public static VideoInfo TryReadVideoInfoViaMp4(string fileName)
{
var info = new VideoInfo {
Success = false
};
try
{
var mp4Parser = new MP4Parser(fileName);
if (mp4Parser.Moov != null && mp4Parser.VideoResolution.X > 0)
{
info.Width = mp4Parser.VideoResolution.X;
info.Height = mp4Parser.VideoResolution.Y;
info.TotalMilliseconds = mp4Parser.Duration.TotalSeconds * 1000;
info.TotalSeconds = info.TotalMilliseconds / 1000.0;
info.TotalFrames = mp4Parser.FrameRate * info.TotalSeconds;
info.VideoCodec = "MP4";
info.FramesPerSecond = mp4Parser.FrameRate;
info.Success = true;
}
}
catch
{
// ignored
}
return(info);
}
private void buttonOpenVideo_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog(this) == DialogResult.OK)
{
VideoFileName = openFileDialog1.FileName;
labelVideoFileName.Text = VideoFileName;
DateTime start;
double durationInSeconds;
string ext = Path.GetExtension(VideoFileName).ToLower();
if (ext == ".mp4" || ext == ".m4v" || ext == ".3gp")
{
MP4Parser mp4Parser = new MP4Parser(VideoFileName);
start = mp4Parser.CreationDate;
durationInSeconds = mp4Parser.Duration.TotalSeconds;
}
else
{
var fi = new FileInfo(VideoFileName);
start = fi.CreationTime;
VideoInfo vi = UiUtil.GetVideoInfo(VideoFileName);
durationInSeconds = vi.TotalMilliseconds / TimeCode.BaseUnit;
if (durationInSeconds < 1)
{
MessageBox.Show("Unable to get duration");
durationInSeconds = 60 * 60;
}
}
dateTimePicker1.Value = start;
timeUpDownStartTime.TimeCode = new TimeCode(start.Hour, start.Minute, start.Second, start.Millisecond);
timeUpDownDuration.TimeCode = TimeCode.FromSeconds(durationInSeconds);
}
}
public void Mp4Test1()
{
string fileName = Path.Combine(Directory.GetCurrentDirectory(), "sample_MP4_SRT.mp4");
var parser = new MP4Parser(fileName);
var tracks = parser.GetSubtitleTracks();
var paragraphs = tracks[0].Mdia.Minf.Stbl.GetParagraphs();
//1
//00:00:01,000-- > 00:00:03,000
//Line 1
//2
//00:00:03,024-- > 00:00:05,024
//Line 2
Assert.IsTrue(tracks.Count == 1);
Assert.IsTrue(paragraphs.Count == 2);
Assert.IsTrue(Math.Abs(paragraphs[0].StartTime.TotalMilliseconds - 1000) < 0.01);
Assert.IsTrue(Math.Abs(paragraphs[0].EndTime.TotalMilliseconds - 3000) < 0.01);
Assert.IsTrue(paragraphs[0].Text == "Line 1");
Assert.IsTrue(Math.Abs(paragraphs[1].StartTime.TotalMilliseconds - 3024) < 0.01);
Assert.IsTrue(Math.Abs(paragraphs[1].EndTime.TotalMilliseconds - 5024) < 0.01);
Assert.IsTrue(paragraphs[1].Text == "Line 2");
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
subtitle.Paragraphs.Clear();
var mp4Parser = new MP4Parser(fileName);
var dfxpStrings = mp4Parser.GetMdatsAsStrings();
foreach (var xmlAsString in dfxpStrings)
{
try
{
var sub = new Subtitle();
var mdatLines = xmlAsString.SplitToLines();
sub.ReloadLoadSubtitle(mdatLines, null, new TimedText());
if (sub.Paragraphs.Count == 0)
continue;
// merge lines with same time codes
sub = Forms.MergeLinesWithSameTimeCodes.Merge(sub, new List<int>(), out _, true, false, 1000, "en", new List<int>(), new Dictionary<int, bool>(), new Subtitle());
// adjust to last exisiting sub
var lastSub = subtitle.GetParagraphOrDefault(subtitle.Paragraphs.Count - 1);
if (lastSub != null)
sub.AddTimeToAllParagraphs(lastSub.EndTime.TimeSpan);
subtitle.Paragraphs.AddRange(sub.Paragraphs);
}
catch
{
_errorCount++;
}
}
}
public override void LoadSubtitle(Subtitle subtitle, List <string> lines, string fileName)
{
_errorCount = 0;
subtitle.Paragraphs.Clear();
var mp4Parser = new MP4Parser(fileName);
var dfxpStrings = mp4Parser.GetMdatsAsStrings();
SubtitleFormat format = new TimedText10();
foreach (var xmlAsString in dfxpStrings)
{
try
{
if (xmlAsString.Length < 80)
{
continue;
}
if (xmlAsString.IndexOf('\0') >= 0)
{
_errorCount++;
continue;
}
var sub = new Subtitle();
var mdatLines = xmlAsString.SplitToLines(25_000);
format = sub.ReloadLoadSubtitle(mdatLines, null, format);
if (sub.Paragraphs.Count == 0)
{
continue;
}
// merge lines with same time codes
sub = Forms.MergeLinesWithSameTimeCodes.Merge(sub, new List <int>(), out _, true, false, 1000, "en", new List <int>(), new Dictionary <int, bool>(), new Subtitle());
// adjust to last exisiting sub
var lastSub = subtitle.GetParagraphOrDefault(subtitle.Paragraphs.Count - 1);
if (lastSub != null && sub.Paragraphs.Count > 0 && lastSub.StartTime.TotalMilliseconds > sub.Paragraphs[0].StartTime.TotalMilliseconds)
{
sub.AddTimeToAllParagraphs(lastSub.EndTime.TimeSpan);
}
subtitle.Paragraphs.AddRange(sub.Paragraphs);
}
catch
{
_errorCount++;
}
}
var merged = MergeLinesSameTextUtils.MergeLinesWithSameTextInSubtitle(subtitle, false, 250);
if (merged.Paragraphs.Count < subtitle.Paragraphs.Count)
{
subtitle.Paragraphs.Clear();
subtitle.Paragraphs.AddRange(merged.Paragraphs);
}
subtitle.Renumber();
}
public void Mp4Test1()
{
string fileName = Path.Combine(Directory.GetCurrentDirectory(), "sample_MP4_SRT.mp4");
var parser = new MP4Parser(fileName);
var tracks = parser.GetSubtitleTracks();
Assert.IsTrue(tracks.Count == 1);
Assert.IsTrue(tracks[0].Mdia.Minf.Stbl.EndTimeCodes.Count == 2);
}
private void AddWaveform_Shown(object sender, EventArgs e)
{
Refresh();
var audioTrackNames = new List <string>();
var mkvAudioTrackNumbers = new Dictionary <int, int>();
int numberOfAudioTracks = 0;
if (labelVideoFileName.Text.Length > 1 && File.Exists(labelVideoFileName.Text))
{
if (labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in matroska files
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(labelVideoFileName.Text);
if (matroska.IsValid)
{
foreach (var track in matroska.GetTracks())
{
if (track.IsAudio)
{
numberOfAudioTracks++;
if (track.CodecId != null && track.Language != null)
{
audioTrackNames.Add("#" + track.TrackNumber + ": " + track.CodecId.Replace("\0", string.Empty) + " - " + track.Language.Replace("\0", string.Empty));
}
else
{
audioTrackNames.Add("#" + track.TrackNumber);
}
mkvAudioTrackNumbers.Add(mkvAudioTrackNumbers.Count, track.TrackNumber);
}
}
}
}
finally
{
matroska?.Dispose();
}
}
else if (labelVideoFileName.Text.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase) || labelVideoFileName.Text.EndsWith(".m4v", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in mp4 files
try
{
var mp4 = new MP4Parser(labelVideoFileName.Text);
var tracks = mp4.GetAudioTracks();
int i = 0;
foreach (var track in tracks)
{
i++;
if (track.Name != null && track.Mdia != null && track.Mdia.Mdhd != null && track.Mdia.Mdhd.LanguageString != null)
{
audioTrackNames.Add(i + ": " + track.Name + " - " + track.Mdia.Mdhd.LanguageString);
}
else if (track.Name != null)
{
audioTrackNames.Add(i + ": " + track.Name);
}
else
{
audioTrackNames.Add(i.ToString(CultureInfo.InvariantCulture));
}
}
numberOfAudioTracks = tracks.Count;
}
catch
