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462 lines
15 KiB
462 lines
15 KiB
/*
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* Copyright (c) 2018-2021 Taner Sener
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*
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* This file is part of FFmpegKit.
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*
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* FFmpegKit is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* FFmpegKit is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with FFmpegKit. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FFMPEG_KIT_CONFIG_H
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#define FFMPEG_KIT_CONFIG_H
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#import <stdio.h>
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#import <pthread.h>
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#import <unistd.h>
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#import <Foundation/Foundation.h>
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#import "FFmpegSession.h"
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#import "FFprobeSession.h"
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#import "LogCallback.h"
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#import "MediaInformationSession.h"
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#import "StatisticsCallback.h"
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/** Global library version */
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extern NSString* const FFmpegKitVersion;
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typedef NS_ENUM(NSUInteger, Signal) {
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SignalInt = 2,
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SignalQuit = 3,
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SignalPipe = 13,
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SignalTerm = 15,
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SignalXcpu = 24
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};
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/**
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* <p>Configuration class of <code>FFmpegKit</code> library. Allows customizing the global library
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* options. Provides helper methods to support additional resources.
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*/
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@interface FFmpegKitConfig : NSObject
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/**
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* <p>Enables log and statistics redirection.
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*
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* <p>When redirection is enabled FFmpeg/FFprobe logs are redirected to NSLog and sessions
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* collect log and statistics entries for the executions. It is possible to define global or
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* session specific log/statistics callbacks as well.
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*
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* <p>Note that redirection is enabled by default. If you do not want to use its functionality
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* please use disableRedirection method to disable it.
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*/
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+ (void)enableRedirection;
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/**
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* <p>Disables log and statistics redirection.
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*
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* <p>When redirection is disabled logs are printed to stderr, all logs and statistics
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* callbacks are disabled and <code>FFprobe</code>'s <code>getMediaInformation</code> methods
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* do not work.
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*/
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+ (void)disableRedirection;
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/**
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* <p>Sets and overrides <code>fontconfig</code> configuration directory.
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*
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* @param path directory that contains fontconfig configuration (fonts.conf)
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* @return zero on success, non-zero on error
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*/
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+ (int)setFontconfigConfigurationPath:(NSString*)path;
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/**
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* <p>Registers the fonts inside the given path, so they become available to use in FFmpeg
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* filters.
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*
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* <p>Note that you need to build <code>FFmpegKit</code> with <code>fontconfig</code>
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* enabled or use a prebuilt package with <code>fontconfig</code> inside to be able to use
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* fonts in <code>FFmpeg</code>.
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*
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* @param fontDirectoryPath directory that contains fonts (.ttf and .otf files)
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* @param fontNameMapping custom font name mappings, useful to access your fonts with more
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* friendly names
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*/
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+ (void)setFontDirectory:(NSString*)fontDirectoryPath with:(NSDictionary*)fontNameMapping;
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/**
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* <p>Registers the fonts inside the given array of font directories, so they become available
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* to use in FFmpeg filters.
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*
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* <p>Note that you need to build <code>FFmpegKit</code> with <code>fontconfig</code>
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* enabled or use a prebuilt package with <code>fontconfig</code> inside to be able to use
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* fonts in <code>FFmpeg</code>.
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*
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* @param fontDirectoryList array of directories that contain fonts (.ttf and .otf files)
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* @param fontNameMapping custom font name mappings, useful to access your fonts with more
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* friendly names
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*/
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+ (void)setFontDirectoryList:(NSArray*)fontDirectoryList with:(NSDictionary*)fontNameMapping;
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/**
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* <p>Creates a new named pipe to use in <code>FFmpeg</code> operations.
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*
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* <p>Please note that creator is responsible of closing created pipes.
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*
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* @return the full path of the named pipe
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*/
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+ (NSString*)registerNewFFmpegPipe;
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/**
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* <p>Closes a previously created <code>FFmpeg</code> pipe.
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*
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* @param ffmpegPipePath full path of the FFmpeg pipe
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*/
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+ (void)closeFFmpegPipe:(NSString*)ffmpegPipePath;
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/**
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* <p>Returns the version of FFmpeg bundled within <code>FFmpegKit</code> library.
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*
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* @return the version of FFmpeg
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*/
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+ (NSString*)getFFmpegVersion;
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/**
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* Returns FFmpegKit library version.
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*
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* @return FFmpegKit version
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*/
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+ (NSString*)getVersion;
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/**
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* <p>Returns whether FFmpegKit release is a Long Term Release or not.
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*
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* @return true/yes or false/no
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*/
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+ (int)isLTSBuild;
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/**
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* Returns FFmpegKit library build date.
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*
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* @return FFmpegKit library build date
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*/
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+ (NSString*)getBuildDate;
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/**
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* <p>Sets an environment variable.
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*
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* @param variableName environment variable name
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* @param variableValue environment variable value
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* @return zero on success, non-zero on error
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*/
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+ (int)setEnvironmentVariable:(NSString*)variableName value:(NSString*)variableValue;
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/**
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* <p>Registers a new ignored signal. Ignored signals are not handled by <code>FFmpegKit</code>
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* library.
