ctx->raw_sample_buf = g_try_malloc(ctx->limit_samples * 4);
if (!ctx->raw_sample_buf) {
sr_err("ols: %s: ctx->raw_sample_buf malloc failed",
ctx->raw_sample_buf = g_try_malloc(ctx->limit_samples * 4);
if (!ctx->raw_sample_buf) {
sr_err("ols: %s: ctx->raw_sample_buf malloc failed",