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[i2s_audio] Bugfix: Buffer overflow in software volume control (#13190)

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Kevin Ahrendt
2026-01-13 19:42:36 +00:00
committed by GitHub
parent 4d96c60696
commit 733f57da50
1 changed files with 1 additions and 1 deletions
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esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp
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@@ -340,8 +340,8 @@ void I2SAudioSpeaker::speaker_task(void *params) {
const uint32_t read_delay =
(this_speaker->current_stream_info_.frames_to_microseconds(frames_written) / 1000) / 2;
uint8_t *new_data = transfer_buffer->get_buffer_end(); // track start of any newly copied bytes
size_t bytes_read = transfer_buffer->transfer_data_from_source(pdMS_TO_TICKS(read_delay));
uint8_t *new_data = transfer_buffer->get_buffer_end() - bytes_read;
if (bytes_read > 0) {
if (this_speaker->q15_volume_factor_ < INT16_MAX) {