rehanuddin commited on
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6bd965d
1 Parent(s): dd50778

Delete Unconfirmed 725058.crdownload

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  1. Unconfirmed 725058.crdownload +0 -66
Unconfirmed 725058.crdownload DELETED
@@ -1,66 +0,0 @@
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- import subprocess
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-
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- import numpy as np
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-
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-
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- def ffmpeg_stream(youtube_url, sampling_rate=16_000, chunk_duration_ms=5000, pad_duration_ms=200):
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- """
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- Helper function to read an audio file through ffmpeg.
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- """
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- chunk_len = int(sampling_rate * chunk_duration_ms / 1000)
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- pad_len = int(sampling_rate * pad_duration_ms / 1000)
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- read_chunk_len = chunk_len + pad_len * 2
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-
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- ar = f"{sampling_rate}"
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- ac = "1"
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- format_for_conversion = "f32le"
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- dtype = np.float32
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- size_of_sample = 4
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-
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- ffmpeg_command = [
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- "ffmpeg",
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- "-i",
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- "pipe:",
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- "-ac",
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- ac,
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- "-ar",
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- ar,
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- "-f",
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- format_for_conversion,
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- "-hide_banner",
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- "-loglevel",
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- "quiet",
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- "pipe:1",
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- ]
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-
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- ytdl_command = ["yt-dlp", "-f", "bestaudio", youtube_url, "--quiet", "-o", "-"]
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-
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- try:
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- ffmpeg_process = subprocess.Popen(ffmpeg_command, stdin=subprocess.PIPE, stdout=subprocess.PIPE, bufsize=-1)
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- ytdl_process = subprocess.Popen(ytdl_command, stdout=ffmpeg_process.stdin)
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- except FileNotFoundError:
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- raise ValueError("ffmpeg was not found but is required to stream audio files from filename")
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-
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- acc = b""
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- leftover = np.zeros((0,), dtype=np.float32)
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- while ytdl_process.poll() is None:
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- buflen = read_chunk_len * size_of_sample
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-
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- raw = ffmpeg_process.stdout.read(buflen)
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- if raw == b"":
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- break
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-
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- if len(acc) + len(raw) > buflen:
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- acc = raw
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- else:
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- acc += raw
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-
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- audio = np.frombuffer(acc, dtype=dtype)
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- audio = np.concatenate([leftover, audio])
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- if len(audio) < pad_len * 2:
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- # TODO: handle end of stream better than this
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- break
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- yield audio
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-
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- leftover = audio[-pad_len * 2 :]
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- read_chunk_len = chunk_len