From b495b3d2ff1c38ba805be5b361719a50556f26f3 Mon Sep 17 00:00:00 2001 From: Sergey Petrov Date: Fri, 21 Feb 2025 17:47:50 +0500 Subject: [PATCH] added option of converting .pcm audio to .aac audio --- writer/cmd/main.go | 112 +++++++++++++++++++++++++++++++++------------ writer/go.mod | 6 +-- writer/go.sum | 64 ++++---------------------- 3 files changed, 92 insertions(+), 90 deletions(-) diff --git a/writer/cmd/main.go b/writer/cmd/main.go index 6801b4f..079c5e0 100644 --- a/writer/cmd/main.go +++ b/writer/cmd/main.go @@ -3,18 +3,19 @@ package main import ( "errors" "fmt" + "log" + "os" + "strings" + "sync" + "time" + "github.com/bluenviron/gortsplib/v4" "github.com/bluenviron/gortsplib/v4/pkg/base" "github.com/bluenviron/gortsplib/v4/pkg/description" "github.com/bluenviron/gortsplib/v4/pkg/format" "github.com/bluenviron/gortsplib/v4/pkg/format/rtph264" + "github.com/gen2brain/aac-go" "github.com/pion/rtp" - "log" - "os" - "os/exec" - "strings" - "sync" - "time" ) var ( @@ -192,7 +193,6 @@ func main() { fileMu.Lock() oldVideoFile := currentVideoFile oldAudioFile := currentAudioFile - oldVideoFilename := videoFilename oldAudioFilename := audioFilename currentVideoFile = newVideoFile @@ -206,29 +206,83 @@ func main() { oldVideoFile.Close() oldAudioFile.Close() - // Передаем значения переменных в замыкание, чтобы избежать их изменения - go func(vFilename, aFilename string, newTimestamp string) { - muxedFilename := strings.Replace(vFilename, ".h264", ".mp4", 1) - cmd := exec.Command("ffmpeg", - "-y", - "-fflags", "+genpts", - "-r", "25", - "-f", "h264", "-i", vFilename, - "-f", "s16le", "-ar", "8000", "-ac", "1", "-i", aFilename, - "-filter_complex", "[1:a]atempo=0.5[aud]", - "-map", "0:v", - "-map", "[aud]", - "-c:v", "copy", - "-bsf:v", "dump_extra", - "-c:a", "aac", - muxedFilename, - ) - if err := cmd.Run(); err != nil { - log.Printf("Ошибка при объединении фрагментов: %v", err) - } else { - log.Printf("Фрагменты объединены в файл %s", muxedFilename) + // Часть программы, вызывающая ffmpeg для объединения видеофайла .h264 аудиофайла .pcm в контейнер .mp4 - + // остается в программе до реализации аналогичного функционала без использования ffmpeg. + /* + // Передаем значения переменных в замыкание, чтобы избежать их изменения + go func(vFilename, aFilename string, newTimestamp string) { + muxedFilename := strings.Replace(vFilename, ".h264", ".mp4", 1) + cmd := exec.Command("ffmpeg", + "-y", + "-fflags", "+genpts", + "-r", "25", + "-f", "h264", "-i", vFilename, + "-f", "s16le", "-ar", "8000", "-ac", "1", "-i", aFilename, + "-filter_complex", "[1:a]atempo=0.5[aud]", + "-map", "0:v", + "-map", "[aud]", + "-c:v", "copy", + "-bsf:v", "dump_extra", + "-c:a", "aac", + muxedFilename, + ) + if err := cmd.Run(); err != nil { + log.Printf("Ошибка при объединении фрагментов: %v", err) + } else { + log.Printf("Фрагменты объединены в файл %s", muxedFilename) + } + }(oldVideoFilename, oldAudioFilename, newTimestamp) + */ + + // Создание AAC аудиофайла из PCM аудиофайла и удаление PCM аудиофайла после успешной конвертации. + go func(aFilename string) { + // Создание файла AAC + muxedFilename := strings.Replace(aFilename, ".pcm", ".aac", 1) + audioFileACC, err := os.Create(muxedFilename) + if err != nil { + log.Println("Ошибка создания файла AAC:", err) + return } - }(oldVideoFilename, oldAudioFilename, newTimestamp) + defer audioFileACC.Close() + + // Открытие PCM файла + audioFilename, err := os.Open(aFilename) + if err != nil { + log.Println("Ошибка открытия аудиофайла PCM:", err) + return + } + defer audioFilename.Close() + + // Создание инкодера AAC + opts := &aac.Options{ + SampleRate: 8000, + NumChannels: 1, + } + + encoderAAC, err := aac.NewEncoder(audioFileACC, opts) + if err != nil { + log.Println("Ошибка создания инкодера AAC:", err) + return + } + defer encoderAAC.Close() + + // Запись аудиофайла AAC + err = encoderAAC.Encode(audioFilename) + if err != nil { + log.Println("Ошибка инкодирования в AAC:", err) + return + } + + log.Println("Аудиофайл PCM конвертирован в аудиофайл ACC успешно") + + // Удаление PCM аудиофайла + err = os.Remove(aFilename) + if err != nil { + log.Println("Ошибка удаления PCM файла:", err) + } else { + log.Printf("PCM файл %s успешно удалён", aFilename) + } + }(oldAudioFilename) } }() var wg sync.WaitGroup diff --git a/writer/go.mod b/writer/go.mod index ca39afd..4d6d991 100644 --- a/writer/go.mod +++ b/writer/go.mod @@ -4,20 +4,16 @@ go 1.23.6 require ( github.com/bluenviron/gortsplib/v4 v4.12.3 + github.com/gen2brain/aac-go v0.0.0-20230119102159-ef1e76509d21 github.com/pion/rtp v1.8.11 - github.com/xfrr/goffmpeg v1.0.0 ) require ( - github.com/aws/aws-sdk-go v1.55.6 // indirect github.com/bluenviron/mediacommon