* added wrapper for MediaInfo native library
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Reinhard Pointner
parent
480c848bda
commit
c83d4132ec
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package net.sourceforge.filebot.mediainfo;
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import java.io.Closeable;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.EnumMap;
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import java.util.List;
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import java.util.Map;
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import java.util.SortedMap;
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import java.util.TreeMap;
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import com.sun.jna.Pointer;
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import com.sun.jna.WString;
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public class MediaInfo implements Closeable {
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private Pointer handle;
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public MediaInfo() {
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handle = MediaInfoLibrary.INSTANCE.New();
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}
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public boolean open(File file) {
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return MediaInfoLibrary.INSTANCE.Open(handle, new WString(file.getPath())) > 0;
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}
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public String inform() {
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return MediaInfoLibrary.INSTANCE.Inform(handle).toString();
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}
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public String option(String option) {
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return option(option, "");
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}
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public String option(String option, String value) {
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return MediaInfoLibrary.INSTANCE.Option(handle, new WString(option), new WString(value)).toString();
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}
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public String get(StreamKind streamKind, int streamNumber, String parameter) {
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return get(streamKind, streamNumber, parameter, InfoKind.Text, InfoKind.Name);
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}
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public String get(StreamKind streamKind, int streamNumber, String parameter, InfoKind infoKind) {
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return get(streamKind, streamNumber, parameter, infoKind, InfoKind.Name);
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}
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public String get(StreamKind streamKind, int streamNumber, String parameter, InfoKind infoKind, InfoKind searchKind) {
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return MediaInfoLibrary.INSTANCE.Get(handle, streamKind.ordinal(), streamNumber, new WString(parameter), infoKind.ordinal(), searchKind.ordinal()).toString();
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}
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public String get(StreamKind streamKind, int streamNumber, int parameterIndex) {
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return get(streamKind, streamNumber, parameterIndex, InfoKind.Text);
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}
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public String get(StreamKind streamKind, int streamNumber, int parameterIndex, InfoKind infoKind) {
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return MediaInfoLibrary.INSTANCE.GetI(handle, streamKind.ordinal(), streamNumber, parameterIndex, infoKind.ordinal()).toString();
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}
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public int streamCount(StreamKind streamKind) {
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return MediaInfoLibrary.INSTANCE.Count_Get(handle, streamKind.ordinal(), -1);
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}
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public int parameterCount(StreamKind streamKind, int streamNumber) {
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return MediaInfoLibrary.INSTANCE.Count_Get(handle, streamKind.ordinal(), streamNumber);
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}
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public Map<StreamKind, List<SortedMap<String, String>>> snapshot() {
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Map<StreamKind, List<SortedMap<String, String>>> mediaInfo = new EnumMap<StreamKind, List<SortedMap<String, String>>>(StreamKind.class);
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for (StreamKind streamKind : StreamKind.values()) {
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int streamCount = streamCount(streamKind);
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if (streamCount > 0) {
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List<SortedMap<String, String>> streamInfoList = new ArrayList<SortedMap<String, String>>(streamCount);
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for (int i = 0; i < streamCount; i++) {
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streamInfoList.add(snapshot(streamKind, i));
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}
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mediaInfo.put(streamKind, streamInfoList);
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}
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}
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return mediaInfo;
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}
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public SortedMap<String, String> snapshot(StreamKind streamKind, int streamNumber) {
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TreeMap<String, String> streamInfo = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
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for (int i = 0, count = parameterCount(streamKind, streamNumber); i < count; i++) {
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String value = get(streamKind, streamNumber, i, InfoKind.Text);
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if (value.length() > 0) {
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streamInfo.put(get(streamKind, streamNumber, i, InfoKind.Name), value);
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}
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}
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return streamInfo;
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}
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@Override
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public void close() {
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MediaInfoLibrary.INSTANCE.Close(handle);
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}
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public void dispose() {
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if (handle == null)
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throw new IllegalStateException();
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MediaInfoLibrary.INSTANCE.Delete(handle);
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handle = null;
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}
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@Override
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protected void finalize() throws Throwable {
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if (handle != null) {
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dispose();
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}
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}
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public enum StreamKind {
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General,
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Video,
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Audio,
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Text,
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Chapters,
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Image,
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Menu;
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}
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public enum InfoKind {
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/**
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* Unique name of parameter.
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*/
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Name,
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/**
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* Value of parameter.
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*/
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Text,
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/**
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* Unique name of measure unit of parameter.
