;
}
}
}
/// <summary>
/// Constructs a <see cref="VideoTrack" /> parsing from provided
/// file data.
/// Parsing will be done reading from _file at position references by
/// parent element's data section.
/// </summary>
/// <param name="_file"><see cref="File" /> instance to read from.</param>
/// <param name="element">Parent <see cref="EBMLElement" />.</param>
public VideoTrack (File _file, EBMLElement element)
: base (_file, element)
{
MatroskaID matroska_id;
// Here we handle the unknown elements we know, and store the rest
foreach (EBMLElement elem in base.UnknownElements) {
matroska_id = (MatroskaID) elem.ID;
if (matroska_id == MatroskaID.MatroskaTrackVideo) {
ulong i = 0;
while (i < elem.DataSize) {
EBMLElement child = new EBMLElement (_file, elem.DataOffset + i);
matroska_id = (MatroskaID) child.ID;
switch (matroska_id) {
case MatroskaID.MatroskaVideoDisplayWidth:
disp_width = child.ReadUInt ();
break;
case MatroskaID.MatroskaVideoDisplayHeight:
disp_height = child.ReadUInt ();
break;
case MatroskaID.MatroskaVideoPixelWidth:
width = child.ReadUInt ();
break;
case MatroskaID.MatroskaVideoPixelHeight:
height = child.ReadUInt ();
break;
case MatroskaID.MatroskaVideoFrameRate:
framerate = child.ReadDouble ();
break;
case MatroskaID.MatroskaVideoFlagInterlaced:
interlaced = child.ReadBool ();
break;
case MatroskaID.MatroskaVideoAspectRatioType:
ratio_type = (VideoAspectRatioType) child.ReadUInt ();
break;
case MatroskaID.MatroskaVideoColourSpace:
fourcc = child.ReadBytes ();
break;
default:
unknown_elems.Add (child);
break;
}
i += child.Size;
}
}
else if (matroska_id == MatroskaID.MatroskaTrackDefaultDuration) {
uint tmp = elem.ReadUInt ();
framerate = 1000000000.0 / (double) tmp;
}
else {
unknown_elems.Add (elem);
}
}
}
/// <summary>
/// Constructs a <see cref="VideoTrack" /> parsing from provided
/// file data.
/// Parsing will be done reading from _file at position references by
/// parent element's data section.
/// </summary>
/// <param name="_file"><see cref="File" /> instance to read from.</param>
/// <param name="element">Parent <see cref="EBMLElement" />.</param>
public VideoTrack(File _file, EBMLElement element)
: base(_file, element)
{
MatroskaID matroska_id;
// Here we handle the unknown elements we know, and store the rest
foreach (EBMLElement elem in base.UnknownElements)
{
matroska_id = (MatroskaID)elem.ID;
if (matroska_id == MatroskaID.MatroskaTrackVideo)
{
ulong i = 0;
while (i < elem.DataSize)
{
EBMLElement child = new EBMLElement(_file, elem.DataOffset + i);
matroska_id = (MatroskaID)child.ID;
switch (matroska_id)
{
case MatroskaID.MatroskaVideoDisplayWidth:
disp_width = child.ReadUInt();
break;
case MatroskaID.MatroskaVideoDisplayHeight:
disp_height = child.ReadUInt();
break;
case MatroskaID.MatroskaVideoPixelWidth:
width = child.ReadUInt();
break;
case MatroskaID.MatroskaVideoPixelHeight:
height = child.ReadUInt();
break;
case MatroskaID.MatroskaVideoFrameRate:
framerate = child.ReadDouble();
break;
case MatroskaID.MatroskaVideoFlagInterlaced:
interlaced = child.ReadBool();
break;
case MatroskaID.MatroskaVideoAspectRatioType:
ratio_type = (VideoAspectRatioType)child.ReadUInt();
break;
case MatroskaID.MatroskaVideoColourSpace:
fourcc = child.ReadBytes();
break;
default:
unknown_elems.Add(child);
break;
}
i += child.Size;
}
}
else if (matroska_id == MatroskaID.MatroskaTrackDefaultDuration)
{
uint tmp = elem.ReadUInt();
framerate = 1000000000.0 / (double)tmp;
}
else
{
unknown_elems.Add(elem);
}
}
}
