summaryrefslogtreecommitdiff
path: root/src/MediaMetadata.vala
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff.email>2023-06-14 20:36:37 +0200
committerJörg Frings-Fürst <debian@jff.email>2023-06-14 20:36:37 +0200
commitbb80d3feebdc9acc52e3f4ad24084d8425f043a2 (patch)
tree2084a84c39f159c6aea254775dc0880d52579d45 /src/MediaMetadata.vala
parentb26ff0798252a1a8072dd2c7a67f6205de9fde11 (diff)
parent31804433d72460cbe0a39f9f8ea5e76058d84cda (diff)
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'src/MediaMetadata.vala')
-rw-r--r--src/MediaMetadata.vala125
1 files changed, 0 insertions, 125 deletions
diff --git a/src/MediaMetadata.vala b/src/MediaMetadata.vala
deleted file mode 100644
index b2ba1b7..0000000
--- a/src/MediaMetadata.vala
+++ /dev/null
@@ -1,125 +0,0 @@
-/* Copyright 2016 Software Freedom Conservancy Inc.
- *
- * This software is licensed under the GNU Lesser General Public License
- * (version 2.1 or later). See the COPYING file in this distribution.
- */
-
-public abstract class MediaMetadata {
- public abstract void read_from_file(File file) throws Error;
-
- public abstract MetadataDateTime? get_creation_date_time();
-
- public abstract string? get_title();
-
- public abstract string? get_comment();
-}
-
-public struct MetadataRational {
- public int numerator;
- public int denominator;
-
- public MetadataRational(int numerator, int denominator) {
- this.numerator = numerator;
- this.denominator = denominator;
- }
-
- private bool is_component_valid(int component) {
- return (component >= 0) && (component <= 1000000);
- }
-
- public bool is_valid() {
- return (is_component_valid(numerator) && is_component_valid(denominator));
- }
-
- public string to_string() {
- return (is_valid()) ? ("%d/%d".printf(numerator, denominator)) : "";
- }
-}
-
-public errordomain MetadataDateTimeError {
- INVALID_FORMAT,
- UNSUPPORTED_FORMAT
-}
-
-public class MetadataDateTime {
-
- private time_t timestamp;
-
- public MetadataDateTime(time_t timestamp) {
- this.timestamp = timestamp;
- }
-
- public MetadataDateTime.from_exif(string label) throws MetadataDateTimeError {
- if (!from_exif_date_time(label, out timestamp))
- throw new MetadataDateTimeError.INVALID_FORMAT("%s is not EXIF format date/time", label);
- }
-
- public MetadataDateTime.from_iptc(string date, string time) throws MetadataDateTimeError {
- // TODO: Support IPTC date/time format
- throw new MetadataDateTimeError.UNSUPPORTED_FORMAT("IPTC date/time format not currently supported");
- }
-
- public MetadataDateTime.from_xmp(string label) throws MetadataDateTimeError {
- TimeVal time_val = TimeVal();
- if (!time_val.from_iso8601(label))
- throw new MetadataDateTimeError.INVALID_FORMAT("%s is not XMP format date/time", label);
-
- timestamp = time_val.tv_sec;
- }
-
- public time_t get_timestamp() {
- return timestamp;
- }
-
- public string get_exif_label() {
- return to_exif_date_time(timestamp);
- }
-
- // TODO: get_iptc_date() and get_iptc_time()
-
- public string get_xmp_label() {
- TimeVal time_val = TimeVal();
- time_val.tv_sec = timestamp;
- time_val.tv_usec = 0;
-
- return time_val.to_iso8601();
- }
-
- public static bool from_exif_date_time(string date_time, out time_t timestamp) {
- timestamp = 0;
-
- Time tm = Time();
-
- // Check standard EXIF format
- if (date_time.scanf("%d:%d:%d %d:%d:%d",
- &tm.year, &tm.month, &tm.day, &tm.hour, &tm.minute, &tm.second) != 6) {
- // Fallback in a more generic format
- string tmp = date_time.dup();
- tmp.canon("0123456789", ' ');
- if (tmp.scanf("%4d%2d%2d%2d%2d%2d",
- &tm.year, &tm.month, &tm.day, &tm.hour, &tm.minute,&tm.second) != 6)
- return false;
- }
-
- // watch for bogosity
- if (tm.year <= 1900 || tm.month <= 0 || tm.day < 0 || tm.hour < 0 || tm.minute < 0 || tm.second < 0)
- return false;
-
- tm.year -= 1900;
- tm.month--;
- tm.isdst = -1;
-
- timestamp = tm.mktime();
-
- return true;
- }
-
- public static string to_exif_date_time(time_t timestamp) {
- return Time.local(timestamp).format("%Y:%m:%d %H:%M:%S");
- }
-
- public string to_string() {
- return to_exif_date_time(timestamp);
- }
-}
-