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#236 - Subtitle charset

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This commit is contained in:
Luke Pulverenti 2013-07-16 14:18:49 -04:00
parent 44493dca1d
commit 27c644e6c8
3 changed files with 96 additions and 54 deletions
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2
MediaBrowser.Api/Playback/BaseStreamingService.cs
View file

@ -385,7 +385,7 @@ namespace MediaBrowser.Api.Playback
Directory.CreateDirectory(parentPath);
}
var task = MediaEncoder.ConvertTextSubtitleToAss(subtitleStream.Path, path, offset, CancellationToken.None);
var task = MediaEncoder.ConvertTextSubtitleToAss(subtitleStream.Path, path, subtitleStream.Language, offset, CancellationToken.None);
Task.WaitAll(task);
}

3
MediaBrowser.Common/MediaInfo/IMediaEncoder.cs
View file

@ -51,10 +51,11 @@ namespace MediaBrowser.Common.MediaInfo
/// </summary>
/// <param name="inputPath">The input path.</param>
/// <param name="outputPath">The output path.</param>
/// <param name="language">The language.</param>
/// <param name="offset">The offset.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task ConvertTextSubtitleToAss(string inputPath, string outputPath, TimeSpan offset, CancellationToken cancellationToken);
Task ConvertTextSubtitleToAss(string inputPath, string outputPath, string language, TimeSpan offset, CancellationToken cancellationToken);
/// <summary>
/// Gets the media info.

