avcodec/exif: Move tag_list out of header

It is only used by exif.c (and e.g. EXIF_TAG_NAME_LENGTH
is an implementation detail anyway).
Also remove the sentinel, as it is used in conjunction
with FF_ARRAY_ELEMS.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

2 files changed, 127 insertions, 130 deletions

diff --git a/libavcodec/exif.c b/libavcodec/exif.c
index 9485b24b8e..959d114d09 100644
--- a/libavcodec/exif.c
+++ b/libavcodec/exif.c
@@ -28,6 +28,133 @@
 #include "exif.h"
 #include "tiff_common.h"
 
+#define EXIF_TAG_NAME_LENGTH   32
+
+struct exif_tag {
+    char      name[EXIF_TAG_NAME_LENGTH];
+    uint16_t  id;
+};
+
+static const struct exif_tag tag_list[] = { // JEITA CP-3451 EXIF specification:
+    {"GPSVersionID",               0x00}, // <- Table 12 GPS Attribute Information
+    {"GPSLatitudeRef",             0x01},
+    {"GPSLatitude",                0x02},
+    {"GPSLongitudeRef",            0x03},
+    {"GPSLongitude",               0x04},
+    {"GPSAltitudeRef",             0x05},
+    {"GPSAltitude",                0x06},
+    {"GPSTimeStamp",               0x07},
+    {"GPSSatellites",              0x08},
+    {"GPSStatus",                  0x09},
+    {"GPSMeasureMode",             0x0A},
+    {"GPSDOP",                     0x0B},
+    {"GPSSpeedRef",                0x0C},
+    {"GPSSpeed",                   0x0D},
+    {"GPSTrackRef",                0x0E},
+    {"GPSTrack",                   0x0F},
+    {"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},
+    {"ImageWidth",                 0x100}, // <- Table 3 TIFF Rev. 6.0 Attribute Information Used in Exif
+    {"ImageLength",                0x101},
+    {"BitsPerSample",              0x102},
+    {"Compression",                0x103},
+    {"PhotometricInterpretation",  0x106},
+    {"Orientation",                0x112},
+    {"SamplesPerPixel",            0x115},
+    {"PlanarConfiguration",        0x11C},
+    {"YCbCrSubSampling",           0x212},
+    {"YCbCrPositioning",           0x213},
+    {"XResolution",                0x11A},
+    {"YResolution",                0x11B},
+    {"ResolutionUnit",             0x128},
+    {"StripOffsets",               0x111},
+    {"RowsPerStrip",               0x116},
+    {"StripByteCounts",            0x117},
+    {"JPEGInterchangeFormat",      0x201},
+    {"JPEGInterchangeFormatLength",0x202},
+    {"TransferFunction",           0x12D},
+    {"WhitePoint",                 0x13E},
+    {"PrimaryChromaticities",      0x13F},
+    {"YCbCrCoefficients",          0x211},
+    {"ReferenceBlackWhite",        0x214},
+    {"DateTime",                   0x132},
+    {"ImageDescription",           0x10E},
+    {"Make",                       0x10F},
+    {"Model",                      0x110},
+    {"Software",                   0x131},
+    {"Artist",                     0x13B},
+    {"Copyright",                  0x8298},
+    {"ExifVersion",                0x9000}, // <- Table 4 Exif IFD Attribute Information (1)
+    {"FlashpixVersion",            0xA000},
+    {"ColorSpace",                 0xA001},
+    {"ComponentsConfiguration",    0x9101},
+    {"CompressedBitsPerPixel",     0x9102},
+    {"PixelXDimension",            0xA002},
+    {"PixelYDimension",            0xA003},
+    {"MakerNote",                  0x927C},
+    {"UserComment",                0x9286},
+    {"RelatedSoundFile",           0xA004},
+    {"DateTimeOriginal",           0x9003},
+    {"DateTimeDigitized",          0x9004},
+    {"SubSecTime",                 0x9290},
+    {"SubSecTimeOriginal",         0x9291},
+    {"SubSecTimeDigitized",        0x9292},
+    {"ImageUniqueID",              0xA420},
+    {"ExposureTime",               0x829A}, // <- Table 5 Exif IFD Attribute Information (2)
+    {"FNumber",                    0x829D},
+    {"ExposureProgram",            0x8822},
+    {"SpectralSensitivity",        0x8824},
+    {"ISOSpeedRatings",            0x8827},
+    {"OECF",                       0x8828},
+    {"ShutterSpeedValue",          0x9201},
+    {"ApertureValue",              0x9202},
+    {"BrightnessValue",            0x9203},
+    {"ExposureBiasValue",          0x9204},
+    {"MaxApertureValue",           0x9205},
+    {"SubjectDistance",            0x9206},
+    {"MeteringMode",               0x9207},
+    {"LightSource",                0x9208},
+    {"Flash",                      0x9209},
+    {"FocalLength",                0x920A},
+    {"SubjectArea",                0x9214},
+    {"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}
+//    {"InteroperabilityIndex",      0x1}, // <- Table 13 Interoperability IFD Attribute Information
+};
 
 static const char *exif_get_tag_name(uint16_t id)
 {
diff --git a/libavcodec/exif.h b/libavcodec/exif.h
index ffacba7e66..f70d21391a 100644
--- a/libavcodec/exif.h
+++ b/libavcodec/exif.h
@@ -32,136 +32,6 @@
 #include "libavutil/dict.h"
 #include "bytestream.h"
 
