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Allow OCR of XML/PNG from MXF - thx Rodney :)

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This commit is contained in:
niksedk 2023-06-27 17:50:17 +02:00
parent 16eec09a1d
commit 9db957027d
3 changed files with 29 additions and 8 deletions
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1
Changelog.txt
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@ -7,6 +7,7 @@
* Add video format ProRes for "Generate video with burned-in sub"
* Allow setting profile from cmd line - thx emcodem
* ASSA set layer - thx JonSchram
* Allow OCR of XML/PNG from MXF - thx Rodney
* IMPROVED:
* Update German translation - thx Netspark
* Update Chinese translation - thx nkh0472

24
src/libse/ContainerFormats/MaterialExchangeFormat/MxfParser.cs
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@ -10,10 +10,11 @@ namespace Nikse.SubtitleEdit.Core.ContainerFormats.MaterialExchangeFormat
public bool IsValid { get; private set; }
private readonly List<string> _subtitleList = new List<string>();
public List<string> GetSubtitles()
{
return _subtitleList;
}
private readonly List<byte[]> _images = new List<byte[]>();
public List<string> GetSubtitles() => _subtitleList;
public List<byte[]> GetImages() => _images;
private long _startPosition;
@ -49,8 +50,15 @@ namespace Nikse.SubtitleEdit.Core.ContainerFormats.MaterialExchangeFormat
{
stream.Seek(klv.DataPosition, SeekOrigin.Begin);
var buffer = new byte[klv.DataSize];
stream.Read(buffer, 0, buffer.Length);
if (buffer.Length >= 12)
var bytesRead = stream.Read(buffer, 0, buffer.Length);
if (buffer[0] == 0x89 && buffer[1] == 0x50 && buffer[2] == 0x4E && buffer[3] == 0x47) // PNG header
{
_images.Add(buffer);
continue;
}
if (buffer.Length >= 12 && bytesRead >= 12)
{
string s;
if (buffer[0] == 0xef && buffer[1] == 0xbb && buffer[2] == 0xbf)
@ -88,7 +96,7 @@ namespace Nikse.SubtitleEdit.Core.ContainerFormats.MaterialExchangeFormat
}
}
private bool IsSubtitle(string s)
private static bool IsSubtitle(string s)
{
if (s.Contains("\0"))
{
@ -115,7 +123,7 @@ namespace Nikse.SubtitleEdit.Core.ContainerFormats.MaterialExchangeFormat
}
_startPosition = 0;
for (int i = 0; i < count - 11; i++)
for (var i = 0; i < count - 11; i++)
{
//Header Partition PackId = 06 0E 2B 34 02 05 01 01 0D 01 02
if (buffer[i + 00] == 0x06 && // OID

12
src/ui/Forms/Main.cs
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@ -2924,6 +2924,18 @@ namespace Nikse.SubtitleEdit.Forms
_converted = true;
ShowStatus(string.Format(_language.LoadedSubtitleX, _fileName) + " - " + string.Format(_language.ConvertedToX, mxfFormat.FriendlyName));
var images = parser.GetImages();
if (images.Count > 0 && images.Count == _subtitle.Paragraphs.Count && _subtitle.Paragraphs[0].Text.StartsWith("urn:uuid:", StringComparison.Ordinal))
{
for (var j = 0; j < images.Count; j++)
{
_subtitle.Paragraphs[j].Text = Convert.ToBase64String(images[j]);
}
ImportAndInlineBase64(_subtitle, _loading, fileName);
return;
}
UpdateSourceView();
SubtitleListview1.Fill(_subtitle, _subtitleOriginal);
_subtitleListViewIndex = -1;