145
MediaBrowser.Server.Implementations/MediaEncoder/MediaEncoder.cs
View file

@ -80,7 +80,8 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// <param name="zipClient">The zip client.</param>
/// <param name="appPaths">The app paths.</param>
/// <param name="jsonSerializer">The json serializer.</param>
public MediaEncoder(ILogger logger, IZipClient zipClient, IApplicationPaths appPaths, IJsonSerializer jsonSerializer)
public MediaEncoder(ILogger logger, IZipClient zipClient, IApplicationPaths appPaths,
IJsonSerializer jsonSerializer)
{
_logger = logger;
_zipClient = zipClient;
@ -88,7 +89,8 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
_jsonSerializer = jsonSerializer;
// Not crazy about this but it's the only way to suppress ffmpeg crash dialog boxes
SetErrorMode(ErrorModes.SEM_FAILCRITICALERRORS | ErrorModes.SEM_NOALIGNMENTFAULTEXCEPT | ErrorModes.SEM_NOGPFAULTERRORBOX | ErrorModes.SEM_NOOPENFILEERRORBOX);
SetErrorMode(ErrorModes.SEM_FAILCRITICALERRORS | ErrorModes.SEM_NOALIGNMENTFAULTEXCEPT |
ErrorModes.SEM_NOGPFAULTERRORBOX | ErrorModes.SEM_NOOPENFILEERRORBOX);
Task.Run(() => VersionedDirectoryPath = GetVersionedDirectoryPath());
}
@ -123,32 +125,28 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// The _ FF MPEG path
/// </summary>
private string _FFMpegPath;
/// <summary>
/// Gets the path to ffmpeg.exe
/// </summary>
/// <value>The FF MPEG path.</value>
public string FFMpegPath
{
get
{
return _FFMpegPath ?? (_FFMpegPath = Path.Combine(VersionedDirectoryPath, "ffmpeg.exe"));
}
get { return _FFMpegPath ?? (_FFMpegPath = Path.Combine(VersionedDirectoryPath, "ffmpeg.exe")); }
}
/// <summary>
/// The _ FF probe path
/// </summary>
private string _FFProbePath;
/// <summary>
/// Gets the path to ffprobe.exe
/// </summary>
/// <value>The FF probe path.</value>
private string FFProbePath
{
get
{
return _FFProbePath ?? (_FFProbePath = Path.Combine(VersionedDirectoryPath, "ffprobe.exe"));
}
get { return _FFProbePath ?? (_FFProbePath = Path.Combine(VersionedDirectoryPath, "ffprobe.exe")); }
}
/// <summary>
@ -174,9 +172,11 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
var resource = assembly.GetManifestResourceNames().First(r => r.StartsWith(srch));
var filename = resource.Substring(resource.IndexOf(prefix, StringComparison.OrdinalIgnoreCase) + prefix.Length);
var filename =
resource.Substring(resource.IndexOf(prefix, StringComparison.OrdinalIgnoreCase) + prefix.Length);
var versionedDirectoryPath = Path.Combine(GetMediaToolsPath(true), Path.GetFileNameWithoutExtension(filename));
var versionedDirectoryPath = Path.Combine(GetMediaToolsPath(true),
Path.GetFileNameWithoutExtension(filename));
if (!Directory.Exists(versionedDirectoryPath))
{
@ -226,7 +226,10 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
{
using (var stream = assembly.GetManifestResourceStream(GetType().Namespace + ".fonts." + fontFilename))
{
using (var fileStream = new FileStream(fontFile, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
using (
var fileStream = new FileStream(fontFile, FileMode.Create, FileAccess.Write, FileShare.Read,
StreamDefaults.DefaultFileStreamBufferSize,
FileOptions.Asynchronous))
{
await stream.CopyToAsync(fileStream).ConfigureAwait(false);
}
@ -249,7 +252,9 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
if (!File.Exists(fontConfigFile))
{
using (var stream = assembly.GetManifestResourceStream(GetType().Namespace + ".fonts." + fontConfigFilename))
using (
var stream = assembly.GetManifestResourceStream(GetType().Namespace + ".fonts." + fontConfigFilename)
)
{
using (var streamReader = new StreamReader(stream))
{
@ -259,7 +264,10 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
var bytes = Encoding.UTF8.GetBytes(contents);
using (var fileStream = new FileStream(fontConfigFile, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
using (
var fileStream = new FileStream(fontConfigFile, FileMode.Create, FileAccess.Write,
FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize,
FileOptions.Asynchronous))
{
await fileStream.WriteAsync(bytes, 0, bytes.Length);
}
@ -275,9 +283,11 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// <param name="type">The type.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task<MediaInfoResult> GetMediaInfo(string[] inputFiles, InputType type, CancellationToken cancellationToken)
public Task<MediaInfoResult> GetMediaInfo(string[] inputFiles, InputType type,
CancellationToken cancellationToken)
{
return GetMediaInfoInternal(GetInputArgument(inputFiles, type), type != InputType.AudioFile, GetProbeSizeArgument(type), cancellationToken);
return GetMediaInfoInternal(GetInputArgument(inputFiles, type), type != InputType.AudioFile,
GetProbeSizeArgument(type), cancellationToken);
}
/// <summary>
@ -342,27 +352,32 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{MediaInfoResult}.</returns>
/// <exception cref="System.ApplicationException"></exception>
private async Task<MediaInfoResult> GetMediaInfoInternal(string inputPath, bool extractChapters, string probeSizeArgument, CancellationToken cancellationToken)
private async Task<MediaInfoResult> GetMediaInfoInternal(string inputPath, bool extractChapters,
string probeSizeArgument,
CancellationToken cancellationToken)
{
var process = new Process
{
StartInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
StartInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
// Must consume both or ffmpeg may hang due to deadlocks. See comments below.
RedirectStandardOutput = true,
RedirectStandardError = true,
FileName = FFProbePath,
Arguments = string.Format("{0} -i {1} -threads 0 -v info -print_format json -show_streams -show_format", probeSizeArgument, inputPath).Trim(),
// Must consume both or ffmpeg may hang due to deadlocks. See comments below.
RedirectStandardOutput = true,
RedirectStandardError = true,
FileName = FFProbePath,
Arguments =
string.Format(
"{0} -i {1} -threads 0 -v info -print_format json -show_streams -show_format",
probeSizeArgument, inputPath).Trim(),
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false
},
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false
},
EnableRaisingEvents = true
};
EnableRaisingEvents = true
};
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
@ -501,9 +516,9 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
if (double.TryParse(subString, NumberStyles.Any, UsCulture, out seconds))
{
lastChapter = new ChapterInfo
{
StartPositionTicks = TimeSpan.FromSeconds(seconds).Ticks
};
{
StartPositionTicks = TimeSpan.FromSeconds(seconds).Ticks
};
chapters.Add(lastChapter);
}
@ -531,7 +546,7 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
void ProcessExited(object sender, EventArgs e)
private void ProcessExited(object sender, EventArgs e)
{
((Process)sender).Dispose();
}
@ -541,6 +556,7 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// </summary>
/// <param name="inputPath">The input path.</param>
/// <param name="outputPath">The output path.</param>
/// <param name="language">The language.</param>
/// <param name="offset">The offset.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
@ -548,7 +564,8 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// or
/// outputPath</exception>
/// <exception cref="System.ApplicationException"></exception>
public async Task ConvertTextSubtitleToAss(string inputPath, string outputPath, TimeSpan offset, CancellationToken cancellationToken)
public async Task ConvertTextSubtitleToAss(string inputPath, string outputPath, string language, TimeSpan offset,
CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(inputPath))
{
@ -566,21 +583,26 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
var fastSeekParam = fastSeekSeconds > 0 ? "-ss " + fastSeekSeconds + " " : string.Empty;
var slowSeekParam = slowSeekSeconds > 0 ? " -ss " + slowSeekSeconds : string.Empty;
var process = new Process
{
StartInfo = new ProcessStartInfo
{
RedirectStandardOutput = false,
RedirectStandardError = true,
var encodingParam = string.IsNullOrEmpty(language) ? string.Empty :
GetSubtitleLanguageEncodingParam(language) + " ";
CreateNoWindow = true,
UseShellExecute = false,
FileName = FFMpegPath,
Arguments = string.Format("{0}-i \"{1}\"{2} \"{3}\"", fastSeekParam, inputPath, slowSeekParam, outputPath),
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false
}
};
var process = new Process
{
StartInfo = new ProcessStartInfo
{
RedirectStandardOutput = false,
RedirectStandardError = true,
CreateNoWindow = true,
UseShellExecute = false,
FileName = FFMpegPath,
Arguments =
string.Format("{0}{1}-i \"{2}\"{3} \"{4}\"", encodingParam, fastSeekParam, inputPath, slowSeekParam,
outputPath),
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false
}
};
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
@ -588,7 +610,8 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
var logFilePath = Path.Combine(_appPaths.LogDirectoryPath, "ffmpeg-sub-convert-" + Guid.NewGuid() + ".txt");
var logFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous);
var logFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read,
StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous);
try
{
@ -680,6 +703,24 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
await SetAssFont(outputPath).ConfigureAwait(false);
}
/// <summary>
/// Gets the subtitle language encoding param.
/// </summary>
/// <param name="language">The language.</param>
/// <returns>System.String.</returns>
private string GetSubtitleLanguageEncodingParam(string language)
{
switch (language.ToLower())
{
case "ara":
return "-sub_charenc windows-1256";
case "heb":
return "-sub_charenc windows-1255";
default:
return string.Empty;
}
}
/// <summary>
/// Extracts the text subtitle.
/// </summary>