-#define EXIF_MAX_IFD_RECURSION 2
-#define EXIF_TAG_NAME_LENGTH   32
-
-struct exif_tag {
-    char      name[EXIF_TAG_NAME_LENGTH];
-    uint16_t  id;
-};
-
-static const struct exif_tag tag_list[] = { // JEITA CP-3451 EXIF specification:
-    {"GPSVersionID",               0x00}, // <- Table 12 GPS Attribute Information
-    {"GPSLatitudeRef",             0x01},
-    {"GPSLatitude",                0x02},
-    {"GPSLongitudeRef",            0x03},
-    {"GPSLongitude",               0x04},
-    {"GPSAltitudeRef",             0x05},
-    {"GPSAltitude",                0x06},
-    {"GPSTimeStamp",               0x07},
-    {"GPSSatellites",              0x08},
-    {"GPSStatus",                  0x09},
-    {"GPSMeasureMode",             0x0A},
-    {"GPSDOP",                     0x0B},
-    {"GPSSpeedRef",                0x0C},
-    {"GPSSpeed",                   0x0D},
-    {"GPSTrackRef",                0x0E},
-    {"GPSTrack",                   0x0F},
-    {"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},
-    {"ImageWidth",                 0x100}, // <- Table 3 TIFF Rev. 6.0 Attribute Information Used in Exif
-    {"ImageLength",                0x101},
-    {"BitsPerSample",              0x102},
-    {"Compression",                0x103},
-    {"PhotometricInterpretation",  0x106},
-    {"Orientation",                0x112},
-    {"SamplesPerPixel",            0x115},
-    {"PlanarConfiguration",        0x11C},
-    {"YCbCrSubSampling",           0x212},
-    {"YCbCrPositioning",           0x213},
-    {"XResolution",                0x11A},
-    {"YResolution",                0x11B},
-    {"ResolutionUnit",             0x128},
-    {"StripOffsets",               0x111},
-    {"RowsPerStrip",               0x116},
-    {"StripByteCounts",            0x117},
-    {"JPEGInterchangeFormat",      0x201},
-    {"JPEGInterchangeFormatLength",0x202},
-    {"TransferFunction",           0x12D},
-    {"WhitePoint",                 0x13E},
-    {"PrimaryChromaticities",      0x13F},
-    {"YCbCrCoefficients",          0x211},
-    {"ReferenceBlackWhite",        0x214},
-    {"DateTime",                   0x132},
-    {"ImageDescription",           0x10E},
-    {"Make",                       0x10F},
-    {"Model",                      0x110},
-    {"Software",                   0x131},
-    {"Artist",                     0x13B},
-    {"Copyright",                  0x8298},
-    {"ExifVersion",                0x9000}, // <- Table 4 Exif IFD Attribute Information (1)
-    {"FlashpixVersion",            0xA000},
-    {"ColorSpace",                 0xA001},
-    {"ComponentsConfiguration",    0x9101},
-    {"CompressedBitsPerPixel",     0x9102},
-    {"PixelXDimension",            0xA002},
-    {"PixelYDimension",            0xA003},
-    {"MakerNote",                  0x927C},
-    {"UserComment",                0x9286},
-    {"RelatedSoundFile",           0xA004},
-    {"DateTimeOriginal",           0x9003},
-    {"DateTimeDigitized",          0x9004},
-    {"SubSecTime",                 0x9290},
-    {"SubSecTimeOriginal",         0x9291},
-    {"SubSecTimeDigitized",        0x9292},
-    {"ImageUniqueID",              0xA420},
-    {"ExposureTime",               0x829A}, // <- Table 5 Exif IFD Attribute Information (2)
-    {"FNumber",                    0x829D},
-    {"ExposureProgram",            0x8822},
-    {"SpectralSensitivity",        0x8824},
-    {"ISOSpeedRatings",            0x8827},
-    {"OECF",                       0x8828},
-    {"ShutterSpeedValue",          0x9201},
-    {"ApertureValue",              0x9202},
-    {"BrightnessValue",            0x9203},
-    {"ExposureBiasValue",          0x9204},
-    {"MaxApertureValue",           0x9205},
-    {"SubjectDistance",            0x9206},
-    {"MeteringMode",               0x9207},
-    {"LightSource",                0x9208},
-    {"Flash",                      0x9209},
-    {"FocalLength",                0x920A},
-    {"SubjectArea",                0x9214},
-    {"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}
-//    {"InteroperabilityIndex",      0x1}, // <- Table 13 Interoperability IFD Attribute Information
-//    {"",                           0x0}
-};
-
 /** Recursively decodes all IFD's and
  *  adds included TAGS into the metadata dictionary. */
 int avpriv_exif_decode_ifd(void *logctx, const uint8_t *buf, int size,