{
// ignored
}
}
// Choose audio track
if (numberOfAudioTracks > 1)
{
using (var form = new ChooseAudioTrack(audioTrackNames, _audioTrackNumber))
{
if (form.ShowDialog(this) == DialogResult.OK)
{
_audioTrackNumber = form.SelectedTrack;
}
else
{
DialogResult = DialogResult.Cancel;
return;
}
}
}
// check for delay in matroska files
if (labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(labelVideoFileName.Text);
if (matroska.IsValid)
{
_delayInMilliseconds = (int)matroska.GetTrackStartTime(mkvAudioTrackNumbers[_audioTrackNumber]);
}
}
catch
{
_delayInMilliseconds = 0;
}
finally
{
matroska?.Dispose();
}
}
buttonRipWave_Click(null, null);
}
else if (_wavFileName != null)
{
FixWaveOnly();
}
}
private void AddWaveform_Shown(object sender, EventArgs e)
{
Refresh();
_numberOfAudioTracks = 0;
var audioTrackNames = new List <string>();
var mkvAudioTrackNumbers = new Dictionary <int, int>();
if (labelVideoFileName.Text.Length > 1 && File.Exists(labelVideoFileName.Text))
{
if (labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in matroska files
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(labelVideoFileName.Text);
if (matroska.IsValid)
{
foreach (var track in matroska.GetTracks())
{
if (track.IsAudio)
{
_numberOfAudioTracks++;
if (track.CodecId != null && track.Language != null)
{
audioTrackNames.Add("#" + track.TrackNumber + ": " + track.CodecId.Replace("\0", string.Empty) + " - " + track.Language.Replace("\0", string.Empty));
}
else
{
audioTrackNames.Add("#" + track.TrackNumber);
}
mkvAudioTrackNumbers.Add(mkvAudioTrackNumbers.Count, track.TrackNumber);
}
}
}
}
finally
{
matroska?.Dispose();
}
}
else if (labelVideoFileName.Text.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase) || labelVideoFileName.Text.EndsWith(".m4v", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in mp4 files
try
{
var mp4 = new MP4Parser(labelVideoFileName.Text);
var tracks = mp4.GetAudioTracks();
int i = 0;
foreach (var track in tracks)
{
i++;
if (track.Name != null && track.Mdia != null && track.Mdia.Mdhd != null && track.Mdia.Mdhd.LanguageString != null)
{
audioTrackNames.Add(i + ": " + track.Name + " - " + track.Mdia.Mdhd.LanguageString);
}
else if (track.Name != null)
{
audioTrackNames.Add(i + ": " + track.Name);
}
else
{
audioTrackNames.Add(i.ToString(CultureInfo.InvariantCulture));
}
}
_numberOfAudioTracks = tracks.Count;
}
catch
{
// ignored
}
}
// Choose audio track
if (_numberOfAudioTracks > 1)
{
using (var form = new ChooseAudioTrack(audioTrackNames, AudioTrackNumber))
{
if (form.ShowDialog(this) == DialogResult.OK)
{
if (AudioTrackNumber != form.SelectedTrack)
{
AudioTrackNumber = form.SelectedTrack;
var peakWaveFileName = WavePeakGenerator.GetPeakWaveFileName(labelVideoFileName.Text, form.SelectedTrack);
var spectrogramFolder = WavePeakGenerator.SpectrogramDrawer.GetSpectrogramFolder(labelVideoFileName.Text, form.SelectedTrack);
if (File.Exists(peakWaveFileName))
{
DialogResult = DialogResult.Cancel;
return;
}
_peakWaveFileName = peakWaveFileName;
_spectrogramDirectory = spectrogramFolder;
}
}
else
{
DialogResult = DialogResult.Cancel;
return;
}
}
}
// check for delay in matroska files
if (labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(labelVideoFileName.Text);
if (matroska.IsValid)
{
_delayInMilliseconds = (int)matroska.GetAudioTrackDelayMilliseconds(mkvAudioTrackNumbers[AudioTrackNumber]);
