Fixes #901 - Improve captured photo metadata

This commit is contained in:
Luke Pulverenti 2014-08-27 21:27:46 -04:00
parent 809e4629c0
commit 93ded925a7
14 changed files with 159 additions and 860 deletions

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@ -1,4 +1,5 @@
using System.Collections.Generic;
using MediaBrowser.Model.Drawing;
using System.Collections.Generic;
namespace MediaBrowser.Controller.Entities
{
@ -20,5 +21,18 @@ namespace MediaBrowser.Controller.Entities
return Model.Entities.MediaType.Photo;
}
}
public int? Width { get; set; }
public int? Height { get; set; }
public string CameraManufacturer { get; set; }
public string CameraModel { get; set; }
public string Software { get; set; }
public double? ExposureTime { get; set; }
public double? FocalLength { get; set; }
public ImageOrientation? Orientation { get; set; }
public double? Aperture { get; set; }
public double? ShutterSpeed { get; set; }
}
}

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@ -287,6 +287,9 @@
<Compile Include="..\MediaBrowser.Model\Drawing\DrawingUtils.cs">
<Link>Drawing\DrawingUtils.cs</Link>
</Compile>
<Compile Include="..\MediaBrowser.Model\Drawing\ImageOrientation.cs">
<Link>Drawing\ImageOrientation.cs</Link>
</Compile>
<Compile Include="..\MediaBrowser.Model\Drawing\ImageOutputFormat.cs">
<Link>Drawing\ImageOutputFormat.cs</Link>
</Compile>

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@ -250,6 +250,9 @@
<Compile Include="..\MediaBrowser.Model\Drawing\DrawingUtils.cs">
<Link>Drawing\DrawingUtils.cs</Link>
</Compile>
<Compile Include="..\MediaBrowser.Model\Drawing\ImageOrientation.cs">
<Link>Drawing\ImageOrientation.cs</Link>
</Compile>
<Compile Include="..\MediaBrowser.Model\Drawing\ImageOutputFormat.cs">
<Link>Drawing\ImageOutputFormat.cs</Link>
</Compile>

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@ -0,0 +1,16 @@

namespace MediaBrowser.Model.Drawing
{
public enum ImageOrientation
{
None = 0,
TopLeft = 1,
TopRight = 2,
BottomRight = 3,
BottomLeft = 4,
LeftTop = 5,
RightTop = 6,
RightBottom = 7,
LeftBottom = 8,
}
}

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@ -81,6 +81,7 @@
<Compile Include="Configuration\ChapterOptions.cs" />
<Compile Include="Configuration\XbmcMetadataOptions.cs" />
<Compile Include="Configuration\SubtitlePlaybackMode.cs" />
<Compile Include="Drawing\ImageOrientation.cs" />
<Compile Include="FileOrganization\AutoOrganizeOptions.cs" />
<Compile Include="FileOrganization\TvFileOrganizationOptions.cs" />
<Compile Include="Configuration\BaseApplicationConfiguration.cs" />

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@ -56,6 +56,9 @@
<Reference Include="MoreLinq">
<HintPath>..\packages\morelinq.1.0.16006\lib\net35\MoreLinq.dll</HintPath>
</Reference>
<Reference Include="policy.2.0.taglib-sharp">
<HintPath>..\packages\taglib.2.1.0.0\lib\policy.2.0.taglib-sharp.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Net" />
@ -64,6 +67,10 @@
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
<Reference Include="taglib-sharp">
<HintPath>..\packages\taglib.2.1.0.0\lib\taglib-sharp.dll</HintPath>
<Private>True</Private>
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="..\SharedVersion.cs">
@ -142,8 +149,6 @@
<Compile Include="Music\MusicBrainzAlbumProvider.cs" />
<Compile Include="People\PersonMetadataService.cs" />
<Compile Include="People\MovieDbPersonProvider.cs" />
<Compile Include="Photos\ExifReader.cs" />
<Compile Include="Photos\ExifTags.cs" />
<Compile Include="Photos\PhotoHelper.cs" />
<Compile Include="Photos\PhotoMetadataService.cs" />
<Compile Include="Photos\PhotoProvider.cs" />