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*/
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Measure,
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Options,
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/**
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* Translated name of parameter.
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*/
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Name_Text,
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/**
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* Translated name of measure unit.
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*/
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Measure_Text,
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/**
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* More information about the parameter.
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*/
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Info,
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/**
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* How this parameter is supported, could be N (No), B (Beta), R (Read only), W
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* (Read/Write).
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*/
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HowTo,
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/**
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* Domain of this piece of information.
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*/
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Domain;
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}
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public static String version() {
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return staticOption("Info_Version");
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}
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public static String parameters() {
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return staticOption("Info_Parameters");
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}
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public static String codecs() {
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return staticOption("Info_Codecs");
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}
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public static String capacities() {
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return staticOption("Info_Capacities");
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}
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public static String staticOption(String option) {
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return staticOption(option, "");
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}
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public static String staticOption(String option, String value) {
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return MediaInfoLibrary.INSTANCE.Option(null, new WString(option), new WString(value)).toString();
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}
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}
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@ -0,0 +1,125 @@
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package net.sourceforge.filebot.mediainfo;
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import static java.util.Collections.singletonMap;
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import java.lang.reflect.Method;
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import com.sun.jna.FunctionMapper;
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import com.sun.jna.Library;
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import com.sun.jna.Native;
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import com.sun.jna.NativeLibrary;
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import com.sun.jna.Pointer;
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import com.sun.jna.WString;
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interface MediaInfoLibrary extends Library {
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MediaInfoLibrary INSTANCE = (MediaInfoLibrary) Native.loadLibrary("mediainfo", MediaInfoLibrary.class, singletonMap(OPTION_FUNCTION_MAPPER, new FunctionMapper() {
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@Override
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public String getFunctionName(NativeLibrary lib, Method method) {
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// MediaInfo_New(), MediaInfo_Open() ...
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return "MediaInfo_" + method.getName();
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}
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}));
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/**
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* Create a new handle.
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*
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* @return handle
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*/
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Pointer New();
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/**
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* Open a file and collect information about it (technical information and tags).
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*
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* @param handle
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* @param file full name of the file to open
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* @return 1 if file was opened, 0 if file was not not opened
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*/
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int Open(Pointer handle, WString file);
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/**
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* Configure or get information about MediaInfo.
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*
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* @param handle
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* @param option The name of option
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* @param value The value of option
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* @return Depends on the option: by default "" (nothing) means No, other means Yes
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*/
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WString Option(Pointer handle, WString option, WString value);
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/**
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* Get all details about a file.
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*
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* @param handle
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* @return All details about a file in one string
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*/
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WString Inform(Pointer handle);
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/**
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* Get a piece of information about a file (parameter is a string).
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*
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* @param handle
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* @param streamKind Kind of stream (general, video, audio...)
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* @param streamNumber Stream number in Kind of stream (first, second...)
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* @param parameter Parameter you are looking for in the stream (Codec, width, bitrate...),
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* in string format ("Codec", "Width"...)
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* @param infoKind Kind of information you want about the parameter (the text, the measure,
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* the help...)
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* @param searchKind Where to look for the parameter
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* @return a string about information you search, an empty string if there is a problem
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*/
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WString Get(Pointer handle, int streamKind, int streamNumber, WString parameter, int infoKind, int searchKind);
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/**
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* Get a piece of information about a file (parameter is an integer).
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*
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* @param handle
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* @param streamKind Kind of stream (general, video, audio...)
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* @param streamNumber Stream number in Kind of stream (first, second...)
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* @param parameter Parameter you are looking for in the stream (Codec, width, bitrate...),
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* in integer format (first parameter, second parameter...)
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* @param infoKind Kind of information you want about the parameter (the text, the measure,
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* the help...)
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* @return a string about information you search, an empty string if there is a problem
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*/
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WString GetI(Pointer handle, int streamKind, int streamNumber, int parameterIndex, int infoKind);
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/**
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* Count of streams of a stream kind (StreamNumber not filled), or count of piece of
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* information in this stream.
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*
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* @param handle
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* @param streamKind Kind of stream (general, video, audio...)
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* @param streamNumber Stream number in this kind of stream (first, second...)
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* @return number of streams of the given stream kind
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*/
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int Count_Get(Pointer handle, int streamKind, int streamNumber);
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/**
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* Close a file opened before with Open().
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*
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* @param handle
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*/
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void Close(Pointer handle);
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/**
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* Dispose of a handle created with New().
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*
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* @param handle
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*/
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void Delete(Pointer handle);
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}
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