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-rw-r--r--apps/playback.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/apps/playback.c b/apps/playback.c
index c4f590c34f..ff681bb85c 100644
--- a/apps/playback.c
+++ b/apps/playback.c
@@ -3447,7 +3447,14 @@ static void audio_reset_buffer(size_t pcmbufsize)
#ifdef IRAM_STEAL
/* Allocate voice IRAM swap buffer once */
if (iram_buf[CODEC_IDX_VOICE] == NULL)
+ {
iram_buf[CODEC_IDX_VOICE] = buffer_alloc(CODEC_IRAM_SIZE);
+ /* buffer_alloc moves audiobuf; this is safe because only the end
+ * has been touched so far in this function and the address of
+ * filebuf + filebuflen is not changed */
+ filebuf += CODEC_IRAM_SIZE;
+ filebuflen -= CODEC_IRAM_SIZE;
+ }
dram_buf[CODEC_IDX_VOICE] = dram_buf[CODEC_IDX_AUDIO] + CODEC_SIZE;
#else
iram_buf[CODEC_IDX_VOICE] = dram_buf[CODEC_IDX_AUDIO] + CODEC_SIZE;