Esempio n. 1
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        static IntPtr SelectNativeCtor(LibVLC libVLC, string mrl, FromType type)
        {
            if (libVLC == null)
            {
                throw new ArgumentNullException(nameof(libVLC));
            }
            if (string.IsNullOrEmpty(mrl))
            {
                throw new ArgumentNullException(nameof(mrl));
            }

            var mrlPtr = Utf8StringMarshaler.GetInstance().MarshalManagedToNative(mrl);

            if (mrlPtr == IntPtr.Zero)
            {
                throw new ArgumentException($"error marshalling {mrl} to UTF-8 for native interop");
            }

            switch (type)
            {
            case FromType.FromLocation:
                return(Native.LibVLCMediaNewLocation(libVLC.NativeReference, mrlPtr));

            case FromType.FromPath:
                return(Native.LibVLCMediaNewPath(libVLC.NativeReference, mrlPtr));

            case FromType.AsNode:
                return(Native.LibVLCMediaNewAsNode(libVLC.NativeReference, mrlPtr));

            default:
                return(IntPtr.Zero);
            }
        }
Esempio n. 2
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        /// <summary>
        /// Post a login answer.
        /// After this call, the instance won't be valid anymore
        /// </summary>
        /// <param name="username">valid non-empty string</param>
        /// <param name="password">valid string</param>
        /// <param name="store">if true stores the credentials</param>
        /// <returns></returns>
        public bool PostLogin(string username, string password, bool store)
        {
            if (_id == IntPtr.Zero)
            {
                throw new VLCException("Calling method on dismissed Dialog instance");
            }

            if (username == null)
            {
                username = string.Empty;
            }
            if (password == null)
            {
                password = string.Empty;
            }

            var usernamePtr = Utf8StringMarshaler.GetInstance().MarshalManagedToNative(username);
            var passwordPtr = Utf8StringMarshaler.GetInstance().MarshalManagedToNative(password);

            var result = Native.LibVLCDialogPostLogin(_id, usernamePtr, passwordPtr, store) == 0;

            _id = IntPtr.Zero;

            return(result);
        }
Esempio n. 3
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        /// <summary>
        /// Code taken from Vlc.DotNet
        /// </summary>
        /// <param name="data"></param>
        /// <param name="level"></param>
        /// <param name="ctx"></param>
        /// <param name="format"></param>
        /// <param name="args"></param>
        void OnLogInternal(IntPtr data, LogLevel level, IntPtr ctx, string format, IntPtr args)
        {
            if (_log == null)
            {
                return;
            }

            // Original source for va_list handling: https://stackoverflow.com/a/37629480/2663813
            var byteLength = Native._vscprintf(format, args) + 1;
            var utf8Buffer = Marshal.AllocHGlobal(byteLength);

            string formattedDecodedMessage;

            try
            {
                Native.vsprintf(utf8Buffer, format, args);

                formattedDecodedMessage = (string)Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(utf8Buffer);
            }
            finally
            {
                Marshal.FreeHGlobal(utf8Buffer);
            }

            GetLogContext(ctx, out var module, out var file, out var line);

            // Do the notification on another thread, so that VLC is not interrupted by the logging
            Task.Run(() => _log?.Invoke(NativeReference, new LogEventArgs(level, formattedDecodedMessage, module, file, line)));
        }
        void OnAudioDevice(IntPtr ptr)
        {
            var deviceNamePtr = RetrieveEvent(ptr).Union.AudioDeviceChanged.Device;
            var deviceName    = (string)Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(deviceNamePtr);

            _mediaPlayerAudioDevice?.Invoke(this, new MediaPlayerAudioDeviceEventArgs(deviceName));
        }
        void OnSnapshotTaken(IntPtr ptr)
        {
            var filenamePtr = RetrieveEvent(ptr).Union.MediaPlayerSnapshotTaken.Filename;
            var filename    = (string)Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(filenamePtr);

            _mediaPlayerSnapshotTaken?.Invoke(this, new MediaPlayerSnapshotTakenEventArgs(filename));
        }
Esempio n. 6
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        /// <summary>
        /// Gets log message debug infos.
        ///
        /// This function retrieves self-debug information about a log message:
        /// - the name of the VLC module emitting the message,
        /// - the name of the source code module (i.e.file) and
        /// - the line number within the source code module.
        ///
        /// The returned module name and file name will be NULL if unknown.
        /// The returned line number will similarly be zero if unknown.
        /// </summary>
        /// <param name="logContext">The log message context (as passed to the <see cref="LogCallback"/>)</param>
        /// <param name="module">The module name storage.</param>
        /// <param name="file">The source code file name storage.</param>
        /// <param name="line">The source code file line number storage.</param>
        void GetLogContext(IntPtr logContext, out string module, out string file, out uint?line)
        {
            Native.LibVLCLogGetContext(logContext, out var modulePtr, out var filePtr, out var linePtr);

            line   = linePtr == UIntPtr.Zero ? null : (uint?)linePtr.ToUInt32();
            module = Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(modulePtr) as string;
            file   = Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(filePtr) as string;
        }
Esempio n. 7
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        /// <summary>Read the meta of the media.</summary>
        /// <param name="metadataType">the meta to read</param>
        /// <returns>the media's meta</returns>
        /// <remarks>
        /// If the media has not yet been parsed this will return NULL.
        /// </remarks>
        public string Meta(MetadataType metadataType)
        {
            var metaPtr = Native.LibVLCMediaGetMeta(NativeReference, metadataType);

            if (metaPtr == IntPtr.Zero)
            {
                return(string.Empty);
            }
            return(Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(metaPtr) as string);
        }
Esempio n. 8
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 /// <summary>
 /// Get the name of a particular equalizer preset.
 /// This name can be used, for example, to prepare a preset label or menu in a user interface.
 /// </summary>
 /// <param name="index">index of the preset, counting from zero</param>
 /// <returns>preset name, or empty string if there is no such preset</returns>
 public string PresetName(uint index) => (string)Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(Native.LibVLCAudioEqualizerGetPresetName(index));
Esempio n. 9
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 /// <summary>Gets a list of audio output devices for a given audio output module,</summary>
 /// <param name="audioOutputName">
 /// <para>audio output name</para>
 /// <para>(as returned by libvlc_audio_output_list_get())</para>
 /// </param>
 /// <returns>
 /// <para>A NULL-terminated linked list of potential audio output devices.</para>
 /// <para>It must be freed with libvlc_audio_output_device_list_release()</para>
 /// </returns>
 /// <remarks>
 /// <para>libvlc_audio_output_device_set().</para>
 /// <para>Not all audio outputs support this. In particular, an empty (NULL)</para>
 /// <para>list of devices doesnotimply that the specified audio output does</para>
 /// <para>not work.</para>
 /// <para>The list might not be exhaustive.</para>
 /// <para>Some audio output devices in the list might not actually work in</para>
 /// <para>some circumstances. By default, it is recommended to not specify any</para>
 /// <para>explicit audio device.</para>
 /// <para>LibVLC 2.1.0 or later.</para>
 /// </remarks>
 public AudioOutputDevice[] AudioOutputDevices(string audioOutputName) =>
 MarshalUtils.Retrieve(() => Native.LibVLCAudioOutputDeviceListGet(NativeReference, Utf8StringMarshaler.GetInstance().MarshalManagedToNative(audioOutputName)),
                       MarshalUtils.PtrToStructure <AudioOutputDeviceStructure>,
                       s => s.Build(),
                       device => device.Next,
                       Native.LibVLCAudioOutputDeviceListRelease);