mkb218 / gosndfile Goto Github PK

Go bindings for libsndfile

License: GNU Lesser General Public License v2.1

Go 97.91% C 1.54% Objective-C 0.55%

gosndfile's Introduction

gosndfile is a binding for libsndfile. It is distributed under the same terms (your choice of LGPL 2.1 or 3). If you install libsndfile outside of your system include and lib paths, make sure to set the environment variable PKG_CONFIG_PATH accordingly. This package should be go get-able: e.g. go get github.com/mkb218/gosndfile/sndfile

If building with libsndfile earlier than 1.0.26, you will need to define the legacy build tag: go get -tags legacy.

gosndfile's People

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krig astiusa solignac maxpwil but80 hoffie ytian button-chen

gosndfile's Issues

'go get' fails to install, gcc says C '#import' is deprecated

When I try to go get this package, I get:

raw.go:3:2: error: #import is a deprecated GCC extension [-Werror=deprecated]
cc1: all warnings being treated as errors

Same if I clone it locally and try to go build in the sndfile directory.

If I change "#import" to "#include", go build then appears to build successfully.

I am running gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5).

Some kind of segfault / mysterious problem.

I was just trying get started with the library iterating over a file and printing the values. Got very a very odd error message. I have distilled it down to this:

package main

import (
    "fmt"
    "sndfile"
)

const bufferSize = 1024

func main() {
    // The location of a test file shipped with sndfile
    inp  := "/Users/joe/personal/go/src/sndfile/test/funky.aiff"

    var info sndfile.Info
    soundFile, err := sndfile.Open(inp, sndfile.Read, &info)

    if err != nil {
        return
    }

    defer soundFile.Close()


    numRead := int64(-1)

    realBufferSize := bufferSize * info.Channels

    buffer := make([]float32, realBufferSize)

    for numRead != 0 {
        numRead, err = soundFile.ReadItems(buffer)

        fmt.Println("LOOP")
    }
}

When I run this:

$ go run /tmp/breaking.go 
LOOP
unexpected fault address 0x3f000000
throw: fault
[signal 0xb code=0x1 addr=0x3f000000 pc=0x8e47]

goroutine 1 [running]:
fmt.(*fmt).padString(0xf84005a048, 0x9ea8c, 0x4, 0x9ea8c)
    /usr/local/go/src/pkg/fmt/format.go:138 +0x106
fmt.(*fmt).fmt_s(0xf84005a048, 0x9ea8c, 0x4, 0x61288)
    /usr/local/go/src/pkg/fmt/format.go:285 +0x60
fmt.(*pp).fmtString(0xf84005a000, 0x9ea8c, 0xf800000004, 0x76, 0x4, ...)
    /usr/local/go/src/pkg/fmt/print.go:533 +0xf1
fmt.(*pp).printField(0xf84005a000, 0x61288, 0xf840030270, 0x76, 0x0, ...)
    /usr/local/go/src/pkg/fmt/print.go:776 +0xa9d
fmt.(*pp).doPrint(0xf84005a000, 0x2577f70, 0x100000001, 0x101, 0x106fa0, ...)
    /usr/local/go/src/pkg/fmt/print.go:1110 +0x1f5
fmt.Fprintln(0xf84002fbd0, 0xf84003d008, 0x2577f70, 0x100000001, 0xf84003d008, ...)
    /usr/local/go/src/pkg/fmt/print.go:279 +0x6c
fmt.Println(0x2577f70, 0x100000001, 0x504f4f4c00000004, 0x0, 0x0, ...)
    /usr/local/go/src/pkg/fmt/print.go:289 +0x7b
main.main()
    /tmp/breaking.go:32 +0x209

goroutine 2 [syscall]:
created by runtime.main
    /private/tmp/bindist454984655/go/src/pkg/runtime/proc.c:221
exit status 2

There is some kind of problem when fmt.Println is called in the second run of the loop. Mac OS 10.6.8, go1.0.2, libsndfile latest from macports.

I am completely puzzled by this. I can't form a connection between using unsafe C functions and the fmt library. I've had a look at the gosndfile code and can't see anything obviously wrong. The line in question, /usr/local/go/src/pkg/fmt/format.go:138, is this:

f.buf.WriteString(s)

Perhaps there's a per-go-routine allocated buffer that's being overwritten? Perhaps the const text "LOOP" is being scribbled over? I can only guess.

If you remove the fmt.Println the sample runs fine.

python scikits.audiolab Sndfile special chars in file name

Hi ,

Could you help me out on this , or guide me to some how can thanks

I am trying to get a wav file information but Sndfile is unable to read file with special characters in path and file name(查找問題daw.wav) and i am unable to get information in any way , i tried passing file path to Sndfile with diferent encoding to but didnt work , but if i pass this 'C:\Users\Furqan\Desktop\test\DAW\1.wav' it works fine , Thanks is advance

My Code is
# -- coding: UTF-8 --
from scikits.audiolab import Sndfile
from os import walk, path, stat

track1 =  r'C:\Users\Furqan\Desktop\test\查找問題daw\查找問題d.wav'
#track2 = r'C:\Users\Furqan\Desktop\test\DAW\1.wav'

try:
    track_one_file_obj = Sndfile(track1, 'r')
except:
    print('Simple didnt work')
    pass

try:
    track_one_file_obj = Sndfile(track1.decode('cp1252'), 'r')
except:
    print('cp1252 didnt work')
    pass

try:
    track_one_file_obj = Sndfile(track1.encode('utf-8'), 'r')
    print(track_one_file_obj)
except:
    print('encode didnt work')
    pass


try:
    track_one_file_obj = Sndfile(track1.encode('utf8'), 'r')
    print(track_one_file_obj)
except:
    print('encode didnt work')
    pass

try:
    track_one_file_obj = Sndfile(track1.decode('utf-8'), 'r')
    print(track_one_file_obj)
except:
    print('decode didnt work')
    pass

Channel Maps support

libsndfile looks like it has some support for specifying channel maps. Doesn't appear to be documented well.

Support dithering commands

I just found these in sndfile.h. What do they do?

SFC_SET_DITHER_ON_WRITE         = 0x10A0,
SFC_SET_DITHER_ON_READ          = 0x10A1,

SFC_GET_DITHER_INFO_COUNT       = 0x10A2,
SFC_GET_DITHER_INFO             = 0x10A3,

Support Go v1

AIFF loop bug

libsndfile doesn't honor the loop type when using SetInstrument() on an AIFF file.

Fix sErrorType

Errors from libsndfile don't always end up giving as much detail as possible about the error, especially when the call into the library returns 2.

could not determine kind of name for C.uint32_t

I successfully compiled under Windows and MSYS2, but under Ubuntu I get this error: "could not determine kind of name for C.uint32_t".

For both I used Go 1.8.

Go env is:

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/ignazio/Programming/Go-Workspace"
GORACE=""
GOROOT="/home/ignazio/bin/go"
GOTOOLDIR="/home/ignazio/bin/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build419818202=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
PKG_CONFIG="pkg-config"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"

Weekly 2011-10-06 changes math.Fabs to math.Abs

gofix!

How can I open a loaded in memory sound file?

Hi,

I'm using libsndfile with OpenAL-Soft.
It required me to create the buffer.

How can I process an audio file that I loaded into memory with ioutil.ReadFile('path')?

go 1.2 breaks gosndfile

See: https://code.google.com/p/go/issues/detail?id=5253

Reasonable test completeness

All operations for which I can create data should be covered by automated tests. This excludes SetLoopInfo, GetEmbeddedFileInfo, and SetVbrQuality. SetRawStartOffset appears to not do anything, so the test is written but inactive.