public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
stream.IsVBR = true;
stream.IsInitialized = true;
}
public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
stream.IsVBR = true;
stream.IsInitialized = true;
}
/// <summary>
/// Adds the video stream.
/// </summary>
/// <param name="streams">The streams.</param>
/// <param name="videoStream">The video stream.</param>
private void AddVideoStream(List <MediaStream> streams, TSVideoStream videoStream)
{
var mediaStream = new MediaStream
{
BitRate = Convert.ToInt32(videoStream.BitRate),
Width = videoStream.Width,
Height = videoStream.Height,
Codec = videoStream.CodecShortName,
IsInterlaced = videoStream.IsInterlaced,
Type = MediaStreamType.Video,
Index = streams.Count
};
if (videoStream.FrameRateDenominator > 0)
{
float frameRateEnumerator = videoStream.FrameRateEnumerator;
float frameRateDenominator = videoStream.FrameRateDenominator;
mediaStream.AverageFrameRate = mediaStream.RealFrameRate = frameRateEnumerator / frameRateDenominator;
}
streams.Add(mediaStream);
}
public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
uint parse = 0;
byte accessUnitDelimiterParse = 0;
byte sequenceParameterSetParse = 0;
string profile = null;
string level = null;
byte constraintSet0Flag = 0;
byte constraintSet1Flag = 0;
byte constraintSet2Flag = 0;
byte constraintSet3Flag = 0;
for (int i = 0; i < buffer.Length; i++)
{
parse = (parse << 8) + buffer.ReadByte();
if (parse == 0x00000109)
{
accessUnitDelimiterParse = 1;
}
else if (accessUnitDelimiterParse > 0)
{
--accessUnitDelimiterParse;
if (accessUnitDelimiterParse == 0)
{
switch ((parse & 0xFF) >> 5)
{
case 0: // I
case 3: // SI
case 5: // I, SI
tag = "I";
break;
case 1: // I, P
case 4: // SI, SP
case 6: // I, SI, P, SP
tag = "P";
break;
case 2: // I, P, B
case 7: // I, SI, P, SP, B
tag = "B";
break;
}
if (stream.IsInitialized)
{
return;
}
}
}
else if (parse == 0x00000127 || parse == 0x00000167)
{
sequenceParameterSetParse = 3;
}
else if (sequenceParameterSetParse > 0)
{
--sequenceParameterSetParse;
switch (sequenceParameterSetParse)
{
case 2:
switch (parse & 0xFF)
{
case 66:
profile = "Baseline Profile";
break;
case 77:
profile = "Main Profile";
break;
case 88:
profile = "Extended Profile";
break;
case 100:
profile = "High Profile";
break;
case 110:
profile = "High 10 Profile";
break;
case 122:
profile = "High 4:2:2 Profile";
break;
case 144:
profile = "High 4:4:4 Profile";
break;
default:
profile = "Unknown Profile";
break;
}
break;
case 1:
constraintSet0Flag = (byte)
((parse & 0x80) >> 7);
constraintSet1Flag = (byte)
((parse & 0x40) >> 6);
constraintSet2Flag = (byte)
((parse & 0x20) >> 5);
constraintSet3Flag = (byte)
((parse & 0x10) >> 4);
break;
case 0:
byte b = (byte)(parse & 0xFF);
if (b == 11 && constraintSet3Flag == 1)
{
level = "1b";
}
else
{
level = string.Format(
"{0:D}.{1:D}",
b / 10, (b - ((b / 10) * 10)));
}
stream.EncodingProfile = string.Format(
"{0} {1}", profile, level);
stream.IsVBR = true;
stream.IsInitialized = true;
break;
}
}
}
return;
}
public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
int parse = 0;
byte frameHeaderParse = 0;
byte sequenceHeaderParse = 0;
