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Add tools for audio conversion and cleanup some binaries
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,9 @@ | ||
| audio/pcm/*.wav | ||
| audio/pcm/*.pcm | ||
| build/* | ||
| gfx/nemesis/*.smd | ||
| gfx/segard/*.smd | ||
| rom/* | ||
| smps/* | ||
| z80/*.bin | ||
| z80/pcm_driver/*.bin | ||
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| module tools | ||
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| go 1.22.4 | ||
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| require ( | ||
| github.com/go-audio/audio v1.0.0 | ||
| github.com/go-audio/wav v1.1.0 | ||
| ) | ||
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| require github.com/go-audio/riff v1.0.0 // indirect |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| github.com/go-audio/audio v1.0.0 h1:zS9vebldgbQqktK4H0lUqWrG8P0NxCJVqcj7ZpNnwd4= | ||
| github.com/go-audio/audio v1.0.0/go.mod h1:6uAu0+H2lHkwdGsAY+j2wHPNPpPoeg5AaEFh9FlA+Zs= | ||
| github.com/go-audio/riff v1.0.0 h1:d8iCGbDvox9BfLagY94fBynxSPHO80LmZCaOsmKxokA= | ||
| github.com/go-audio/riff v1.0.0/go.mod h1:l3cQwc85y79NQFCRB7TiPoNiaijp6q8Z0Uv38rVG498= | ||
| github.com/go-audio/wav v1.1.0 h1:jQgLtbqBzY7G+BM8fXF7AHUk1uHUviWS4X39d5rsL2g= | ||
| github.com/go-audio/wav v1.1.0/go.mod h1:mpe9qfwbScEbkd8uybLuIpTgHyrISw/OTuvjUW2iGtE= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| 00000000 0EC0 0EA0 0E80 0E60 0E40+ pal_9F6C: dc.w $EC0, $EA0, $E80, $E60, $E40, $E20, $E00, $C00, $A00 | ||
| 00000012 ; DATA XREF: draw_segalogo+DC o | ||
| 00000012 0800 0600 0800 0A00 0C00+ dc.w $800, $600, $800, $A00, $C00, $E00, $E20, $E40, $E60 | ||
| 00000024 0E80 0EA0 dc.w $E80, $EA0 |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,66 @@ | ||
| package main | ||
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| import ( | ||
| "encoding/binary" | ||
| "fmt" | ||
| "io" | ||
| "log" | ||
| "os" | ||
| "strconv" | ||
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| "github.com/go-audio/audio" | ||
| "github.com/go-audio/wav" | ||
| ) | ||
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| func main() { | ||
| pcm_src := os.Args[1] | ||
| wav_dest := os.Args[2] | ||
| freq, _ := strconv.ParseInt(os.Args[3], 10, 0) | ||
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| in, err := os.Open(pcm_src) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| out, err := os.Create(wav_dest) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer out.Close() | ||
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| fmt.Print(int(freq)) | ||
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| e := wav.NewEncoder(out, int(freq), 8, 1, 1) | ||
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| audioBuf, err := newAudioIntBuffer(in, int(freq)) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| if err := e.Write(audioBuf); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| if err := e.Close(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } | ||
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| func newAudioIntBuffer(r io.Reader, freq int) (*audio.IntBuffer, error) { | ||
| buf := audio.IntBuffer{ | ||
| Format: &audio.Format{ | ||
| NumChannels: 1, | ||
| SampleRate: int(freq), | ||
| }, | ||
| } | ||
| for { | ||
| var sample int8 | ||
| err := binary.Read(r, binary.LittleEndian, &sample) | ||
| switch { | ||
| case err == io.EOF: | ||
| return &buf, nil | ||
| case err != nil: | ||
| return nil, err | ||
| } | ||
| buf.Data = append(buf.Data, int(sample)) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package main | ||
|
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| import ( | ||
| "bufio" | ||
| "log" | ||
| "os" | ||
| "strconv" | ||
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| "github.com/go-audio/audio" | ||
| "github.com/go-audio/wav" | ||
| ) | ||
|
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| func main() { | ||
| wav_src := os.Args[1] | ||
| pcm_dest := os.Args[2] | ||
| freq, _ := strconv.ParseInt(os.Args[3], 10, 0) | ||
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| in, err := os.Open(wav_src) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| out, err := os.Create(pcm_dest) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer out.Close() | ||
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| e := wav.NewDecoder(in) | ||
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| bfo := bufio.NewWriter(out) | ||
| buf := &audio.IntBuffer{ | ||
| Format: &audio.Format{ | ||
| NumChannels: 1, | ||
| SampleRate: int(freq), | ||
| }, | ||
| Data: make([]int, 2048), | ||
| SourceBitDepth: 8, | ||
| } | ||
| chunk := make([]byte, 2048) | ||
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| err = e.FwdToPCM() | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| n, err := e.PCMBuffer(buf) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| for n > 0 { | ||
| k := 0 | ||
| p := 0 | ||
| for i := 0; i < n; i++ { | ||
| chunk[k] = byte(buf.Data[p]) | ||
| k++ | ||
| p++ | ||
| } | ||
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| _, err = bfo.Write(chunk[0:k]) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| n, err = e.PCMBuffer(buf) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } | ||
| bfo.Flush() | ||
|
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| } |
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