mp4: Rename mp4_meta_update() to mp4_update_meta().

[paraslash.git] / mp4.h

diff --git a/mp4.h b/mp4.h
index 30a609f38c108d0306ccc18ea68596cf64647c96..4c4aed2210cf472473c151529c5b1928dbd288cc 100644 (file)
--- a/mp4.h
+++ b/mp4.h
@@ -1,37 +1,32 @@
 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;
 };
 
 struct mp4_tag {
     char *item;
     char *value;
-    uint32_t len;
 };
 
 struct mp4_metadata {
     struct mp4_tag *tags;
-    uint32_t count;
+    unsigned count;
 };
 
 struct mp4; /* opaque */
 
-int mp4_set_sample_position(struct mp4 *f, int32_t sample);
+int mp4_set_sample_position(struct mp4 *f, uint32_t sample);
 int mp4_open_read(const struct mp4_callback *cb, struct mp4 **result);
 void mp4_close(struct mp4 *f);
-int32_t mp4_get_sample_size(const struct mp4 *f, int sample);
-uint32_t mp4_get_sample_rate(const struct mp4 *f);
-uint32_t mp4_get_channel_count(const struct mp4 * f);
-int32_t mp4_num_samples(const struct mp4 *f);
+int mp4_get_sample_size(const struct mp4 *f, uint32_t sample, uint32_t *result);
+uint16_t mp4_get_sample_rate(const struct mp4 *f);
+uint16_t mp4_get_channel_count(const struct mp4 *f);
+uint32_t mp4_num_samples(const struct mp4 *f);
 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);
+int mp4_update_meta(struct mp4 *f);
+char *mp4_get_tag_value(const struct mp4 *f, const char *item);