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@ -1,613 +0,0 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
namespace MediaBrowser.Providers.Photos
{
/// <summary>
/// A class for reading Exif data from a JPEG file. The file will be open for reading for as long as the class exists.
/// <seealso cref="http://gvsoft.homedns.org/exif/Exif-explanation.html"/>
/// </summary>
public class ExifReader : IDisposable
{
private readonly FileStream fileStream = null;
private readonly BinaryReader reader = null;
/// <summary>
/// The catalogue of tag ids and their absolute offsets within the
/// file
/// </summary>
private Dictionary<ushort, long> catalogue;
/// <summary>
/// Indicates whether to read data using big or little endian byte aligns
/// </summary>
private bool isLittleEndian;
/// <summary>
/// The position in the filestream at which the TIFF header starts
/// </summary>
private long tiffHeaderStart;
public ExifReader(string fileName)
{
// JPEG encoding uses big endian (i.e. Motorola) byte aligns. The TIFF encoding
// found later in the document will specify the byte aligns used for the
// rest of the document.
isLittleEndian = false;
try
{
// Open the file in a stream
fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
reader = new BinaryReader(fileStream);
// Make sure the file's a JPEG.
if (ReadUShort() != 0xFFD8)
throw new Exception("File is not a valid JPEG");
// Scan to the start of the Exif content
ReadToExifStart();
// Create an index of all Exif tags found within the document
CreateTagIndex();
}
catch (Exception)
{
// If instantiation fails, make sure there's no mess left behind
Dispose();
throw;
}
}
#region TIFF methods
/// <summary>
/// Returns the length (in bytes) per component of the specified TIFF data type
/// </summary>
/// <returns></returns>
private byte GetTIFFFieldLength(ushort tiffDataType)
{
switch (tiffDataType)
{
case 1:
case 2:
case 6:
return 1;
case 3:
case 8:
return 2;
case 4:
case 7:
case 9:
case 11:
return 4;
case 5:
case 10:
case 12:
return 8;
default:
throw new Exception(string.Format("Unknown TIFF datatype: {0}", tiffDataType));
}
}
#endregion
#region Methods for reading data directly from the filestream
/// <summary>
/// Gets a 2 byte unsigned integer from the file
/// </summary>
/// <returns></returns>
private ushort ReadUShort()
{
return ToUShort(ReadBytes(2));
}
/// <summary>
/// Gets a 4 byte unsigned integer from the file
/// </summary>
/// <returns></returns>
private uint ReadUint()
{
return ToUint(ReadBytes(4));
}
private string ReadString(int chars)
{
return Encoding.ASCII.GetString(ReadBytes(chars));
}
private byte[] ReadBytes(int byteCount)
{
return reader.ReadBytes(byteCount);
}
/// <summary>
/// Reads some bytes from the specified TIFF offset
/// </summary>
/// <param name="tiffOffset"></param>
/// <param name="byteCount"></param>
/// <returns></returns>
private byte[] ReadBytes(ushort tiffOffset, int byteCount)
{
// Keep the current file offset
long originalOffset = fileStream.Position;
// Move to the TIFF offset and retrieve the data
fileStream.Seek(tiffOffset + tiffHeaderStart, SeekOrigin.Begin);
byte[] data = reader.ReadBytes(byteCount);
// Restore the file offset
fileStream.Position = originalOffset;
return data;
}
#endregion
#region Data conversion methods for interpreting datatypes from a byte array
/// <summary>
/// Converts 2 bytes to a ushort using the current byte aligns
/// </summary>
/// <returns></returns>
private ushort ToUShort(byte[] data)
{
if (isLittleEndian != BitConverter.IsLittleEndian)
Array.Reverse(data);
return BitConverter.ToUInt16(data, 0);
}
/// <summary>
/// Converts 8 bytes to an unsigned rational using the current byte aligns.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
/// <seealso cref="ToRational"/>
private double ToURational(byte[] data)
{
var numeratorData = new byte[4];
var denominatorData = new byte[4];
Array.Copy(data, numeratorData, 4);
Array.Copy(data, 4, denominatorData, 0, 4);
uint numerator = ToUint(numeratorData);
uint denominator = ToUint(denominatorData);
return numerator / (double)denominator;
}
/// <summary>
/// Converts 8 bytes to a signed rational using the current byte aligns.
/// </summary>
/// <remarks>
/// A TIFF rational contains 2 4-byte integers, the first of which is
/// the numerator, and the second of which is the denominator.
/// </remarks>
/// <param name="data"></param>
/// <returns></returns>
private double ToRational(byte[] data)
{
var numeratorData = new byte[4];
var denominatorData = new byte[4];
Array.Copy(data, numeratorData, 4);
Array.Copy(data, 4, denominatorData, 0, 4);
int numerator = ToInt(numeratorData);
int denominator = ToInt(denominatorData);
return numerator / (double)denominator;
}
/// <summary>
/// Converts 4 bytes to a uint using the current byte aligns
/// </summary>
/// <returns></returns>
private uint ToUint(byte[] data)
{
if (isLittleEndian != BitConverter.IsLittleEndian)
Array.Reverse(data);
return BitConverter.ToUInt32(data, 0);
}
/// <summary>
/// Converts 4 bytes to an int using the current byte aligns
