Example #1
0
        /// <summary>
        ///     Append silence audio to the list.
        /// </summary>
        /// <param name="length">Length of the silence audio in milliseconds.</param>
        /// <returns>The modified list.</returns>
        public List <AudioTaskItem> Append(long length)
        {
            var item = new AudioTaskItem(length);

            NumberStack++;

            // Generate silence audio with ffmpeg
            var ffmpeg = new Ffmpeg("./ffmpeg/ffmpeg.exe");
            // var taskBeep = ffmpeg.StartFfmpeg(FFMPEG_ARGS_SILENCE
            //     .Replace("$SECS$", (length * 1000).ToString()
            //         .Replace("$FILE_TEMP$", $"{TempDir}\\{NumberStack}.m4a")), 1000);
            var taskBeep = ffmpeg.StartFfmpeg(string.Format(FFMPEG_ARGS_SILENCE,
                                                            length / 1000,
                                                            $"{TempDir}\\{NumberStack}.mp3"), 1500);

            if (!taskBeep.Result)
            {
                return(null);
            }

            item.AssignNumber(NumberStack, $"{TempDir}/{NumberStack}.mp3");
            Items.Add(item);
            totalDuration += item.Duration;

            IsSaved = false;

            return(Items);
        }
Example #2
0
        /// <summary>
        ///     Export the list to a mp3 file.
        /// </summary>
        /// <param name="output">The Output object for modifying frmExport.</param>
        /// <param name="destination">The full path of the audio file.</param>
        /// <returns>Returns true if process is successful, false instead.</returns>
        public bool ExportFile(Output output, string destination)
        {
            output.AddLine("開始匯出");
            output.SetTotalSteps(Items.Count + 2);

            // Creates temp dir
            output.AddLine("正在建立暫存檔案...");
            var dirNum    = 0;
            var outputDir = "";

            while (Directory.Exists($"{TempDir}/output{dirNum}"))
            {
                dirNum++;
            }
            outputDir = $"{TempDir}/output{dirNum}".Replace("\\", "/");
            Directory.CreateDirectory(outputDir);
            output.AddLine($"暫存資料夾位置:{outputDir}");

            // Creates ffmpeg
            var ffmpeg = new Ffmpeg("./ffmpeg/ffmpeg.exe");

            // Trim
            output.AddLine("準備裁剪音訊");
            foreach (var taskItem in Items)
            {
                output.AddLine($"開始剪接第{taskItem.Number}段音訊,名稱:{taskItem.Name}");
                output.MoveOneStep();
                var taskTrim = ffmpeg.StartFfmpeg(string.Format(FFMPEG_ARGS_TRIM,
                                                                taskItem.FilePathInTemp,
                                                                taskItem.MsIn,
                                                                taskItem.MsOut,
                                                                $"{outputDir}/{Items.IndexOf(taskItem) + 1}.mp3"));
                // Check status
                if (taskTrim.Result)
                {
                    // Success
                    output.AddLine("成功");
                }
                else
                {
                    // Fail
                    output.AddLine("出現未知錯誤,已停止作業");
                    return(false); // Terminates work
                }
            }

            // Generate join_list.txt
            output.AddLine("正在產生合併清單");
            var listLines = new List <string>();
            var index     = 1;

            while (File.Exists($"{outputDir.Replace("/","\\")}\\{index}.mp3"))
            {
                listLines.Add($"file {outputDir.Replace("/","\\\\")}\\\\{index}.mp3");
                output.AddLine(listLines[index - 1]);
                index++;
            }
            File.WriteAllLines($"{outputDir}/join_list.txt", listLines);

            // Join audios
            output.AddLine("開始合併");
            output.MoveOneStep();
            var taskCombine = ffmpeg.StartFfmpeg(string.Format(FFMPEG_ARGS_JOIN,
                                                               $"{outputDir.Replace("/","\\")}\\join_list.txt",
                                                               $"{outputDir.Replace("/","\\")}\\Output.mp3"));

            // Check for failure
            if (taskCombine.Result)
            {
                // Success
                output.AddLine("成功合併");
            }
            else
            {
                output.AddLine("出現未知錯誤,已停止作業");
                return(false);
            }

            // Copies the file
            File.Copy($"{outputDir}/Output.mp3", destination);
            output.AddLine("正在儲存檔案");
            output.MoveOneStep();

            return(true);
        }