[ { "path": ".gitignore", "content": ".idea/" }, { "path": "LICENSE", "content": "The MIT License (MIT)\nCopyright (c) 2020 Harish Bhawnani\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE." }, { "path": "Makefile", "content": "download:\n\tgo mod download\ncompose:\n\tdocker-compose -f docker-compose.yml up -d\ninstall:\n\tgo install\nsetup: compose install" }, { "path": "README.md", "content": "# go-audio\n---\nA solution to convert PDFs into audiobooks (offline).\nThis solution kit consists of an Opentts engine hosted on docker and a CLI client that parses the given PDF file for text content & connects with Opentts to generate audio files.\n\n## Installation & setup :-\n---\n* Go,Docker & Make should be pre-installed.\n* Clone the repository.\n* Run the command `make download`.\n* Run the command `make setup`.\n* CLI & Opentts engine setup is now ready to use.\n* Run the command `go-audio --help` to explore various operations.\n\n## Generate the audio files :-\n---\n* Run the command `go-audio aud --input=PATH_TO_PDF --output=PATH_TO_OUTPUT --voice=male|female`.\n* Default value for given flags ::\n * input=./sample_pdf/test.pdf\n * output=homeDir/audio-go/output\n * voice=female\n\n\n" }, { "path": "cmd/fetch_audio.go", "content": "package cmd\n\nimport (\n\t\"fmt\"\n\t\"path/filepath\"\n\t\"sync\"\n\t\"unicode/utf8\"\n\n\t\"github.com/Harry-027/go-audio/utils\"\n\t\"github.com/mitchellh/go-homedir\"\n\t\"github.com/spf13/cobra\"\n)\n\n// split text content into chunks ...\nfunc SplitStr(longString string, maxLen int) []string {\n\tvar splits []string\n\tvar l, r int\n\tfor l, r = 0, maxLen; r < len(longString); l, r = r, r+maxLen {\n\t\tfor !utf8.RuneStart(longString[r]) {\n\t\t\tr--\n\t\t}\n\t\tsplits = append(splits, longString[l:r])\n\t}\n\tsplits = append(splits, longString[l:])\n\treturn splits\n}\n\n// Generate audio output for given text content ...\nfunc genOutput(inPath, outPath, voiceType string) {\n\tfmt.Println(\"Processing ...\")\n\tvar wg sync.WaitGroup\n\tcontent, err := utils.ReadPdf(inPath)\n\tfmt.Println(\"Content from Pdf ::\", content)\n\tutils.FatalErr(err)\n\tconst maxLen = 10000\n\tsplits := SplitStr(content, maxLen)\n\tfor i, v := range splits {\n\t\twg.Add(1)\n\t\tgo utils.GenAudio(v, voiceType, outPath, i, &wg)\n\t}\n\twg.Wait()\n}\n\n// Cobra audio command ...\nvar genCmd = &cobra.Command{\n\tUse: \"aud\",\n\tShort: \"Command to convert pdf into audio file. Bigger files would be processed into chunks.\",\n\tRun: func(cmd *cobra.Command, args []string) {\n\t\tinPath, err := cmd.Flags().GetString(utils.FLAG_INPUT)\n\t\tutils.LogErr(err)\n\t\toutPath, err := cmd.Flags().GetString(utils.FLAG_OUTPUT)\n\t\tutils.LogErr(err)\n\t\tvoiceType, err := cmd.Flags().GetString(utils.FLAG_VOICE)\n\t\tutils.LogErr(err)\n\t\tgenOutput(inPath, outPath, voiceType)\n\t\tfmt.Println(\"Completed!! Output files available at ::\", outPath)\n\t},\n}\n\n// Cobra add generate command ...\nfunc init() {\n\thome, err := homedir.Dir() // Fetch the current user home dir.\n\tutils.PanicErr(err) // Panic in case user dir not available\n\tdefaultOutputDir := filepath.Join(home, utils.DEFAULT_OUTPUT_PATH)\n\tgenCmd.Flags().String(utils.FLAG_INPUT, utils.DEFAULT_PDF_PATH, utils.FLAG_INPUT_DESC)\n\tgenCmd.Flags().String(utils.FLAG_OUTPUT, defaultOutputDir, utils.FLAG_OUTPUT_DESC)\n\tgenCmd.Flags().String(utils.FLAG_VOICE, utils.FEMALE_VOICE, utils.FLAG_VOICE_DESC)\n\tRootCmd.AddCommand(genCmd)\n}\n" }, { "path": "cmd/root.go", "content": "package cmd\n\nimport (\n\t\"github.com/spf13/cobra\"\n)\n\n// Cobra root command ...\nvar RootCmd = &cobra.Command{\n\tUse: \"go-audio\",\n\tShort: \"go-audio is a go CLI client that connects with opentts to convert pdf content into audiofile.\",\n}\n" }, { "path": "docker-compose.yml", "content": "version: '2.0'\nservices:\n opentts:\n image: synesthesiam/opentts\n ports:\n - \"5500:5500\"" }, { "path": "go.mod", "content": "module github.com/Harry-027/go-audio\n\ngo 1.13\n\nrequire (\n\tgithub.com/ledongthuc/pdf v0.0.0-20200323191019-23c5852adbd2\n\tgithub.com/mitchellh/go-homedir v1.1.0\n\tgithub.com/spf13/cobra v1.0.0\n)\n" }, { "path": "go.sum", "content": "cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=\ngithub.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=\ngithub.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=\ngithub.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=\ngithub.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=\ngithub.