bool isInterlaced = false;
for (int i = 0; i < buffer.Length; i++)
{
parse = (parse << 8) + buffer.ReadByte();
if (parse == 0x0000010D)
{
frameHeaderParse = 4;
}
else if (frameHeaderParse > 0)
{
--frameHeaderParse;
if (frameHeaderParse == 0)
{
uint pictureType = 0;
if (isInterlaced)
{
if ((parse & 0x80000000) == 0)
{
pictureType =
(uint)((parse & 0x78000000) >> 13);
}
else
{
pictureType =
(uint)((parse & 0x3c000000) >> 12);
}
}
else
{
pictureType =
(uint)((parse & 0xf0000000) >> 14);
}
if ((pictureType & 0x20000) == 0)
{
tag = "P";
}
else if ((pictureType & 0x10000) == 0)
{
tag = "B";
}
else if ((pictureType & 0x8000) == 0)
{
tag = "I";
}
else if ((pictureType & 0x4000) == 0)
{
tag = "BI";
}
else
{
tag = null;
}
if (stream.IsInitialized)
{
return;
}
}
}
else if (parse == 0x0000010F)
{
sequenceHeaderParse = 6;
}
else if (sequenceHeaderParse > 0)
{
--sequenceHeaderParse;
switch (sequenceHeaderParse)
{
case 5:
int profileLevel = ((parse & 0x38) >> 3);
if (((parse & 0xC0) >> 6) == 3)
{
stream.EncodingProfile = string.Format(
"Advanced Profile {0}", profileLevel);
}
else
{
stream.EncodingProfile = string.Format(
"Main Profile {0}", profileLevel);
}
break;
case 0:
if (((parse & 0x40) >> 6) > 0)
{
isInterlaced = true;
}
else
{
isInterlaced = false;
}
break;
}
stream.IsVBR = true;
stream.IsInitialized = true;
}
}
}
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
}
}
}
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
}
}
}
public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
uint parse = 0;
byte accessUnitDelimiterParse = 0;
byte sequenceParameterSetParse = 0;
string profile = null;
string level = null;
byte constraintSet0Flag = 0;
byte constraintSet1Flag = 0;
byte constraintSet2Flag = 0;
byte constraintSet3Flag = 0;
for (int i = 0; i < buffer.Length; i++)
{
parse = (parse << 8) + buffer.ReadByte();
if (parse == 0x00000109)
{
accessUnitDelimiterParse = 1;
}
else if (accessUnitDelimiterParse > 0)
{
--accessUnitDelimiterParse;
if (accessUnitDelimiterParse == 0)
{
switch ((parse & 0xFF) >> 5)
{
case 0: // I
case 3: // SI
case 5: // I, SI
tag = "I";
break;
case 1: // I, P
case 4: // SI, SP
case 6: // I, SI, P, SP
tag = "P";
break;
case 2: // I, P, B
case 7: // I, SI, P, SP, B
tag = "B";
break;
}
if (stream.IsInitialized) return;
}
}
else if (parse == 0x00000127 || parse == 0x00000167)
{
sequenceParameterSetParse = 3;
}
else if (sequenceParameterSetParse > 0)
{
--sequenceParameterSetParse;
switch (sequenceParameterSetParse)
{
case 2:
switch (parse & 0xFF)
{
case 66:
profile = "Baseline Profile";
break;
case 77:
profile = "Main Profile";
break;
case 88:
profile = "Extended Profile";
break;
case 100:
profile = "High Profile";
break;
case 110:
profile = "High 10 Profile";
break;
case 122:
profile = "High 4:2:2 Profile";
break;
case 144:
profile = "High 4:4:4 Profile";
break;
default:
profile = "Unknown Profile";
break;
}
break;
case 1:
constraintSet0Flag = (byte)
((parse & 0x80) >> 7);
constraintSet1Flag = (byte)
((parse & 0x40) >> 6);
constraintSet2Flag = (byte)
((parse & 0x20) >> 5);
constraintSet3Flag = (byte)
((parse & 0x10) >> 4);
break;
case 0:
byte b = (byte)(parse & 0xFF);
