From 5c8597670c0d565b7c325055b0ff6d5a784d8594 Mon Sep 17 00:00:00 2001 From: Weirdo Date: Tue, 21 Dec 2021 00:34:33 +0100 Subject: [PATCH] Added MetadataBuilder Former-commit-id: 2605ac1a54dcc5b76325bcc4045bc20e4b64fba4 --- .../FFMpeg/Builders/MetaData/ChapterData.cs | 18 ++++ .../Builders/MetaData/IReadOnlyMetaData.cs | 11 +++ .../FFMpeg/Builders/MetaData/MetaData.cs | 33 ++++++++ .../Builders/MetaData/MetaDataBuilder.cs | 82 +++++++++++++++++++ .../Builders/MetaData/MetaDataSerializer.cs | 38 +++++++++ .../Builders/MetaData/ReadOnlyMetaData.cs | 25 ++++++ FFMpegCore/FFMpeg/FFMpegArguments.cs | 2 + 7 files changed, 209 insertions(+) create mode 100644 FFMpegCore/FFMpeg/Builders/MetaData/ChapterData.cs create mode 100644 FFMpegCore/FFMpeg/Builders/MetaData/IReadOnlyMetaData.cs create mode 100644 FFMpegCore/FFMpeg/Builders/MetaData/MetaData.cs create mode 100644 FFMpegCore/FFMpeg/Builders/MetaData/MetaDataBuilder.cs create mode 100644 FFMpegCore/FFMpeg/Builders/MetaData/MetaDataSerializer.cs create mode 100644 FFMpegCore/FFMpeg/Builders/MetaData/ReadOnlyMetaData.cs diff --git a/FFMpegCore/FFMpeg/Builders/MetaData/ChapterData.cs b/FFMpegCore/FFMpeg/Builders/MetaData/ChapterData.cs new file mode 100644 index 0000000..24ad2b6 --- /dev/null +++ b/FFMpegCore/FFMpeg/Builders/MetaData/ChapterData.cs @@ -0,0 +1,18 @@ +using System; + +namespace FFMpegCore.Builders.MetaData +{ + public class ChapterData + { + public string Title { get; private set; } + public TimeSpan Start { get; private set; } + public TimeSpan End { get; private set; } + + public ChapterData(string title, TimeSpan start, TimeSpan end) + { + Title = title; + Start = start; + End = end; + } + } +} \ No newline at end of file diff --git a/FFMpegCore/FFMpeg/Builders/MetaData/IReadOnlyMetaData.cs b/FFMpegCore/FFMpeg/Builders/MetaData/IReadOnlyMetaData.cs new file mode 100644 index 0000000..fd55ea7 --- /dev/null +++ b/FFMpegCore/FFMpeg/Builders/MetaData/IReadOnlyMetaData.cs @@ -0,0 +1,11 @@ +using System.Collections.Generic; + +namespace FFMpegCore.Builders.MetaData +{ + + public interface IReadOnlyMetaData + { + IReadOnlyList Chapters { get; } + IReadOnlyDictionary Entries { get; } + } +} \ No newline at end of file diff --git a/FFMpegCore/FFMpeg/Builders/MetaData/MetaData.cs b/FFMpegCore/FFMpeg/Builders/MetaData/MetaData.cs new file mode 100644 index 0000000..2efc696 --- /dev/null +++ b/FFMpegCore/FFMpeg/Builders/MetaData/MetaData.cs @@ -0,0 +1,33 @@ +using System.Collections.Generic; +using System.Linq; + +namespace FFMpegCore.Builders.MetaData +{ + public class MetaData : IReadOnlyMetaData + { + public Dictionary Entries { get; private set; } + public List Chapters { get; private set; } + + IReadOnlyList IReadOnlyMetaData.Chapters => this.Chapters; + IReadOnlyDictionary IReadOnlyMetaData.Entries => this.Entries; + + public MetaData() + { + Entries = new Dictionary(); + Chapters = new List(); + } + + public MetaData(MetaData cloneSource) + { + Entries = new Dictionary(cloneSource.Entries); + Chapters = cloneSource.Chapters + .Select(x => new ChapterData + ( + start: x.Start, + end: x.End, + title: x.Title + )) + .ToList(); + } + } +} \ No newline at end of file diff --git a/FFMpegCore/FFMpeg/Builders/MetaData/MetaDataBuilder.cs b/FFMpegCore/FFMpeg/Builders/MetaData/MetaDataBuilder.cs new file mode 100644 index 0000000..90513ac --- /dev/null +++ b/FFMpegCore/FFMpeg/Builders/MetaData/MetaDataBuilder.cs @@ -0,0 +1,82 @@ +using System; +using System.Linq; + +namespace FFMpegCore.Builders.MetaData +{ + public class MetaDataBuilder + { + private MetaData _metaData = new MetaData(); + + public MetaDataBuilder WithEntry(string key, string value) + { + _metaData.Entries[key] = value; + return this; + } + + public MetaDataBuilder AddChapter(ChapterData chapterData) + { + _metaData.Chapters.Add(chapterData); + return this; + } + + public MetaDataBuilder AddChapter(TimeSpan duration, string? title = null) + { + var start = _metaData.Chapters.LastOrDefault()?.End ?? TimeSpan.Zero; + var end = start + duration; + title = String.IsNullOrEmpty(title) ? $"Chapter {_metaData.Chapters.Count + 1}" : title; + + _metaData.Chapters.Add(new ChapterData + ( + start: start, + end: end, + title: title + )); + + return this; + } + + //major_brand=M4A + public MetaDataBuilder WithMajorBrand(string value) => WithEntry("major_brand", value); + + //minor_version=512 + public MetaDataBuilder WithMinorVersion(string value) => WithEntry("minor_version", value); + + //compatible_brands=M4A isomiso2 + public MetaDataBuilder WithCompatibleBrands(string