diff options
Diffstat (limited to 'win/CS/HandBrake.ApplicationServices/Interop/HandBrakeUtils.cs')
| -rw-r--r-- | win/CS/HandBrake.ApplicationServices/Interop/HandBrakeUtils.cs | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/win/CS/HandBrake.ApplicationServices/Interop/HandBrakeUtils.cs b/win/CS/HandBrake.ApplicationServices/Interop/HandBrakeUtils.cs new file mode 100644 index 000000000..2ad727a9e --- /dev/null +++ b/win/CS/HandBrake.ApplicationServices/Interop/HandBrakeUtils.cs @@ -0,0 +1,329 @@ +// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="HandBrakeUtils.cs" company="HandBrake Project (http://handbrake.fr)">
+// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// <summary>
+// Defines the HandBrakeUtils type.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.ApplicationServices.Interop
+{
+ using System;
+ using System.Collections.Generic;
+ using System.Diagnostics;
+ using System.Runtime.InteropServices;
+
+ using HandBrake.ApplicationServices.Interop.EventArgs;
+ using HandBrake.ApplicationServices.Interop.HbLib;
+ using HandBrake.ApplicationServices.Interop.Model;
+ using HandBrake.ApplicationServices.Interop.Model.Encoding;
+ using HandBrake.ApplicationServices.Interop.Model.Scan;
+
+ /// <summary>
+ /// HandBrake Interop Utilities
+ /// </summary>
+ public static class HandBrakeUtils
+ {
+ /// <summary>
+ /// Estimated overhead in bytes for each frame in output container.
+ /// </summary>
+ internal const int ContainerOverheadPerFrame = 6;
+
+ /// <summary>
+ /// The callback for log messages from HandBrake.
+ /// </summary>
+ private static LoggingCallback loggingCallback;
+
+ /// <summary>
+ /// The callback for error messages from HandBrake.
+ /// </summary>
+ private static LoggingCallback errorCallback;
+
+ /// <summary>
+ /// True if the global initialize function has been called.
+ /// </summary>
+ private static bool globalInitialized;
+
+ /// <summary>
+ /// Fires when HandBrake has logged a message.
+ /// </summary>
+ public static event EventHandler<MessageLoggedEventArgs> MessageLogged;
+
+ /// <summary>
+ /// Fires when HandBrake has logged an error.
+ /// </summary>
+ public static event EventHandler<MessageLoggedEventArgs> ErrorLogged;
+
+ /// <summary>
+ /// Initializes static members of the HandBrakeUtils class.
+ /// </summary>
+ static HandBrakeUtils()
+ {
+ if (!globalInitialized)
+ {
+ if (HBFunctions.hb_global_init() == -1)
+ {
+ throw new InvalidOperationException("HB global init failed.");
+ }
+
+ globalInitialized = true;
+ }
+ }
+
+ /// <summary>
+ /// Gets the HandBrake version string.
+ /// </summary>
+ public static string Version
+ {
+ get
+ {
+ var versionPtr = HBFunctions.hb_get_version(IntPtr.Zero); // Pointer isn't actually used.
+ return Marshal.PtrToStringAnsi(versionPtr);
+ }
+ }
+
+ /// <summary>
+ /// Gets the HandBrake build number.
+ /// </summary>
+ public static int Build
+ {
+ get
+ {
+ return HBFunctions.hb_get_build(IntPtr.Zero);
+ }
+ }
+
+ /// <summary>
+ /// Ensures the HB global initialize method has been called.
+ /// </summary>
+ public static void EnsureGlobalInit()
+ {
+ // Does nothing, but invokes static ctor.
+ }
+
+ /// <summary>
+ /// Enables or disables LibDVDNav. If disabled libdvdread will be used instead.
+ /// </summary>
+ /// <param name="enableDvdNav">
+ /// True to enable LibDVDNav.
+ /// </param>
+ public static void SetDvdNav(bool enableDvdNav)
+ {
+ HBFunctions.hb_dvd_set_dvdnav(enableDvdNav ? 1 : 0);
+ }
+
+ /// <summary>
+ /// Call before app shutdown. Performs global cleanup.
+ /// </summary>
+ public static void DisposeGlobal()
+ {
+ HBFunctions.hb_global_close();
+ }
+
+ /// <summary>
+ /// Register the logger.
+ /// </summary>
+ public static void RegisterLogger()
+ {
+ // Register the logger if we have not already
+ if (loggingCallback == null)
+ {
+ // Keep the callback as a member to prevent it from being garbage collected.
+ loggingCallback = LoggingHandler;
+ errorCallback = ErrorHandler;
+ HBFunctions.hb_register_logger(loggingCallback);
+ HBFunctions.hb_register_error_handler(errorCallback);
+ }
+ }
+
+ /// <summary>
+ /// Handles log messages from HandBrake.
+ /// </summary>
+ /// <param name="message">
+ /// The log message (including newline).
