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Open multistream files with ffdshow

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This commit is contained in:
Grigory Chudov
2018-04-07 13:55:01 -04:00
parent 6f79ab7ebe
commit bfcbd825b2
13 changed files with 136 additions and 97 deletions
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41
CUETools.Codecs.BDLPCM/MPLSReader.cs
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@@ -9,14 +9,13 @@ namespace CUETools.Codecs.BDLPCM
public class MPLSDecoder : IAudioSource
{
public unsafe MPLSDecoder(string path, Stream IO, ushort pid)
: this(path, IO)
: this(new MPLS.DecoderSettings() { StreamId = pid }, path, IO)
{
settings.Pid = pid;
}
public unsafe MPLSDecoder(string path, Stream IO)
public unsafe MPLSDecoder(MPLS.DecoderSettings settings, string path, Stream IO)
{
settings = new DecoderSettings();
m_settings = settings;
_path = path;
_IO = IO != null ? IO : new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 0x10000);
int length = (int)_IO.Length;
@@ -36,33 +35,33 @@ namespace CUETools.Codecs.BDLPCM
void openEntries()
{
readers = new List<AudioDecoder>();
var pids = new List<ushort>();
var pids = new List<int>();
foreach (var item in hdr_m.play_item)
foreach (var audio in item.audio)
{
if (audio.coding_type != 0x80 /* LPCM */) continue;
pids.Add(audio.pid);
}
ushort chosenPid;
if (settings.Pid.HasValue)
int chosenPid;
if (m_settings.StreamId.HasValue)
{
if (!pids.Contains(settings.Pid.Value))
throw new Exception("Pid can be " +
if (!pids.Contains(m_settings.StreamId.Value))
throw new Exception("StreamId can be " +
string.Join(", ", pids.ConvertAll(pid => pid.ToString()).ToArray()));
chosenPid = settings.Pid.Value;
chosenPid = m_settings.StreamId.Value;
}
else if (settings.Stream.HasValue)
else if (m_settings.Stream.HasValue)
{
if (settings.Stream.Value < 0 || settings.Stream.Value >= pids.Count)
if (m_settings.Stream.Value < 0 || m_settings.Stream.Value >= pids.Count)
throw new Exception("Stream can be 0.." + (pids.Count - 1).ToString());
chosenPid = pids[settings.Stream.Value];
chosenPid = pids[m_settings.Stream.Value];
}
else throw new Exception("multiple streams present, please specify Pid or Stream");
else throw new Exception("multiple streams present, please specify StreamId or Stream");
foreach (var item in hdr_m.play_item)
foreach (var audio in item.audio)
{
if (audio.coding_type != 0x80 /* LPCM */) continue;
if (settings.IgnoreShortItems && item.out_time - item.in_time < shortItemDuration) continue;
if (m_settings.IgnoreShortItems && item.out_time - item.in_time < shortItemDuration) continue;
if (audio.pid == chosenPid)
{
var parent = Directory.GetParent(System.IO.Path.GetDirectoryName(System.IO.Path.GetFullPath(_path)));
@@ -277,7 +276,7 @@ namespace CUETools.Codecs.BDLPCM
return mark;
}
public IAudioDecoderSettings Settings => settings;
public IAudioDecoderSettings Settings => m_settings;
public void Close()
{
@@ -308,7 +307,7 @@ namespace CUETools.Codecs.BDLPCM
{
if (item.num_audio == 0) continue;
uint item_duration = item.out_time - item.in_time;
if (settings.IgnoreShortItems && item_duration < shortItemDuration) continue;
if (m_settings.IgnoreShortItems && item_duration < shortItemDuration) continue;
totalLength += item_duration;
}
@@ -403,13 +402,13 @@ namespace CUETools.Codecs.BDLPCM
ushort mark_item = hdr_m.play_mark[i].play_item_ref;
uint item_in_time = hdr_m.play_item[mark_item].in_time;
uint item_out_time = hdr_m.play_item[mark_item].out_time;
if (settings.IgnoreShortItems && item_out_time - item_in_time < shortItemDuration) continue;
if (m_settings.IgnoreShortItems && item_out_time - item_in_time < shortItemDuration) continue;
uint item_offset = 0;
for (int j = 0; j < mark_item; j++)
{
if (hdr_m.play_item[j].num_audio == 0) continue;
uint item_duration = hdr_m.play_item[j].out_time - hdr_m.play_item[j].in_time;
if (settings.IgnoreShortItems && item_duration < shortItemDuration) continue;
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);
@@ -419,7 +418,7 @@ namespace CUETools.Codecs.BDLPCM
{
if (hdr_m.play_item[j].num_audio == 0) continue;
uint item_duration = hdr_m.play_item[j].out_time - hdr_m.play_item[j].in_time;
if (settings.IgnoreShortItems && item_duration < shortItemDuration) continue;
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);
@@ -439,7 +438,7 @@ namespace CUETools.Codecs.BDLPCM
List<AudioDecoder> readers;
AudioDecoder currentReader;
MPLSHeader hdr_m;
DecoderSettings settings;
MPLS.DecoderSettings m_settings;
}
public struct MPLSPlaylistMark