/// </summary>
/// <returns></returns>
private int ToInt(byte[] data)
{
if (isLittleEndian != BitConverter.IsLittleEndian)
Array.Reverse(data);
return BitConverter.ToInt32(data, 0);
}
private double ToDouble(byte[] data)
{
if (isLittleEndian != BitConverter.IsLittleEndian)
Array.Reverse(data);
return BitConverter.ToDouble(data, 0);
}
private float ToSingle(byte[] data)
{
if (isLittleEndian != BitConverter.IsLittleEndian)
Array.Reverse(data);
return BitConverter.ToSingle(data, 0);
}
private short ToShort(byte[] data)
{
if (isLittleEndian != BitConverter.IsLittleEndian)
Array.Reverse(data);
return BitConverter.ToInt16(data, 0);
}
private sbyte ToSByte(byte[] data)
{
// An sbyte should just be a byte with an offset range.
return (sbyte)(data[0] - byte.MaxValue);
}
/// <summary>
/// Retrieves an array from a byte array using the supplied converter
/// to read each individual element from the supplied byte array
/// </summary>
/// <param name="data"></param>
/// <param name="elementLengthBytes"></param>
/// <param name="converter"></param>
/// <returns></returns>
private Array GetArray<T>(byte[] data, int elementLengthBytes, ConverterMethod<T> converter)
{
Array convertedData = Array.CreateInstance(typeof(T), data.Length / elementLengthBytes);
var buffer = new byte[elementLengthBytes];
// Read each element from the array
for (int elementCount = 0; elementCount < data.Length / elementLengthBytes; elementCount++)
{
// Place the data for the current element into the buffer
Array.Copy(data, elementCount * elementLengthBytes, buffer, 0, elementLengthBytes);
// Process the data and place it into the output array
convertedData.SetValue(converter(buffer), elementCount);
}
return convertedData;
}
/// <summary>
/// A delegate used to invoke any of the data conversion methods
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
private delegate T ConverterMethod<out T>(byte[] data);
#endregion
#region Stream seek methods - used to get to locations within the JPEG
/// <summary>
/// Scans to the Exif block
/// </summary>
private void ReadToExifStart()
{
// The file has a number of blocks (Exif/JFIF), each of which
// has a tag number followed by a length. We scan the document until the required tag (0xFFE1)
// is found. All tags start with FF, so a non FF tag indicates an error.
// Get the next tag.
byte markerStart;
byte markerNumber = 0;
while (((markerStart = reader.ReadByte()) == 0xFF) && (markerNumber = reader.ReadByte()) != 0xE1)
{
// Get the length of the data.
ushort dataLength = ReadUShort();
// Jump to the end of the data (note that the size field includes its own size)!
reader.BaseStream.Seek(dataLength - 2, SeekOrigin.Current);
}
// It's only success if we found the 0xFFE1 marker
if (markerStart != 0xFF || markerNumber != 0xE1)
throw new Exception("Could not find Exif data block");
}
/// <summary>
/// Reads through the Exif data and builds an index of all Exif tags in the document
/// </summary>
/// <returns></returns>
private void CreateTagIndex()
{
// The next 4 bytes are the size of the Exif data.
ReadUShort();
// Next is the Exif data itself. It starts with the ASCII "Exif" followed by 2 zero bytes.
if (ReadString(4) != "Exif")
throw new Exception("Exif data not found");
// 2 zero bytes
if (ReadUShort() != 0)
throw new Exception("Malformed Exif data");
// We're now into the TIFF format
tiffHeaderStart = reader.BaseStream.Position;
// What byte align will be used for the TIFF part of the document? II for Intel, MM for Motorola
isLittleEndian = ReadString(2) == "II";
// Next 2 bytes are always the same.
if (ReadUShort() != 0x002A)
throw new Exception("Error in TIFF data");
// Get the offset to the IFD (image file directory)
uint ifdOffset = ReadUint();
// Note that this offset is from the first byte of the TIFF header. Jump to the IFD.
fileStream.Position = ifdOffset + tiffHeaderStart;
// Catalogue this first IFD (there will be another IFD)
CatalogueIFD();
// There's more data stored in the subifd, the offset to which is found in tag 0x8769.
// As with all TIFF offsets, it will be relative to the first byte of the TIFF header.
uint offset;
if (!GetTagValue(0x8769, out offset))
throw new Exception("Unable to locate Exif data");
// Jump to the exif SubIFD
fileStream.Position = offset + tiffHeaderStart;
// Add the subIFD to the catalogue too
CatalogueIFD();
// Go to the GPS IFD and catalogue that too. It's an optional
// section.
if (GetTagValue(0x8825, out offset))
{
// Jump to the GPS SubIFD
fileStream.Position = offset + tiffHeaderStart;
// Add the subIFD to the catalogue too
CatalogueIFD();
}
}
#endregion
#region Exif data catalog and retrieval methods
public bool GetTagValue<T>(ExifTags tag, out T result)
{
return GetTagValue((ushort)tag, out result);
}
/// <summary>
/// Retrieves an Exif value with the requested tag ID
/// </summary>
/// <param name="tagID"></param>
/// <param name="result"></param>
/// <returns></returns>
public bool GetTagValue<T>(ushort tagID, out T result)
{
ushort tiffDataType;
uint numberOfComponents;
