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more steps to make provider project portable

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This commit is contained in:
Luke Pulverenti
2016-10-26 15:29:56 -04:00
parent 0189f4c49d
commit 3d7f75eea3
50 changed files with 30534 additions and 32 deletions
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159
BDInfo/TSCodecDTS.cs Normal file
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//============================================================================
// 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
//=============================================================================
namespace BDInfo
{
public abstract class TSCodecDTS
{
private static int[] dca_sample_rates =
{
0, 8000, 16000, 32000, 0, 0, 11025, 22050, 44100, 0, 0,
12000, 24000, 48000, 96000, 192000
};
private static int[] dca_bit_rates =
{
32000, 56000, 64000, 96000, 112000, 128000,
192000, 224000, 256000, 320000, 384000,
448000, 512000, 576000, 640000, 768000,
896000, 1024000, 1152000, 1280000, 1344000,
1408000, 1411200, 1472000, 1509000, 1920000,
2048000, 3072000, 3840000, 1/*open*/, 2/*variable*/, 3/*lossless*/
};
private static int[] dca_channels =
{
1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 6, 6, 6, 7, 8, 8
};
private static int[] dca_bits_per_sample =
{
16, 16, 20, 20, 0, 24, 24
};
public static void Scan(
TSAudioStream stream,
TSStreamBuffer buffer,
long bitrate,
ref string tag)
{
if (stream.IsInitialized) return;
bool syncFound = false;
uint sync = 0;
for (int i = 0; i < buffer.Length; i++)
{
sync = (sync << 8) + buffer.ReadByte();
if (sync == 0x7FFE8001)
{
syncFound = true;
break;
}
}
if (!syncFound) return;
int frame_type = buffer.ReadBits(1);
int samples_deficit = buffer.ReadBits(5);
int crc_present = buffer.ReadBits(1);
int sample_blocks = buffer.ReadBits(7);
int frame_size = buffer.ReadBits(14);
if (frame_size < 95)
{
return;
}
int amode = buffer.ReadBits(6);
int sample_rate = buffer.ReadBits(4);
if (sample_rate < 0 || sample_rate >= dca_sample_rates.Length)
{
return;
}
int bit_rate = buffer.ReadBits(5);
if (bit_rate < 0 || bit_rate >= dca_bit_rates.Length)
{
return;
}
int downmix = buffer.ReadBits(1);
int dynrange = buffer.ReadBits(1);
int timestamp = buffer.ReadBits(1);
int aux_data = buffer.ReadBits(1);
int hdcd = buffer.ReadBits(1);
int ext_descr = buffer.ReadBits(3);
int ext_coding = buffer.ReadBits(1);
int aspf = buffer.ReadBits(1);
int lfe = buffer.ReadBits(2);
int predictor_history = buffer.ReadBits(1);
if (crc_present == 1)
{
int crc = buffer.ReadBits(16);
}
int multirate_inter = buffer.ReadBits(1);
int version = buffer.ReadBits(4);
int copy_history = buffer.ReadBits(2);
int source_pcm_res = buffer.ReadBits(3);
int front_sum = buffer.ReadBits(1);
int surround_sum = buffer.ReadBits(1);
int dialog_norm = buffer.ReadBits(4);
if (source_pcm_res < 0 || source_pcm_res >= dca_bits_per_sample.Length)
{
return;
}
int subframes = buffer.ReadBits(4);
int total_channels = buffer.ReadBits(3) + 1 + ext_coding;
stream.SampleRate = dca_sample_rates[sample_rate];
stream.ChannelCount = total_channels;
stream.LFE = (lfe > 0 ? 1 : 0);
stream.BitDepth = dca_bits_per_sample[source_pcm_res];
stream.DialNorm = -dialog_norm;
if ((source_pcm_res & 0x1) == 0x1)
{
stream.AudioMode = TSAudioMode.Extended;
}
stream.BitRate = (uint)dca_bit_rates[bit_rate];
switch (stream.BitRate)
{
case 1:
if (bitrate > 0)
{
stream.BitRate = bitrate;
stream.IsVBR = false;
stream.IsInitialized = true;
}
else
{
stream.BitRate = 0;
}
break;
case 2:
case 3:
stream.IsVBR = true;
stream.IsInitialized = true;
break;
default:
stream.IsVBR = false;
stream.IsInitialized = true;
break;
}
}
}
}