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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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208
BDInfo/TSCodecMPEG2.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
//=============================================================================
#undef DEBUG
namespace BDInfo
{
public abstract class TSCodecMPEG2
{
public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
int parse = 0;
int pictureParse = 0;
int sequenceHeaderParse = 0;
int extensionParse = 0;
int sequenceExtensionParse = 0;
for (int i = 0; i < buffer.Length; i++)
{
parse = (parse << 8) + buffer.ReadByte();
if (parse == 0x00000100)
{
pictureParse = 2;
}
else if (parse == 0x000001B3)
{
sequenceHeaderParse = 7;
}
else if (sequenceHeaderParse > 0)
{
--sequenceHeaderParse;
switch (sequenceHeaderParse)
{
#if DEBUG
case 6:
break;
case 5:
break;
case 4:
stream.Width =
(int)((parse & 0xFFF000) >> 12);
stream.Height =
(int)(parse & 0xFFF);
break;
case 3:
stream.AspectRatio =
(TSAspectRatio)((parse & 0xF0) >> 4);
switch ((parse & 0xF0) >> 4)
{
case 0: // Forbidden
break;
case 1: // Square
break;
case 2: // 4:3
break;
case 3: // 16:9
break;
case 4: // 2.21:1
break;
default: // Reserved
break;
}
switch (parse & 0xF)
{
case 0: // Forbidden
break;
case 1: // 23.976
stream.FrameRateEnumerator = 24000;
stream.FrameRateDenominator = 1001;
break;
case 2: // 24
stream.FrameRateEnumerator = 24000;
stream.FrameRateDenominator = 1000;
break;
case 3: // 25
stream.FrameRateEnumerator = 25000;
stream.FrameRateDenominator = 1000;
break;
case 4: // 29.97
stream.FrameRateEnumerator = 30000;
stream.FrameRateDenominator = 1001;
break;
case 5: // 30
stream.FrameRateEnumerator = 30000;
stream.FrameRateDenominator = 1000;
break;
case 6: // 50
stream.FrameRateEnumerator = 50000;
stream.FrameRateDenominator = 1000;
break;
case 7: // 59.94
stream.FrameRateEnumerator = 60000;
stream.FrameRateDenominator = 1001;
break;
case 8: // 60
stream.FrameRateEnumerator = 60000;
stream.FrameRateDenominator = 1000;
break;
default: // Reserved
stream.FrameRateEnumerator = 0;
stream.FrameRateDenominator = 0;
break;
}
break;
case 2:
break;
case 1:
break;
#endif
case 0:
#if DEBUG
stream.BitRate =
(((parse & 0xFFFFC0) >> 6) * 200);
#endif
stream.IsVBR = true;
stream.IsInitialized = true;
break;
}
}
else if (pictureParse > 0)
{
--pictureParse;
if (pictureParse == 0)
{
switch ((parse & 0x38) >> 3)
{
case 1:
tag = "I";
break;
case 2:
tag = "P";
break;
case 3:
tag = "B";
break;
default:
break;
}
if (stream.IsInitialized) return;
}
}
else if (parse == 0x000001B5)
{
extensionParse = 1;
}
else if (extensionParse > 0)
{
--extensionParse;
if (extensionParse == 0)
{
if ((parse & 0xF0) == 0x10)
{
sequenceExtensionParse = 1;
}
}
}
else if (sequenceExtensionParse > 0)
{
--sequenceExtensionParse;
#if DEBUG
if (sequenceExtensionParse == 0)
{
uint sequenceExtension =
((parse & 0x8) >> 3);
if (sequenceExtension == 0)
{
stream.IsInterlaced = true;
}
else
{
stream.IsInterlaced = false;
}
}
#endif
}
}
}
}
}