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*
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* @param signal signal to be ignored
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*/
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+ (void)ignoreSignal:(Signal)signal;
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/**
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* <p>Synchronously executes the FFmpeg session provided.
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*
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* @param ffmpegSession FFmpeg session which includes command options/arguments
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*/
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+ (void)ffmpegExecute:(FFmpegSession*)ffmpegSession;
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/**
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* <p>Synchronously executes the FFprobe session provided.
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*
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* @param ffprobeSession FFprobe session which includes command options/arguments
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*/
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+ (void)ffprobeExecute:(FFprobeSession*)ffprobeSession;
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/**
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* <p>Synchronously executes the media information session provided.
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*
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* @param mediaInformationSession media information session which includes command options/arguments
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* @param waitTimeout max time to wait until media information is transmitted
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*/
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+ (void)getMediaInformationExecute:(MediaInformationSession*)mediaInformationSession withTimeout:(int)waitTimeout;
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/**
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* <p>Starts an asynchronous FFmpeg execution for the given session.
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*
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* <p>Note that this method returns immediately and does not wait the execution to complete.
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* You must use an FFmpegSessionCompleteCallback if you want to be notified about the result.
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*
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* @param ffmpegSession FFmpeg session which includes command options/arguments
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*/
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+ (void)asyncFFmpegExecute:(FFmpegSession*)ffmpegSession;
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/**
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* <p>Starts an asynchronous FFmpeg execution for the given session.
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*
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* <p>Note that this method returns immediately and does not wait the execution to complete.
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* You must use an FFmpegSessionCompleteCallback if you want to be notified about the result.
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*
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* @param ffmpegSession FFmpeg session which includes command options/arguments
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* @param queue dispatch queue that will be used to run this asynchronous operation
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*/
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+ (void)asyncFFmpegExecute:(FFmpegSession*)ffmpegSession onDispatchQueue:(dispatch_queue_t)queue;
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/**
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* <p>Starts an asynchronous FFprobe execution for the given session.
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*
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* <p>Note that this method returns immediately and does not wait the execution to complete.
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* You must use an FFprobeSessionCompleteCallback if you want to be notified about the result.
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*
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* @param ffprobeSession FFprobe session which includes command options/arguments
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*/
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+ (void)asyncFFprobeExecute:(FFprobeSession*)ffprobeSession;
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/**
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* <p>Starts an asynchronous FFprobe execution for the given session.
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*
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* <p>Note that this method returns immediately and does not wait the execution to complete.
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* You must use an FFprobeSessionCompleteCallback if you want to be notified about the result.
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*
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* @param ffprobeSession FFprobe session which includes command options/arguments
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* @param queue dispatch queue that will be used to run this asynchronous operation
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*/
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+ (void)asyncFFprobeExecute:(FFprobeSession*)ffprobeSession onDispatchQueue:(dispatch_queue_t)queue;
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/**
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* <p>Starts an asynchronous FFprobe execution for the given media information session.
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*
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* <p>Note that this method returns immediately and does not wait the execution to complete.
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* You must use an MediaInformationSessionCompleteCallback if you want to be notified about the result.
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*
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* @param mediaInformationSession media information session which includes command options/arguments
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* @param waitTimeout max time to wait until media information is transmitted
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*/
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+ (void)asyncGetMediaInformationExecute:(MediaInformationSession*)mediaInformationSession withTimeout:(int)waitTimeout;
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/**
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* <p>Starts an asynchronous FFprobe execution for the given media information session.
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*
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* <p>Note that this method returns immediately and does not wait the execution to complete.
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* You must use an MediaInformationSessionCompleteCallback if you want to be notified about the result.
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*
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* @param mediaInformationSession media information session which includes command options/arguments
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* @param queue dispatch queue that will be used to run this asynchronous operation
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* @param waitTimeout max time to wait until media information is transmitted
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*/
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+ (void)asyncGetMediaInformationExecute:(MediaInformationSession*)mediaInformationSession onDispatchQueue:(dispatch_queue_t)queue withTimeout:(int)waitTimeout;
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/**
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* <p>Sets a global log callback to redirect FFmpeg/FFprobe logs.
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*
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* @param logCallback log callback or nil to disable a previously defined log callback
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*/
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+ (void)enableLogCallback:(LogCallback)logCallback;
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/**
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* <p>Sets a global statistics callback to redirect FFmpeg statistics.
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*
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* @param statisticsCallback statistics callback or nil to disable a previously defined statistics callback
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*/
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+ (void)enableStatisticsCallback:(StatisticsCallback)statisticsCallback;
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/**
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* <p>Sets a global FFmpegSessionCompleteCallback to receive execution results for FFmpeg sessions.
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*
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* @param ffmpegSessionCompleteCallback complete callback or nil to disable a previously defined callback
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*/
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+ (void)enableFFmpegSessionCompleteCallback:(FFmpegSessionCompleteCallback)ffmpegSessionCompleteCallback;
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/**
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* <p>Returns the global FFmpegSessionCompleteCallback set.
