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Merge branch 'master' of https://github.com/gchudov/cuetools.net

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This commit is contained in:
Grigory Chudov
2018-10-21 14:12:25 -04:00
parent 9754a9a328 de71de6299
commit 4e66625371
30 changed files with 1470 additions and 121 deletions
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1043
CUETools.Codecs.MPEG/ATSI/AudioDecoder.cs Normal file
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48
CUETools.Codecs.MPEG/ATSI/DecoderSettings.cs Normal file
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@@ -0,0 +1,48 @@
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using Newtonsoft.Json;
namespace CUETools.Codecs.MPEG.ATSI
{
[JsonObject(MemberSerialization.OptIn)]
public class DecoderSettings : IAudioDecoderSettings
{
#region IAudioDecoderSettings implementation
[Browsable(false)]
public string Extension => "ifo";
[Browsable(false)]
public string Name => "cuetools";
[Browsable(false)]
public Type DecoderType => typeof(AudioDecoder);
[Browsable(false)]
public int Priority => 2;
public IAudioDecoderSettings Clone()
{
return MemberwiseClone() as IAudioDecoderSettings;
}
#endregion
public DecoderSettings()
{
this.Init();
}
[DefaultValue(true)]
public bool IgnoreShortItems { get; set; }
[Browsable(false)]
public int? Stream { get; set; }
[Browsable(false)]
public int? StreamId { get; set; }
[Browsable(false)]
public int? Title { get; set; }
}
}

7
CUETools.Codecs.MPEG/BDLPCM/AudioDecoder.cs
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@@ -8,11 +8,6 @@ namespace CUETools.Codecs.MPEG.BDLPCM
{
public class AudioDecoder : IAudioSource
{
public unsafe AudioDecoder(string path, Stream IO, int pid)
: this(new DecoderSettings() { StreamId = pid }, path, IO)
{
}
public unsafe AudioDecoder(DecoderSettings settings, string path, Stream IO)
{
_path = path;
@@ -38,6 +33,8 @@ namespace CUETools.Codecs.MPEG.BDLPCM
_IO = null;
}
public TimeSpan Duration => Length < 0 ? TimeSpan.Zero : TimeSpan.FromSeconds((double)Length / PCM.SampleRate);
public long Length
{
get

