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Fix crash when creating tensor from empty buffer in whisper #454

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Merged
jonatanklosko merged 2 commits into from
Apr 22, 2026
Merged

Fix crash when creating tensor from empty buffer in whisper #454

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0f1aa3d
Add whisper branch when chunk buffer is empty
kidq330 Apr 21, 2026
e17919b
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jonatanklosko Apr 22, 2026
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7 changes: 5 additions & 2 deletions lib/bumblebee/audio/speech_to_text_whisper.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -318,8 +318,11 @@ defmodule Bumblebee.Audio.SpeechToTextWhisper do
buffer = buffer ++ [chunk]
full_chunks([], {buffer, buffer_size}, chunk_length, step)
end,
fn {buffer, buffer_size} ->
{[Nx.concatenate(buffer)], {buffer, buffer_size}}
fn
{[], buffer_size} ->
{[], {[], buffer_size}}
{buffer, buffer_size} ->
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{[Nx.concatenate(buffer)], {buffer, buffer_size}}
end,
fn _ -> :ok end
)
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