}
}
catch (Exception exception)
{
SeLogger.Error(exception, $"Error getting delay from mkv: {labelVideoFileName.Text}");
_delayInMilliseconds = 0;
}
finally
{
matroska?.Dispose();
}
}
buttonRipWave_Click(null, null);
}
else if (_wavFileName != null)
{
FixWaveOnly();
}
}
private static VideoInfo TryReadVideoInfoViaMp4(string fileName)
{
var info = new VideoInfo { Success = false };
try
{
var mp4Parser = new MP4Parser(fileName);
if (mp4Parser.Moov != null && mp4Parser.VideoResolution.X > 0)
{
info.Width = mp4Parser.VideoResolution.X;
info.Height = mp4Parser.VideoResolution.Y;
info.TotalMilliseconds = mp4Parser.Duration.TotalSeconds;
info.VideoCodec = "MP4";
info.FramesPerSecond = mp4Parser.FrameRate;
info.Success = true;
}
}
catch
{
}
return info;
}
private void AddWareForm_Shown(object sender, EventArgs e)
{
Refresh();
var audioTrackNames = new List<string>();
var mkvAudioTrackNumbers = new Dictionary<int, int>();
int numberOfAudioTracks = 0;
if (labelVideoFileName.Text.Length > 1 && File.Exists(labelVideoFileName.Text))
{
if (labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in matroska files
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(labelVideoFileName.Text);
if (matroska.IsValid)
{
foreach (var track in matroska.GetTracks())
{
if (track.IsAudio)
{
numberOfAudioTracks++;
if (track.CodecId != null && track.Language != null)
audioTrackNames.Add("#" + track.TrackNumber + ": " + track.CodecId.Replace("\0", string.Empty) + " - " + track.Language.Replace("\0", string.Empty));
else
audioTrackNames.Add("#" + track.TrackNumber);
mkvAudioTrackNumbers.Add(mkvAudioTrackNumbers.Count, track.TrackNumber);
}
}
}
}
finally
{
if (matroska != null)
{
matroska.Dispose();
}
}
}
else if (labelVideoFileName.Text.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase) || labelVideoFileName.Text.EndsWith(".m4v", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in mp4 files
try
{
var mp4 = new MP4Parser(labelVideoFileName.Text);
var tracks = mp4.GetAudioTracks();
int i = 0;
foreach (var track in tracks)
{
i++;
if (track.Name != null && track.Mdia != null && track.Mdia.Mdhd != null && track.Mdia.Mdhd.LanguageString != null)
audioTrackNames.Add(i + ": " + track.Name + " - " + track.Mdia.Mdhd.LanguageString);
else if (track.Name != null)
audioTrackNames.Add(i + ": " + track.Name);
else
audioTrackNames.Add(i.ToString(CultureInfo.InvariantCulture));
}
numberOfAudioTracks = tracks.Count;
}
catch
{
}
}
if (Configuration.Settings.General.UseFFmpegForWaveExtraction)
{ // don't know how to extract audio number x via FFmpeg...
numberOfAudioTracks = 1;
_audioTrackNumber = 0;
}
// Choose audio track
if (numberOfAudioTracks > 1)
{
using (var form = new ChooseAudioTrack(audioTrackNames, _audioTrackNumber))
{
if (form.ShowDialog(this) == DialogResult.OK)
{
_audioTrackNumber = form.SelectedTrack;
}
else
{
DialogResult = DialogResult.Cancel;
return;
}
}
}
// check for delay in matroska files
if (labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(labelVideoFileName.Text);
if (matroska.IsValid)
{
_delayInMilliseconds = (int)matroska.GetTrackStartTime(mkvAudioTrackNumbers[_audioTrackNumber]);
}
}
catch
{
_delayInMilliseconds = 0;
}
finally
{
if (matroska != null)
{
matroska.Dispose();
}
}
}
buttonRipWave_Click(null, null);
}
else if (_wavFileName != null)
{
FixWaveOnly();
}
}