Question

我想在pydub中处理gtts音频，但是我不确定如何将gtts文件转换为pydub音频。

我知道我可以将Google文本转换为语音音频并转换为mp3，并且知道可以使用pydub导入mp3，但是此过程效率不高。是否可以跳过创建mp3文件并将其读回的方法？

我在AudioSegment.from_mp3()中尝试使用gtts文件之类的参数作为参数，但是我很确定它正在寻找字符串。

from gtts import gTTS
from io import BytesIO
from pydub import AudioSegment

mp3_fp = BytesIO()
tts = gTTS('hello', 'en')
tts.write_to_fp(mp3_fp)
song = AudioSegment.from_mp3(mp3_fp)

我收到一个“ CouldntDecodeError”：

  File "C:\ProgramData\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py", line 102, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "C:/Users/py/ex/gtts_test.py", line 18, in <module>
    song = AudioSegment.from_mp3(mp3_fp)

  File "C:\ProgramData\Anaconda3\lib\site-packages\pydub\audio_segment.py", line 716, in from_mp3
    return cls.from_file(file, 'mp3', parameters=parameters)

  File "C:\ProgramData\Anaconda3\lib\site-packages\pydub\audio_segment.py", line 704, in from_file
    p.returncode, p_err))

CouldntDecodeError: Decoding failed. ffmpeg returned error code: 1

Output from ffmpeg/avlib:

b'ffmpeg version 4.1.1 Copyright (c) 2000-2019 the FFmpeg developers\r\n  built with gcc 8.2.1 (GCC) 20190212\r\n  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth\r\n  libavutil      56. 22.100 / 56. 22.100\r\n  libavcodec     58. 35.100 / 58. 35.100\r\n  libavformat    58. 20.100 / 58. 20.100\r\n  libavdevice    58.  5.100 / 58.  5.100\r\n  libavfilter     7. 40.101 /  7. 40.101\r\n  libswscale      5.  3.100 /  5.  3.100\r\n  libswresample   3.  3.100 /  3.  3.100\r\n  libpostproc    55.  3.100 / 55.  3.100\r\n[mp3 @ 000001da0c1292c0] Failed to read frame size: Could not seek to 1026.\r\npipe:: Invalid argument\r\n'

Answer 1

您必须将BytesIO对象查找为0！

from gtts import gTTS
from io import BytesIO
from pydub import AudioSegment

mp3_fp = BytesIO()
tts = gTTS('hello', 'en')
tts.write_to_fp(mp3_fp)
mp3_fp.seek(0)
song = AudioSegment.from_mp3(mp3_fp)

如何有效地将gtts音频转换为pydub音频段？

1 个答案: