Repository: Harry-027/go-audio Branch: master Commit: f892d8278b10 Files: 13 Total size: 20.0 KB Directory structure: gitextract_ioeeyvzm/ ├── .gitignore ├── LICENSE ├── Makefile ├── README.md ├── cmd/ │ ├── fetch_audio.go │ └── root.go ├── docker-compose.yml ├── go.mod ├── go.sum ├── main.go └── utils/ ├── constants.go ├── err-utils.go └── util-methods.go ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitignore ================================================ .idea/ ================================================ FILE: LICENSE ================================================ The MIT License (MIT) Copyright (c) 2020 Harish Bhawnani Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ================================================ FILE: Makefile ================================================ download: go mod download compose: docker-compose -f docker-compose.yml up -d install: go install setup: compose install ================================================ FILE: README.md ================================================ # go-audio --- A solution to convert PDFs into audiobooks (offline). This 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. ## Installation & setup :- --- * Go,Docker & Make should be pre-installed. * Clone the repository. * Run the command `make download`. * Run the command `make setup`. * CLI & Opentts engine setup is now ready to use. * Run the command `go-audio --help` to explore various operations. ## Generate the audio files :- --- * Run the command `go-audio aud --input=PATH_TO_PDF --output=PATH_TO_OUTPUT --voice=male|female`. * Default value for given flags :: * input=./sample_pdf/test.pdf * output=homeDir/audio-go/output * voice=female ================================================ FILE: cmd/fetch_audio.go ================================================ package cmd import ( "fmt" "path/filepath" "sync" "unicode/utf8" "github.com/Harry-027/go-audio/utils" "github.com/mitchellh/go-homedir" "github.com/spf13/cobra" ) // split text content into chunks ... func SplitStr(longString string, maxLen int) []string { var splits []string var l, r int for l, r = 0, maxLen; r < len(longString); l, r = r, r+maxLen { for !utf8.RuneStart(longString[r]) { r-- } splits = append(splits, longString[l:r]) } splits = append(splits, longString[l:]) return splits } // Generate audio output for given text content ... func genOutput(inPath, outPath, voiceType string) { fmt.Println("Processing ...") var wg sync.WaitGroup content, err := utils.ReadPdf(inPath) fmt.Println("Content from Pdf ::", content) utils.FatalErr(err) const maxLen = 10000 splits := SplitStr(content, maxLen) for i, v := range splits { wg.Add(1) go utils.GenAudio(v, voiceType, outPath, i, &wg) } wg.Wait() } // Cobra audio command ... var genCmd = &cobra.Command{ Use: "aud", Short: "Command to convert pdf into audio file. Bigger files would be processed into chunks.", Run: func(cmd *cobra.Command, args []string) { inPath, err := cmd.Flags().GetString(utils.FLAG_INPUT) utils.LogErr(err) outPath, err := cmd.Flags().GetString(utils.FLAG_OUTPUT) utils.LogErr(err) voiceType, err := cmd.Flags().GetString(utils.FLAG_VOICE) utils.LogErr(err) genOutput(inPath, outPath, voiceType) fmt.Println("Completed!! Output files available at ::", outPath) }, } // Cobra add generate command ... func init() { home, err := homedir.Dir() // Fetch the current user home dir. utils.PanicErr(err) // Panic in case user dir not available defaultOutputDir := filepath.Join(home, utils.DEFAULT_OUTPUT_PATH) genCmd.Flags().String(utils.FLAG_INPUT, utils.DEFAULT_PDF_PATH, utils.FLAG_INPUT_DESC) genCmd.Flags().String(utils.FLAG_OUTPUT, defaultOutputDir, utils.FLAG_OUTPUT_DESC) genCmd.Flags().String(utils.FLAG_VOICE, utils.FEMALE_VOICE, utils.FLAG_VOICE_DESC) RootCmd.AddCommand(genCmd) } ================================================ FILE: cmd/root.go ================================================ package cmd import ( "github.com/spf13/cobra" ) // Cobra root command ... var RootCmd = &cobra.Command{ Use: "go-audio", Short: "go-audio is a go CLI client that connects with opentts to