if (b == 11 && constraintSet3Flag == 1)
{
level = "1b";
}
else
{
level = string.Format(
"{0:D}.{1:D}",
b / 10, (b - ((b / 10) * 10)));
}
stream.EncodingProfile = string.Format(
"{0} {1}", profile, level);
stream.IsVBR = true;
stream.IsInitialized = true;
break;
}
}
}
return;
}
public void Scan(TSVideoStream stream, TSStreamBuffer buffer, ref string tag)
{
var parse = 0;
byte frameHeaderParse = 0;
byte sequenceHeaderParse = 0;
var isInterlaced = false;
for (var i = 0; i < buffer.Length; i++)
{
parse = (parse << 8) + buffer.ReadByte();
if (parse == 0x0000010D)
{
frameHeaderParse = 4;
}
else if (frameHeaderParse > 0)
{
--frameHeaderParse;
if (frameHeaderParse != 0)
{
continue;
}
uint pictureType = 0;
if (isInterlaced)
{
if ((parse & 0x80000000) == 0)
{
pictureType = (uint)((parse & 0x78000000) >> 13);
}
else
{
pictureType = (uint)((parse & 0x3c000000) >> 12);
}
}
else
{
pictureType = (uint)((parse & 0xf0000000) >> 14);
}
if ((pictureType & 0x20000) == 0)
{
tag = "P";
}
else if ((pictureType & 0x10000) == 0)
{
tag = "B";
}
else if ((pictureType & 0x8000) == 0)
{
tag = "I";
}
else if ((pictureType & 0x4000) == 0)
{
tag = "BI";
}
else
{
tag = null;
}
if (stream.IsInitialized)
{
return;
}
}
else if (parse == 0x0000010F)
{
sequenceHeaderParse = 6;
}
else if (sequenceHeaderParse > 0)
{
--sequenceHeaderParse;
switch (sequenceHeaderParse)
{
case 5:
var profileLevel = (parse & 0x38) >> 3;
stream.EncodingProfile = (parse & 0xC0) >> 6 == 3 ? $"Advanced Profile {profileLevel}" : $"Main Profile {profileLevel}";
break;
case 0:
isInterlaced = (parse & 0x40) >> 6 > 0;
break;
}
stream.IsVBR = true;
stream.IsInitialized = true;
}
}
}
public static void Scan(
TSVideoStream stream,
TSStreamBuffer buffer,
ref string tag)
{
int parse = 0;
byte frameHeaderParse = 0;
byte sequenceHeaderParse = 0;
bool isInterlaced = false;
for (int i = 0; i < buffer.Length; i++)
{
parse = (parse << 8) + buffer.ReadByte();
if (parse == 0x0000010D)
{
frameHeaderParse = 4;
}
else if (frameHeaderParse > 0)
{
--frameHeaderParse;
if (frameHeaderParse == 0)
{
uint pictureType = 0;
if (isInterlaced)
{
if ((parse & 0x80000000) == 0)
{
pictureType =
(uint)((parse & 0x78000000) >> 13);
}
else
{
pictureType =
(uint)((parse & 0x3c000000) >> 12);
}
}
else
{
pictureType =
(uint)((parse & 0xf0000000) >> 14);
}
if ((pictureType & 0x20000) == 0)
{
tag = "P";
}
else if ((pictureType & 0x10000) == 0)
{
tag = "B";
}
else if ((pictureType & 0x8000) == 0)
{
tag = "I";
}
else if ((pictureType & 0x4000) == 0)
{
tag = "BI";
}
else
{
tag = null;
}
if (stream.IsInitialized) return;
}
}
else if (parse == 0x0000010F)
{
sequenceHeaderParse = 6;
}
else if (sequenceHeaderParse > 0)
{
--sequenceHeaderParse;
switch (sequenceHeaderParse)
{
case 5:
int profileLevel = ((parse & 0x38) >> 3);
if (((parse & 0xC0) >> 6) == 3)
{
stream.EncodingProfile = string.Format(
"Advanced Profile {0}", profileLevel);
}
else
{
stream.EncodingProfile = string.Format(
"Main Profile {0}", profileLevel);
}
break;
case 0:
if (((parse & 0x40) >> 6) > 0)
{
isInterlaced = true;
}
else
{
isInterlaced = false;
}
break;
}
stream.IsVBR = true;
stream.IsInitialized = true;
}
}
}