value) => WithEntry("compatible_brands", value); + + //copyright=©2017 / 2019 Dennis E. Taylor / Random House Audio / Wilhelm Heyne Verlag. Übersetzung von Urban Hofstetter (P)2019 Random House Audio + public MetaDataBuilder WithCopyright(string value) => WithEntry("copyright", value); + + //title=Alle diese Welten: Bobiverse 3 + public MetaDataBuilder WithTitle(string value) => WithEntry("title", value); + + //artist=Dennis E. Taylor + public MetaDataBuilder WithArtist(string value) => WithEntry("artist", value); + + //composer=J. K. Rowling + public MetaDataBuilder WithComposer(string value) => WithEntry("composer", value); + + //album_artist=Dennis E. Taylor + public MetaDataBuilder WithAlbumArtist(string value) => WithEntry("album_artist", value); + + //album=Alle diese Welten: Bobiverse 3 + public MetaDataBuilder WithAlbum(string value) => WithEntry("album", value); + + //date=2019 + public MetaDataBuilder WithDate(string value) => WithEntry("date", value); + + //genre=Hörbuch + public MetaDataBuilder WithGenre(string value) => WithEntry("genre", value); + + //comment=Chapter 200 + public MetaDataBuilder WithComment(string value) => WithEntry("comment", value); + + //encoder=Lavf58.47.100 + public MetaDataBuilder WithEncoder(string value) => WithEntry("encoder", value); + + public ReadOnlyMetaData Build() + { + return new MetaData(_metaData); + } + } +} \ No newline at end of file diff --git a/FFMpegCore/FFMpeg/Builders/MetaData/MetaDataSerializer.cs b/FFMpegCore/FFMpeg/Builders/MetaData/MetaDataSerializer.cs new file mode 100644 index 0000000..1a6f176 --- /dev/null +++ b/FFMpegCore/FFMpeg/Builders/MetaData/MetaDataSerializer.cs @@ -0,0 +1,38 @@ +using System.Linq; +using System.Text; + +namespace FFMpegCore.Builders.MetaData +{ + public class MetaDataSerializer + { + public static readonly MetaDataSerializer Instance = new MetaDataSerializer(); + + public string Serialize(IReadOnlyMetaData metaData) + { + var sb = new StringBuilder() + .AppendLine(";FFMETADATA1"); + + foreach (var value in metaData.Entries) + { + sb.AppendLine($"{value.Key}={value.Value}"); + } + + int chapterNumber = 0; + foreach (var chapter in metaData.Chapters ?? Enumerable.Empty()) + { + chapterNumber++; + var title = string.IsNullOrEmpty(chapter.Title) ? $"Chapter {chapterNumber}" : chapter.Title; + + sb + .AppendLine("[CHAPTER]") + .AppendLine($"TIMEBASE=1/1000") + .AppendLine($"START={(int)chapter.Start.TotalMilliseconds}") + .AppendLine($"END={(int)chapter.End.TotalMilliseconds}") + .AppendLine($"title={title}") + ; + } + + return sb.ToString(); + } + } +} \ No newline at end of file diff --git a/FFMpegCore/FFMpeg/Builders/MetaData/ReadOnlyMetaData.cs b/FFMpegCore/FFMpeg/Builders/MetaData/ReadOnlyMetaData.cs new file mode 100644 index 0000000..ff9bae9 --- /dev/null +++ b/FFMpegCore/FFMpeg/Builders/MetaData/ReadOnlyMetaData.cs @@ -0,0 +1,25 @@ +using System.Collections.Generic; +using System.Linq; + +namespace FFMpegCore.Builders.MetaData +{ + public class ReadOnlyMetaData : IReadOnlyMetaData + { + public IReadOnlyDictionary Entries { get; private set; } + public IReadOnlyList Chapters { get; private set; } + + public ReadOnlyMetaData(MetaData metaData) + { + Entries = new Dictionary(metaData.Entries); + Chapters = metaData.Chapters + .Select(x => new ChapterData + ( + start: x.Start, + end: x.End, + title: x.Title + )) + .ToList() + .AsReadOnly(); + } + } +} \ No newline at end of file diff --git a/FFMpegCore/FFMpeg/FFMpegArguments.cs b/FFMpegCore/FFMpeg/FFMpegArguments.cs index 45750c6..6c9784d 100644 --- a/FFMpegCore/FFMpeg/FFMpegArguments.cs +++ b/FFMpegCore/FFMpeg/FFMpegArguments.cs @@ -5,6 +5,7 @@ using System.Threading; using System.Threading.Tasks; using FFMpegCore.Arguments; +using FFMpegCore.Builders.MetaData; using FFMpegCore.Pipes; namespace FFMpegCore @@ -39,6 +40,7 @@ public FFMpegArguments WithGlobalOptions(Action configure public FFMpegArguments AddUrlInput(Uri uri, Action? addArguments = null) => WithInput(new InputArgument(uri.AbsoluteUri, false), addArguments); public FFMpegArguments AddPipeInput(IPipeSource sourcePipe, Action? addArguments = null) => WithInput(new InputPipeArgument(sourcePipe), addArguments); public FFMpegArguments AddMetaData(string content, Action? addArguments = null) => WithInput(new MetaDataArgument(content), addArguments); + public FFMpegArguments AddMetaData(IReadOnlyMetaData metaData, Action? addArguments = null) => WithInput(new MetaDataArgument(MetaDataSerializer.Instance.Serialize(metaData)), addArguments); private FFMpegArguments WithInput(IInputArgument inputArgument, Action? addArguments) {