byte[] tagData = GetTagBytes(tagID, out tiffDataType, out numberOfComponents);
if (tagData == null)
{
result = default(T);
return false;
}
byte fieldLength = GetTIFFFieldLength(tiffDataType);
// Convert the data to the appropriate datatype. Note the weird boxing via object.
// The compiler doesn't like it otherwise.
switch (tiffDataType)
{
case 1:
// unsigned byte
if (numberOfComponents == 1)
result = (T)(object)tagData[0];
else
result = (T)(object)tagData;
return true;
case 2:
// ascii string
string str = Encoding.ASCII.GetString(tagData);
// There may be a null character within the string
int nullCharIndex = str.IndexOf('\0');
if (nullCharIndex != -1)
str = str.Substring(0, nullCharIndex);
// Special processing for dates.
if (typeof(T) == typeof(DateTime))
{
result =
(T)(object)DateTime.ParseExact(str, "yyyy:MM:dd HH:mm:ss", CultureInfo.InvariantCulture);
return true;
}
result = (T)(object)str;
return true;
case 3:
// unsigned short
if (numberOfComponents == 1)
result = (T)(object)ToUShort(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToUShort);
return true;
case 4:
// unsigned long
if (numberOfComponents == 1)
result = (T)(object)ToUint(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToUint);
return true;
case 5:
// unsigned rational
if (numberOfComponents == 1)
result = (T)(object)ToURational(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToURational);
return true;
case 6:
// signed byte
if (numberOfComponents == 1)
result = (T)(object)ToSByte(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToSByte);
return true;
case 7:
// undefined. Treat it as an unsigned integer.
if (numberOfComponents == 1)
result = (T)(object)ToUint(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToUint);
return true;
case 8:
// Signed short
if (numberOfComponents == 1)
result = (T)(object)ToShort(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToShort);
return true;
case 9:
// Signed long
if (numberOfComponents == 1)
result = (T)(object)ToInt(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToInt);
return true;
case 10:
// signed rational
if (numberOfComponents == 1)
result = (T)(object)ToRational(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToRational);
return true;
case 11:
// single float
if (numberOfComponents == 1)
result = (T)(object)ToSingle(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToSingle);
return true;
case 12:
// double float
if (numberOfComponents == 1)
result = (T)(object)ToDouble(tagData);
else
result = (T)(object)GetArray(tagData, fieldLength, ToDouble);
return true;
default:
throw new Exception(string.Format("Unknown TIFF datatype: {0}", tiffDataType));
}
}
/// <summary>
/// Gets the data in the specified tag ID, starting from before the IFD block.
/// </summary>
/// <param name="tiffDataType"></param>
/// <param name="numberOfComponents">The number of items which make up the data item - i.e. for a string, this will be the
/// number of characters in the string</param>
/// <param name="tagID"></param>
private byte[] GetTagBytes(ushort tagID, out ushort tiffDataType, out uint numberOfComponents)
{
// Get the tag's offset from the catalogue and do some basic error checks
if (fileStream == null || reader == null || catalogue == null || !catalogue.ContainsKey(tagID))
{
tiffDataType = 0;
numberOfComponents = 0;
return null;
}
long tagOffset = catalogue[tagID];
// Jump to the TIFF offset
fileStream.Position = tagOffset;
// Read the tag number from the file
ushort currentTagID = ReadUShort();
if (currentTagID != tagID)
throw new Exception("Tag number not at expected offset");
// Read the offset to the Exif IFD
tiffDataType = ReadUShort();
numberOfComponents = ReadUint();
byte[] tagData = ReadBytes(4);
// If the total space taken up by the field is longer than the
// 2 bytes afforded by the tagData, tagData will contain an offset
// to the actual data.
var dataSize = (int)(numberOfComponents * GetTIFFFieldLength(tiffDataType));
if (dataSize > 4)
{
ushort offsetAddress = ToUShort(tagData);
return ReadBytes(offsetAddress, dataSize);
}
// The value is stored in the tagData starting from the left
Array.Resize(ref tagData, dataSize);
return tagData;
}
/// <summary>
/// Records all Exif tags and their offsets within
/// the file from the current IFD
/// </summary>
private void CatalogueIFD()
{
if (catalogue == null)
catalogue = new Dictionary<ushort, long>();
// Assume we're just before the IFD.
// First 2 bytes is the number of entries in this IFD
ushort entryCount = ReadUShort();
for (ushort currentEntry = 0; currentEntry < entryCount; currentEntry++)
{
ushort currentTagNumber = ReadUShort();
// Record this in the catalogue
catalogue[currentTagNumber] = fileStream.Position - 2;
// Go to the end of this item (10 bytes, as each entry is 12 bytes long)
reader.BaseStream.Seek(10, SeekOrigin.Current);
}
}
#endregion
#region IDisposable Members
public void Dispose()
{
// Make sure the file handle is released
if (reader != null)
reader.Close();
if (fileStream != null)
fileStream.Close();
}
#endregion
}
}

