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fixed subtitle offsets

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This commit is contained in:
Luke Pulverenti 2013-04-27 09:10:24 -04:00
parent 921e4528ff
commit 40c2b73d63
3 changed files with 14 additions and 15 deletions
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23
MediaBrowser.Api/Playback/BaseStreamingService.cs
View File

@ -290,22 +290,14 @@ namespace MediaBrowser.Api.Playback
/// <returns>System.String.</returns> /// <returns>System.String.</returns>
protected string GetTextSubtitleParam(Video video, MediaStream subtitleStream, long? startTimeTicks) protected string GetTextSubtitleParam(Video video, MediaStream subtitleStream, long? startTimeTicks)
{ {
var path = subtitleStream.IsExternal ? GetConvertedAssPath(video, subtitleStream) : GetExtractedAssPath(video, subtitleStream, startTimeTicks); var path = subtitleStream.IsExternal ? GetConvertedAssPath(video, subtitleStream, startTimeTicks) : GetExtractedAssPath(video, subtitleStream, startTimeTicks);
if (string.IsNullOrEmpty(path)) if (string.IsNullOrEmpty(path))
{ {
return string.Empty; return string.Empty;
} }
var param = string.Format(",ass='{0}'", path.Replace('\\', '/').Replace(":/", "\\:/")); return string.Format(",ass='{0}'", path.Replace('\\', '/').Replace(":/", "\\:/"));
if (startTimeTicks.HasValue && subtitleStream.IsExternal)
{
var seconds = Convert.ToInt32(TimeSpan.FromTicks(startTimeTicks.Value).TotalSeconds);
param += string.Format(",setpts=PTS-{0}/TB", seconds);
}
return param;
} }
/// <summary> /// <summary>
@ -347,16 +339,21 @@ namespace MediaBrowser.Api.Playback
/// </summary> /// </summary>
/// <param name="video">The video.</param> /// <param name="video">The video.</param>
/// <param name="subtitleStream">The subtitle stream.</param> /// <param name="subtitleStream">The subtitle stream.</param>
/// <param name="startTimeTicks">The start time ticks.</param>
/// <returns>System.String.</returns> /// <returns>System.String.</returns>
private string GetConvertedAssPath(Video video, MediaStream subtitleStream) private string GetConvertedAssPath(Video video, MediaStream subtitleStream, long? startTimeTicks)
{ {
var path = Kernel.Instance.FFMpegManager.GetSubtitleCachePath(video, subtitleStream.Index, null, ".ass"); var offset = startTimeTicks.HasValue
? TimeSpan.FromTicks(startTimeTicks.Value)
: TimeSpan.FromTicks(0);
var path = Kernel.Instance.FFMpegManager.GetSubtitleCachePath(video, subtitleStream.Index, offset, ".ass");
if (!File.Exists(path)) if (!File.Exists(path))
{ {
try try
{ {
var task = MediaEncoder.ConvertTextSubtitleToAss(subtitleStream.Path, path, CancellationToken.None); var task = MediaEncoder.ConvertTextSubtitleToAss(subtitleStream.Path, path, offset, CancellationToken.None);
Task.WaitAll(task); Task.WaitAll(task);
} }

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

@ -49,9 +49,10 @@ namespace MediaBrowser.Common.MediaInfo
/// </summary> /// </summary>
/// <param name="inputPath">The input path.</param> /// <param name="inputPath">The input path.</param>
/// <param name="outputPath">The output path.</param> /// <param name="outputPath">The output path.</param>
/// <param name="offset">The offset.</param>
/// <param name="cancellationToken">The cancellation token.</param> /// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns> /// <returns>Task.</returns>
Task ConvertTextSubtitleToAss(string inputPath, string outputPath, CancellationToken cancellationToken); Task ConvertTextSubtitleToAss(string inputPath, string outputPath, TimeSpan offset, CancellationToken cancellationToken);
/// <summary> /// <summary>
/// Gets the media info. /// Gets the media info.

3
MediaBrowser.Server.Implementations/MediaEncoder/MediaEncoder.cs
View File

@ -535,13 +535,14 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
/// </summary> /// </summary>
/// <param name="inputPath">The input path.</param> /// <param name="inputPath">The input path.</param>
/// <param name="outputPath">The output path.</param> /// <param name="outputPath">The output path.</param>
/// <param name="offset">The offset.</param>
/// <param name="cancellationToken">The cancellation token.</param> /// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns> /// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">inputPath /// <exception cref="System.ArgumentNullException">inputPath
/// or /// or
/// outputPath</exception> /// outputPath</exception>
/// <exception cref="System.ApplicationException"></exception> /// <exception cref="System.ApplicationException"></exception>
public async Task ConvertTextSubtitleToAss(string inputPath, string outputPath, CancellationToken cancellationToken) public async Task ConvertTextSubtitleToAss(string inputPath, string outputPath, TimeSpan offset, CancellationToken cancellationToken)
{ {
if (string.IsNullOrEmpty(inputPath)) if (string.IsNullOrEmpty(inputPath))
{ {