100
CUETools.Codecs.MPEG/MPLS/AudioDecoder.cs
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@@ -5,19 +5,15 @@ using System.IO;
namespace CUETools.Codecs.MPEG.MPLS
{
public class AudioDecoder : IAudioSource
public class AudioDecoder : IAudioSource, IAudioTitleSet
{
public unsafe AudioDecoder(string path, Stream IO, ushort pid)
: this(new DecoderSettings() { StreamId = pid }, path, IO)
{
}
public unsafe AudioDecoder(DecoderSettings settings, string path, Stream IO)
{
m_settings = settings;
_path = path;
_IO = IO != null ? IO : new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 0x10000);
int length = (int)_IO.Length;
if (length > 0x100000) throw new Exception("File too big");
contents = new byte[length];
if (_IO.Read(contents, 0, length) != length) throw new Exception("");
fixed (byte* ptr = &contents[0])
@@ -33,7 +29,7 @@ namespace CUETools.Codecs.MPEG.MPLS
void openEntries()
{
readers = new List<BDLPCM.AudioDecoder>();
readers = new List<IAudioSource>();
var pids = new List<int>();
foreach (var item in hdr_m.play_item)
foreach (var audio in item.audio)
@@ -67,7 +63,8 @@ namespace CUETools.Codecs.MPEG.MPLS
var m2ts = System.IO.Path.Combine(
System.IO.Path.Combine(parent.FullName, "STREAM"),
item.clip_id + ".m2ts");
var entry = new BDLPCM.AudioDecoder(m2ts, null, chosenPid);
var settings = new BDLPCM.DecoderSettings() { StreamId = chosenPid };
var entry = settings.Open(m2ts);
readers.Add(entry);
break;
}
@@ -387,15 +384,30 @@ namespace CUETools.Codecs.MPEG.MPLS
}
}
public List<uint> Chapters
public List<IAudioTitle> AudioTitles
{
get
{
var titles = new List<IAudioTitle>();
foreach (var item in hdr_m.play_item)
foreach (var audio in item.audio)
{
//if (audio.coding_type != 0x80 /* LPCM */) continue;
titles.Add(new AudioTitle(this, audio.pid));
}
return titles;
}
}
public List<TimeSpan> Chapters
{
get
{
//settings.IgnoreShortItems
var res = new List<uint>();
var res = new List<TimeSpan>();
if (hdr_m.play_mark.Count < 1) return res;
if (hdr_m.play_item.Count < 1) return res;
res.Add(0);
res.Add(TimeSpan.Zero);
for (int i = 0; i < hdr_m.mark_count; i++)
{
ushort mark_item = hdr_m.play_mark[i].play_item_ref;
@@ -410,7 +422,7 @@ namespace CUETools.Codecs.MPEG.MPLS
if (m_settings.IgnoreShortItems && item_duration < shortItemDuration) continue;
item_offset += item_duration;
}
res.Add(hdr_m.play_mark[i].time - item_in_time + item_offset);
res.Add(TimeSpan.FromSeconds((hdr_m.play_mark[i].time - item_in_time + item_offset) / 45000.0));
}
uint end_offset = 0;
for (int j = 0; j < hdr_m.play_item.Count; j++)
@@ -420,9 +432,9 @@ namespace CUETools.Codecs.MPEG.MPLS
if (m_settings.IgnoreShortItems && item_duration < shortItemDuration) continue;
end_offset += hdr_m.play_item[j].out_time - hdr_m.play_item[j].in_time;
}
res.Add(end_offset);
while (res.Count > 1 && res[1] - res[0] < 45000) res.RemoveAt(1);
while (res.Count > 1 && res[res.Count - 1] - res[res.Count - 2] < 45000) res.RemoveAt(res.Count - 2);
res.Add(TimeSpan.FromSeconds(end_offset / 45000.0));
while (res.Count > 1 && res[1] - res[0] < TimeSpan.FromSeconds(1.0)) res.RemoveAt(1);
while (res.Count > 1 && res[res.Count - 1] - res[res.Count - 2] < TimeSpan.FromSeconds(1.0)) res.RemoveAt(res.Count - 2);
return res;
}
}
@@ -434,12 +446,64 @@ namespace CUETools.Codecs.MPEG.MPLS
byte[] contents;
AudioPCMConfig pcm;
List<BDLPCM.AudioDecoder> readers;
BDLPCM.AudioDecoder currentReader;
List<IAudioSource> readers;
IAudioSource currentReader;
MPLSHeader hdr_m;
DecoderSettings m_settings;
}
public class AudioTitle : IAudioTitle
{
public AudioTitle(AudioDecoder source, int pid)
{
this.source = source;
this.pid = pid;
}
public List<TimeSpan> Chapters => source.Chapters;
public AudioPCMConfig PCM
{
get
{
var s = FirstStream;
int channelCount = s.format == 1 ? 1 : s.format == 3 ? 2 : s.format == 6 ? 5 : 0;
int sampleRate = s.rate == 1 ? 48000 : s.rate == 4 ? 96000 : s.rate == 5 ? 192000 : s.rate == 12 ? 192000 : s.rate == 14 ? 96000 : 0;
int bitsPerSample = 0;
return new AudioPCMConfig(bitsPerSample, channelCount, sampleRate);
}
}
public string Codec
{
get
{
var s = FirstStream;
return s != null ? s.CodecString : "?";
}
}
public string Language
{
get
{
var s = FirstStream;
return s != null ? s.LanguageString : "?";
}
}
public int StreamId => pid;
MPLSStream FirstStream
{
get
{
MPLSStream result = null;
source.MPLSHeader.play_item.ForEach(i => i.audio.FindAll(a => a.pid == pid).ForEach(x => result = x));
return result;
}
}
AudioDecoder source;
int pid;
}
public struct MPLSPlaylistMark
{
public byte mark_id;
@@ -450,7 +514,7 @@ namespace CUETools.Codecs.MPEG.MPLS
public uint duration;
}
public struct MPLSStream
public class MPLSStream
{
public byte stream_type;
public byte coding_type;