mp4: Check the return value of ->truncate().

[paraslash.git] / mp4.h

diff --git a/mp4.h b/mp4.h
index 30a609f38c108d0306ccc18ea68596cf64647c96..49c4be18a5929c9e79e091704e9ab2e4112cc22b 100644 (file)
--- a/mp4.h
+++ b/mp4.h
@@ -1,8 +1,8 @@
 struct mp4_callback {
        ssize_t (*read)(void *user_data, void *buffer, size_t length);
        ssize_t (*write)(void *user_data, void *buffer, size_t count);
-       uint32_t (*seek)(void *user_data, uint64_t position);
-       uint32_t (*truncate)(void *user_data);
+       off_t (*seek)(void *user_data, off_t offset, int whence);
+       int (*truncate)(void *user_data);
        void *user_data;
 };
 
@@ -30,8 +30,4 @@ uint64_t mp4_get_duration(const struct mp4 *f);
 int mp4_open_meta(const struct mp4_callback *cb, struct mp4 **result);
 struct mp4_metadata *mp4_get_meta(struct mp4 *f);
 int mp4_meta_update(struct mp4 *f);
-char *mp4_meta_get_artist(const struct mp4 *f);
-char *mp4_meta_get_title(const struct mp4 *f);
-char *mp4_meta_get_date(const struct mp4 *f);
-char *mp4_meta_get_album(const struct mp4 *f);
-char *mp4_meta_get_comment(const struct mp4 *f);
+char *mp4_get_tag_value(const struct mp4 *f, const char *item);