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=\ngithub.com/beorn7/perks 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h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=\ngolang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=\ngolang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=\ngolang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=\ngolang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=\ngolang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=\ngolang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=\ngolang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=\ngolang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=\ngolang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=\ngolang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=\ngolang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=\ngolang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=\ngolang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=\ngoogle.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=\ngoogle.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=\ngoogle.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=\ngoogle.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=\ngopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=\ngopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=\ngopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=\ngopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=\ngopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=\ngopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=\ngopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=\nhonnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=\n" }, { "path": "main.go", "content": "package main\n\nimport (\n\t\"fmt\"\n\t\"github.com/Harry-027/go-audio/cmd\"\n)\n\nfunc main() {\n\terr := cmd.RootCmd.Execute()\n\tif err != nil {\n\t\tfmt.Println(\"An error occurred :: \", err)\n\t\tpanic(err)\n\t}\n}\n" }, { "path": "utils/constants.go", "content": "package utils\n\n// App constants ...\nconst (\n\tFLAG_INPUT = \"input\"\n\tFLAG_INPUT_DESC = \"Provide path to pdf file\"\n\tFLAG_OUTPUT = \"output\"\n\tFLAG_OUTPUT_DESC = \"Provide path to output directory\"\n\tDEFAULT_PDF_PATH = \"./sample_pdf/test.pdf\"\n\tDEFAULT_OUTPUT_PATH = \"audio-go/output\"\n\tOUTPUT_FILE1 = \"outputAudio.wav\"\n\tOUTPUT_FILE2 = \"lol.wav\"\n\tVOICE_KEY = \"voice\"\n\tTEXT_KEY = \"text\"\n\tDEFAULT_VOICE = \"nanotts:en-GB\"\n\tMALE_SET_VOICE = \"espeak:en\"\n\tDEFAULT_SERVER_URL = \"http://localhost:5500/api/tts?\"\n\tFLAG_VOICE = \"voice\"\n\tFLAG_VOICE_DESC = \"The voice type - male or female ? (for converted audio file)\"\n\tMALE_VOICE = \"male\"\n\tFEMALE_VOICE = \"female\"\n)\n" }, { "path": "utils/err-utils.go", "content": "package utils\n\nimport \"log\"\n\n// Error check utils ...\n\nfunc PanicErr(err error) {\n\tif err != nil {\n\t\tlog.Println(\"Panic ::\")\n\t\tpanic(err)\n\t}\n}\n\nfunc FatalErr(err error) {\n\tif err != nil {\n\t\tlog.Println(\"Fatal ::\")\n\t\tlog.Fatal(err)\n\t}\n}\n\nfunc LogErr(err error) {\n\tif err != nil {\n\t\tlog.Println(\"An error occurred :: \", err)\n\t}\n}\n" }, { "path": "utils/util-methods.go", "content": "package utils\n\nimport (\n\t\"bytes\"\n\t\"fmt\"\n\t\"github.com/ledongthuc/pdf\"\n\t\"io\"\n\t\"net/http\"\n\t\"net/url\"\n\t\"os\"\n\t\"path/filepath\"\n\t\"strconv\"\n\t\"sync\"\n)\n\n// Read the given pdf file ...\nfunc ReadPdf(filePath string) (string, error) {\n\tvar content bytes.Buffer\n\tf, r, err := pdf.Open(filePath)\n\tdefer func() {\n\t\t_ = f.Close()\n\t}()\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\n\ttotalPage := r.NumPage()\n\tfor pageIndex := 1; pageIndex <= totalPage; pageIndex++ {\n\t\tp := r.Page(pageIndex)\n\t\tif p.V.IsNull() {\n\t\t\tcontinue\n\t\t}\n\n\t\trows, _ := p.GetTextByRow()\n\t\tfor _, row := range rows {\n\t\t\tfor _, word := range row.Content {\n\t\t\t\tcontent.WriteString(word.S)\n\t\t\t}\n\t\t}\n\t}\n\treturn content.String(), nil\n}\n\n// get the voice type ...\nfunc getVoice(voiceType string) string {\n\tif voiceType == MALE_VOICE {\n\t\treturn MALE_SET_VOICE\n\t}\n\treturn DEFAULT_VOICE\n}\n\n// Generate the audio for given content ...\nfunc GenAudio(content, voiceType, outPath string, i int, wg *sync.WaitGroup) {\n\tfmt.Println(\"File in Process :: \", i)\n\terr := os.MkdirAll(outPath, 0755) // make directory if not exists\n\tFatalErr(err)\n\n\tvoice := getVoice(voiceType)\n\n\tparams := url.Values{}\n\tparams.Add(VOICE_KEY, voice)\n\tparams.Add(TEXT_KEY, content)\n\tquery := params.Encode()\n\n\turlStr := fmt.Sprintf(\"%s%s\", DEFAULT_SERVER_URL, query)\n\tresp, err := http.Get(urlStr)\n\tFatalErr(err)\n\tvar op string\n\top = fmt.Sprintf(\"%s.wav\",strconv.Itoa(i))\n\tfilePath := filepath.Join(outPath, op) // Set the filepath\n\tout, err := os.Create(filePath) // Create the file\n\tFatalErr(err)\n\n\tif resp.StatusCode == 200 {\n\t\t_, err = io.Copy(out, resp.Body) // Write the body to file\n\t\tfmt.Println(\"Processed successfully file :: \", i)\n\t} else {\n\t\tfmt.Println(\"Processing failed for content file :: \", i)\n\t}\n\tdefer func() {\n\t\tresp.Body.Close()\n\t\tout.Close()\n\t\twg.Done()\n\t}()\n}\n" } ]