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@ -1,132 +0,0 @@

namespace MediaBrowser.Providers.Photos
{
/// <summary>
/// All exif tags as per the Exif standard 2.2, JEITA CP-2451
/// </summary>
public enum ExifTags : ushort
{
// IFD0 items
ImageWidth = 0x100,
ImageLength = 0x101,
BitsPerSample = 0x102,
Compression = 0x103,
PhotometricInterpretation = 0x106,
ImageDescription = 0x10E,
Make = 0x10F,
Model = 0x110,
StripOffsets = 0x111,
Orientation = 0x112,
SamplesPerPixel = 0x115,
RowsPerStrip = 0x116,
StripByteCounts = 0x117,
XResolution = 0x11A,
YResolution = 0x11B,
PlanarConfiguration = 0x11C,
ResolutionUnit = 0x128,
TransferFunction = 0x12D,
Software = 0x131,
DateTime = 0x132,
Artist = 0x13B,
WhitePoint = 0x13E,
PrimaryChromaticities = 0x13F,
JPEGInterchangeFormat = 0x201,
JPEGInterchangeFormatLength = 0x202,
YCbCrCoefficients = 0x211,
YCbCrSubSampling = 0x212,
YCbCrPositioning = 0x213,
ReferenceBlackWhite = 0x214,
Copyright = 0x8298,
// SubIFD items
ExposureTime = 0x829A,
FNumber = 0x829D,
ExposureProgram = 0x8822,
SpectralSensitivity = 0x8824,
ISOSpeedRatings = 0x8827,
OECF = 0x8828,
ExifVersion = 0x9000,
DateTimeOriginal = 0x9003,
DateTimeDigitized = 0x9004,
ComponentsConfiguration = 0x9101,
CompressedBitsPerPixel = 0x9102,
ShutterSpeedValue = 0x9201,
ApertureValue = 0x9202,
BrightnessValue = 0x9203,
ExposureBiasValue = 0x9204,
MaxApertureValue = 0x9205,
SubjectDistance = 0x9206,
MeteringMode = 0x9207,
LightSource = 0x9208,
Flash = 0x9209,
FocalLength = 0x920A,
SubjectArea = 0x9214,
MakerNote = 0x927C,
UserComment = 0x9286,
SubsecTime = 0x9290,
SubsecTimeOriginal = 0x9291,
SubsecTimeDigitized = 0x9292,
FlashpixVersion = 0xA000,
ColorSpace = 0xA001,
PixelXDimension = 0xA002,
PixelYDimension = 0xA003,
RelatedSoundFile = 0xA004,
FlashEnergy = 0xA20B,
SpatialFrequencyResponse = 0xA20C,
FocalPlaneXResolution = 0xA20E,
FocalPlaneYResolution = 0xA20F,
FocalPlaneResolutionUnit = 0xA210,
SubjectLocation = 0xA214,
ExposureIndex = 0xA215,
SensingMethod = 0xA217,
FileSource = 0xA300,
SceneType = 0xA301,
CFAPattern = 0xA302,
CustomRendered = 0xA401,
ExposureMode = 0xA402,
WhiteBalance = 0xA403,
DigitalZoomRatio = 0xA404,
FocalLengthIn35mmFilm = 0xA405,
SceneCaptureType = 0xA406,
GainControl = 0xA407,
Contrast = 0xA408,
Saturation = 0xA409,
Sharpness = 0xA40A,
DeviceSettingDescription = 0xA40B,
SubjectDistanceRange = 0xA40C,
ImageUniqueID = 0xA420,
// GPS subifd items
GPSVersionID = 0x0,
GPSLatitudeRef = 0x1,
GPSLatitude = 0x2,
GPSLongitudeRef = 0x3,
GPSLongitude = 0x4,
GPSAltitudeRef = 0x5,
GPSAltitude = 0x6,
GPSTimeStamp = 0x7,
GPSSatellites = 0x8,
GPSStatus = 0x9,
GPSMeasureMode = 0xA,
GPSDOP = 0xB,
GPSSpeedRef = 0xC,
GPSSpeed = 0xD,
GPSTrackRef = 0xE,
GPSTrack = 0xF,
GPSImgDirectionRef = 0x10,
GPSImgDirection = 0x11,
GPSMapDatum = 0x12,
GPSDestLatitudeRef = 0x13,
GPSDestLatitude = 0x14,
GPSDestLongitudeRef = 0x15,
GPSDestLongitude = 0x16,
GPSDestBearingRef = 0x17,
GPSDestBearing = 0x18,
GPSDestDistanceRef = 0x19,
GPSDestDistance = 0x1A,
GPSProcessingMethod = 0x1B,
GPSAreaInformation = 0x1C,
GPSDateStamp = 0x1D,
GPSDifferential = 0x1E
}
}

