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[audio] Fix mono channel MP3 playback (#17106)

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This commit is contained in:
Kevin Ahrendt
2026-06-21 16:19:13 -04:00
committed by GitHub
parent 921758f87d
commit 036768c399
1 changed files with 2 additions and 8 deletions
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10
esphome/components/audio/audio_decoder.cpp
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@@ -326,14 +326,8 @@ FileDecoderState AudioDecoder::decode_mp3_() {
} else if (result == micro_mp3::MP3_NEED_MORE_DATA) {
return FileDecoderState::MORE_TO_PROCESS;
} else if (result == micro_mp3::MP3_OUTPUT_BUFFER_TOO_SMALL) {
// Reallocate to decode the frame on the next call
if (this->mp3_decoder_->get_channels() > 0) {
this->free_buffer_required_ =
this->mp3_decoder_->get_samples_per_frame() * this->mp3_decoder_->get_channels() * sizeof(int16_t);
} else {
// Fallback to worst-case size if channel info isn't available
this->free_buffer_required_ = this->mp3_decoder_->get_min_output_buffer_bytes();
}
// Fallback to worst-case size
this->free_buffer_required_ = this->mp3_decoder_->get_min_output_buffer_bytes();
if (!this->output_transfer_buffer_->reallocate(this->free_buffer_required_)) {
return FileDecoderState::FAILED;
}