convert pdf content into audiofile.", } ================================================ FILE: docker-compose.yml ================================================ version: '2.0' services: opentts: image: synesthesiam/opentts ports: - "5500:5500" ================================================ FILE: go.mod ================================================ module github.com/Harry-027/go-audio go 1.13 require ( github.com/ledongthuc/pdf v0.0.0-20200323191019-23c5852adbd2 github.com/mitchellh/go-homedir v1.1.0 github.com/spf13/cobra v1.0.0 ) ================================================ FILE: go.sum ================================================ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod 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golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= ================================================ FILE: main.go ================================================ package main import ( "fmt" "github.com/Harry-027/go-audio/cmd" ) func main() { err := cmd.RootCmd.Execute() if err != nil { fmt.Println("An error occurred :: ", err) panic(err) } } ================================================ FILE: utils/constants.go ================================================ package utils // App constants ... const ( FLAG_INPUT = "input" FLAG_INPUT_DESC = "Provide path to pdf file" FLAG_OUTPUT = "output" FLAG_OUTPUT_DESC = "Provide path to output directory" DEFAULT_PDF_PATH = "./sample_pdf/test.pdf" DEFAULT_OUTPUT_PATH = "audio-go/output" OUTPUT_FILE1 = "outputAudio.wav" OUTPUT_FILE2 = "lol.wav" VOICE_KEY = "voice" TEXT_KEY = "text" DEFAULT_VOICE = "nanotts:en-GB" MALE_SET_VOICE = "espeak:en" DEFAULT_SERVER_URL = "http://localhost:5500/api/tts?" FLAG_VOICE = "voice" FLAG_VOICE_DESC = "The voice type - male or female ? (for converted audio file)" MALE_VOICE = "male" FEMALE_VOICE = "female" ) ================================================ FILE: utils/err-utils.go ================================================ package utils import "log" // Error check utils ... func PanicErr(err error) { if err != nil { log.Println("Panic ::") panic(err) } } func FatalErr(err error) { if err != nil { log.Println("Fatal ::") log.Fatal(err) } } func LogErr(err error) { if err != nil { log.Println("An error occurred :: ", err) } } ================================================ FILE: utils/util-methods.go ================================================ package utils import ( "bytes" "fmt" "github.com/ledongthuc/pdf" "io" "net/http" "net/url" "os" "path/filepath" "strconv" "sync" ) // Read the given pdf file ... func ReadPdf(filePath string) (string, error) { var content bytes.Buffer f, r, err := pdf.Open(filePath) defer func() { _ = f.Close() }() if err != nil { return "", err } totalPage := r.NumPage() for pageIndex := 1; pageIndex <= totalPage; pageIndex++ { p := r.Page(pageIndex) if p.V.IsNull() { continue } rows, _ := p.GetTextByRow() for _, row := range rows { for _, word := range row.Content { content.WriteString(word.S) } } } return content.String(), nil } // get the voice type ... func getVoice(voiceType string) string { if voiceType == MALE_VOICE { return MALE_SET_VOICE } return DEFAULT_VOICE } // Generate the audio for given content ... func GenAudio(content, voiceType, outPath string, i int, wg *sync.WaitGroup) { fmt.Println("File in Process :: ", i) err := os.MkdirAll(outPath, 0755) // make directory if not exists FatalErr(err) voice := getVoice(voiceType) params := url.Values{} params.Add(VOICE_KEY, voice) params.Add(TEXT_KEY, content) query := params.Encode() urlStr := fmt.Sprintf("%s%s", DEFAULT_SERVER_URL, query) resp, err := http.Get(urlStr) FatalErr(err) var op string op = fmt.Sprintf("%s.wav",strconv.Itoa(i)) filePath := filepath.Join(outPath, op) // Set the filepath out, err := os.Create(filePath) // Create the file FatalErr(err) if resp.StatusCode == 200 { _, err = io.Copy(out, resp.Body) // Write the body to file fmt.Println("Processed successfully file :: ", i) } else { fmt.Println("Processing failed for content file :: ", i) } defer func() { resp.Body.Close() out.Close() wg.Done() }() }