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@ -1,25 +1,10 @@
using MediaBrowser.Controller.Entities;
using System;
using System.Collections.Generic;
using System;
using System.Text;
namespace MediaBrowser.Providers.Photos
{
public static class PhotoHelper
{
public static List<BaseItem> ShuffleList(List<BaseItem> list)
{
var rnd = new Random(DateTime.Now.Second);
for (var i = 1; i < list.Count; i++)
{
var pos = rnd.Next(i + 1);
var x = list[i];
list[i] = list[pos];
list[pos] = x;
}
return list;
}
public static string Dec2Frac(double dbl)
{
char neg = ' ';

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@ -5,9 +5,13 @@ using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using TagLib;
using TagLib.IFD;
using TagLib.IFD.Entries;
using TagLib.IFD.Tags;
namespace MediaBrowser.Providers.Photos
{
@ -27,100 +31,101 @@ namespace MediaBrowser.Providers.Photos
item.SetImagePath(ImageType.Primary, item.Path);
item.SetImagePath(ImageType.Backdrop, item.Path);
if (item.Path.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase) || item.Path.EndsWith(".jpeg", StringComparison.OrdinalIgnoreCase))
// Examples: https://github.com/mono/taglib-sharp/blob/a5f6949a53d09ce63ee7495580d6802921a21f14/tests/fixtures/TagLib.Tests.Images/NullOrientationTest.cs
try
{
try
var file = File.Create(item.Path);
var image = file as TagLib.Image.File;
var tag = file.GetTag(TagTypes.TiffIFD) as IFDTag;
if (tag != null)
{
using (var reader = new ExifReader(item.Path))
var structure = tag.Structure;
if (structure != null)
{
double aperture = 0;
double shutterSpeed = 0;
var exif = structure.GetEntry(0, (ushort)IFDEntryTag.ExifIFD) as SubIFDEntry;
DateTime dateTaken;
string manufacturer;
string model;
reader.GetTagValue(ExifTags.FNumber, out aperture);
reader.GetTagValue(ExifTags.ExposureTime, out shutterSpeed);
reader.GetTagValue(ExifTags.DateTimeOriginal, out dateTaken);
reader.GetTagValue(ExifTags.Make, out manufacturer);
reader.GetTagValue(ExifTags.Model, out model);
if (dateTaken > DateTime.MinValue)
if (exif != null)
{
item.DateCreated = dateTaken;
item.PremiereDate = dateTaken;
item.ProductionYear = dateTaken.Year;
var exifStructure = exif.Structure;
if (exifStructure != null)
{
var entry = exifStructure.GetEntry(0, (ushort)ExifEntryTag.ApertureValue) as RationalIFDEntry;
if (entry != null)
{
double val = entry.Value.Numerator;
val /= entry.Value.Denominator;
item.Aperture = val;
}
entry = exifStructure.GetEntry(0, (ushort)ExifEntryTag.ShutterSpeedValue) as RationalIFDEntry;
if (entry != null)
{
double val = entry.Value.Numerator;
val /= entry.Value.Denominator;
item.ShutterSpeed = val;
}
}
}
var cameraModel = manufacturer ?? string.Empty;
cameraModel += " ";
cameraModel += model ?? string.Empty;
var size = _imageProcessor.GetImageSize(item.Path);
var xResolution = size.Width;
var yResolution = size.Height;
item.Overview = "Taken " + dateTaken.ToString("F") + "\n" +
(!string.IsNullOrWhiteSpace(cameraModel) ? "With a " + cameraModel : "") +
