Java TagList类代码示例

import org.gstreamer.TagList; //导入依赖的package包/类
/**
 * Gets the {@link TagList} stored in this event.
 * <p><b>Note:</b> The TagList is owned by the event, so it should only be 
 * accessed whilst holding a reference to this TagEvent.
 * 
 * @return the TagList stored in this event.
 */
public TagList getTagList() {
    Pointer[] taglist = new Pointer[1];
    gst.gst_event_parse_tag(this, taglist);
    TagList tl = new TagList(taglistInitializer(taglist[0], false, false));
    ReferenceManager.addKeepAliveReference(tl, this);
    return tl;
}
 

import org.gstreamer.TagList; //导入依赖的package包/类
public static void main(String[] args) {
    //
    // Initialize the gstreamer framework, and let it interpret any command
    // line flags it is interested in.
    //
    args = Gst.init("AudioPlayerMetadata", args);
    
    if (args.length < 1) {
        System.out.println("Usage: AudioPlayer <file to play>");
        System.exit(1);
    }
    //
    // Create a PlayBin to play the media file.  A PlayBin is a Pipeline that
    // creates all the needed elements and automatically links them together.
    //
    PlayBin playbin = new PlayBin("AudioPlayer");
    
    // Make sure a video window does not appear.
    playbin.setVideoSink(ElementFactory.make("fakesink", "videosink"));
    
    // Set the file to play
    playbin.setInputFile(new File(args[0]));
    
    // Listen for metadata (tags)
    playbin.getBus().connect(new Bus.TAG() {

        public void tagsFound(GstObject source, TagList tagList) {
            for (String tagName : tagList.getTagNames()) {
                // Each tag can have multiple values, so print them all.
                for (Object tagData : tagList.getValues(tagName)) {
                    System.out.printf("[%s]=%s\n", tagName, tagData);
                }
            }
        }
    });
    
    // Start the pipeline playing
    playbin.play();
    Gst.main();
    
    // Clean up (gstreamer requires elements to be in State.NULL before disposal)
    playbin.stop();
}
 

import org.gstreamer.TagList; //导入依赖的package包/类
/**
 * Gets the list of tags contained in this message.
 * 
 * @return the list of tags in this message.
 */
public TagList getTagList() {
    PointerByReference list = new PointerByReference();
    gst.gst_message_parse_tag(this, list);
    return objectFor(list.getValue(), TagList.class, false, true);
}
 

import org.gstreamer.TagList; //导入依赖的package包/类
/**
 * Creates a new Buffering message.
 * @param src The object originating the message.
 * @param tagList the tag list for this message.
 * <p>
 * <b> Note: </b> the message takes ownership of the taglist, so do not use
 * it again after adding it to this message.
 */
public TagMessage(GstObject src, TagList tagList) {
    this(initializer(gst.ptr_gst_message_new_tag(src, tagList)));
}
 

import org.gstreamer.TagList; //导入依赖的package包/类
/**
 * Creates a new TagEvent.
 * <p><b>Note:</b> This constructor takes ownership of the TagList.  Attempts to
 * access the TagList after passing it to this constructor will throw an exception.
 * 
 * @param taglist the taglist to transmit with the event.
 */
public TagEvent(TagList taglist) {
    this(initializer(gst.ptr_gst_event_new_tag(taglist)));
}
 

import org.gstreamer.TagList; //导入依赖的package包/类
Pointer ptr_gst_message_new_tag(GstObject src, @Invalidate TagList tag_list); 

import org.gstreamer.TagList; //导入依赖的package包/类
@CallerOwnsReturn Message gst_message_new_tag(GstObject src, @Invalidate TagList tag_list); 

import org.gstreamer.TagList; //导入依赖的package包/类
void gst_tag_list_add(TagList list, TagMergeMode mode, String tag, Object... tags); 

import org.gstreamer.TagList; //导入依赖的package包/类
@CallerOwnsReturn TagList gst_tag_list_copy(TagList list); 

import org.gstreamer.TagList; //导入依赖的package包/类
boolean gst_tag_list_is_empty(TagList list); 

import org.gstreamer.TagList; //导入依赖的package包/类
void gst_tag_list_insert(TagList into, TagList from, TagMergeMode mode); 

import org.gstreamer.TagList; //导入依赖的package包/类
@CallerOwnsReturn TagList gst_tag_list_merge(TagList list1, TagList list2, TagMergeMode mode); 

import org.gstreamer.TagList; //导入依赖的package包/类
int gst_tag_list_get_tag_size(TagList list, String tag); 

import org.gstreamer.TagList; //导入依赖的package包/类
void gst_tag_list_remove_tag(TagList list, TagList tag); 

import org.gstreamer.TagList; //导入依赖的package包/类
void gst_tag_list_foreach(TagList list, TagForeachFunc func, Pointer user_data);