+ /// </param>
+ public static void LoggingHandler(string message)
+ {
+ if (!string.IsNullOrEmpty(message))
+ {
+ string[] messageParts = message.Split(new[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
+
+ if (messageParts.Length > 0)
+ {
+ message = messageParts[0];
+ SendMessageEvent(message);
+ }
+ }
+ }
+
+ /// <summary>
+ /// Handles errors from HandBrake.
+ /// </summary>
+ /// <param name="message">
+ /// The error message.
+ /// </param>
+ public static void ErrorHandler(string message)
+ {
+ if (!string.IsNullOrEmpty(message))
+ {
+ // These errors happen in normal operations. Log them as messages.
+ if (message == "dvd: ifoOpen failed" || message.Contains("avformat_seek_file failed") || message.Contains("nav_get_title_list"))
+ {
+ SendMessageEvent(message);
+ return;
+ }
+
+ SendErrorEvent(message);
+ }
+ }
+
+ /// <summary>
+ /// Gets the standard x264 option name given the starting point.
+ /// </summary>
+ /// <param name="name">
+ /// The name.
+ /// </param>
+ /// <returns>
+ /// The standard x264 option name.
+ /// </returns>
+ public static string SanitizeX264OptName(string name)
+ {
+ IntPtr namePtr = Marshal.StringToHGlobalAnsi(name);
+ string sanitizedName = Marshal.PtrToStringAnsi(HBFunctions.hb_x264_encopt_name(namePtr));
+ Marshal.FreeHGlobal(namePtr);
+ return sanitizedName;
+ }
+
+ /// <summary>
+ /// Checks to see if the given H.264 level is valid given the inputs.
+ /// </summary>
+ /// <param name="level">
+ /// The level to check.
+ /// </param>
+ /// <param name="width">
+ /// The output picture width.
+ /// </param>
+ /// <param name="height">
+ /// The output picture height.
+ /// </param>
+ /// <param name="fpsNumerator">
+ /// The rate numerator.
+ /// </param>
+ /// <param name="fpsDenominator">
+ /// The rate denominator.
+ /// </param>
+ /// <param name="interlaced">
+ /// True if x264 interlaced output is enabled.
+ /// </param>
+ /// <param name="fakeInterlaced">
+ /// True if x264 fake interlacing is enabled.
+ /// </param>
+ /// <returns>
+ /// True if the level is valid.
+ /// </returns>
+ public static bool IsH264LevelValid(string level, int width, int height, int fpsNumerator, int fpsDenominator, bool interlaced, bool fakeInterlaced)
+ {
+ return HBFunctions.hb_check_h264_level(
+ level,
+ width,
+ height,
+ fpsNumerator,
+ fpsDenominator,
+ interlaced ? 1 : 0,
+ fakeInterlaced ? 1 : 0) == 0;
+ }
+
+ /// <summary>
+ /// Creates an X264 options string from the given settings.
+ /// </summary>
+ /// <param name="preset">
+ /// The x264 preset.
+ /// </param>
+ /// <param name="tunes">
+ /// The x264 tunes being used.
+ /// </param>
+ /// <param name="extraOptions">
+ /// The extra options string.
+ /// </param>
+ /// <param name="profile">
+ /// The H.264 profile.
+ /// </param>
+ /// <param name="level">
+ /// The H.264 level.
+ /// </param>
+ /// <param name="width">
+ /// The width of the final picture.
+ /// </param>
+ /// <param name="height">
+ /// The height of the final picture.
+ /// </param>
+ /// <returns>
+ /// The full x264 options string from the given inputs.
+ /// </returns>
+ public static string CreateX264OptionsString(
+ string preset,
+ IList<string> tunes,
+ string extraOptions,
+ string profile,
+ string level,
+ int width,
+ int height)
+ {
+ if (width <= 0)
+ {
+ throw new ArgumentException("width must be positive.");
+ }
+
+ if (height <= 0)
+ {
+ throw new ArgumentException("height must be positive.");
+ }
+
+ IntPtr ptr = HBFunctions.hb_x264_param_unparse(
+ preset,
+ string.Join(",", tunes),
+ extraOptions,
+ profile,
+ level,
+ width,
+ height);
+
+ string x264Settings = Marshal.PtrToStringAnsi(ptr);
+
+ return x264Settings;
+ }
+
+ /// <summary>
+ /// Sends the message logged event to any registered listeners.
+ /// </summary>
+ /// <param name="message">
+ /// The message to send.
+ /// </param>
+ private static void SendMessageEvent(string message)
+ {
+ if (MessageLogged != null)
+ {
+ MessageLogged(null, new MessageLoggedEventArgs { Message = message });
+ }
+
+ Debug.WriteLine(message);
+ }
+
+ /// <summary>
+ /// Sends the error logged event to any registered listeners.
+ /// </summary>
+ /// <param name="message">
+ /// The message to send
+ /// </param>
+ private static void SendErrorEvent(string message)
+ {
+ if (ErrorLogged != null)
+ {
+ ErrorLogged(null, new MessageLoggedEventArgs { Message = message });
+ }
+
+ Debug.WriteLine("ERROR: " + message);
+ }
+ }
+}
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