diff options
Diffstat (limited to 'ext/metadata/metadatatags.c')
| -rw-r--r-- | ext/metadata/metadatatags.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/ext/metadata/metadatatags.c b/ext/metadata/metadatatags.c index 63acf2f3..c1a16a78 100644 --- a/ext/metadata/metadatatags.c +++ b/ext/metadata/metadatatags.c @@ -162,10 +162,71 @@ metadata_tags_exif_register (void) gst_tag_register (GST_TAG_CAPTURE_EXPOSURE_TIME, GST_TAG_FLAG_META, GST_TYPE_FRACTION, GST_TAG_CAPTURE_EXPOSURE_TIME, "Exposure time in seconds", NULL); + + /* + * bits (76543210) indicating the flash status: + * 0- Flash firing + * 0- Flash did not fire + * 1- Flash fired + * 1,2- Flash return + * 00- No strobe return detection function + * 01- reserved + * 10- Strobe return light not detected + * 11- Strobe return light detected. + * 3,4- Flash mode + * 00- unknown + * 01- Compulsory flash firing + * 10- Compulsory flash suppression + * 11- Auto mode + * 5- if flash function is present + * 0- Flash function present + * 1- No flash function + * 6- Red-eye mode + * 0- No red-eye reduction mode or unknown + * 1- Red-eye reduction supported + * So, we have the following possible values: + * + * 0000.H = Flash did not fire. + * 0001.H = Flash fired. + * 0005.H = Strobe return light not detected. + * 0007.H = Strobe return light detected. + * 0009.H = Flash fired, compulsory flash mode + * 000D.H = Flash fired, compulsory flash mode, return light not detected + * 000F.H = Flash fired, compulsory flash mode, return light detected + * 0010.H = Flash did not fire, compulsory flash mode + * 0018.H = Flash did not fire, auto mode + * 0019.H = Flash fired, auto mode + * 001D.H = Flash fired, auto mode, return light not detected + * 001F.H = Flash fired, auto mode, return light detected + * 0020.H = No flash function + * 0041.H = Flash fired, red-eye reduction mode + * 0045.H = Flash fired, red-eye reduction mode, return light not detected + * 0047.H = Flash fired, red-eye reduction mode, return light detected + * 0049.H = Flash fired, compulsory flash mode, red-eye reduction mode + * 004D.H = Flash fired, compulsory flash mode, red-eye reduction mode, + * return light not detected + * 004F.H = Flash fired, compulsory flash mode, red-eye reduction mode, + * return light detected + * 0059.H = Flash fired, auto mode, red-eye reduction mode + * 005D.H = Flash fired, auto mode, return light not detected, + * red-eye reduction mode + * 005F.H = Flash fired, auto mode, return light detected, + * red-eye reduction mode + * Other = reserved + */ + + + gst_tag_register (GST_TAG_CAPTURE_FLASH, GST_TAG_FLAG_META, + G_TYPE_UINT, GST_TAG_CAPTURE_FLASH, "Flash status", NULL); + gst_tag_register (GST_TAG_CAPTURE_FNUMBER, GST_TAG_FLAG_META, GST_TYPE_FRACTION, GST_TAG_CAPTURE_FNUMBER, "F number (focal ratio)", NULL); + gst_tag_register (GST_TAG_CAPTURE_FOCAL_LEN, GST_TAG_FLAG_META, + GST_TYPE_FRACTION, GST_TAG_CAPTURE_FOCAL_LEN, + "Focal length of lens used to take image. Unit is millimeter", NULL); + /* 0- None 1- Low gain up @@ -176,6 +237,56 @@ metadata_tags_exif_register (void) gst_tag_register (GST_TAG_CAPTURE_GAIN, GST_TAG_FLAG_META, G_TYPE_UINT, GST_TAG_CAPTURE_GAIN, "", NULL); + gst_tag_register (GST_TAG_CAPTURE_ISO_SPEED_RATINGS, GST_TAG_FLAG_META, + G_TYPE_INT, GST_TAG_CAPTURE_ISO_SPEED_RATINGS, + "ISO Speed and ISO Latitude as specified in ISO 12232", NULL); + + + /* + 0- unknown (default) + 1- Daylight + 2- Fluorescent + 3- Tungsten (incandescent light) + 4- Flash + 9- Fine weather + 10- Cloudy weather + 11- Shade + 12- Daylight fluorescent (D 5700 %G–%@ 7100K) + 13- Day white fluorescent (N 4600 %G–%@ 5400K) + 14- Cool white fluorescent (W 3900 %G–%@ 4500K) + 15- White fluorescent (WW 3200 %G–%@ 3700K) + 17- Standard light A + 18- Standard light B + 19- Standard light C + 20- D55 + 21- D65 + 22- D75 + 23- D50 + 24- ISO studio tungsten + 255- other light source + Other = reserved + */ + + gst_tag_register (GST_TAG_CAPTURE_LIGHT_SOURCE, GST_TAG_FLAG_META, + G_TYPE_UINT, GST_TAG_CAPTURE_LIGHT_SOURCE, + "The kind of light source.", NULL); + + /* + * The relation of the '0th row' and '0th column' to visual position: + * 1- top-left + * 2- top-right + * 3- bottom-right + * 4- bottom-left + * 5- left-top + * 6- right-top + * 7- right-bottom + * 8- left-bottom + */ + + gst_tag_register (GST_TAG_CAPTURE_ORIENTATION, GST_TAG_FLAG_META, + G_TYPE_UINT, GST_TAG_CAPTURE_ORIENTATION, + "The kind of light source.", NULL); + /* from -100 to 100 [-100, -34] - low |