v1.14.0 // indirect github.com/google/uuid v1.6.0 // indirect - github.com/jmespath/go-jmespath v0.4.0 // indirect github.com/pion/randutil v0.1.0 // indirect github.com/pion/rtcp v1.2.15 // indirect github.com/pion/sdp/v3 v3.0.10 // indirect - github.com/u2takey/ffmpeg-go v0.5.0 // indirect - github.com/u2takey/go-utils v0.3.1 // indirect golang.org/x/net v0.34.0 // indirect golang.org/x/sys v0.29.0 // indirect ) diff --git a/writer/go.sum b/writer/go.sum index 1706a2e..a34fbb0 100644 --- a/writer/go.sum +++ b/writer/go.sum @@ -1,33 +1,13 @@ -github.com/aws/aws-sdk-go v1.38.20/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro= -github.com/aws/aws-sdk-go v1.55.6 h1:cSg4pvZ3m8dgYcgqB97MrcdjUmZ1BeMYKUxMMB89IPk= -github.com/aws/aws-sdk-go v1.55.6/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU= github.com/bluenviron/gortsplib/v4 v4.12.3 h1:3EzbyGb5+MIOJQYiWytRegFEP4EW5paiyTrscQj63WE= github.com/bluenviron/gortsplib/v4 v4.12.3/go.mod h1:SkZPdaMNr+IvHt2PKRjUXxZN6FDutmSZn4eT0GmF0sk= github.com/bluenviron/mediacommon v1.14.0 h1:lWCwOBKNKgqmspRpwpvvg3CidYm+XOc2+z/Jw7LM5dQ= github.com/bluenviron/mediacommon v1.14.0/go.mod h1:z5LP9Tm1ZNfQV5Co54PyOzaIhGMusDfRKmh42nQSnyo= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4= -github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= -github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas= -github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o= -github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= -github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/gen2brain/aac-go v0.0.0-20230119102159-ef1e76509d21 h1:yfrARW/aVlqKORCdKrYdU0PZUKPqQvYEUQBKfVlNa9Q= +github.com/gen2brain/aac-go v0.0.0-20230119102159-ef1e76509d21/go.mod h1:HZqGD/LXHB1VCGUGNzuyxSsD12f3KjbJbvImAmoK/mM= github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4= -github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg= -github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo= -github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U= -github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= -github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00= -github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= -github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= -github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= -github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= -github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= -github.com/panjf2000/ants/v2 v2.4.2/go.mod h1:f6F0NZVFsGCp5A7QW/Zj/m92atWwOkY0OIhFxRNFr4A= github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA= github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8= github.com/pion/rtcp v1.2.15 h1:LZQi2JbdipLOj4eBjK4wlVoQWfrZbh3Q6eHtWtJBZBo= @@ -36,47 +16,19 @@ github.com/pion/rtp v1.8.11 h1:17xjnY5WO5hgO6SD3/NTIUPvSFw/PbLsIJyz1r1yNIk= github.com/pion/rtp v1.8.11/go.mod h1:8uMBJj32Pa1wwx8Fuv/AsFhn8jsgw+3rUC2PfoBZ8p4= github.com/pion/sdp/v3 v3.0.10 h1:6MChLE/1xYB+CjumMw+gZ9ufp2DPApuVSnDT8t5MIgA= github.com/pion/sdp/v3 v3.0.10/go.mod h1:88GMahN5xnScv1hIMTqLdu/cOcUkj6a9ytbncwMCq2E= -github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= -github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk= -github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= -github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= -github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA= github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= -github.com/u2takey/ffmpeg-go v0.5.0 h1:r7d86XuL7uLWJ5mzSeQ03uvjfIhiJYvsRAJFCW4uklU= -github.com/u2takey/ffmpeg-go v0.5.0/go.mod h1:ruZWkvC1FEiUNjmROowOAps3ZcWxEiOpFoHCvk97kGc= -github.com/u2takey/go-utils v0.3.1 h1:TaQTgmEZZeDHQFYfd+AdUT1cT4QJgJn/XVPELhHw4ys= -github.com/u2takey/go-utils v0.3.1/go.mod h1:6e+v5vEZ/6gu12w/DC2ixZdZtCrNokVxD0JUklcqdCs= -github.com/xfrr/goffmpeg v1.0.0 h1:trxuLNb9ys50YlV7gTVNAII9J0r00WWqCGTE46Gc3XU= -github.com/xfrr/goffmpeg v1.0.0/go.mod h1:zjLRiirHnip+/hVAT3lVE3QZ6SGynr0hcctUMNNISdQ= -gocv.io/x/gocv v0.25.0/go.mod h1:Rar2PS6DV+T4FL+PM535EImD/h13hGVaHhnCu1xarBs= -golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= -golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod 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v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU= golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= -golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= -golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= -golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= -golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= -golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod 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