(aperture > 0 && shutterSpeed > 0 ? " at f" + aperture.ToString(CultureInfo.InvariantCulture) + " and " + PhotoHelper.Dec2Frac(shutterSpeed) + "s" : "") + "\n"
+ (xResolution > 0 ? "\n<br/>Resolution: " + xResolution + "x" + yResolution : "");
}
}
catch (Exception e)
item.CameraManufacturer = image.ImageTag.Make;
item.CameraModel = image.ImageTag.Model;
var rating = image.ImageTag.Rating;
if (rating.HasValue)
{
_logger.ErrorException("Image Provider - Error reading image tag for {0}", e, item.Path);
item.CommunityRating = rating;
}
else
{
item.CommunityRating = null;
}
item.Overview = image.ImageTag.Comment;
if (!string.IsNullOrWhiteSpace(image.ImageTag.Title))
{
item.Name = image.ImageTag.Title;
}
var dateTaken = image.ImageTag.DateTime;
if (dateTaken.HasValue)
{
item.DateCreated = dateTaken.Value;
item.PremiereDate = dateTaken.Value;
item.ProductionYear = dateTaken.Value.Year;
}
var size = _imageProcessor.GetImageSize(item.Path);
item.Height = Convert.ToInt32(size.Height);
item.Width = Convert.ToInt32(size.Width);
item.Genres = image.ImageTag.Genres.ToList();
item.Tags = image.ImageTag.Keywords.ToList();
item.Software = image.ImageTag.Software;
Model.Drawing.ImageOrientation orientation;
if (Enum.TryParse(image.ImageTag.Orientation.ToString(), true, out orientation))
{
item.Orientation = orientation;
}
item.ExposureTime = image.ImageTag.ExposureTime;
item.FocalLength = image.ImageTag.FocalLength;
}
catch (Exception e)
{
_logger.ErrorException("Image Provider - Error reading image tag for {0}", e, item.Path);
}
//// Get additional tags from xmp
//try
//{
// using (var fs = new FileStream(item.Path, FileMode.Open, FileAccess.Read))
// {
// var bf = BitmapFrame.Create(fs);
// if (bf != null)
// {
// var data = (BitmapMetadata)bf.Metadata;
// if (data != null)
// {
// DateTime dateTaken;
// var cameraModel = "";
// DateTime.TryParse(data.DateTaken, out dateTaken);
// if (dateTaken > DateTime.MinValue) item.DateCreated = dateTaken;
// cameraModel = data.CameraModel;
// item.PremiereDate = dateTaken;
// item.ProductionYear = dateTaken.Year;
// item.Overview = "Taken " + dateTaken.ToString("F") + "\n" +
// (cameraModel != "" ? "With a " + cameraModel : "") +
// (aperture > 0 && shutterSpeed > 0 ? " at f" + aperture.ToString(CultureInfo.InvariantCulture) + " and " + PhotoHelper.Dec2Frac(shutterSpeed) + "s" : "") + "\n"
// + (bf.Width > 0 ? "\n<br/>Resolution: " + (int)bf.Width + "x" + (int)bf.Height : "");
// var photo = item as Photo;
// if (data.Keywords != null) item.Genres = photo.Tags = new List<string>(data.Keywords);
// item.Name = !string.IsNullOrWhiteSpace(data.Title) ? data.Title : item.Name;
// item.CommunityRating = data.Rating;
// if (!string.IsNullOrWhiteSpace(data.Subject)) photo.AddTagline(data.Subject);
// }
// }
// }
//}
//catch (NotSupportedException)
//{
// // No problem - move on
//}
//catch (Exception e)
//{
// _logger.ErrorException("Error trying to read extended data from {0}", e, item.Path);
//}
const ItemUpdateType result = ItemUpdateType.ImageUpdate | ItemUpdateType.MetadataImport;
return Task.FromResult(result);

