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Diffstat (limited to 'BDInfo/TSCodecAC3.cs')
-rw-r--r--BDInfo/TSCodecAC3.cs309
1 files changed, 0 insertions, 309 deletions
diff --git a/BDInfo/TSCodecAC3.cs b/BDInfo/TSCodecAC3.cs
deleted file mode 100644
index 35d306a19..000000000
--- a/BDInfo/TSCodecAC3.cs
+++ /dev/null
@@ -1,309 +0,0 @@
-//============================================================================
-// BDInfo - Blu-ray Video and Audio Analysis Tool
-// Copyright © 2010 Cinema Squid
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//=============================================================================
-
-#undef DEBUG
-using System.IO;
-
-namespace BDInfo
-{
- public abstract class TSCodecAC3
- {
- private static byte[] eac3_blocks = new byte[] { 1, 2, 3, 6 };
-
- public static void Scan(
- TSAudioStream stream,
- TSStreamBuffer buffer,
- ref string tag)
- {
- if (stream.IsInitialized) return;
-
- byte[] sync = buffer.ReadBytes(2);
- if (sync == null ||
- sync[0] != 0x0B ||
- sync[1] != 0x77)
- {
- return;
- }
-
- int sr_code = 0;
- int frame_size = 0;
- int frame_size_code = 0;
- int channel_mode = 0;
- int lfe_on = 0;
- int dial_norm = 0;
- int num_blocks = 0;
-
- byte[] hdr = buffer.ReadBytes(4);
- int bsid = (hdr[3] & 0xF8) >> 3;
- buffer.Seek(-4, SeekOrigin.Current);
- if (bsid <= 10)
- {
- byte[] crc = buffer.ReadBytes(2);
- sr_code = buffer.ReadBits(2);
- frame_size_code = buffer.ReadBits(6);
- bsid = buffer.ReadBits(5);
- int bsmod = buffer.ReadBits(3);
-
- channel_mode = buffer.ReadBits(3);
- int cmixlev = 0;
- if (((channel_mode & 0x1) > 0) && (channel_mode != 0x1))
- {
- cmixlev = buffer.ReadBits(2);
- }
- int surmixlev = 0;
- if ((channel_mode & 0x4) > 0)
- {
- surmixlev = buffer.ReadBits(2);
- }
- int dsurmod = 0;
- if (channel_mode == 0x2)
- {
- dsurmod = buffer.ReadBits(2);
- if (dsurmod == 0x2)
- {
- stream.AudioMode = TSAudioMode.Surround;
- }
- }
- lfe_on = buffer.ReadBits(1);
- dial_norm = buffer.ReadBits(5);
- int compr = 0;
- if (1 == buffer.ReadBits(1))
- {
- compr = buffer.ReadBits(8);
- }
- int langcod = 0;
- if (1 == buffer.ReadBits(1))
- {
- langcod = buffer.ReadBits(8);
- }
- int mixlevel = 0;
- int roomtyp = 0;
- if (1 == buffer.ReadBits(1))
- {
- mixlevel = buffer.ReadBits(5);
- roomtyp = buffer.ReadBits(2);
- }
- if (channel_mode == 0)
- {
- int dialnorm2 = buffer.ReadBits(5);
- int compr2 = 0;
- if (1 == buffer.ReadBits(1))
- {
- compr2 = buffer.ReadBits(8);
- }
- int langcod2 = 0;
- if (1 == buffer.ReadBits(1))
- {
- langcod2 = buffer.ReadBits(8);
- }
- int mixlevel2 = 0;
- int roomtyp2 = 0;
- if (1 == buffer.ReadBits(1))
- {
- mixlevel2 = buffer.ReadBits(5);
- roomtyp2 = buffer.ReadBits(2);
- }
- }
- int copyrightb = buffer.ReadBits(1);
- int origbs = buffer.ReadBits(1);
- if (bsid == 6)
- {
- if (1 == buffer.ReadBits(1))
- {
- int dmixmod = buffer.ReadBits(2);
- int ltrtcmixlev = buffer.ReadBits(3);
- int ltrtsurmixlev = buffer.ReadBits(3);
- int lorocmixlev = buffer.ReadBits(3);
- int lorosurmixlev = buffer.ReadBits(3);
