Commit 30b12f8d authored by Jan Kiene's avatar Jan Kiene
Browse files

Merge branch '93-add-correct-24-bit-wav-file-handling-to-scripts-pyaudio3dtools' into 'main' 

Resolve "Add correct 24-Bit wav file handling to scripts/pyaudio3dtools"

See merge request !106
parents eac6a8b3 3f7bbf9a

scripts/pyaudio3dtools/audiofile.py

+19 −8
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ import platform 
import shutil

import struct

import subprocess as sp

import warnings

from importlib import import_module

from tempfile import TemporaryDirectory

from typing import Optional, Tuple
@@ -73,6 +74,18 @@ def readfile( 


    if file_extension == ".wav":

        fs, data = wav.read(filename)

        if data.dtype == np.int32:

            data = np.interp(

                data,

                (np.iinfo(np.int32).min, np.iinfo(np.int32).max),

                (np.iinfo(np.int16).min, np.iinfo(np.int16).max),

            )

        elif data.dtype == np.float32:

            data = np.interp(

                data,

                (-1, 1),

                (np.iinfo(np.int16).min, np.iinfo(np.int16).max),

            )

        x = np.array(data, dtype=outdtype)

        file_len = x.shape[0]

        if x.ndim == 1:
@@ -107,9 +120,11 @@ def writefile(filename: str, x: np.ndarray, fs: int = 48000) -> None: 
    """

    _, file_extension = os.path.splitext(os.path.basename(filename))



    clipped_samples = np.sum(np.logical_or(x < np.iinfo(np.int16).min, x > np.iinfo(np.int16).max))

    clipped_samples = np.sum(

        np.logical_or(x < np.iinfo(np.int16).min, x > np.iinfo(np.int16).max)

    )

    if clipped_samples > 0:

        print("  Warning: %i samples clipped"%clipped_samples)

        warnings.warn(f"  Warning: {clipped_samples} samples clipped")

        x = np.clip(x, np.iinfo(np.int16).min, np.iinfo(np.int16).max)



    if file_extension == ".wav":
@@ -489,7 +504,6 @@ def loudnessinfo( 
    in_sig: np.ndarray,

    in_fs: Optional[int] = 48000,

    in_format: Optional[str] = "MONO",

    in_ls_layout_file: Optional[str] = None,

    output_loudness: Optional[int] = -26,

    loudness_tool: Optional[str] = "bs1770demo",

    use_rms: Optional[bool] = False,
@@ -524,13 +538,10 @@ def loudnessinfo( 
    else:

        null_file = "/dev/null"



    # check for binary

    if shutil.which(loudness_tool) is None:

        raise FileNotFoundError(f"The binary {loudness_tool} was not found in path!")



    in_spfmt = spatialaudioformat.Format(

        in_format=in_format, ls_layout_file=in_ls_layout_file

    )

    in_spfmt = spatialaudioformat.Format(in_format=in_format)



    if not (in_spfmt.isheadphones or in_spfmt.isloudspeaker or in_spfmt.ambi_order > 1):

        raise NotImplementedError(
@@ -543,7 +554,7 @@ def loudnessinfo( 
        )



    with TemporaryDirectory() as tmp_dir:

        tmp_file = os.path.join(tmp_dir, "tmp.pcm")

        tmp_file = os.path.join(tmp_dir, "tmp_loudness.pcm")



        if "bs1770demo" in loudness_tool:

            """