View File

@ -2,4 +2,5 @@
<packages>
<package id="MediaBrowser.BdInfo" version="1.0.0.10" targetFramework="net45" />
<package id="morelinq" version="1.0.16006" targetFramework="net45" />
<package id="taglib" version="2.1.0.0" targetFramework="net45" />
</packages>

View File

@ -61,7 +61,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
// Mono.Nat does never rise this event. The event is there however it is useless.
// You could remove it with no risk.
// NatUtility.DeviceLost += NatUtility_DeviceLost;
NatUtility.DeviceLost += NatUtility_DeviceLost;
// it is hard to say what one should do when an unhandled exception is raised
@ -71,7 +71,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
_isStarted = true;
_timer = new Timer(s => _createdRules = new List<string>(), null, TimeSpan.FromHours(6), TimeSpan.FromHours(6));
_timer = new Timer(s => _createdRules = new List<string>(), null, TimeSpan.FromMinutes(10), TimeSpan.FromMinutes(10));
}
}
@ -123,7 +123,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
if (!_createdRules.Contains(address))
{
_createdRules.Add(address);
var info = _appHost.GetSystemInfo();
CreatePortMap(device, info.HttpServerPortNumber);
@ -141,11 +141,11 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
}
// As I said before, this method will be never invoked. You can remove it.
//void NatUtility_DeviceLost(object sender, DeviceEventArgs e)
//{
// var device = e.Device;
// _logger.Debug("NAT device lost: {0}", device.LocalAddress.ToString());
//}
void NatUtility_DeviceLost(object sender, DeviceEventArgs e)
{
var device = e.Device;
_logger.Debug("NAT device lost: {0}", device.LocalAddress.ToString());
}
public void Dispose()
{
@ -167,7 +167,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
// This is not a significant improvement
NatUtility.StopDiscovery();
NatUtility.DeviceFound -= NatUtility_DeviceFound;
//NatUtility.DeviceLost -= NatUtility_DeviceLost;
NatUtility.DeviceLost -= NatUtility_DeviceLost;
NatUtility.UnhandledException -= NatUtility_UnhandledException;
}
// Statements in try-block will no fail because StopDiscovery is a one-line

View File

@ -1105,5 +1105,7 @@
"OptionDirector": "Director",
"OptionGuestStar": "Guest star",
"OptionProducer": "Producer",
"OptionWriter": "Writer"
"OptionWriter": "Writer",
"LabelAirDays": "Air days:",
"LabelAirTime": "Air time:"
}

View File

@ -35,7 +35,7 @@ namespace MediaBrowser.ServerApplication.FFMpeg
switch (arg)
{
case "Version":
return "20140612";
return "20140827";
case "FFMpegFilename":
return "ffmpeg.exe";
case "FFProbeFilename":
@ -111,9 +111,18 @@ namespace MediaBrowser.ServerApplication.FFMpeg
switch (pid)
{
case PlatformID.Win32NT:
if (PlatformDetection.IsX86_64)
{
return new[]
{
"http://ffmpeg.zeranoe.com/builds/win64/static/ffmpeg-20140827-git-9e8ab36-win64-static.7z",
"https://github.com/MediaBrowser/MediaBrowser.Resources/raw/master/ffmpeg/windows/ffmpeg-20140612-git-3a1c895-win32-static.7z"
};
}
return new[]
{
"http://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20140612-git-3a1c895-win32-static.7z",
"http://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20140827-git-9e8ab36-win32-static.7z",
"https://github.com/MediaBrowser/MediaBrowser.Resources/raw/master/ffmpeg/windows/ffmpeg-20140612-git-3a1c895-win32-static.7z"
};