- }
- if (1 == buffer.ReadBits(1))
- {
- int dsurexmod = buffer.ReadBits(2);
- int dheadphonmod = buffer.ReadBits(2);
- if (dheadphonmod == 0x2)
- {
- // TODO
- }
- int adconvtyp = buffer.ReadBits(1);
- int xbsi2 = buffer.ReadBits(8);
- int encinfo = buffer.ReadBits(1);
- if (dsurexmod == 2)
- {
- stream.AudioMode = TSAudioMode.Extended;
- }
- }
- }
- }
- else
- {
- int frame_type = buffer.ReadBits(2);
- int substreamid = buffer.ReadBits(3);
- frame_size = (buffer.ReadBits(11) + 1) << 1;
-
- sr_code = buffer.ReadBits(2);
- if (sr_code == 3)
- {
- sr_code = buffer.ReadBits(2);
- }
- else
- {
- num_blocks = buffer.ReadBits(2);
- }
- channel_mode = buffer.ReadBits(3);
- lfe_on = buffer.ReadBits(1);
- }
-
- switch (channel_mode)
- {
- case 0: // 1+1
- stream.ChannelCount = 2;
- if (stream.AudioMode == TSAudioMode.Unknown)
- {
- stream.AudioMode = TSAudioMode.DualMono;
- }
- break;
- case 1: // 1/0
- stream.ChannelCount = 1;
- break;
- case 2: // 2/0
- stream.ChannelCount = 2;
- if (stream.AudioMode == TSAudioMode.Unknown)
- {
- stream.AudioMode = TSAudioMode.Stereo;
- }
- break;
- case 3: // 3/0
- stream.ChannelCount = 3;
- break;
- case 4: // 2/1
- stream.ChannelCount = 3;
- break;
- case 5: // 3/1
- stream.ChannelCount = 4;
- break;
- case 6: // 2/2
- stream.ChannelCount = 4;
- break;
- case 7: // 3/2
- stream.ChannelCount = 5;
- break;
- default:
- stream.ChannelCount = 0;
- break;
- }
-
- switch (sr_code)
- {
- case 0:
- stream.SampleRate = 48000;
- break;
- case 1:
- stream.SampleRate = 44100;
- break;
- case 2:
- stream.SampleRate = 32000;
- break;
- default:
- stream.SampleRate = 0;
- break;
- }
-
- if (bsid <= 10)
- {
- switch (frame_size_code >> 1)
- {
- case 18:
- stream.BitRate = 640000;
- break;
- case 17:
- stream.BitRate = 576000;
- break;
- case 16:
- stream.BitRate = 512000;
- break;
- case 15:
- stream.BitRate = 448000;
- break;
- case 14:
- stream.BitRate = 384000;
- break;
- case 13:
- stream.BitRate = 320000;
- break;
- case 12:
- stream.BitRate = 256000;
- break;
- case 11:
- stream.BitRate = 224000;
- break;
- case 10:
- stream.BitRate = 192000;
- break;
- case 9:
- stream.BitRate = 160000;
- break;
- case 8:
- stream.BitRate = 128000;
- break;
- case 7:
- stream.BitRate = 112000;
- break;
- case 6:
- stream.BitRate = 96000;
- break;
- case 5:
- stream.BitRate = 80000;
- break;
- case 4:
- stream.BitRate = 64000;
- break;
- case 3:
- stream.BitRate = 56000;
- break;
- case 2:
- stream.BitRate = 48000;
- break;
- case 1:
- stream.BitRate = 40000;
- break;
- case 0:
- stream.BitRate = 32000;
- break;
- default:
- stream.BitRate = 0;
- break;
- }
- }
- else
- {
- stream.BitRate = (long)
- (4.0 * frame_size * stream.SampleRate / (num_blocks * 256));
- }
-
- stream.LFE = lfe_on;
- if (stream.StreamType != TSStreamType.AC3_PLUS_AUDIO &&
- stream.StreamType != TSStreamType.AC3_PLUS_SECONDARY_AUDIO)
- {
- stream.DialNorm = dial_norm - 31;
- }
- stream.IsVBR = false;
- stream.IsInitialized = true;
- }
- }
-}
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