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*
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* @return global FFmpegSessionCompleteCallback or nil if it is not set
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*/
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+ (FFmpegSessionCompleteCallback)getFFmpegSessionCompleteCallback;
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/**
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* <p>Sets a global FFprobeSessionCompleteCallback to receive execution results for FFprobe sessions.
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*
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* @param ffprobeSessionCompleteCallback complete callback or nil to disable a previously defined callback
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*/
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+ (void)enableFFprobeSessionCompleteCallback:(FFprobeSessionCompleteCallback)ffprobeSessionCompleteCallback;
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/**
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* <p>Returns the global FFprobeSessionCompleteCallback set.
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*
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* @return global FFprobeSessionCompleteCallback or nil if it is not set
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*/
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+ (FFprobeSessionCompleteCallback)getFFprobeSessionCompleteCallback;
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/**
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* <p>Sets a global MediaInformationSessionCompleteCallback to receive execution results for MediaInformation sessions.
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*
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* @param mediaInformationSessionCompleteCallback complete callback or nil to disable a previously defined
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* callback
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*/
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+ (void)enableMediaInformationSessionCompleteCallback:(MediaInformationSessionCompleteCallback)mediaInformationSessionCompleteCallback;
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/**
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* <p>Returns the global MediaInformationSessionCompleteCallback set.
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*
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* @return global MediaInformationSessionCompleteCallback or nil if it is not set
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*/
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+ (MediaInformationSessionCompleteCallback)getMediaInformationSessionCompleteCallback;
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/**
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* Returns the current log level.
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*
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* @return current log level
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*/
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+ (int)getLogLevel;
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/**
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* Sets the log level.
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*
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* @param level new log level
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*/
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+ (void)setLogLevel:(int)level;
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/**
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* Converts int log level to string.
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*
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* @param level value
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* @return string value
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*/
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+ (NSString*)logLevelToString:(int)level;
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/**
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* Returns the session history size.
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*
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* @return session history size
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*/
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+ (int)getSessionHistorySize;
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/**
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* Sets the session history size.
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*
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* @param sessionHistorySize session history size, should be smaller than 1000
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*/
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+ (void)setSessionHistorySize:(int)sessionHistorySize;
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/**
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* Returns the session specified with <code>sessionId</code> from the session history.
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*
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* @param sessionId session identifier
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* @return session specified with sessionId or nil if it is not found in the history
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*/
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+ (id<Session>)getSession:(long)sessionId;
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/**
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* Returns the last session created from the session history.
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*
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* @return the last session created or nil if session history is empty
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*/
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+ (id<Session>)getLastSession;
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/**
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* Returns the last session completed from the session history.
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*
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* @return the last session completed. If there are no completed sessions in the history this
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* method will return nil
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*/
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+ (id<Session>)getLastCompletedSession;
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/**
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* <p>Returns all sessions in the session history.
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*
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* @return all sessions in the session history
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*/
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+ (NSArray*)getSessions;
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/**
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* <p>Clears all, including ongoing, sessions in the session history.
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* <p>Note that callbacks cannot be triggered for deleted sessions.
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*/
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+ (void)clearSessions;
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/**
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* <p>Returns all FFmpeg sessions in the session history.
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*
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* @return all FFmpeg sessions in the session history
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*/
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+ (NSArray*)getFFmpegSessions;
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/**
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* <p>Returns all FFprobe sessions in the session history.
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*
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* @return all FFprobe sessions in the session history
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*/
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+ (NSArray*)getFFprobeSessions;
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/**
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* <p>Returns all MediaInformation sessions in the session history.
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*
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* @return all MediaInformation sessions in the session history
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*/
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+ (NSArray*)getMediaInformationSessions;
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/**
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* <p>Returns sessions that have the given state.
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*
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* @return sessions that have the given state from the session history
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*/
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+ (NSArray*)getSessionsByState:(SessionState)state;
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/**
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* Returns the active log redirection strategy.
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*
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* @return log redirection strategy
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*/
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+ (LogRedirectionStrategy)getLogRedirectionStrategy;
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/**
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* <p>Sets the log redirection strategy
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*
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* @param logRedirectionStrategy log redirection strategy
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*/
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+ (void)setLogRedirectionStrategy:(LogRedirectionStrategy)logRedirectionStrategy;
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/**
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* <p>Returns the number of async messages that are not transmitted to the callbacks for
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* this session.
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*
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* @param sessionId id of the session
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* @return number of async messages that are not transmitted to the callbacks for this session
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*/
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+ (int)messagesInTransmit:(long)sessionId;
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/**
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* Converts session state to string.
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*
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* @param state session state
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* @return string value
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*/
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+ (NSString*)sessionStateToString:(SessionState)state;
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/**
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* <p>Parses the given command into arguments. Uses space character to split the arguments.
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* Supports single and double quote characters.
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*
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* @param command string command
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* @return array of arguments
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*/
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+ (NSArray*)parseArguments:(NSString*)command;
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/**
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* <p>Concatenates arguments into a string adding a space character between two arguments.
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*
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* @param arguments arguments
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* @return concatenated string containing all arguments
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*/
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+ (NSString*)argumentsToString:(NSArray*)arguments;
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@end
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#endif // FFMPEG_KIT_CONFIG_H
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